46. a cook uses
a cleaning towel to wipe up spills on the counter. when the cook is not using the towel, where should it be stored?
on the counter
in sanitizer solution
in the cook's apron pocket
in the back pocket of the cook's work pants
question/answer review
previou
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Related Questions
Can you recognize the eight stages of meiosis based on the location and behavior of the chromo?
Answers
The eight stages of meiosis involve the location and behavior of chromosomes, including their condensation, pairing, alignment, separation, and formation of haploid daughter cells.
1. Interphase: The chromosomes replicate during this phase, resulting in the formation of sister chromatids held together by a centromere. The chromosomes are located within the nucleus.
2. Prophase I: Chromosomes condense and pair up with their homologous partner to form bivalents. This process is called synapsis. Crossing over occurs, where genetic material is exchanged between non-sister chromatids. The chromosomes become visible under a microscope, and the nuclear envelope begins to break down.
3. Metaphase I: Bivalents line up along the metaphase plate, a central plane in the cell. Spindle fibers from opposite poles of the cell attach to each chromosome at the centromere.
4. Anaphase I: Homologous chromosomes separate and move to opposite poles of the cell. Sister chromatids remain attached at their centromeres.
5. Telophase I: Chromosomes reach the opposite poles of the cell. A nuclear envelope may begin to reform around each set of chromosomes. Cytokinesis, the division of the cytoplasm, may occur, resulting in the formation of two haploid daughter cells.
6. Prophase II: If nuclear envelopes formed during telophase I, they break down again. The chromosomes, consisting of sister chromatids, become visible and start moving toward the center of the cell.
7. Metaphase II: Chromosomes line up along the metaphase plate, similar to metaphase I. Spindle fibers attach to the centromeres of the sister chromatids.
8. Anaphase II: Sister chromatids separate at the centromeres and move to opposite poles of the cell.
9. Telophase II: Chromosomes reach the opposite poles of the cell, and nuclear envelopes begin to form around each set of chromosomes. Cytokinesis occurs, resulting in the formation of four haploid daughter cells.
It's important to note that the behavior and location of chromosomes can vary slightly between different organisms and cell types, but this general overview describes the main events and stages of meiosis.
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n the Watson-Crick model of DNA, the two strands of the double helix are united by hydrogen bonds between
a.
nitrogenous bases
b.
phosphate groups
c.
nitrogen atoms
d.
sugar molecules
Answers
Consider the shapes of the cells in the top half of the tissue shown in the picture.
Which geometric solid is the best model for a cell in the bottom two layers of cells?
Answers
Answer:
I need to see the picture to answer the question... Could you post a pic of it, please?
You are a paleoanthropologist excavating at a rock shelter in France dating to about 31,000 years ago. You discover a skull that has the features of an anatomically modern human, including a high vaulted forehead and small brow ridges. The skull would best be identified as
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The skull discovered at the rock shelter in France, dating to about 31,000 years ago, and exhibiting features of a high vaulted forehead and small brow ridges, would best be identified as an anatomically modern human.
The features of a high vaulted forehead and small brow ridges are characteristic traits of anatomically modern humans. Anatomically modern humans, also known as Homo sapiens, emerged in Africa around 300,000 years ago and eventually spread across the globe, including into Europe. They possess a more rounded cranium with a larger brain capacity compared to earlier human species. The high vaulted forehead reflects the expanded frontal lobes of the brain, which are associated with complex cognitive functions.
The reduction in brow ridges is another notable feature of anatomically modern humans. Compared to earlier hominin species, such as Neanderthals, anatomically modern humans exhibit reduced brow ridges, creating a smoother and more vertical forehead. This change is thought to be related to alterations in the underlying skull structure and reflects the evolution of the human skull over time.
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Organic phosphate is taken up by producers during photosynthesis and released by cellular respiration.
True or false ?
Answers
Answer:
true
Explanation:
pa brainliest po please
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One or more atoms make up a(n) ____________ and are exemplified by groups of macromolecules known as carbohydrates, proteins, lipids, and nucleic acids.
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One or more atoms make up a molecule and are exemplified by groups of macromolecules known as carbohydrates, proteins, lipids, and nucleic acids.
A molecule is formed by the combination or two or more than two atoms. The atoms can be of same type or they may be different. The atoms join together by bonds called covalent bonds that are formed by the sharing of electrons between them. The example of molecule is O₂, CO₂, etc.
Proteins are the polymers of amino acids. These are the most essential component of food required for body-building and repair. The protein can serve various roles like: structural, catalytic, transporters, etc.
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ucia was comparing animal and plant cells under a microscope. She thought that she was looking at plant cells. Lucia asked her science teacher to take a look and see if she was correct. Lucia’s teacher looked at the cells and told her that she was correct. What did both Lucia and her teacher see under the microscope?A.a large nucleus in each cellB.a large vacuole in each cellC.cells that had irregular shapesD.a membrane surrounding each cell
Answers
Answer: B.
Explanation:
A large vacuole in each cell because vacuole is only present in plant cells and not animal cells.
which set of factors would result in the most concentrated urine?
Answers
The set of factors that would result in the most concentrated urine is a high level of ADH and hyperosmolarity towards inner medullary interstitium.
Concentrated urine is defined as having more solutes and less water. Among the dissolved substances are solutes, which include proteins, carbohydrates, and salts. The laboratory will measure the urine's concentration. Depending on the laboratory utilized, normal values may change.
The following are the causes of concentrated urine formation:
High levels of ADH make distal tubules and collecting ducts more permeable to water, enabling these tubular segments to reabsorb water.Hypersomolarity in the inner medullary interstitium, which creates the osmotic gradient required for the absorption of water.To know more about the concentrated urine, refer:
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why it is very difficult to treat or curve viral disease with antibiotics
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It is impossible to treat or cure viral diseases with antibiotics because they are medical drugs specifically designed to treat bacterial infections, which are different biological entities.
What are antibiotics medical drugs?The term antibiotics medical drugs makes reference to all medication developed during the drug development process and aimed at preventing or curing bacterial infections, while viral infections are treated with antivirals.
Therefore, with this data, we can see that antibiotics are medical drugs used to treat bacterial infections, while antivirals are developed in order to prevent or cure viral infections.
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Describe the structure and function of mirna, snrna, and lncrna, which represent the three major types of noncoding rnas. What are four mechanisms by which lncrna molecules are thought to regulate cellular processes?.
Answers
Structure and function of miRNA:
A microRNA (abbreviated miRNA) is a small single-stranded non-coding RNA molecule, containing about 22 nucleotides found in plants, animals and some viruses, that functions in RNA silencing and post-transcriptional regulation of gene expression. miRNAs function via base-pairing with complementary sequences within mRNA molecules. As a result, these mRNA molecules are silenced, by one or more of the following processes: cleavage of the mRNA strand into two pieces, destabilization of the mRNA through shortening of its poly(A) tail, and less efficient translation of the mRNA into proteins by ribosomes.Structure and function of snRNA:
Small nuclear RNA (snRNA) is a class of small RNA molecules that are found within the splicing speckles and Cajal bodies of the cell nucleus in eukaryotic cells. The length of an average snRNA is approximately 150 nucleotides. They are transcribed by either RNA polymerase II or RNA polymerase III.Their primary function is in the processing of pre-messenger RNA (hnRNA) in the nucleus. They have also been shown to aid in the regulation of transcription factors (7SK RNA) or RNA polymerase II (B2 RNA), and maintaining the telomeres. snRNA are always associated with a set of specific proteins, and the complexes are referred to as small nuclear ribonucleoproteins, snRNP, often pronounced "snurps". Each snRNP particle is composed of a snRNA component and several snRNP-specific proteins.Structure and function of lncRNA?
Long non-coding RNAs (long ncRNAs, lncRNA) are a type of RNA, generally defined as transcripts more than 200 nucleotides that are not translated into protein. This arbitrary limit distinguishes long ncRNAs from small non-coding RNAs, such as microRNAs (miRNAs), small interfering RNAs (siRNAs), Piwi-interacting RNAs (piRNAs), small nucleolar RNAs (snoRNAs), and other short RNAs. Long intervening/intergenic noncoding RNAs (lincRNAs) are sequences of lncRNA which do not overlap protein-coding genes.Four mechanisms by which lncRNAs molecules are thought to regulate cellular processes are:
The majority of lncRNAs are transcribed by RNA polymerase II, as evidenced by PoI-I occupancy, 5‘ caps, histone modifications associated with Pol-II transcriptional elongation, and polyadenylation.lncRNAs play a key regulatory role in the p53 transcriptional response. One of the direct p53 targets in response to DNA damage, a lncRNA called linc-p21 located upstream of CDKN1A gene, was found to act as a transcriptional repressor in the canonical p53 pathway and to play a role in triggering apoptosis. p53 regulates linc-p21 by directly inducing its expression, likely through direct binding to the linc-p21 promoter, while reduction of lincRNA-p21 increases expression of numerous p53-repressed transcripts.Pluripotency-associated lincRNAs were initially discovered in mouse embryonic stem cells. Somatic cell reprogramming to induced pluripotent stem cells (iPSCs) is accompanied by enriched expression of large intergenic non-coding RNAs (lincRNAs).The phenomenon of combinatorial transcriptional regulation by lncRNAs is also found in plants. The transition from vegetative to reproductive development is a highly regulated process that, in many plant species, is sensitive to environmental cues that provide seasonal information to initiate flowering during optimal times of the year.To learn more about lncRNA:
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give the name of four aquatic and each terrestrial plant
Answers
Answer:
Terrestrial plants: trees, shrubs, vines, grasses and herbaceous plants.
Aquatic: free floating, submerged, bottom rooted but floating, emergent and rooted, emerged
Explanation:
I put 5 for aquatic just in case but it's background knowledge so...
Hope it helps! :D
biological anthropologists have observed several chimpanzees in western africa making tools to help them hunt. the chimpanzees were seen modifying branches and sticks into spears. they removed any leaves or small branches to make a smooth shaft. they also chewed on the end of the branches to give them sharp points. they then thrust the sharpened branches like spears into tree trunks, where small primates called galagos make sleeping nests. although it remains unclear how successful the chimpanzees are in actually killing galagos, multiple members of the chimpanzee group have been observed producing the spears.how does this research relate to human evolution? in other words, what can we learn about human evolution from research along these lines?
Answers
This research on chimpanzees making and using tools for hunting provides important insight into the evolution of human behavior. It suggests that the ability to make and use tools is not unique to humans but is also present in our closest primate relatives. This research supports the idea that the development of tool use and tool-making was an important step in human evolution.
This research also suggests that the cognitive abilities required for tool use and tool-making, such as planning, problem-solving, and innovation, were present in the common ancestor of chimpanzees and humans. This helps to bridge the gap between human and non-human primates and highlights the continuity of human evolution.
Furthermore, the observation that chimpanzees are modifying branches and sticks to make spears shows that the capacity for technological innovation is not unique to humans. This implies complex cognitive abilities, such as advanced problem-solving, planning, and abstract reasoning, may have evolved in our common ancestor.
Overall, research on chimpanzees and other primates can provide valuable insights into the evolution of human behavior and cognitive abilities, and the study of chimpanzees in particular can help us understand how and when these abilities developed in our evolutionary history.
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Ollowing a disturbance, the climate of an area will always lead to repopulation by the same animal, plant, fungus, and bacterial species, a group collectively referred to as a(n) __________ community.
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The climate of an area will always lead to repopulation by the same animal, plant, fungus, and bacterial species, a group collectively referred as Climax Community.
What is climax community?
A community of plants, animals, and fungi that have attained steady state through the process of ecological succession in the growth of the vegetation in an area over time is referred to in scientific ecology as a climax community or climatic climax community.
Because the climax community is made up of species that are best adapted to the region's typical conditions, it was believed that this equilibrium would emerge.
The climax community's species composition doesn't change since all of the existing species are able to reproduce, whereas invasive species are unable to establish a presence. The climax stage is not entirely permanent since ecological processes, evolutionary processes, and climate changes all alter the environment over extremely long stretches of time.
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What can consumers do to make sure that more materials are recycled?
А buy products made from recycled materials
00
buy biodegradable plastics
С
use canvas bags when shopping
D
use paper bags instead of plastic bags
Answers
Answer:I feel like some of the answers for me would be A and B but if you only had to choose one I would choose A
Explanation: When you buy recycled you are helping the local economy and the environment. You already know that recycling keeps useful materials from going to waste in landfills or incinerators. But did you know that buying recycled-content products ensures that markets for those recovered materials are strong
Edit: Just figured out it's not B here's why:
Plastics marketed as "biodegradable" will contribute to plastic pollution if they are lost or littered. They do not break down as quickly and completely in the environment as the term might imply and thus can harm wildlife and ecosystems. Sorry if it's long
At the time when the consumers do to make sure that more materials are recycled so here option A is considered i.e. buy products made from recycled materials.
Recycled materials:At the time when we purchase the recycled so you helped the economy as well as the environment. Also, recycling plays a vital role for minimizing the wastage and make the proper utilization of the product.
Hence, At the time when the consumers do to make sure that more materials are recycled so here option A is considered i.e. buy products made from recycled materials.
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What is the Purpose of the "DNA extraction liquid"?
Answers
Answer:
plase bear with me i know this is a long answer
Explanation:
The purpose of DNA extraction liquid is to break open cells and dissolve cellular membranes, proteins, and other cellular components in order to release DNA from the cell. This is an essential step in DNA extraction procedures, as DNA is tightly packed within the cell and needs to be isolated and purified for further analysis.
There are many different types of DNA extraction liquids that can be used depending on the type of sample and the downstream application. Commonly used extraction liquids include phenol-chloroform, ethanol, and various commercial kits that utilize a variety of chemical agents and protocols.
The DNA extraction liquid typically contains a combination of reagents that help to disrupt the cell membrane and denature cellular proteins, allowing the DNA to be released and separated from other cellular components. These reagents can include detergents, salts, enzymes, and organic solvents. After the DNA has been released from the cell, it can be further purified using various methods, such as precipitation or column-based purification, depending on the specific application.
In summary, the purpose of DNA extraction liquid is to break open cells and release the DNA for further analysis. It is a critical step in many molecular biology and biotechnology applications, including genetic research, diagnosis of genetic diseases, and forensic analysis.
Hope this helps!!
When pathogens are ingested by the macrophages and dendritic cells of the immune system, they are digested and a small portion of the pathogen, __________, is attached to the surface of the macrophage.
Answers
Answer:
Antigen
Explanation:
on the surface of the pathogen that helps immune cells identify then
When pathogen are swallowed by the immune system's macrophages and dendritic cells, they are digested and a small amount of the pathogen's antigen is attached to the macrophage's surface.
What is antigen?
Any chemical that triggers the body's immune system to react negatively to it. Toxins, chemicals, germs, viruses, and other things originating from the outside of the body are examples of antigens.
In reaction to exposure to antigens, B cells of the immune system create Y-shaped proteins known as antibodies (immunoglobulins).
Antigen receptors, such as antibodies and T-cell receptors, are responsible for recognizing antigens.
Immune system cells produce a variety of antigen receptors, giving each cell a specificity for a single antigen.
Therefore, antigen is attached to the surface of the macrophage.
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The blue particles in this image are able to cross the cell membrane through simple diffusion. How will they be transported?
Answers
Answer:
The correct answer to your question is D
Based on this information, the substances will move directly across the membrane from inside the cell to outside the cell (D).
What is simple diffusion?It is a diffusion process through the membrane that consists of the passage of a substance through the biological membrane as a function of the concentration gradient.
Molecules and ions can cross the membrane passing from the area of higher concentration to the area of lower concentration.
Therefore, we can conclude that based on this information, the substances will move directly across the membrane from inside the cell to outside the cell (D).
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KEPADA ALA QUESTION 7 s Nuclear energy a renewable energy source and why? Yes because it is a clean snergy source and does o Fet No best uses ration to co and wa mitand the Ea nuper, and an is a clear ON because it uses ranum to convert to nuclear power and a ba Yes because uses uranium
Answers
Nuclear energy is not a renewable energy source because it uses uranium, a finite resource, to produce electricity. The process of generating electricity from nuclear energy involves nuclear fission.
The process of generating electricity from nuclear energy involves nuclear fission, which produces radioactive waste that remains dangerous for thousands of years, and poses a significant risk to the environment and human health in case of mishaps.
The production of nuclear energy is also associated with the proliferation of nuclear weapons. Therefore, although it is a source of low-carbon energy, nuclear energy is not sustainable in the long run.
So, Nuclear energy is not a renewable energy source because it uses uranium, a finite resource, to produce electricity.
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Which of the following are assumptions that scientists make about the
natural world?
Check all that apply.
A. Measurability
B. Predictability
C. Causality
D. Regularity
Answers
Answer: Measurability, predictability, causality, regularity all off these
According to cell theory, which are made of cells? Check all that apply.
kitten
bacteria
cactus
mushroom
rock
Answers
Answer:a b c d
Explanation:
I took the test.
Answer: B C D is your answer
Explanation:
Is quartzite a mineral, a rock, or neither?
Answers
Normal (or average) body temperature of humans is often thought to be 98.6 ∘
F. Is that number really the average? To test this, we will use a data set obtained from 67 healthy female volunteers aged 18 to 40 that were participating in vaccine trials. We will assume this sample is representative of a population of all healthy females. The mean body temperature for the 67 females in our sample is 98.85 ∘
F and the standard deviation is 0.852 ∘
F. The data are not strongly skewed. Use the Theory-Based Inference applet to find a 95% confidence interval for the population mean body temperature for healthy females. Round your answers to 2 decimal places, e.g. 0.75. The confidence interval is to eTextbook and Media Based on your confidence interval, is 98.6 ∘
F a plausible value for the population average body temperature or is the average significantly more or less than 98.6 ∘
F ? Explain how you are determining this. eTextbook and Media In the context of this study, was it valid to use the theory-based (t-distribution) approach to find a confidence interval? Yes No eTextbook and Media
Answers
Answer:
Explanation:
To find a 95% confidence interval for the population mean body temperature of healthy females, we can use the theory-based (t-distribution) approach since the sample size is relatively small (n = 67) and the population standard deviation is unknown.
Using the information provided, the mean body temperature for the sample is 98.85 °F, and the standard deviation is 0.852 °F. The formula for the confidence interval is:
Confidence Interval = sample mean ± (t-value * standard error)
First, we need to determine the t-value for a 95% confidence level with (n-1) degrees of freedom. In this case, the degrees of freedom are 67 - 1 = 66. Using a t-table or statistical software, the t-value for a 95% confidence level and 66 degrees of freedom is approximately 1.997.
Next, we calculate the standard error, which is the standard deviation divided by the square root of the sample size:
Standard Error = standard deviation / √sample size
= 0.852 / √67
≈ 0.104
Now we can calculate the confidence interval:
Confidence Interval = 98.85 ± (1.997 * 0.104)
Simplifying the calculation:
Confidence Interval ≈ 98.85 ± 0.208
Rounding to two decimal places, the 95% confidence interval for the population mean body temperature is approximately (98.64, 99.06) °F.
To determine whether 98.6 °F is a plausible value for the population average body temperature, we need to check if it falls within the confidence interval. In this case, since 98.6 °F is within the confidence interval of (98.64, 99.06) °F, it is a plausible value for the population average body temperature. This means that based on the sample data, there is no strong evidence to suggest that the average body temperature significantly differs from 98.6 °F.
In terms of using the theory-based (t-distribution) approach to find the confidence interval, it is valid in this study because the sample size is small and the population standard deviation is unknown. The t-distribution accounts for the uncertainty introduced by using the sample standard deviation to estimate the population standard deviation.
Which of these statements would be MOST important to include in an objective summary of the article?
A. The health triangle is a helpful tool for visualizing your total well-being.
B. Physical health represents your biological welfare and how to protect your body from illness or injury.
C. Consuming a well-balanced diet is one of the best ways to fuel your physical health.
D. You don't have to compete in Ultra-Marathons in order to reap the physical benefits of exercise.
Answers
Answer:
A
Explanation:
In dna replication, the next nucleotide is incorporated into the growing polymer at the __________ of the molecule by an enzyme called __________.
Answers
Answer: 3' Hydroxyl end, DNA polymerase
Explanation: DNA polymerase adds nucleotides to a free 3' hydroxyl end one nucleotide at a time.
in cattle, white coat is co-dominant to red coat with a third coat being roan ( red and white). what are the expected phenotypes from a cross between two roan cattle?
Answers
Answer:
50/50
Explanation:
Since white and red are co-dominant, they are both just as likely to appear in cattle.
Thermogenesis has been studied the plants in the genus Arum, including skunk cabbage and the corpse flower. In these plants, what hypotheses have been provided to explain the reason behind thermogenesis? Select ALL that apply
a) protection from frost damage
b) leaf production and photosynthesis.
c) seed germination.
d) heat source for pollinators
c) pollinator attraction.
Answers
Answer:
a,b,c
Explanation:
Protection from frost damage, leaf production and photosynthesis along with seed germination explain the reason behind thermogenesis.
What is thermogenesis?
The process through which organisms produce heat is known as thermogenesis. All warm-blooded creatures experience it, and a few thermogenic plant species including the Eastern skunk cabbage, the Voodoo lily, and the huge water lilies of the genus Victoria also experience it.
One of the primary purposes of transpiration, which serves as the upper terminal mover of the water circulation in plant systems, is thermoregulation. It establishes a constant water flow from the plant's root system to its leaves and other vegetative organs, uniting them into one whole.
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cells found in the nervous system that insulate, nourish and direct the growth of neurons as well as remove dead neurons and waste products are known as
Answers
The glial cells (glia) are the cells found in the nervous system that insulates, nourishes, and direct the growth of neurons, removing dead neurons and waste products.
These cells, referred to as the glue of the nervous system, are a part of the peripheral and central nervous systems. In the peripheral nervous system, the Schwann and satellite glial cells are found. In the central nervous system, there are five types of glial cells - microglia, radial glia, astrocytes, oligodendrocytes, and ependymal cells.
The glial cells provide and maintain a suitable environment for the neurons by giving them chemical and physical support. It also maintains homeostasis.
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Glial cells or the glia are the cells which are found in the nervous system and perform the function of insulating, nourishing and directing the growth of neurons as well as removing dead neurons and waste products.
Glial cells are basically a type of cell which provides physical as well as chemical support to the neurons and maintain their environment. They are located in the central nervous system or the CNS and peripheral nervous system.
Glial cells are also sometimes referred to as neuroglia or just glia. There are five basic types of glial cells namely radial glia, astrocytes, microglia, oligodendrocytes, and ependymal cells. They direct the growth of neurons and even remove the dead neurons as well as the waste product.
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During gestation, powerful uterine contractions are suppressed by elevated levels of?
Answers
During gestation, powerful uterine contractions are suppressed by elevated levels of progesterone.
In mammals, the period of development of the baby inside the mother's womb is called gestation.
Gestation occurs in mammals during pregnancy and can take place both in mammals and non-mammals.
To put it simply, in humans, it is the time period between fertilization and birth.
During this time, the embryo develops in the uterus, and ultimately a baby is born.
The total period of gestation is about 40 weeks or 280 days and an increased level of progesterone is secreted during this time.
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I need 7,8, and 9 please
Answers
Answer:
7. D
that's all I can help you with
help plss !! really need help
Answers
Answer:
am too young
Explanation:
hope it helps