A fossil mold that reflects the shape and surface markings of an organism is created when

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Answer 1
Answer: Mud gets an imprint. The imprint hardens and dries. Eventually over thousands of years, it becomes rock as layers of the earth preserve it.

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Which modification is crucial in preparing an mRNA strand for proper translation? removal of introns and the splicing together of exons joining of ribosomal subunits to form a ribosomal complex removal of exons and the splicing together of introns addition of a poly-A tail addition of a poly-U tail

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Removal of introns and the splicing together of exons.

Introns are regions of the DNA code that do not code for amino acids; therefore, they need to be removed before the mRNA strand is translated. Exons are the parts of the strand that do code for proteins, so they need to be pieced together once the introns are removed.

1. What animals do you think
Darwin was describing in his
entry?

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is there a picture to go with this?
you need a picture of ur assignment

What is one role that lipids play in the body

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Lipids store energy in the body.
Hope that helped you.
Hey there

One role that lipids play in the body is that they store energy in the body. 

True or false, the attraction of opposite charges between hydrogen and oxygen forms a weak oxygen bond

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This statement is false

That would created a stronger bond

The answer to this because I have no clue

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The answer would be C, 50% because you would to set up a punnett square with Dd on the top then DD on the side then cross the two

Name the organ where ammonia converted in to urea.

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The organ is the Liver. (Converts the ammonia) 

Answer:

Liver

Explanation: