Which two geologic processes result from vertical circulation within the mantle?

Answer:

Gregor Mendel was the father of the field of genetics, which seeks to explain how traits are passed on from one generation to the next. To study genetics, Mendel chose to work with pea plants because they have easily identifiable traits.

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Answer:

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3) Well injection is usually done through the vein because they need the substance to go into the blood.

4) Some people believe that the heart is on the left side because its the left ventricle and atrium responsible and when people hear left they think the heart is on the left.

5) People living in high altitudes don't get as much oxygen so their bodies evolved into carrying ,more RBC so more oxygen is carried into their bodies.

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A:    D.  mother is able to feel the fetus move inside her womb

E:     ED20 CA-Psychology

During weeks 17-20, quickening occurs, mother is able to feel the fetus move inside her womb. The correct option is D.

It is measured in weeks, beginning with the first day of the woman's last menstrual cycle and ending with the current date.

A normal pregnancy can last between 38 and 42 weeks. Premature babies would be those born prior to actually 37 weeks. Postmature infants are those born after 42 weeks.

It is common in mammals, but it also occurs in some non-mammals. Mammals can have one or more gestations at the same time during pregnancy, as in a multiple birth.

Pregnancy is calculated from the first day of the woman's last period, rather than the date of conception, which usually occurs two weeks later.

Quickening occurs during weeks 17-20, and the mother can feel the fetus move inside her womb.

Thus, the correct option is D.

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The organisms sensitive to vancomycin are: MRSA and Clostridium difficile. While the organisms resistant to vancomycin are: fungi, viruses, E. coli and Mycoplasma.

Vancomycin is an antibiotic which is chemically a tricyclic glycopeptide. The antibiotic originated from the organism Streptococcus orientalis. It is used to treat the infections caused by Gram positive bacteria. It is usually administered intravenously.

MRSA stands for methicillin-resistant Staphylococcus aureus. It is referred to as a superbug because it causes some difficult to treat infections in the humans. This difficulty in treatment arises due to its property of being resistant to various antibiotics. The microorganism can spread through contact.

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The stent holds open the narrowed arteries to allow adequate blood to flow to the heart.

When environmental factors influence gene expression, this is referred to as gene-environment interaction.

This phenomenon occurs when the expression of a gene is altered by external factors, such as exposure to toxins, diet, stress, and social environment. Gene-environment interaction is a complex process that involves both genetic and environmental factors. For example, research has shown that individuals with a specific genetic variant may be more vulnerable to the negative effects of environmental factors, such as air pollution, on their health outcomes.

Moreover, gene-environment interaction can play a role in the development of various diseases, including cancer, cardiovascular disease, and mental illness. Understanding the interplay between genes and the environment can help researchers develop targeted interventions to prevent or treat these diseases. Therefore, gene-environment interaction is an essential area of research in genetics and environmental health.

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The two alleles, taster and non-taster, may persist in human populations over many generations due to the advantage of diversity.

The taster allele allows individuals to detect bitter tastes, which can be advantageous in detecting potential toxins in food. However, the non-taster allele may be advantageous in situations where bitter-tasting substances are actually beneficial, such as certain medicinal herbs or bitter vegetables that contain important nutrients.

Additionally, the persistence of both alleles may be due to the fact that they are inherited independently of other traits. This means that individuals can inherit one or both alleles without affecting their likelihood of inheriting other advantageous traits.

Furthermore, the prevalence of both alleles may be influenced by environmental factors. In cultures where bitter-tasting foods are more prevalent, the taster allele may be more advantageous. In other cultures where bitter-tasting foods are less common, the non-taster allele may be more advantageous.

Overall, the persistence of both the taster and non-taster alleles in human populations over many generations may be due to the advantages of diversity, the independent inheritance of the alleles, and the influence of environmental factors.

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Mass movements in the colon are stimulated by the presence of food/chyme in the stomach/ duodenum. Hence only the first and second choices are correct.

The large intestine is divided into the colon and rectum, and it exhibits three different types of movements: regular irregular contractions, rhythmic ascending (antiperistaltic) waves of contraction originating at the end of the large bowel, and rhythmic longitudinal contractions in the colon and rectum. The first two patterns are in situ in the big bowel, making them seem more developed.

The final one was exclusive to older preparations and so seemed abnormal. The colon is often dormant when there is a gap between meals. The so-called gastrocolic and duodenocolic reflexes, a manifestation of enteric nervous system regulation, cause intestinal motility to considerably increase after eating as a result of signals transmitted by the enteric nervous system.

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The correct match for the terms describing aspects of Sexual Strategies Theory are:

The Sexual Strategies Theory proposes that males and females have evolved different mating strategies due to differences in the minimum investment required for reproduction and the availability of reproductive opportunities.

Among the conclusions reached by Buss and Schmitt from their research:

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Answer:

Thyroid gland produces a hormone called thyroxin that afftects energy levels.

The phenomenon described, where cells develop an increased number of receptors for a messenger when exposed to prolonged low concentrations of that messenger, is known as upregulation or receptor upregulation.

Upregulation is a cellular response to compensate for the low concentration of the messenger and enhance the sensitivity of the cells to the available signaling molecules.

When the concentration of a messenger, such as a hormone or neurotransmitter, is consistently low over time, the cells adapt by increasing the number of receptors on their surface. This upregulation allows for more efficient and enhanced cellular response to the limited amount of the messenger, amplifying the signaling pathway.

By increasing the number of receptors, the cells become more sensitive to even low concentrations of the messenger, ensuring a sufficient cellular response. Upregulation plays a crucial role in maintaining cellular homeostasis and ensuring proper communication and signal transduction within the body.

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Answer:

In biology, a gene is a basic unit of heredity and a sequence of nucleotides in DNA or RNA that encodes the synthesis of a gene product, either RNA or protein. During gene expression, the DNA is first copied into RNA.

Euchromatin is a lightly packed form of chromatin that is enriched in genes, and is often under active transcription. Euchromatin comprises the most active portion of the genome within the cell nucleus. 92% of the human genome is euchromatic.

The genes present in heterochromatin are usually inactive. The genes present in euchromatin are either already active or will be active during growth. Heterochromatin is transcriptionally-inactive. Euchromatin is transcriptionally. (This one here is the difference)

Endoplasmic reticulum - makes fats and proteins; one has ribosomes and one does not.

What is Cell Organelles?

Cell organelles are specialized cellular structures found within the cytoplasm of all eukaryotic cells. These organelles are responsible for a wide variety of functions, including energy production, metabolism, and communication. The most common organelles include the nucleus, mitochondria, endoplasmic reticulum, Golgi apparatus, lysosomes, peroxisomes, and vacuoles. The nucleus is the most important organelle and contains genetic information, while the mitochondria produce energy. The endoplasmic reticulum is responsible for transporting proteins and lipids throughout the cell, while the Golgi apparatus helps to package and transport these molecules. Lysosomes contain digestive enzymes, peroxisomes are involved in oxidizing metabolic reactions, and vacuoles store important materials. Together, these organelles allow for efficient and organized functioning within the cell.

Mitochondria - Creates energy

Endoplasmic reticulum - makes fats and proteins; one has ribosomes and one does not.

Ribosomes - helps assembles proteins

Golgi apparatus - ships and packages protein

Chloroplast - absorbs sunlight

Vacuoles -  store food, water and wastes

Lysosomes - helps breakdown nutrients and dead cell parts.

Cytoplasm - thick fluids in cell.

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The process of crossing over, where parts of paired chromosomes are exchanged, usually  increases genetic combinations in a population.

The correct option is A .

In general , genetic diversity is important for the evolution of populations, as it provides the raw material for natural selection to act upon. Natural selection is the process by which certain traits become more or less common in a population over time based on their impact on survival and reproductive success.

The exchange of genetic material is facilitated by the breakage and rejoining of corresponding sections of the chromosomes, and it can result in new combinations of alleles, or versions of genes, on the chromosomes. so, crossing over is a crucial process that contributes to genetic diversity .

Hence , A is the correct option

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Answer:

The polluter is multiplied by covering the pyramidal base, that is, it affects all the following links that depend on the base of this pyramid, that is why the effect is multiplier, and much more serious.

Explanation:

If we analyze, the problem that is in the base creeps in all the following links, on the other hand, if the pollutant is in the third link of this pyramid it will only affect the last links, the lower the pollutant is, or more closer to the eastern base, the more negative repercussions it will have on the rest of the food chain.

The traditional example of this is the consumption of soya with pollutants in cattle, since it is dragged towards humans and all those animals that continue in the food chain.

It is important to remember when providing care to adults ages 80 and older that all older adults suffer from some of the generaliment that is present in the second option.

In general, older patients suffer from certain general diseases, such as high rates of cardiac disease, dementia, low immunity, and so on, so medical checks help them take better care of themselves.

Hence, it is important to remember when providing care to adults ages 80 and older that all older adults suffer from some of the generaliment that is present in the second option.

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Answer:

Antiacids, antibiotics and mint (Peppermint oil is under preliminary research for its potential as a short-term treatment for irritable bowel syndrome)

Antacids and antibodies are the pharmacological treatments. Therefore, the correct statements are option A and option E.

Pharmacological treatments are drugs that help to treat various medical conditions. They act by changing the biochemical and physiological properties of a body to cure the underlying disease.

Antacids used to treat stomach acid and conditions like heartburn by raising the pH of the stomach acid, thereby, relieving the digestion problems. Antibodies are also used to treat bacterial infections by targeting the growth of bacteria.

Endoscopies and ultrasounds, on the other hand, are used to examine internal organs or tissues and mint is a natural remedy to relieve digestion problems.

Therefore, antacids and antibodies are pharmacological treatments.

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From what we know, we can confirm that a variation that makes a gene different in some way from other genes for the same characteristics is called a mutation.

All genes in an organism are coded through a series of nucleotides. Each gene has its own sequence of nucleotides that make it unique. A mutation is a change in this nucleotide sequence caused by either external forces such as UV light, or internal errors.

Therefore, given the definition described, we can confirm that a variation that makes a gene different in some way from other genes for the same characteristics is called a mutation.

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Answer:

A

Explanation:

Explanation:

Meiosis produces haploid gametes (ova or sperm) that contain one set of 23 chromosomes. When two gametes (an egg and a sperm) fuse, the resulting zygote is once again diploid, with the mother and father each contributing 23 chromosomes.

Answer:

If the allele frequencies change from the original frequencies after one cycle of random mating, the population is not in Hardy-Weinberg equilibrium, and evolution has occurred within the population.

Answer:

With less oxygen, the abnormal hemoglobin S gene can cause rigid, nonliquid protein strands to form within the red blood cell. These rigid strands can change the shape of the cell, causing the sickled red blood cell that gives the disease its name.

Answer:

B. Inheriting a specific gene

Explanation:

Sickle cell anemia is a genetic disorder whose gene likely originated in places where illnesses like malaria are common; the sickle cells help prevent people from getting sickened as bad in that case.

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Growing food in ways which minimize water and fertilizer use and protect biodiversity while enhancing farmers' livelihoods is an example of sustainable sourcing.

Sustainable sourcing is the practice of procuring goods and services in a manner that preserves and improves the natural environment, social welfare, and economic well-being of current and future generations. The process of sustainable sourcing ensures that the procurement of products and services is completed in a way that minimizes any negative impact on the environment.

Additionally, sustainable sourcing also seeks to support social and economic development and protect the human rights of all parties involved. The use of sustainable sourcing practices is vital for addressing some of the most pressing environmental and social challenges facing the world today, including deforestation, greenhouse gas emissions, and water scarcity. It is also crucial for ensuring the availability of resources for future generations.

Therefore, sustainable sourcing is a critical component of many companies' corporate social responsibility (CSR) programs.

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Answer:

hoshendayroth123

Explanation:

wala na

Answer:

Solar energy-》Heat energy or chemical energy (glucose)

Occurs in leaves or chlorophyll

The given statement, neither short nor flat bones contain a medullary cavity is true because Short and flat bones do not contain a medullary cavity.

The medullary cavity is a space inside the shaft of long bones that stores yellow bone marrow, which is a type of fat. This fatty tissue is used to produce red and white blood cells. Short and flat bones, such as the bones of the skull, wrist, and ankle, do not have a medullary cavity.

They are composed of thin layers of compact bone surrounding a spongy layer of cancellous bone, which does not contain any marrow. The primary purpose of these bones is to provide protection for underlying organs, as well as to provide attachment points for muscles and ligaments.

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Answer:

Yes

When the mitochondria inside your cell produces energy, ATP is changed into ADP, I believe that is a nuclear reaction.

The correct answer is a. There is stronger research evidence for biological influences on sexual orientation than there is for environmental influences.

The current research on what influences sexual orientation suggests that both biological and environmental factors play a role. While there is evidence that biological factors, such as genetics and hormonal influences in utero, can contribute to sexual orientation, there is also evidence of environmental factors, such as childhood experiences and social factors. It is important to note that there is no one specific factor that determines an individual's sexual orientation, and it is likely a complex interplay of various influences. Therefore, option C is the most accurate summary of the current research. It is important to continue studying and understanding the various influences on sexual orientation to promote acceptance and inclusivity for all individuals.


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