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galina1969 [7]
4 years ago
11

The movement of water molecules through a semi-permeable membrane is called

Biology
1 answer:
nexus9112 [7]4 years ago
5 0
It’s called osmosis.
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If your blood sugar level is low from skipping lunch what reaction will occur in your liver cells
Vadim26 [7]
The answer is Glycogenolysis

When we are hungry or skipped a meal our  glucagon, <span>an hormones</span> that regulates blood-sugar levels, is released to avoid glucose levels in the blood to decrease to a risky value.

Glucagon makes the liver, but also the muscle, to breakdown accumulated glucose called glycogen into glucose to increase blood-sugar levels. This process is called Glycogenolysis and can also be  stimulated by an increase in epinephrine during  fight-or-flight responses.
8 0
3 years ago
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An object has a kinetic energy of 32 J and a mass of 36 kg, how fast is the object moving?
marin [14]

Answer:

1.33 m/s

Explanation:

The formula for Kinetic Energy is given as:

K.E=\frac{1}{2} mv^{2} \\

Where, m is the mass and v is the velocity of the object. In order to tell how fast is the object moving we need to calculate its velocity.

Re-arranging the above equation and isolating v, we get

2 K.E = mv^{2}\\\\v^{2} = \frac{2 K.E}{m}

Putting values in this equation, we get:

v^{2}=\frac{2 \times 32}{36}\\\\ v^{2}=\frac{16}{9}\\\\ v=\frac{4}{3}\\\\  v=1.33

Thus, the object is moving with a velocity of 1.33 m/s

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3 years ago
25. Macrophages perform_________<br>to engulf invaders.​
Rus_ich [418]
Macrophages rid the body of worn-out cells and other debris.
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Determine of the statement is true or false, and why. Nitrogen makes up most of the atmosphere, but is in an unusable form until
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Answer:

C. True.

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It should be understood that the the percentage of nitrogen is the highest in the atmosphere. This is because, it make up of more than 60% of the atmosphere. And it should be noted that the atmospheric nitrogen is inform that can not be used by the plant.

Therefore, there is a need for a certain group of bacteria which live in the root noodles of the plants to convert the unused form of the atmospheric nitrogen to a form that can be used by the plants.

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3 years ago
WHAT IS VACUOLE MEANING
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Answer:

a space or vesicle within the cytoplasm of a cell.

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