Is genetic diversity due entirely to inherited genes on the sex chromosomes?
A) Yes, because the female has two X chromosomes and the male has only one X chromosome.
B) Yes, because the male has a Y chromosome.
C) Yes, because genetic diversity is due to the Y influence on the autosomes.
D) No, because genetic diversity has nothing to do with the sex chromosomes but is due to crossing-over of chromosomes, independent assortment of chromosomes, and segregation of chromosomes.

True. In sexual life cycles, fertilization and mitosis alternate to produce offspring. After fertilization, the zygote undergoes mitosis to develop into a multicellular organism.  

Then, the organism produces gametes through meiosis for fertilization to occur again.

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Answer:

Narwhal is cool.

Explanation:

Not big fan of snakes. But the sound Viper would sound cool in a car model.

True statements are:

All cells have a nucleus.

All cells die.

All cells have a membrane.

Answer:

1 num write

3 num write

4 num write

5 num write

Answer:

boiling/vaporization

Explanation:

liquid evaporates, becoming gas

Answer:

Benefits of Sage

1.Relieving headache and sore throat pain.

2.Reducing oxidative stress in the body.

Side effects

.If consumed in excess, sage can trigger potentially serious side effects, including restlessness, vomiting, dizziness, rapid heart rate, tremors, seizures, and kidney damage. Sage essential oil is especially toxic, causing adverse symptoms with as few as 12 drops.

Answer:

Answer:

The mammal that retains its embryo in its uterus for the full term of the pregnancy is the bat. A koala and the kangaroo both carry their babies to term in pouches.

Explanation:

Answer:

Phenotype

Explanation:

"only four phenotypes result from the six possible ABO genotypes. How does this happen? To understand why this occurs, first note that the A and B alleles code for proteins that exist on the surface of red blood cells; in contrast, the third allele, O, codes for no protein."

Sorry if im wrong

Answer:

Directional selection, stabilizing selection and disruptive selection are three types of natural selection. They are also examples of adaptive evolution. ... Selection pressures act against organisms that do not have favorable traits and they are removed from the population.

Explanation:

The nurse is aware that the only class of immunoglobulins to cross the placenta is IgG. Option  A. is correct.

Immunoglobulin G (IgG) is the predominant antibody class in the bloodstream and is capable of crossing the placenta from the mother to the fetus. This transplacental transfer of IgG provides passive immunity to the newborn during the early stages of life when their own immune system is not fully developed. Maternal IgG antibodies provide protection against various infections that the mother has encountered, helping to confer temporary immunity to the infant.

On the other hand, IgD, IgM, and IgA antibodies do not cross the placenta to a significant extent. IgD is primarily found on the surface of B cells and is involved in their activation. IgM is the first antibody produced during an initial immune response, but it is too large to cross the placenta effectively. IgA is primarily found in mucosal secretions such as saliva, tears, and breast milk, but its transfer across the placenta is limited.

Therefore, the correct answer is A. IgG.

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the nurse is aware that the only class of immunoglobulins to cross the placenta is:  

A. IgG

B. IgD

C. IgM

D. IgA

The function of sphincters in the digestive tract is to regulate the flow of food. There are many sphincters throughout the digestive system that help to regulate the flow of food, bile, and other substances.

Sphincters in the digestive tract is to regulate the flow of food. They act as muscular valves that help to control the movement of food and prevent it from flowing backward once it has moved into the next section of the digestive system. A sphincter is a muscle that surrounds an opening in the body and regulates its closure and opening.

When a sphincter is contracted, it blocks the passage of materials through the opening. When it relaxes, it opens the passage and allows materials to pass through. There are many sphincters throughout the digestive system that help to regulate the flow of food, bile, and other substances.

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Answer:

Bengal Tiger is correct!

Explanation:

Enjoy your day guys and gals

High pressure can negatively affect E. coli ribosomes by disrupting their structure, inhibiting protein synthesis, reducing ribosomal fidelity, and potentially causing the disintegration of ribosomal integrity

E. coli is considered a barosensitive organism, meaning it is sensitive to high pressure. When exposed to high pressure, the ribosomes of E. coli can experience several detrimental effects.

1. Disruption of ribosomal structure: High pressure can induce changes in the conformation and stability of ribosomal components. The increased pressure can alter the interactions between ribosomal subunits, ribosomal RNA (rRNA), and ribosomal proteins, leading to structural disruptions. These alterations can impair the overall functioning of ribosomes, compromising their ability to accurately translate mRNA into proteins.

2. Inhibition of protein synthesis: High pressure inhibits the activity of E. coli ribosomes, resulting in reduced rates of protein synthesis. The pressure-induced changes in ribosomal structure and dynamics can interfere with the proper binding of mRNA, tRNA, and other necessary factors involved in protein synthesis. This inhibition leads to a decrease in the production of essential proteins required for cellular processes.

3. Reduced ribosomal fidelity: High pressure can negatively impact the fidelity of protein synthesis by E. coli ribosomes. The accuracy of translation, ensuring the correct incorporation of amino acids into proteins, can be compromised under high-pressure conditions. This can result in the production of faulty or non-functional proteins, which can affect cellular functions and overall bacterial viability.

4. Disintegration of ribosomal integrity: Excessive pressure can physically damage E. coli ribosomes, potentially causing disintegration or rupture of ribosomal subunits. The high-pressure environment can disrupt the stability of ribosomal components, leading to a loss of ribosomal integrity. This damage impairs the ribosomes' ability to function properly and contributes to reduced protein synthesis capabilities.

In conclusion, high pressure negatively affects E. coli ribosomes by disrupting their structure, inhibiting protein synthesis, reducing ribosomal fidelity, and potentially causing the disintegration of ribosomal integrity. These effects can lead to decreased protein synthesis efficiency, impaired cellular functions, and reduced viability of the bacterium under high-pressure conditions. However, it's important to consider that the specific impacts may vary depending on factors such as the magnitude and duration of pressure exposure, temperature, and the presence of protective mechanisms within the organism.

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Answer:

Genes are a section of DNA that are in charge of different functions like making proteins. Long strands of DNA with lots of genes make up chromosomes. DNA molecules are found in chromosomes. Chromosomes are located inside of the nucleus of cells.

Hope this helps....

Have a nice day!!!!

Some viruses such as Bacteriophage T4 can interfere with the processing of the cell and affect cellular activities. Viruses cannot independently replicate, synthesize all of their proteins, or replicate their own genes. They are also referred to as parasites of other lifeforms' cells in order to survive.

DNA, RNA, and protein are the macromolecules that many viruses prevent from being made in the host cell. Viruses can also alter protein-protein interactions and cellular transcriptional activity, facilitating the efficient production of progeny viruses.

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In this situation, I would try not to allow the exploitation of the mountain to occur, degrading nature and the property that her family has, because her brother may look for another job, but nature would not recover.

The burning of coal for energy produces highly toxic effluents, such as mercury and other heavy metals such as vanadium, cadmium, arsenic and lead. In addition, the release of carbon dioxide causes pollution in the atmosphere, exacerbating global warming and contributing to acid rain.

With this information, we can conclude that Sedimentation and pollution of rivers due to improper disposal of unused material would make life on the family's property unfeasible.

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Answer:

It needs to be revisited because of the random acts of violence that it enables.

Explanation:

People that have access to weapons of mass destruction use them to kill people for no reason. For example, the sandy hook shooting, the recent Stoneman Douglas shooting, and the Christchurch shooting. All these shootings could have been prevented if there was stronger gun control. If people did not have access to automatic firing machine guns, less people would have died.

* DISCLAIMER *

All ideas expressed in this answer do not necessarily reflect my person views, they are meant for educational purposes, not to spark a debate about the 2nd amendment, do not get offended. (put this in cus some peeps crazy)

Answer:

phenylalanine (foods with protein)

Explanation:

brainliest?

The four pay-setting approaches are job evaluation, market pricing, internal equity, and individual evaluation.

Job evaluation is a structured process that assesses the relative worth of different jobs within an organization based on predetermined criteria to get profit.

Market pricing compares a job’s worth to similar jobs in the labor market, setting a salary accordingly. Internal equity compares a job’s worth to the wages of other positions in the organization.

Finally, individual evaluation sets a salary based on the individual’s qualifications and experience. Each of these approaches places different levels of emphasis on external and internal comparisons.

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Answer:                              

Explanation:

Answer:

D

Explanation:

Answer:

Explanation:

Just took the test

Answer:

B- Rocks are an abiotic factor because they have never been alive.

Explanation:

Edge 2020 got an 100

Answer:

syndesmosis

Explanation:

fibrous joint in which two adjacent bones are linked by a strong membrane or ligaments. This definition also applies for the distal tibiofibular syndesmosis, which is a syndesmotic joint formed by two bones and four ligaments.

Answer:

a.

Explanation:

stimulus, receptor detects changes, input info and output info(signal), response

a. 1. Stimulus, 2. Receptor, 3. Signal, 4. Response

Homeostasis is any self-regulating process by which an organism tends to maintain stability while adjusting to conditions that are best for its survival.

If homeostasis is successful, life continues; if it's unsuccessful, it results in a disaster or death of the organism.

Proper sequence of events in maintaining homeostasis:

Therefore, the correct option is a.

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The natural solute concentration inside a potato cell have an osmotic potential of 0.2 M.

Potatoes have an osmotic potential of 0.2 M, which is the isotonic point of no net movement of water molecules across the potato cell's membrane.

What is osmotic potential?

Osmotic potential is known as the results from dissolved solutes in cell sap and is proportional to solute concentration and inversely proportional to cell water volume.

The potato was placed in 0.1 M of glucose and experienced a positive change in mass and this shows that the potatoes have a low solute concentration.

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Enzyme activity can be determined (b) by measuring how much of the substrate is consumed aces and (c) by measuring how much of the product is produced O determining when the amount of substrate is equal to the amount of product.

Usually, the purpose of cultivating bugs in a plant is to increase enzyme activity. A biological catalyst is an enzyme. They decrease activation energy, just like other catalysts, enabling processes to go in the desired direction.

They are often sensitive to the temperature, pH, and salt content of the environment they function in since their action depends on the folding of a protein. There are few exceptions to this rule, such as the enzymes used in washing powder, but generally speaking, activity may be reduced (reversibly) when slight departures from their tolerance limits occur.

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The normal consequence of the activation of the heat-promoting center is: (1) release of epinephrine.

Heat promoting center is the region of the brain involved in the increase in body temperature. The hypothalamus normally regulates the body temperature and the posterior region of the hypothalamus distinctively works in the increase or promotion of heat.

Epinephrine is the hormone released from the adrenal gland during the conditions of stress. This hormone is released during the stressful situations which makes the body active to react in such situations. The hormone can increase heart rate, blood pressure and body temperature. Epinephrine can act as a neurotransmitter as well.

Therefore, the correct answer is option 1.

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