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nordsb [41]
3 years ago
13

True or false carbon dioxide is produced naturally, through volcanic activity

Biology
2 answers:
Paul [167]3 years ago
6 0
The answer would be true
erica [24]3 years ago
6 0
True. Volcanoes<span> release </span>carbon dioxide<span> in two ways: during </span>eruptions<span> and </span>through<span> underground magma.</span>
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name of name very small organized structure that is bounded by a membrane that is the basic unit of structure and function in al
svetlana [45]
The answer is the cell :D
5 0
3 years ago
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A red blood cell with an osmolarity of 300 mOsM (non-penetrating solutes) swells but does not lyse when placed in a 300 mOsM sol
Mashcka [7]

Answer:

See below for answer

Explanation:

<u>A. 200 mOsM NaCl</u>

This solution is hypotonic to the red blood cell (RBC) with penetrating solute. The RBCs will swell up and burst because the water will move into the cells.

<u>B. 400 mOsM urea</u>

This solution is hypertonic to the RBCs with non-penetrating solutes. Water will leave the cells via osmosis and the cells will shrink and appear shriveled.

<u>C. 100 mOsM urea plus 200 mOsM NaCl</u>

This time both penetrating and non-penetrating solute is present. The solution is isotonic to the RBCs and although there will be movement of water between the cells and the solution, there will be no overall change in the concentration of water for each and no change in appearance of the cells.

<u>D. 300 mOsM urea</u>

The RBCs will not lyse nor shrivel as again the solution is isotonic to the RBCs.

8 0
3 years ago
What do you think? So why don't t apes walk upright like us?
BabaBlast [244]

Apes were basically monkeys. They walk on their hands and feet but crouched. There's a bunch of theories saying that humans evolved from apes. As apes evolved, they started walking upright.

4 0
3 years ago
Assume that the red blood cell counts of women are normally distributed with a mean of 4.577 million cells per microliter and a
postnew [5]

Answer:  C. ​82.26%

Explanation:

Given :  The red blood cell counts of women are normally distributed with

\mu=4.577\text{ million cells per microliter}

\sigma=0.382\text{ million cells per microliter}

Let X be the random variable that represents the red blood cell counts of randomly selected woman.

Z-score : z=\dfrac{X-\mu}{\sigma}

For X=4.2

z=\dfrac{4.2-4.577}{0.382}\approx-0.99

For X=5.4

z=\dfrac{5.4-4.577}{0.382}\approx2.1544

Now, the probability that the women have red blood cell counts in the normal range from 4.2 to 5.4 million cells per​ microliter will be :-

P(4.2

Hence, 82.26% of women have red blood cell counts in the normal range from 4.2 to 5.4 million cells per​ microliter.

4 0
3 years ago
3. Site for cellular respiration within the cell?
MatroZZZ [7]
Cellular respiration takes place in the mitochondria, which is the powerhouse of the cell<span>.

Also, the 3 phases of cellular respiration are glycolysis, the Krebs Cycle, and Electron Transport :)</span>
6 0
3 years ago
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