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Vsevolod [243]
4 years ago
7

Need help please ! I appreciate it!

Biology
1 answer:
grigory [225]4 years ago
6 0
D. The permain. Had the largest mass extinction
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Which region of the operon does the repressor bind to? operator promoter structural genes
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Answer:

To the operator of the operon

Explanation:

A repressor binds to the operator of the operon. This blocks the attachment of RNA polymerase to the promoter, preventing transcription of the genes.

You can see the different elements of the operon and the region where the repressor binds in the image below (lac-operon):

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How do the resulting cells at the end of meiosis compare to the original cell from the beginning of meiosis?
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The daughter cells come together to make another identical parent cell.

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What is the probability of producing a child that will phenotypically resemble either one of the two parents in the following fo
IgorC [24]

The best way to know the probabilities here is to do each cross and see the results.

a. Aa Bb Cc Ddx aa bb cc dd

Aa Bb Cc Dd

Aa Bb Cc Dd

aa bb cc dd

aa bb cc dd

You have 50% chances of Aa Bb Cc Dd which is phenotypically the same as one of the parents, and 50% chances of aa bb cc dd which are phenotypically the same as one of the parents.

b. aa bb cc dd x AA BB CC DD

aA bB cC dD

aA bB cC dD

aA bB cC dD

aA bB cC dD

You have 100% chances of having aA bB cC dD offspring, and it will be phenotypically the same as the AA BB CC DD because of the dominant allele.

c. Aa Bb cc Ddx Aa Bb cc Dd

AA BB cc DD

Aa Bb cc Dd

aA bB cc dD

aa  bb cc dd

You have 25% chances of AA BB cc DD, 50% chances of Aa Bb cc Dd which are phenotypically the same as both the parents and 25% chances of aa bb cc dd.

d. aa bb cc dd x aa bb cc dd

aa  bb cc dd

aa  bb cc dd

aa  bb cc dd

aa  bb cc dd

You have 100% chances of having aa  bb cc dd which are phenotypically the same as both the parents.

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The ability to blank is an adaptation to avoid predators
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The correct answer is to move bro
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Where should the hyphen be placed?
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The answer is B. For example ex-boyfriend or ex-wife
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