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DanielleElmas [232]
3 years ago
15

Name the three main parts of a human cell?

Biology
1 answer:
zysi [14]3 years ago
7 0

Answer:

Explanation:

In this lesson we will learn the three basic parts of all cells. Cells have something called a cell membrane, a nucleus, and cytoplasm.

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HELP FOR BRAINLIEST
mezya [45]

p = m / V    (Density = Mass / Volume)

p = m / (w * l * h)        (Density = Mass / [Width * length * height]) (V = w * l * h)

p = 120 / (5 * 4 * 3)      (Mass = 120g [Given]      w=5 l=4 h=3 [Given])

p = 120 / 60

p = 2 g/cm^3

Answer is B (2)

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3 years ago
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A decrease in the resting membrane potential is __________ whereas, __________ is an increase in the membrane potential.
nexus9112 [7]

Answer: depolarization; hyperpolarization

Explanation:

At resting potential (absence of stimulus), the cell membrane of a neuron is said to be polarized with a net negative charge within due to more potassium (K+) ions present than sodium (Na+) ions.

However, an impressed stimuli reverses the ions content as K+ ions flows out and quickly replaced by Na+ ions, resulting in a decrease in membrane potential and a more positive cell membrane. Thus, depolarization occurs.

An increase in the membrane potential (so that it becomes more negative) is called hyperpolarization.

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When gains associated with illness outweigh the costs, _____________ may result.
denis23 [38]
The correct answer is "letter c. malingering."

Malingering is described as falsifying symptoms of mental or physical well-being of a person to achieve a certain goal, an example is that malingering a certain mental illness or physical illness may be used as a mitigating factor to reduce the sentence of a criminal or to receive special treatment in prison. It may also be used to skip school or work in the military. 
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Is the kirtland's warbler an experimental population or is it endangered
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It is endangered? Because a kirtland warbler is a big species.
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Is wet or dry food better for my hedgehog?
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