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diamong [38]
3 years ago
13

What facilitates passive transport across a cell membrane

Biology
2 answers:
bezimeni [28]3 years ago
5 0

The answer is concentration gradient.

vekshin13 years ago
4 0
The concentration of the cell and that of its environment
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Behavioral vs Physicological
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Physiological deals with body and behavioral deals with the internal mind.

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Behavioral or  behavioral psychology is a branch of psychology that focuses on the study and alteration of people's behaviors, including their actions, emotions, and thoughts.

Physiological refers to to the branch of biology that deals with the normal functions of living organisms and their parts. That means it deals with all body part's information and their function.

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2 years ago
How do monarchs warm up and stay warm?
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Monarchs can warm up by basking in the sun. Basking helps a monarch raise its muscle temperatures to flight threshold. When monarchs bask they open their wings and tilt them toward the sun. Like solar panels, monarchs capture the sun's energy by exposing the surface area of their wings directly to the sun.

Explanation:

6 0
3 years ago
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If a mammal gives birth to live animals, how is a monotreme a mammal if it lays eggs? This has been confusing me for the past 30
natka813 [3]

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In some ways, monotremes are very primitive for mammals because, like reptiles and birds, they lay eggs rather than having live birth. In a number of other respects, monotremes are rather derived, having highly modified snouts or beaks, and modern adult monotremes have no teeth.

8 0
2 years ago
Please help !!!!!!!20 minutes
Gala2k [10]

That would be erosion. I know this because i spent years studying rocks and had straight passed all of it. Hope this helps. ;)

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3 years ago
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Which two neurotransmitters have roles in appetite suppression?
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Serotonin and n<span>orepinephrine.

Serotonin decreases appetite by activating </span>5-HT2C receptors<span> on dopamine-producing cells which will cause dopamine release to stop. Dopamine is responsible for the increase of appetite, therefore, serotonin decreases appetite.
Norepinephrine by increasing the production of glucose it also causes the body to feel satiety and, therefore, decreases the appetite.</span>
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