A scientist thinks that a certain chemical is a mutagen. She exposes plant cells to a large amount of this chemical in

Biology

2 answers:

alina1380 [7]4 years ago

6 0

Cells change after being exposed to chemicals. :))))

expeople1 [14]4 years ago

4 0

Answer:

i will say The cells change after being exposed to the chemical and this change is passed to the next generation of cells. as the answer

Explanation:

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How does leaf structure best represent the relationship between structure and function? It indicates the maximum height an organ

vova2212 [387]

Answer:

The correct answer is - *It relates directly to the characteristics of the plant's environment*

Explanation:

The relationship between structure and function can be represented by the leaf structure as the structure of a particular plant leaf gives an idea about the characteristics of the environment it is habituated.

In the dry area or deserted area, leaves are modified into spikes to save water in order to lower transpiration, number of waxy coating, number of chlorophyll, and other modifications that give an idea about the environment and light intensity, and other characteristics.

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adelina 88 [10]

Dominant. Lowercase would be recessive.

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3 years ago

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After 24 hours, the amount of gas that accumulated at the top of the inverted test tube is measured. The students conclude that

vodka [1.7K]

Attached is an image that wherein the question is being referred from.

There are choices for this question namely:

A- gravity increased the downward ﬂow of the trapped water
B- metabolism of the elodea plants absorbed CO2 from the water
C- heat from the light source caused the escape of dissolved gas
<span>D- light caused the elodea plants to photosynthesize, releasing O2 gas
</span>
The correct answer is that light caused the Elodea plants to photosynthesize, releasing O2 gas. Choice A is not true as if gravity increased the downward flow of the water, then the model without light should have air accumulated in the test tube too. In Choice B, while it is true that the plant may have absorbed the dissolved CO2 in water, this does not explain why there is gas on top of the test tube. Choice C may only evaporate the water, not cause the escape of dissolved gases. In choice D, however, light caused the Elodea plants to perform photosynthesis releasing O2 gas compared to the other model without light wherein the plant cannot perform photosynthesis thereby not releasing O2 gas therefore no gas is seen on top of the test tube.