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Alina [70]
3 years ago
15

Can footprints be fossils? Explain your answer.

Biology
1 answer:
lora16 [44]3 years ago
8 0
Fossils are footprints but they are called Trace Fossils it has some DNA of your foot which stays on the floor and people can study that when their are crimes
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Which of the following molecular motors is associated with intermediate filaments?
azamat

Answer: d. none of the other answers

Explanation:

Enzymes that turn chemical energy into mechanical work are molecular motors.

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The most important feature of intermediate filaments is to provide the plasma membrane with mechanical support where it comes into contact with the extracellular matrix and other cells.

Unlike microtubules and microfilament , intermediate filaments are not involved in motility of the cells, hence do not associat with molecular motors.

Hence, the correct option is d.

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3 years ago
In the following compound (HCl), can you please tell me the following:
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Answer:

covalent bond

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hydrogen gains 1 chlorine gains 1

Explanation:

covalent bond as atoms share electrons to achieve full outer shell if electrons

hydrogen gains one to achieve 2 electrons in outer shell

chlorine gains 1 to achieve 8 electrons in outer shell

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2 years ago
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