Answer:
Pulmonary ventilation
The physical state of the sun?
Answer: gas giant
Explanation:
The sun is made of clouds , dust , and gas
How do Punnett squares model processes, events, and structures at the cellular level
Answer:
Punnett squares model processes, events, and structures at the cellular level is explained below in details.
Explanation:
The Punnett square is a tabular synopsis of achievable compounds of matrilineal alleles with patrilineal alleles. These records can be practiced to consider the genotypical consequence possibilities of the generation of a single characteristic (allele), or when crisscrossing various characteristics from the parents.
True or false air entering a low pressure region will fall and cool
The correct answer to the statement " air entering a low pressure region will fall and cool " is absolutely false.
What is meant by pressure region?A pressure region simply refers to that area of a body or system in which pressure is directly excerted in that area. In science, it is ratio of force per unit area.
From the context of the task given above, the air entering a low pressure region will fall and cool is not true simply because of the reduced pressure. The S.I unit of pressure is Newton ( N )
In conclusion, it can therefore be deduced from the explanation given above that pressure is derived quantity.
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From where (or who) do lion cubs get their chromosomes? How does this happen to produce the pattern you see in the karyotype?
Answer:
From their lion parents (male and female)
Explanation:
Lions are diploid organisms (2n), which means they have two sets of chromosomes. One set of chromosome is contributed by their MALE parent while the other set is contributed by their FEMALE parent. Therefore, a lion cub (young lion) derives its chromosomes from the equal contribution of each of its parent.
A karyotype is a pictorial representation of an organism's chromosomes, showing the arrangement, shape, number etc. A lion is found to possess 38 chromosomes in its diploid cell. This means that 19 chromosomes each was contributed by both lion (male) and lioness (female). Each chromosome type from each parent forms a pair known as HOMOLOGOUS CHROMOSOME, which is why the lion is referred to as DIPLOID.
What is the name of the "job" a parent decides to have when helps out their child(ren)'s field trip.
(Like when they are assigned a group to watch)
Answer:
chaperone?
Explanation:
In which process is carbon NOT released into the environment?
A. exhaling
B. condensation
C. excretion
D. decaying
Condensation does not release carbon
Which organelle is labeled I
The organelle is labeled is nucleus, which means, where the chromosomes and one or more nucleoli are located immersed in the nucleoplasm or also karyolymph.
What is a nucleus organelle?The nucleus, generally the largest eukaryotic cell organelle is the region delimited by membrane, where the chromosomes and one or more nucleoli immersed in the nucleoplasm or also karyolymph are located.
The nucleus of an organelle is composed of the karyotheca, chromatin, nucleoplasm and nucleolus.
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Part a. A plate inoculated with a sample volume of 10^-7 mL produced 170 colonies. What was the original concentration in the sample? Show work.Part b. After incubation, how many colonies should be on the 10^-8 mL plate from the dilution series in Part a? Show work.Part c. After incubation, how many colonies should be on the 10^-6 mL plate from the dilution series in Part a? Show work.
the serial dilution, solution for the original concentration in the sample is 170 colonies, solutions are A-10^-7 mL=1.7 x 10^9 cfu/mL
After incubation, 10^-8 mL x 1.7 x 10^9 cfu/mL= 17 colonies should be on the 10^-8 mL plate from the dilution series in Part a , c-10^-6 mL x 1.7 x 10^9 cfu/mL= 1700 colonies. Serial dilutions are created by repeating the same dilution step, with the previous dilution serving as the input to the next dilution in each step. The dilutions are a geometric series because the dilution-fold is the same in each step (constant ratio between any adjacent dilutions). A small amount of a well-mixed solution is transferred into a new container, and more water or other solvent * is added to dilute the original solution. The diluted sample is then used as the base solution for further dilution.
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the prompt: the diagram above shows how carbon is cycled through the environment. what two processes are most important in maintaining this cycle? make sure your claim is supported with evidence and reasonable. include a rebuttal in your response.
In the environment, the carbon cycle is maintained by two different processes, such as photosynthesis and the decomposition of dead organisms. The carbon level is balanced in this way.
What is the carbon cycle?The carbon cycle carries out its work in the environment and maintains the level of carbon in the atmosphere, and the major source of the carbon cycle is photosynthesis, where the plants take the carbon dioxide and water and, with the help of sunlight, glucose and oxygen are released. Glucose is a carbon-based food that can be used by both plants and animals for cellular activities, resulting in the release of carbon dioxide. Decomposers release carbon into the soil and the atmosphere after living organisms, such as plants and animals, die, and in this way the carbon cycle continues.
Hence, in the environment, the carbon cycle is maintained by two different processes, such as photosynthesis and the decomposition of dead organisms.
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Some cars are hybrid automobiles most automobiles are powered only by gasoline engines, and a few are powered by electric motors. In a hybrid automobile, there are two sources of power: a gasoline engine and an electric motor. Give an example of a trait that Mendel studied in hybrids.
One example of a trait that Mendel studied in hybrids is flower color in pea plants.
Gregor Mendel, known as the father of modern genetics, conducted extensive experiments with pea plants in the mid-19th century. He studied the inheritance patterns of various traits, including flower color, in these plants.
Pea plants have different variants for flower color, such as purple and white. Mendel discovered that certain traits are inherited in a predictable manner, and he used hybrids to study these patterns.
In the case of flower color, Mendel crossed pea plants with purple flowers (genotype PP) with pea plants with white flowers (genotype pp).
The resulting hybrids, known as the first filial generation (F1), all had purple flowers. However, when these F1 hybrids were self-fertilized or crossed with other F1 hybrids, Mendel observed a 3:1 ratio of purple to white flowers in the second filial generation (F2).
This indicated that the trait for flower color followed a specific pattern of inheritance, later known as Mendelian inheritance.
By studying traits like flower color in hybrids, Mendel was able to establish the fundamental principles of inheritance, providing the basis for modern genetics.
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define each characteristic of life
Answer:
All living organisms share several key characteristics or functions: order, sensitivity or response to the environment, reproduction, growth and development, regulation, homeostasis, and energy processing. When viewed together, these characteristics serve to define life.
Green algae are divided into two main groups, the charophytes and the __________.
Answer:
The green algae are subdivided into the chlorophytes and the charophytes.
Explanation:
the part of the brain that coordinates the movement of skeletal muscles
Describe the effect that a rapid and dramatic increase of secondary consumers would have on producers.
A rapid and dramatic increase of secondary consumers will also cause an increase in the producers.
Secondary consumers are those animals that feed on primary consumers. For instance, in a food chain carnivores are the secondary consumers as they feed on the primary consumers i.e., herbivores. Herbivores feed on the producers. If the secondary consumers increase, they will feed and decrease the population of primary consumers and in turn the population of producers will increase.
Producers are the species that make their own food. Plants are the example of producers. In all of the food chains producers are the beginners, except the detritus food chains. The food chains that begin with producers are called the grazing food chains.
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in regards to the terms dermatome and myotome, the portion of a skeletal muscle innervated by a single spinal cord level (spinal segment) or by a single pair of spinal nerves, is known as a .
The portion of a skeletal muscle innervated by a single spinal cord level (spinal segment) or by a single pair of spinal nerves, is known as a Mytome.
A myotome is characterized collectively by muscles that are innervated by a single spinal nerve root. When diagnosing radiculopathy, myotome testing is an essential component of the neurological examination. Because each skeletal muscle is innervated by nerves derived from multiple levels of the spinal cord, myotomes are a part of the somatic nervous system, while the somatic nervous system is a part of the peripheral nervous system. As a result, myotomes are much more difficult to test than dermatomes.
Multiple myotomes make up the majority of the limb muscles because they are innervated by multiple spinal nerve roots. For instance, the biceps brachii muscle bends the elbow. The musculocutaneous nerve, which is innervated by the C5, C6, and C7 nerve roots, innervates it. Elbow flexion can be said to be associated with all three of these spinal nerve roots.
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Help me pleeeeeeaaaaaaase.
1) Which class of vertebrates are ectothermic animals that live both on land and in water?
fish
reptiles
amphibians
birds
2) What type of symmetry is most common in the vertebrate group?
haphazard symmetry
radial symmetry
bilateral symmetry
unilateral symmetry
3) Which characteristic is unique to invertebrates?
They have a spinal column.
They are immobile.
They have no defined organ systems.
They have bilateral symmetry.
4) Some animals have a well-defined skeleton and a backbone. Under which category of animals are they placed?
arthropods
invertebrates
vertebrates
echinoderms
Amphibians are ectothermic animals that live both on land and in water. The bilateral symmetry type of symmetry is most common in the vertebrate group. They have a spinal column that is unique to invertebrates. The animals have well-defined skeletons and a backbone. Under which category of animals are they placed under vertebrates.
The most common feature of the phylum vertebrate is having a backbone. The backbone is also referred to as the spinal cord. Vertebrate is the subphylum under Cranita and is also prominently present under the phylum Chordata.
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Which of the following scenarios will decrease the genetic variation of a population? (1 )
a a mutation in a chromosome makes it more likely to undergo genetic recombination
b a population of birds suddenly decrease their frequency of sexual reproduction
c an individual works out, increasing their muscle mass
d a mutation alters the sequence of a gene resulting in a new allele
Scenario b, where a population of birds suddenly decreases their frequency of sexual reproduction, can decrease the genetic variation of a population.
Genetic variation refers to the diversity of genes within a population. It is crucial for a population's ability to adapt and evolve in response to environmental changes.
Scenario a, where a mutation in a chromosome makes it more likely to undergo genetic recombination, would actually increase genetic variation. Recombination shuffles and combines genetic material, leading to new combinations of alleles.
Scenario c, where an individual works out and increases their muscle mass, does not directly impact the genetic variation of the population. It may lead to changes in the individual's phenotype but does not affect the population-level genetic variation.
Scenario d, where a mutation alters the sequence of a gene resulting in a new allele, can increase genetic variation by introducing a new genetic variant into the population.
However, the most significant impact on decreasing genetic variation is seen in scenario b. If a population of birds suddenly decreases their frequency of sexual reproduction, it limits the opportunity for genetic exchange and introduces a bottleneck effect, potentially reducing the diversity of genes within the population and decreasing overall genetic variation.
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why is biology important?
Answer:
because scientist think it will help let us students learn more about the living world
Suppose that your friend is down the hall and is walking towards you. Explain what happens to the lenses of your eyes as your friend approaches. What is this reflex called?
As your friend approaches, the lenses of your eyes change shape to focus the light on the retina, allowing you to see a clear image of your friend. This is known as the accommodation reflex.
The ciliary muscles surrounding the lens contract, causing the lens to become more curved and increase its refractive power, which allows the eyes to focus on nearby objects. As your friend moves closer, the ciliary muscles contract further, causing the lenses to become more round and thus focusing the light rays even more. This process is automatic and involuntary, controlled by the parasympathetic nervous system. The accommodation reflex is essential for clear vision at different distances and is constantly occurring as objects move closer or farther away from the eyes.
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given the following dna coding strand agt atg gcc cgt aca. what messenger rna (mrna) would be sent to the cytoplasm?
The given DNA coding strand is AGT ATG GCC CGT ACA, and we are supposed to determine what messenger RNA (mRNA) would be sent to the cytoplasm. Let's examine the steps that would be involved in doing so.DNA consists of two complementary strands: the coding strand and the template strand.
The coding strand has the same nucleotide sequence as the RNA transcript, except that thymine (T) is substituted for uracil (U).The messenger RNA (mRNA) is created in a process known as transcription, in which RNA polymerase reads the DNA sequence of the template strand and synthesizes a complementary mRNA sequence.The steps involved in transcription are:
1. RNA polymerase binds to the DNA double helix, breaking the hydrogen bonds between the complementary base pairs in the process. The enzyme recognizes a specific nucleotide sequence known as the promoter region as the starting point for transcription.
2. RNA polymerase reads the DNA sequence of the template strand in the 3' to 5' direction and synthesizes a complementary RNA sequence in the 5' to 3' direction.
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which sequence accurately describes the path traveled by a new protein from when it first starts to be translated to its release from the cell?
The sequential pathway of a protein from it first starts to be translated to its release from the cell is cytosol > ER > Golgi > vesicle > plasma membrane > external environment. These proteins are synthesized in the ribosomes.
The exported proteins are synthesized (i.e., translated) in the ribosomes of the cytosol that bound to the endoplasmic reticulum in order to enter into the endomembrane system.
Subsequently, extracellular proteins undergo processing in the Golgi apparatus, which is connected to the rough RE by transport vesicles.
Finally, these proteins pass through transport vesicles in order to be exported from the cell by endocytosis.
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Refer to this portion of a dichotomous key for fish identification to answer the question. 1. (a) Has a single dorsal fin ® 5 (b) Has a double dorsal fin ® 2 5. (a) Has small fin on back near tail ® 6 (b) Has no fin on back near tail ® 7 6. (a) Has barbs near the mouth ® Catfish (b) Does not have barbs near the mouth ® 10 What do the numbers after the arrows represent? the number of the question that should be considered next the number of steps remaining before the organism is identified the number of questions that need to be answered the number of species that have the described characteristic
The numbers after the arrows in the given dichotomous key represent the number of questions that should be considered next.
Dichotomous keys are used to identify and classify organisms based on their characteristics. The key presents a series of paired questions or statements that require a yes or no response. The numbers after the arrows in the key represent the number of the next question that should be considered based on the response to the previous question. In this example, if the fish has a single dorsal fin, the key directs the user to question 5, which asks whether the fish has a small fin on its back near the tail. If the answer is yes, the fish is identified as a catfish, but if the answer is no, the user is directed to question 7. By following this process of elimination, the user can eventually arrive at the correct identification of the organism.
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What is found inside of ice core samples that scientists use to determine the composition of the atmosphere at the time the ice was formed?
question 14 options:
microbes
dust particles
ions
gas bubbles
Inside ice core samples, scientists use gas bubbles to determine the composition of the atmosphere at the time the ice was formed.
These gas bubbles contain trapped air from the past, providing valuable information about the historical atmosphere.
Ice core sampling involves drilling into ice sheets or glaciers to extract long cylindrical sections of ice cores. These ice cores can reach depths of several kilometers and contain layers of ice representing different periods in history, often spanning thousands or even hundreds of thousands of years.
The gas bubbles present in these ice cores are small pockets of air that were trapped within the ice at the time of its formation. These bubbles preserve a snapshot of the atmospheric composition, capturing the gases present in the Earth's atmosphere during that particular period.
The composition of these gas bubbles can be analyzed to reveal the past concentrations of various atmospheric components.
To extract the gases from the ice cores, scientists use a variety of techniques, including melting, crushing, or sublimating the ice samples.
Once the gases are released, they can be analyzed using specialized instruments such as gas chromatographs or mass spectrometers.
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What is the movement of substances by surrounding them with a cell membrane?
Answer:
Hey Dude...
Explanation:
This is ur answer....
The process by which a cell takes in a substance by surrounding it with the cell membrane using active transport is known as Endocytosis.Hope it helps!
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5. In a scientific investigation, a scientist is testing to see
the effect of light intensity (strength of the light) on
plant growth. During her investigation, the scientist
ensures that all subject plants get the same amount of
water, are planted in the same type of soil and placed
in a lab room at the same temperature. Each of these
factors are an example of a
A) control group
B) experimental group
C) control variable
D) independent variable
Answer: C control variable
Explanation: I say control variable because it is what is being kept the same during the investigation. It is not of primary concern in the experimental outcome because it is all kept the same in each of the subject plants.
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A cell is short of water. Outline how osmosis will help the cell to gain water.
Answer:
When a cell is under a body region with more water than ions (solution), the water molecules move from that body region to the cell cytoplasm through the cell membrane. This makes a cell highly concentrated in water than ions.
Explanation:
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In such case, the water molecules move from outside to inside of the cell through cell membrane (semi-permeable membrane). This process is called as endosmosis by which cell gain water.
How does virus and bacterial infections each affect healthy body cells?
The virus infections happens when a virus gets past the physical barriers of the body (skin, mucus, and so on) and infect a suitable cell, the virus take the genetic machinery of the host cell to replicate, damaging that cell and making more virus that will do the same process with other suitable cells. After the virus use all the cell potential, it will kill the cell and release all the virus that were in the cytoplasm of the host. While bacterial infections have more autonomy, being not necessary the integral machinery of the cell to multiply in the host body, it can act in differrebt ways, such as: crowd out the host tissue and disrupt the function, killing the cells or tissues outright, destroy the metabolic machinery, cause a massive toxic reaction in the immune system, and release toxins that can make the body stop all their functions at once (paralyze the metabolic and general system of the host).
Many tree frog populations are threatened due to habitat loss. In an effort to promote conservation, tree frogs may be bred in captivity. A zoo acquired male and female tree frogs from two different populations. In the zoo, the tree frogs were able to successfully mate within their own population, but breeding attempts between the two populations were unsuccessful.
Based on this information, which statement correctly describes the relationship between the two populations of tree frogs?
Answer:
They are in the same genus but different species.
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protein synthesis is a multistep process. put the steps of protein synthesis in sequential order.
Answer:
Replication - Transcription - Translation
Explanation:
Replication duplicates the DNA so that happens first. Then in transcription converts the DNA to mRNA which goes to the cytoplasm to make proteins. In translation proteins are made when codons and anti codons join to make amino acids which create the proteins.
The sequence for the lactate dehydrogenase gene of pigs is >1500 nucleotides long. A portion of the template strand sequence is listed as taccggagctgc.
a. List the mRNA sequence and label 3' and 5' ends:
b. List the coding strand sequence, labeling 3' and 5' ends:
c. List the amino acid sequence specified:
The sequence for the lactate dehydrogenase gene of pigs is >1500 nucleotides long. A portion of the template strand sequence is listed as taccggagctgc. Therefore, the mRNA sequence, the coding strand sequence, and the amino acid sequence specified are as follows.
a. List the mRNA sequence and label 3' and 5' ends:
mRNA stands for messenger ribonucleic acid, which is an RNA molecule that translates genetic information from DNA into a specific amino acid sequence. The mRNA sequence for the given sequence is UACCAGGUCUGCThe 5' end of the mRNA sequence is "U," and the 3' end is "C."
b. List the coding strand sequence, labeling 3' and 5' ends: The coding strand sequence refers to the DNA sequence that corresponds to the mRNA sequence produced during transcription. The coding strand sequence for the given template strand sequence is ATGGTCCTCGACThe 5' end of the coding strand sequence is "A," and the 3' end is "C."
c. List the amino acid sequence specified: Now that we have both the mRNA sequence and the coding strand sequence, we can use the genetic code to determine the amino acid sequence specified. The first codon in the mRNA sequence is UAC, which codes for the amino acid tyrosine (Tyr).
Similarly, the second codon in the mRNA sequence is CAG, which codes for the amino acid glutamine (Gln).Finally, the third codon in the mRNA sequence is GUC, which codes for the amino acid valine (Val).Therefore, the amino acid sequence specified for the given sequence isTyr-Gln-Val.
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