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Inessa [10]
3 years ago
11

Proteins encoded by the ____ genes turn off or decrease the rate of cell division.

Biology
1 answer:
slava [35]3 years ago
3 0

Answer:

C. tumor suppressor

Explanation:

Tumor suppressor genes encode for proteins which inhibit cell proliferation in some way. One copy of this gene is sufficient to control cell proliferation so both the alleles must be mutated to promote tumor development. Mutation may be a deletion or point mutation.

Tumor suppressor genes are known to code for five classes of proteins:

  • Intracellular proteins which inhibit cell proliferation through specific stage of cell cycle
  • Receptors for hormones that inhibit cell proliferation
  • Apoptosis promoting proteins
  • Enzymes involved in DNA repair
  • Check point control proteins that arrest cell cycle on detecting any abnormality
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At the equator, there are no
NISA [10]

The reason why at the equator, there are no summers or winters, only wet and dry seasons is : Because at the equator the daytime, night time, temperature and sunlight are moderate.

<h3>Meaning of equator</h3>

An equator can be defined as an imaginary line that runs from west to east thereby dividing the earth into two equal part.

The equator divides the earth into the northern and southern hemispheres. because the equator is at the middle every thing that is experienced there is moderate, unlike the those at the polar region.

In conclusion, The reason why at the equator, there are no summers or winters, only wet and dry seasons is Because at the equator is at the middle and therefore the daytime, night time, temperature and sunlight are moderate.

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4 0
2 years ago
white blood cells; formed elements involved in body protection that take part in inflammatory and immune responses are:
svetoff [14.1K]

Neutrophils They kill and then digest the bacteria and the fungi. They are the most numerous type of the white blood cell and your first line of the defense when the infection strikes.

A high level of neutrophils in the blood is called neutrophilia. This is a sign that your body is infected. Neutrophilia can indicate many underlying conditions and factors, including: Infection, possibly bacteria. They capture and destroy invading microbes through phagocytosis and intracellular degradation, release of granules, and formation of neutrophil extracellular traps upon detection of pathogens. Neutrophils are also involved as inflammatory mediators. What is the most common cause of high neutrophils? infection. This is the most common cause of high neutrophil counts. Most bacterial infections cause elevated neutrophil counts, but not all. Viral infections generally do not cause neutrophilia, but it can occur early in the infection.

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5 0
2 years ago
Which of the following are examples of what scientists can learn from studying fossils?
FrozenT [24]
The answer is a and c
7 0
2 years ago
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Which of the following is an example of specific immunity?
zvonat [6]

Answer:

Immunity to Small Pox

Explanation:

Over the years, Europeans had built up an immunity to smallpox because many had contracted the disease and still survived. As the population grew children were born with some immunity to the disease. When the Europeans arrived in the Americas, and smallpox spread around the native peoples, the Europeans did not contract the disease because they were immune. However, since the natives were not immune, they slowly died of due just to the disease as well as some parts of the war between the europeans.

4 0
3 years ago
What is osmosis and what would be required for osmosis to occur across the plasma membrane of a cell? What is osmotic pressure?
saul85 [17]

Answer:

Because it is zoo

Explanation:

B, it is cause I took da testtt

6 0
3 years ago
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