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Karolina [17]
3 years ago
15

Which DNA-containing central cell structure found in plant and animal cells is absent in bacterial cells?

Biology
1 answer:
Gwar [14]3 years ago
3 0
I believe the answer is the NUCLEUS
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_______ from the mantle rises and flows out through a vent onto Earth's surface as _______. This molten material, sometimes alon
almond37 [142]

Answer:

Answer is A.

"Lava", "Magma" and "Volcano".

Explanation:

As we should know before now that Volcano occurs when tectonic plates slide against each other.

This rupture on the earth allows hot "lava", and gases to escape from a "magma" vent. All these sum to be a "volcano".

4 0
3 years ago
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The cell membrane of a red blood cell will allow water, oxygen, carbon dioxide, and glucose to pass through. Since other substan
Mrrafil [7]

Answer:

The correct answer would be B. semi-permeable.

Plasma membrane of any cell including red blood cell is semi-permeable in nature as it is made up of lipid bilayer.

It permits the passage of certain substances across the membrane while it blocks other substances.

Gases, small uncharged or non-polar substances such as oxygen, carbon dioxide, et cetera can easily pass through the cell membrane of a cell.

Large or charged molecules such as proteins, sodium ions, potassium ions et cetera can not pass through the cell membrane. They require carrier proteins to pass through the membrane.

4 0
3 years ago
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Where does the open-water zone of a lake end? a. where the lakeshore begins c. above the littoral zone b. beneath the deep-water
astra-53 [7]

Answer:

umm b i think

Explanation:

7 0
3 years ago
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The rate of kidney filtrate formation would normally be dependent upon all of the following factors except __________.
Anton [14]

Answer: blood calcium level

Explanation:

There are several factors affecting the rate of kidney filtrate formation including filtration membrane integrity

, systemic blood pressure, and renal artery/arteriole diameters.

Filtration membrane integrity

: It regulates the filtration of small fitrates and large filtrates. It is very important to handle the osmotic pressure of salts, if it will get damage the filtration will not take place properly.

Systemic blood pressure: systemic blood pressure is very important factor as it affects the Glomerular Filtration Rate (GFR). Low blood pressure or volume due to dehydration can result in decreased GFR.

Renal artery/arteriole diameters: The filtrate move through the renal artery and if it's diameter will increase or decrease it will affect the movement of filtrate. if diameter will decrease it can block the renal artery and can cause a huge damage.

Blood calcium level do not have any role in the kidney filterate formation or renal regulation.

Hence, the correct option is blood calcium level.

3 0
3 years ago
Which group of hormones is responsible for the growth of the uterus, breast, and vagina during puberty
ss7ja [257]

Because Estrogen is the female hormone it causes the growth of those body parts during puberty

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3 years ago
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