When two species both have similar anatomical structures that were inherited from the same ancestor that also had them, the similarities are referred to as being Group of answer choices analogies homologies neither of the above

Answer:

it depends on what your eating when you eat your body digests the food and uses what it can to provide what your body needs  

Explanation:

Answer:

C) It allows for more genetic diversity of gametes.

Explanation:

Mendel's Law of independent assortment states that alleles cross over to create genetic diversity.

Gas chromatography exploits the physical and chemical properties of the compounds present in the mixture, such as their boiling points, polarity, and molecular size, to separate them.

Gas chromatography is a type of separation technique that is used to separate and analyze mixtures.

It works on the basis of the different physical and chemical properties of the compounds present in the mixture.

The technique is based on the principle of partitioning, where the sample is partitioned between a stationary phase and a mobile phase.

The stationary phase is usually a coated solid or a liquid, and the mobile phase is usually an inert gas.

For example, compounds with lower boiling points will elute faster than compounds with higher boiling points.

The technique can be used to separate a wide range of compounds, from small organic molecules to large biomolecules.

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No, it is highly unlikely that the hospital accidentally switched babies. The reason why Little Toad was born with a white cap with white spots instead of red is because of a genetic phenomenon known as a recessive trait.

Toadette is likely carrying a recessive gene for white spots on the cap, which is only expressed when two copies of the gene are inherited, one from each parent. Since Toad has dominant red spot genes, he only passed down the red spot gene to his offspring.

However, Toadette could have passed down the recessive white spot gene, resulting in Little Toad's unique appearance. It is important to note that genetic variations and mutations are not uncommon and can result in different physical traits in offspring.

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In the common cold we can say that there is a localized inflammatory response as is focused on the airways, rarely gets to the bronchi or lungs, this happens when there are complications, even more, when complications occur, these are contained in the respiratory system.

The hair cells in the inner ear are invested with stereocilia, which protrude through the cuticular plate.

These stereocilia are essential for the transduction of sound waves into electrical signals that can be interpreted by the brain. When sound waves cause the stereocilia to move, ion channels in the hair cells open and allow for the influx of ions, generating an electrical signal. This signal is then transmitted to the brain via the auditory nerve, where it is processed and interpreted as sound.

The hair cells are invested with stereocilia, which protrude through the cuticular plate. Stereocilia are tiny hair-like structures that play a crucial role in the process of hearing and maintaining balance within the inner ear.

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Each part of the cell is essential to survival because they perform the necessary functions which help keep us alive.

This is referred to as the simplest unit of life and becomes aggregated to for tissues which have similar structures and functions.

Let's take the eyes for example, if the cells are damaged then it will lead to the reduction in its function which in this scenario is a bad sight or having troubles seeing correctly. This in turn leads to not being able to work or move away from hazardous substances which is why each part of the cell is essential to survival.

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1. Place the galvanometer on a stable surface.

2. Connect the wire loop to the terminals of the galvanometer.

3. Position the wire loop in a vertical orientation.

4. Ensure that the wire loop is not in contact with any other conductive material.

5. Bring the bar magnet close to the wire loop without touching it.

6. Observe the galvanometer for any deflection or movement of the needle.

7. Move the bar magnet closer to the wire loop and observe the galvanometer response.

8. Slowly move the bar magnet away from the wire loop and note any changes in the galvanometer reading.

The steps are arranged in the correct order for setting up the experiment.

Starting with placing the galvanometer and connecting the wire loop, the subsequent steps involve positioning the wire loop, bringing the bar magnet close to the wire loop, and observing the galvanometer response at different distances.

The experiment aims to demonstrate the generation of electric current in the wire loop when exposed to a changing magnetic field, as indicated by the deflection or movement of the galvanometer needle.

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DNA and chromosomes play a crucial role in passing traits from parents to offspring. They carry genetic information that determines the inherited characteristics of an individual.

DNA, or deoxyribonucleic acid, is the genetic material found within cells. It is organized into structures called chromosomes. Each chromosome is composed of DNA tightly wound around proteins, forming a compact structure. Humans have 46 chromosomes, with 23 inherited from each parent.

During the process of replication, DNA makes an exact copy of itself before cell division. This ensures that each daughter cell receives a complete set of genetic information. Replication involves unwinding and separating the DNA strands, and each strand serves as a template for the synthesis of a new complementary strand. The result is two identical DNA molecules, each consisting of one original strand and one newly synthesized strand.

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If two rabbits with brown fur produce a baby with white fur, the genotype of the parents is: Ff and Ff. The correct option is B.

Genotype is the genetic material of the organism. There are two types of traits, the traits that are visible are phenotype characters and the inner traits are genotype characters.

Given, the dominant gene is F brown colored fur.

The recessive gene is f white-colored fur.

The punnet square

       F    x     f

F      FF     Ff

f       ff       ff

Punnett square is crossed over between the parents. The parents are heterozygous.

The parents will be  Ff and Ff and the baby produced will be two offspring will be of white fur.

Therefore, the correct option is B. Ff and Ff.

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Red and yellow bone marrow are two types of bone marrow found in the human body, and they differ in their function and composition.

Red bone marrow, also known as myeloid tissue, is responsible for the production of red blood cells, white blood cells, and platelets. It is located mainly in the flat bones of the skull, pelvis, ribs, sternum, and vertebrae. Red bone marrow contains stem cells, which give rise to the blood cells, and various other types of cells that support and nourish the stem cells. Yellow bone marrow, also known as fatty tissue, is found mainly in the long bones of the arms and legs. It consists mainly of fat cells, which store energy, and a few scattered blood cells. Yellow bone marrow does not produce blood cells, but it can be converted into red bone marrow if the body needs to increase its production of blood cells. The conversion of yellow bone marrow into red bone marrow is a natural process that occurs in response to certain conditions, such as severe bleeding or anemia.

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Answer:

B.

Explanation:

Raising water level makes it easier to flood

The ranking of following solutions from acidic to basic are as follows;

Urine (pH 5.89) , Blood (pH 7.30) , intestine contents (pH 8.06)

pH also known as power of hydrogen is commonly expressed as -log[H+] The pH  can be measured using following ways pH indicators , pH meter and pH strips. Among all these three measurements the pH meter is considered to be most reliable for giving an accurate measurement

The pH scale ranges from 0-14 and it is categorized into three types i.e. acidic, basic and neutral . The pH value of 7 corresponds to be neutral in nature . The pH value below 7 is said to be acidic in nature and pH value above 7 is said to be basic in nature .

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The force that caused the rubber blue ball to roll down the ramp is gravity. When Kendrick held the ball halfway up the ramp and then released it, the force of gravity began to act on the ball and it started to roll down the ramp.

A ramp is an inclined plane that reduces the amount of force required to move an object to a higher level. The force of gravity, which is an attractive force between any two objects in the universe, acts on objects in the direction of the center of the Earth.

This force causes objects to fall toward the ground. When the rubber blue ball was released from the midpoint of the ramp, it began to move in the direction of the force of gravity, which caused it to roll down the ramp. The force of gravity was able to overcome the ball's inertia and caused it to accelerate down the ramp. Once the ball rolled off the end of the ramp, it continued to move forward due to its inertia.

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Answer:

1) 2

2) 1

3) B

4) Released, the products' energy is lower than the reactants'.

Explanation:

Think of the activation energy as a hill, and the reaction pathway as a marble rolling down said hill. The hill is usually harder for the marble to get over and thus takes a lot of time. When an enzyme is added however, the hill becomes smaller, making it easier and quicker to get over.

On a phylogenetic tree, extra carefully associated terminal taxa are linked with the aid of shallower nodes

(i.e., nodes nearer to the recommendations of the tree) and extra distantly associated terminal taxa are related with the aid of deeper nodes (i.e., nodes nearer to the base of the tree).

A 'taxon' is a team of organisms at any hierarchical rank, such as a family, genus, or species.

The recommendations of a phylogenetic tree are most in many instances living, however may additionally additionally symbolize the ends of extinct lineages or fossils.

As in the bushes you are already acquainted with, recommendations or leaves are subtended by way of branches.

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Answer:

The Human spinal cord. The Spinal cord, if fractured or broken, would take a long time to heal and regenerate (if at all, it barely regenerates, leaving it impaired), while the starfish and gecko can just regrow those parts.

I hope this helps!

A good experimental group should have one variable introduced when compared to the control group.

This allows for the isolation of the effect of the variable on the outcome being measured. If multiple variables are introduced, it becomes difficult to determine which variable is causing the observed effect, and the experiment loses its validity. Therefore, it is important to carefully design experiments with a single variable being introduced in the experimental group, while keeping all other factors constant in both the experimental and control groups.
In an experiment, the control group serves as a baseline, where no changes are made. The experimental group, on the other hand, has one variable altered to measure its effect. By only introducing one variable, researchers can isolate its impact and determine if it causes any significant changes in the outcome. This method of comparing an experimental group to a control group is crucial in establishing cause-and-effect relationships and helps ensure that the results are valid and reliable.

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By matching the components involved with protein import into the ER with their cellular locations, we get:  

Signal recognition particle: 1. cytosol

Protein translocator: 3. ER membrane

mRNA: 1. cytosol

SRP receptor: 3. ER membrane

Active site of signal peptidase: 2. ER lumen

Several elements are crucial for protein import into the endoplasmic reticulum (ER). A cytosolic protein called the signal recognition particle (SRP) identifies and attaches to the signal peptide on the developing protein as it leaves the ribosome.

The SRP then directs the ribosome-nascent protein-SRP complex to the ER membrane's SRP receptor. The nascent protein is moved more easily over the ER membrane and into the ER lumen thanks to the protein translocator, which is also a component of the ER membrane. The ER lumen contains the signal peptidase active site, which cleaves off the signal peptide. The nascent protein's mRNA can be found in the cytosol as well.

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Answer:

The answer is specific enzymes

Bacteria in the gut secrete enzymes to break down polysaccharides to monomers which are then fermented into short-chain fatty acids like butyrate, propionate, and acetate.

Polysaccharides, or polycarbohydrates, are the most abundant carbohydrates found in food. They are long chain polymeric carbohydrates composed of monosaccharide units bound together by glycosidic linkages. This carbohydrate can react with water using amylase enzymes as catalyst, which produces constituent sugars.

The three main functions of polysaccharides are providing structural support, storing energy, and sending cellular communication signals. The carbohydrate structure largely determines its function.

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Answer: True.

i am pretty sure.

The mutated DNA sequence #1, AUG UAG AAC CGC UGC UGA, transcribes into AUC UAG AAU CGC UGC ACU, not "The Red Dog Ate The Rat" or "The Fat Dog Ate The Rat."

During transcription, the DNA sequence is transcribed into RNA, specifically messenger RNA (mRNA). In this case, the DNA sequence is converted to its complementary RNA sequence, where thymine (T) in DNA is replaced by uracil (U) in RNA. The correct transcribed RNA sequence for the given mutated DNA sequence is AUC UAG AAU CGC UGC ACU. However, it is important to note that this RNA sequence does not directly translate into the provided phrases "The Red Dog Ate The Rat" or "The Fat Dog Ate The Rat." Translation is a separate process where mRNA is decoded by ribosomes to synthesize a protein based on the genetic code.

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Answer:

There is no singing or chanting, just the muffled thump of drums.

Explanation:

Pollution may be defined as any form of unwanted substances or impurities which are present in the atmosphere of the earth that harm the lives of living entities.

Human and animal wastes, industrial wastes, and agricultural chemicals are potent sources of freshwater pollution.

Pesticides are generally spread in the agricultural fields to protect the crop from pathogens and are most likely to be found in runoff from farm fields during the rainy season.

An Estuary is a mini-ecosystem in which freshwater meets the marine water near the sea.

Therefore, it is well described above.

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Answer:

Typical magma temperatures exceed 10,000 degrees Celsius. Magma never contains dissolved gases. Magma forms when rocks melt. Magma always comes from the lower mantle.

Answer:

Explanation:

The lipid wont dissolve in the water.

Answer:

Oxygen-rich blood flows from the lungs back into the left atrium (LA), or the left upper chamber of the heart, through four pulmonary veins. Oxygen-rich blood then flows through the mitral valve (MV) into the left ventricle (LV), or the left lower chamber.

OR

The blood becomes oxygenated in the lungs. Oxygenated blood leaves the lung via the pulmonary vein. Blood moves into the left ventricle. Blood is pumped into the aorta, which carries oxygenated blood around the body.

Oxygenated blood leaves the lung via the pulmonary vein. Blood enters the left atrium. Blood moves into the left ventricle. Blood is pumped into the aorta, which carries oxygenated blood around the body.

The right ventricle pumps the oxygen-poor blood to the lungs through the pulmonary valve. The left atrium receives oxygen-rich blood from the lungs and pumps it to the left ventricle through the mitral valve. The left ventricle pumps the oxygen-rich blood through the aortic valve out to the rest of the body.

It carries oxygen and nutrients to the cells and picks up carbon dioxide and waste products. Systemic circulation carries oxygenated blood from the left ventricle, through the arteries, to the capillaries in the tissues of the body.

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Leukotriene is the eicosanoid that the drug probably inhibits that relieves bronchospasms. The chemical messenger molecule that is responsible for inducing inflammation, leukotriene, is a type of eicosanoid.

Eicosanoids are lipid molecules that are created from arachidonic acid, a polyunsaturated fatty acid located in cell membranes. Eicosanoids are involved in the regulation of a wide range of physiological processes in the body, including inflammation, immunity, and cardiovascular function.People with chronic asthma often take drugs that reduce bronchospasms.

Leukotrienes are one of the primary mediators of bronchoconstriction in asthma.Leukotriene receptor antagonists (LTRA), which block leukotriene action, are used to treat asthma. LTRA is particularly beneficial for people with asthma who have difficulty controlling their symptoms with standard inhaled corticosteroids.

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The cell described in the question, which forms concentric layers of plasma membrane around an axon, is most likely a Schwann cell, option (c) is correct.

Schwann cells are a type of glial cell found in the peripheral nervous system (PNS). One of their primary functions is to provide insulation to axons, which promotes the rapid conduction of action potentials. The concentric layers of plasma membrane around the axon form the myelin sheath, which acts as an electrical insulator.

This insulation allows for saltatory conduction, where action potentials "jump" between nodes of Ranvier, significantly increasing the speed of neural transmission. While other options, such as recycling neurotransmitters in synapses or supplying nutrients to neurons, are important functions within the nervous system, the description of concentric layers of plasma membrane specifically points towards the role of Schwann cells in insulation and rapid conduction, option (c) is correct.

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