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3 years ago

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A fiber is collected at a crime scene. when viewed under a com-pound microscope, what two traits would indicate that the fiber w

as a human hair and not a piece of fiber obtained from an article of cloth-ing?

2 answers:

Ymorist [56]3 years ago

7 0

human hair and dna test!!

aleksley [76]3 years ago

4 0

Human hair D.N.A test

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If a goal post was separated into the four pieces that make up the base,the crossbar, and the arms, and all four pieces were lai

erma4kov [3.2K]

Answer:

68 1/2 foot length

Or 22 5/6 yards.

Explanation:

The yard length of the part of the goal post

The base (10 foot)

The crossbar (18 1/2 )

And two arms (20 foot each)

Let's sum up the total yards

=(10 + 18 1/2 + 20 +20) foot

= 68 1/2 foot length

Or 22 5/6 yards.

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3 years ago

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EleoNora [17]

Answer:

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Explanation:

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A researcher while working in vitro (outside cell) added helicase enzyme which resulted in the untwisting of the DNA helix. But

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The answer is <span>Topoisomerase.

Topoisomerase is an enzyme responsible for twisting of DNA helix. After DNA strand is untwisted by helicase enzyme, DNA must be twisted again so the normal function of DNA can be sustained. If left untwisted, the replication fork will continue to grow, the normal function of DNA will stop.</span>

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lakkis [162]

Answer:

higher energy of reactants

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4 years ago

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three children exhaust themselves trying to push a large rock that does not budge. have they done any work? explain your answer.

qwelly [4]

No, because it says "does not budge" which means it doesnt move at all.

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