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Kazeer [188]
3 years ago
7

Do both plz

Biology
1 answer:
ohaa [14]3 years ago
5 0

Answer:

Search resources yourself.

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Under which conditions are the lac structural genes expressed most efficiently?
madam [21]

Lac genes are most effectively expressed in presence of Lactose and its analogs when glucose is absent.

Explanation:

A unit of prokaryotic gene expression and regulation,which includes structural genes and regulatory sequences recognized by regulatory gene product is called operon.

<em>Lac </em>structural genes are a part of<em> Lac</em> operon. The <em>Lac </em>operon consists of three, structural genes,an operator and a promoter.The product of Lac operon is involved in the conversion of disaccharide lactose into glucose and Galactose.

Lactose and its analogs are inducers of<em> Lac </em>operon. So, the structural genes are best expressed in presence of Lactose. Glucose and galactose are repressors of lac gene so the genes are repressed in presence of glucose.

4 0
2 years ago
Which is NOT a type of bone tissue? compact sponge surface marrow
Crazy boy [7]
Compact sponge is the answer :3
5 0
3 years ago
Click an item in the list or group of pictures at the bottom of the problem and, holding the button down, drag it into the corre
ludmilkaskok [199]

Answer:

What

Explanation:

Please explain this better, I understand it but im not sure how anyone would do it

8 0
3 years ago
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Complete the following analogy
DaniilM [7]
I don’t know but it’s either b or c
4 0
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The microorganisms that do not have a nucleus in their cells are called:
Monica [59]

Answer:

d

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prokareyote or bacteria does not have a nucleus.

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