How are cancer cells generated? Choose the correct answer.

Biology

1 answer:

uysha [10]2 years ago

8 0

Answer:

Its A- A mutation causes cells to divide without stopping.

Explanation:

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In a few generations, this population of beetles changed. Which is the most likely explanation for the change? The beetle popula

valkas [14]

Answer:

Greener habitat

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2 years ago

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A population of birds lives on a small island. Another population of the same species lives on the mainland. The distance betwee

Lera25 [3.4K]

Answer: B) an increase in gene flow between the bird populations.

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The formation of tiny island will connect the island and the mainland. The distance between the two habitats will reduce due to the tiny island which can also become another habitat for birds. Thus the gene flow will increase between the birds of two different habitats as the population of two habitats can mate and produce progeny.

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PLEASE HELP ASAP

Stels [109]

The right answer is B.

Nitrogen fixation is done by decomposers that are prokaryotes (bacteria).

<u>Take the example of legumes. </u>

The different species of rhizobia bacteria, which are able to infect the roots of legumes (Fabaceae family), are specific to certain host plants. Rhizobium phaseoli infects beans (Phaseolus sp).

Bacteria cause the formation of nodules on the roots by penetrating the root hairs, and transform into larger "bacteroids". The nodules are the seat of a symbiotic activity in which the plant provides the sugars and energy from photosynthesis, and in return benefits from the amino acids that are produced there.

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3 years ago

What percentage of the total energy consumed was converted to forms that were unusable to become new growth for the chipmunk?

mrs_skeptik [129]

The percentage of energy that is unusable is obtained as 96.1 %.

<h3>What is the percentage of unusable to become new growth for the chipmunk?</h3>

We know from the law of conservation of energy that energy is neither created nor destroyed in the ecosystem but is converted from one form to another. We know that the ecosystem is a self supporting system in which there is an exchange of materials and energy. Energy flows from the producers to the consumers and some of this energy is dissipated along the way and is lost as heat during the transition.

The metabolic activities of an organism takes up some part of the energy that it receives from the sun.

From the question, we know that the energy consumed is 1000 J and the energy that is lost to waste and to respiration is 177 J and 784 J respectively. This implies that the available energy is 39J.

The percent of energy that is usable is; 39 J/100J * 100/1 = 3.9 %

The percent of energy that is unusable is; 961 J/1000 J × 100 % = 96.1 %

Learn more about energy in the ecosystem:brainly.com/question/13979184?

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