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zimovet [89]
2 years ago
15

You cross nonpure tall plants (Tt) and produce 200

Biology
1 answer:
anyanavicka [17]2 years ago
6 0

Answer:

C is the best answer

Explanation:

the dominate trait is in 3 of the four boxes

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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
3 years ago
What do arteries do in a frog
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3 years ago
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The correct answer is True!

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Write a hypothesis that explains how the Hawaiian island chain formed. Explain your hypothesis. Describe how your data supports,
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My hypothesis is that the Hawaiian Island chain was formed by a hot spot in the middle of the Pacific Plate. While the hot spot itself is fixed, the plate is moving. My data supports my hypothesis because as the plate moved over the hot spot, the islands that make up the Hawaiian Island chain were formed.

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The following list contains possible combinations for pea plant seed color. Yellow (Y) is a dominant trait, and green ( y ) is a
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