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Nutka1998 [239]
3 years ago
12

Help plzzzz!!

Biology
1 answer:
pav-90 [236]3 years ago
6 0
The generation of electricity through nuclear energy reduces the amount of energy generated from fossil fuels. Less use of fossil fuels means lowering greenhouse gas emissions and others.
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n mice, having black fur (B) is dominant to white fur (b). If two mice are crossed and the offspring are Bb, what is the phenoty
muminat
I think its B grey fur
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3 years ago
Three boats were moving across the surface of a smooth lake. The gray and pink boats have the same mass, and both of these boats
garik1379 [7]

Answer: There is no diagram but I had this on a test last week. The answer is the gray and pink boats experienced the strongest force because they are both more massive than the orange boat, and they all changed speed by the same amount.

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3 years ago
Why is weeding flower beds so imprortant?
Maurinko [17]

Answer:

It's important to rid your garden of weeds because they rob your soil and your plants of important nutrients and water.

Explanation:

For Example: Certain weeds such as nut grass actually reduce crop yield on farms because their roots release chemicals that are harmful to surrounding plants.

5 0
3 years ago
During which phase of mitosis do chromosomes line up at the spindle equator? Group of answer choices prophase metaphase telophas
Inessa [10]

Answer:

metaphase

Explanation:

Think "m" for "middle"

3 0
4 years ago
A student isolates, purifies, and combines in a test tube a variety of molecules needed for DNA replication. After adding some D
aivan3 [116]

Answer:

DNA ligase

Explanation:

DNA replication is an enzyme mediated, 3-step process during which the DNA molecule produces a copy of itself. The 3 steps involved are as follows;

  • initiation
  • elongation
  • termination

<em>Initiation </em>involves the unwinding of the double helix structure of the DNA using DNA helicase enzyme

<em>Elongation</em> involves binding of RNA primer to the DNA strands and addition of bases to the primer<em> </em>to elongate the new chains. Bases are added to the leading strand continuously while the lagging strand is replicated in short segments (okazaki segments).

<em>Termination</em> involves the unbinding of RNA primer and substitution of its bases by DNA bases. The Okazaki fragments are then joined together using the DNA ligase enzyme.

<em>The short, numerous segments of DNA observed in the mixture is the Okazaki fragments of the lagging strand. This is due to the absence of the enzyme involved in the joining of these fragments.</em>

Hence, the answer is DNA ligase.

4 0
3 years ago
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