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Butoxors [25]
2 years ago
12

A new mutation that arose in one copy of gene Xin a somatic cell resulted in the formation of atumor. Which of the following pie

ces of evidencebest describes how the new mutation directlycaused the tumor?(A) Protein X normally stimulates cell division,(B) Protein X normally activates a growth(C) Protein X normally prevents passage through(D) Protein X normally regulates geneand the mutation created an overactive
Biology
1 answer:
olchik [2.2K]2 years ago
6 0

Answer:

<h2>(A) Protein x normally stimulates cell division.</h2><h2 />

Explanation:

Protein who stimulates cell division are known as proto-oncogenes. If there is a mutation in proto-oncogene ,then this gene is converted into oncogene which causes cancer. Here protein x ( proto-oncogenes) normally stimulates cell division, if new mutation occurs in this gene, then this gene is converted into oncogene and resulted in the formation of cancer.

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Your normal heartbeat before exercise is called your ____________________.
defon

Answer:

Heart rate i think

Explanation:

6 0
3 years ago
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A bacterium that you isolated from pond water appears to use light for energy. Based upon this information, you inoculate the or
Dima020 [189]

Answer:

There was no sulfur compound added to the medium, that could be used as an electron donor.

Explanation:

Bacteria that use light for energy requirements mean that they get their energy from photosynthesis and transferring energy through the molecules.

Bacteria play a major part in the reductive and oxidative cycle of the sulfur which is mediated by the help of photosynthetic bacteria, so the sulfur or sulfur compounds are major requirements for their growth in the habitat or the medium.

Thus, the correct answer would be- There was no sulfur compound added to the medium, that could be used as an electron donor.

3 0
2 years ago
Which statement correctly compares and contrasts the three stages of cellular respiration that occur in the presence of oxygen?
Sonbull [250]
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5 0
3 years ago
Tiles: Sole; Proprietorship; Partnership; Corporation; Limited liability corporation
disa [49]
<h2>Answer</h2><h3>1)</h3>

<em>The business owners’ personal assets are protected from liabilities, but the business is not a separate tax entity </em>Limited liability corporation.<em> </em>

Limited liability corporation is not considered separate from its owners for tax purposes.

<h3>2)</h3>

<em>A single individual is personally responsible for all liabilities incurred by the business </em>Sole Proprietorship.

The business is owned and run by one person, and owner and business are considered as a same entity.

<h3>3)</h3>

<em>One business owner may contribute less time and effort than the other, leading to disputes and bitterness </em>Partnership.

The business is owned and run by more the one person which means there is more than one owner.

<h3>4)</h3>

<em>The business structure is strictly regulated by the government, requires an overwhelming amount of paperwork, and involves high start-up costs </em>Corporation.

A corporation is a legal entity that is separate and distinct from its owners.

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3 0
3 years ago
What does a karyotype show?
sweet [91]
Its c the number of chromosomes in a cell. I hope this helped
6 0
3 years ago
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