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Dennis_Churaev [7]
3 years ago
9

Which statement correctly describes the nucleus of the atom?

Biology
2 answers:
RideAnS [48]3 years ago
7 0
Answer: D
Explanation: I just got it right
lidiya [134]3 years ago
5 0

Answer:

D. the nucleus contains the protons and neutrons which takes up most of the mass of the atom

Explanation:

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Determine whether each statement refers to the central nervous system or the peripheral nervous system.
marin [14]

Answer and Explanation:

Consists of the brain and spinal cord

- central nervous system

Consists of the nerves outside the brain and spinal cord

-peripheral nervous system

Collects information from sensory organs

-peripheral nervous system

Processes information from sensory organs-central nervous system.

The CNS is made up of the brain and the spinal cord. The PNS consists of nerves, which link the CNS to various receptors and effectors.

3 0
2 years ago
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Which characteristic do all protists have?
myrzilka [38]

Answer: They all survive in any environment.

Explanation: Protists have the ability to survive in any environment, even extreme environment. They can live in the ocean, desert or extremely hot environment, or even a extremely cold environment.

I'll explain why the others aren't correct.

Protists can be both unicellular and multicellular, they're not always unicellular. Kingdom Protista contains all eukaryotics, so they're not always unicelluar.

Protist cannot make or consume food. Animals consume food, and plants make food, not protista. Yes they're many plant-like protists out there, such as algae, they get their food from the sun above. So all protists cannot make or consume food.

Protist does have flagella, but not all protists. Protists that are motile and generate movement have flagella, meaning they move. Not all protist move, like plants can't move. So, not all protists have flagella, meaning they can move.

Let me know if you have any questions.

<em>                                                                                            Sincerely, Lily :)</em>

6 0
3 years ago
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What prevents the lac genes in the DNA of E. colin from being expressed most of the time ?
Alona [7]
The lac repressor prevents the lac genes in the DNA of E. coli from being expressed most of the time. The answer to your question is A. I hope this is the answer that you are looking for and it comes to your help.
3 0
2 years ago
Name two organelle that have highly folded membranes. What is the advantage of the folds?
9966 [12]

Answer:

mitochondria, golgi, ER

Explanation:

These folds have a great advantage for mitochondria as they increase the surface area where chemical reactions occur.

5 0
3 years ago
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Which two gas giants are most similar based on size? <br><br> subject: astronomy
11111nata11111 [884]
Saturn and Jupiter have attracted as much similar gas as they could, to form two biggest gas giants in our solar system. But they have done things in different ways and caused differences. The first difference is the planets' densities. Saturn is significantly less dense than Jupiter
4 0
2 years ago
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