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Umnica [9.8K]
3 years ago
15

What does the nucleus of the cell contain and what does it do? (A) ribsomes; makes proteins. (C) DNA; controls all cell activiti

es. (B) lysosomes; disposal of the cell. (D) mitochondria; makes energy for cell.
Biology
2 answers:
nikdorinn [45]3 years ago
8 0

Answer:

(C) because the nucleus is an organelle found in eukaryotic cells. Inside its fully enclosed nuclear membrane, it contains the majority of the cell's genetic material. This material is organized as DNA molecules, along with a variety of proteins, to form chromosomes

Greeley [361]3 years ago
3 0

Answer:

DNA, it controls all cell activities

Explanation:

its the central part of the cell that contains dna and rna and is responsible for growth and reproduction

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How dord the fetus get nourishment up until the time it is born?
irina1246 [14]
The answer is through the placenta. The placenta is formed in the uterus of the pregnant woman. Its role is in the nourishment of the fetus. The placenta provides the fetus with nutrients and removes waste. The umbilical cord connects the placenta to the fetus and it serves as the transporting passageway.
3 0
2 years ago
How will a punctured lung affect your ability to inspire?
Allisa [31]
1) Pneumothorax in this case; a spontaneous pneumothorax can be life threatening cause the lung will eventually cause vacuum used by the lung to fill with air, and as you constantly expand your lung it decreases and collapses. So C is going to be the answer.

2) Acetylcholine is the hormone responsible for the "Rest and digest". It is the direct opposite of the Fight and Flight reaction which is marked in Bronchodilation, Increased HR, and increased BP. B

3) Secretin is responsible for stimulating the release of bile by the liver. Secretin is released by the duodenum, the junction of the stomach and small intestines. B
7 0
3 years ago
Which sequence correctly increases complexity in the level of biological organization?
EleoNora [17]

Answer:

the correct answer would be

A. atoms, molecules, cells, tissues, organs

7 0
3 years ago
1. One of the results of the new and current naming system is that
svet-max [94.6K]

Answer:

Names are universal

Explanation:

Current naming system that is followed all over the world is called binomial nomenclature. There are many significant and useful features of this classification system however one of the most important feature is the universality of the name.

The scientific names of organism are usually Latin derived and composed of two  parts  among which first is genus name and second is specie name.

For example<u>: Rosa indica</u> is the scientific name of Rose and it is same all over the world. Unlike common names we dont have to search for name to make others understand which flower we are talking about because if we know scientific name anyone can understand it.

Hope it help!

7 0
3 years ago
In a paragraph, explain why humans have so little drinking water available for their use. Be sure to tell at least two details t
kvv77 [185]

Answer:

The easiest answer to that is that most of the water on Earth isn’t just water.

Explanation: Most of the water on Earth contains high levels of salt, and that’s a major cause for why so much of that water is not fit for human consumption. That much salt is toxic to humans because it overloads the kidneys’ ability to remove salt. Freshwater works in part by diluting and absorbing the salt in your body so it can be flushed out of your system, but salt water is so saturated in salt this just isn’t possible. Even worse, the salt in the salt water actually adds to the salt in your body, so when you are dehydrated, one of the worst thing you can do is drink salt water.

About 97% of the water on Earth is salt water. Of the remaining 3%, some of that will be unfit for human consumption because it was used in industrial processes or sanitation, and some of it will be unfit for human consumption because the water is home to parasites (and in some cases, the water is both).

As a sidenote, when I said that the remaining 3% of the water was not salt water, I didn’t say that it was available freshwater (tainted or otherwise). Most of the freshwater in the world is ground water, literally water that is found in the ground itself.

Hope that helped you <3 ;)

8 0
2 years ago
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