3 years ago

ASAP

Biology

1 answer:

Jlenok [28]3 years ago

4 0

I <em>believe</em> we can tell that the universe is expanding due to <u>redshift light. Option D.</u>

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What is meant by transpiration is a necessaru evil?

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In plants, transpiration is a process which is inevitable but potentially harmful, because it can cause loss of water. Loss of water can lead to wilting and eventual death of the plant. Even a little stress can interfere with the plant's growth process.

But, at the same time, transpiration is necessary because of a number of reasons - the transpiration stream aids the processes of mineral absorption, water absorption, energy exchange, helps provide the plant with optimum turgidity, it helps the exchange of gases and so on.

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C precipitation because if you look at the diagram, you will see it is raining on the mountains.

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Inhibition of transcription by lac repressor involves its binding to the promoter

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The correct option is b (false).

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As is is cleared from the figure that when lactose is absent, the lac repressor binds tightly to the operator. It gets in RNA polymerase's way and prevent transcription.

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