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meriva
3 years ago
5

Define a chromosome and give more details about it​

Biology
2 answers:
solmaris [256]3 years ago
7 0
In the nucleus of each cell, the DNA molecule is packaged into thread-like structures called chromosomes. Each chromosome is made up of DNA tightly coiled many times around proteins called histones that support its structure.

Chromosomes are not visible in the cell’s nucleus—not even under a microscope—when the cell is not dividing. However, the DNA that makes up chromosomes becomes more tightly packed during cell division and is then visible under a microscope. Most of what researchers know about chromosomes was learned by observing chromosomes during cell division.


SCORPION-xisa [38]3 years ago
6 0

Answer:

a chromosome is an organelle located in the nucleus of both animal and plant cells. it's main purpose is to carry DNA.

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If a cell has the ability to take in water, food molecules, and other necessary materials it indicates it is capable of
sveticcg [70]

Answer:

Nutrition

Explanation:

Here, the answer cannot be absorption or digestion just because they are asking about intake of food, water and minerals. Digestion is a full fledged process during which food is chemically and mechanically transformed into a form through which energy can be obtained. The oprocess of digestion requires a complete digestive system that can be as simple as a vacuole in unicellular organism like eubacterium or as specialized as those of mammals like humans. Its not just about intake of food, but process of food transformation.

On the other hand, nutrition at cellular level is the process in which nutrients are obtained in any form, whether minerals, food or water. These nutrients act as our dietry supplementation and constitute the basics of our healthy diet.

Therefore, Nutrition is the correct answer.

Hope it helps! :)


3 0
3 years ago
Convert 330 minutes to hours, and show your work.
poizon [28]
It would be "5.5 hours". Just divide 330 minutes by 60. 60 minutes = 1 hour.
4 0
3 years ago
List 4 qualities that should be present in your voice when answering a telephone
lys-0071 [83]
The 4 ways are:
to be tactful
diplomatic
firm yet Flexible
friendly yet professional
3 0
3 years ago
PLEASE HELP
statuscvo [17]

Answer:

that's more of a personal question but if u was answering that...

Explanation:

1. save the environment, because we live in the environment and without it none of us would be alive and the environment is something that affect us all

3 0
4 years ago
What is the difference between a theory and a scientific fact?
seraphim [82]
Scientist, a fact is something that can be tested by anyone with the proper skill and equipment, and that repeatedly and reliably gives the same result every time. A scientific theory is a body of knowledge based on facts that describes their interaction in the simplest possible way
8 0
3 years ago
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