What happens to DNA before cell division?

Answers

Answer 1

Answer: Since two daughter cells will be created during cell division, the DNA needs to duplicate itself so that each cell gets the same DNA as the parent cell. it then condenses into chromosomes that are symmetrical, with each sister chromatid on either side containing identical information.

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which animal can leave its eggs to hatch and does not need to take care of the infants? A ducks B sea turtles C frogs D penguins

Answers

the answer is B) sea turtles

I took this quiz too, the answer its B.) Sea Turtles.

On a remote island in the Pacific, geographical isolation ensured that the human population had auburn colored hair for several generations before intermingling led to a change in hair color. What pattern and kind of evolution is this an example of?

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I think it'd be change in allele frequencies & microevolution.

The Answer is The First Choice : Change in Allele Frequencies and MicroEvolution .

Greg is 5 feet three inches tall and weighs 260 pounds. According to his _______greg is obese. A. Metabolism
B. Obesity index
C. Weight set point
D. Body mass index

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Answer:

Explanation:

The answer is D. Body mass index

What are Centriole? And what do they do?

Answers

Answer:

In cell biology a centriole is a cylindrical organelle composed mainly of a protein called tubulin.Centrioles are found in most eukaryotic cells.

HOPE IT'S HELPFUL!

n cell biology a centriole is a cylindrical organelle composed mainly of a protein called tubulin. Centrioles are found in most eukaryotic cells. A bound pair of centrioles, surrounded by a shapeless mass of dense material, called the pericentriolar material, makes up a structure called a centrosome.

When warm air from a large body of water moves quickly into a land area of cold air, we can expect _________ to occur where the two air masses meet. A) fog B) low humidity C) thunderstorms D) a gentle sea breeze

Answers

Answer: The aswre is c

Explanation:

When warm air from a large body of water moves quickly into a land area of cold air, we can expect precipitation to occur were the two air masses meet. The ingredients for a thunderstorm are moisture, unstable air and lift. You need moisture to form clouds and rain. You need unstable air that is relatively warm and can rise quickly, and you need lift. This can form from fronts, sea breezes or mountains.

your answer is C. because its kinda like a tornado when hot and cold collide there is a storm. I am about 90% confident with my answer but i wuold double check.

Is salad living or nonliving

Answers

Salt, oil and vinegar are nonliving, although the latter two are derived from once-living things.

There are likely to be living cells in fresh fruits and vegetables; you might be able to sprout seeds, for example. There will be live bacteria in buttermilk, sour cream, yogurt, and some cheeses. Anything preserved (e.g. raisins, olives, bacon) is dead.

living thing because Salt, oil and vinegar are nonliving, although the latter two are derived from once-living things.

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