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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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State one of the goals of environmental science and why it is important.
telo118 [61]

Answer:

One of the major goals of environmental science is to understand and to solve environmental problems. In order to accomplish this goal, scientists study two main types of interactions between humans and their environment. One area of focus is on how we use natural resources, such as water and plants.

Explanation:

Environmental science is important because it enables you to understand how these relationships work. For example, humans breathe out carbon dioxide, which plants need for photosynthesis. Plants, on the other hand, produce and release oxygen to the atmosphere, which humans need for respiration.

8 0
3 years ago
A cell that contains chloroplasts, a nucleus, and mitochondria is discovered. Biologists might decide it could
Tom [10]

Answer:

eukaryotic cell

Explanation:

because prokaryotic cells lack nucleus

5 0
2 years ago
Read 2 more answers
Rank the 5 impacts humans have on the environment in order from easiest to fix to hardest to fix and
lbvjy [14]

Answer:

The 5 impacts humans have on the environment in order from easiest to fix to hardest to fix is explained below in details.

Explanation:

Humans impact the physical surroundings in various forms: pollution, smoking fossil fuels, overpopulation, including deforestation. Developments like these have triggered climate modification, soil erosion, poor air quality, and impure water.

The Biggest Environmental Problems

  • Biodiversity Decline.
  • Plastic Pollution.
  • Deforestation.
  • Air Pollution.
  • Agriculture.

3 0
3 years ago
Explain what causes spring and neap tides, and identify
krok68 [10]

Answer:

Spring tides occur when the sun, moon and earth are lined up, and it causes high and low tides to be much higher (moon is full/new). Neap tides occur when the sun, moon, and earth form a right angle this causes regular high and low tides to be much lower (first quarter and last quarter moon). The moons gravity and suns gravity pull the earths crust and ocean water.

Explanation:

5 0
2 years ago
Read 2 more answers
To compare the relative ages of fossils, scientists sometimes use an easily recognized
Natalka [10]
<h2>Answer:</h2>

The fossil is <u>A) </u><u>Index fossil</u>.

<h2>Explanation:</h2>

Index fossils refer to the type of fossil which is used to characterize and distinguish geologic periods. Due to this function of index fossil, they are also called as guide fossil or indicator fossil.  These fossils must have a short vertical range, wide geographic circulation, and quick developmental patterns.

Another term, Zone fossil is utilized when the fossil have every one of the characters expressed above with the exception of wide topographical dispersion, they are restricted to a zone and can't be utilized for relationships of stratas.

7 0
3 years ago
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