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lidiya [134]
2 years ago
6

a small polar molecule enters a cell with help from a membrane protein. No addistional energy is needed to complete this process

. What type of transport is this
Biology
1 answer:
Ymorist [56]2 years ago
3 0

Facilitated diffusion. Facilitated diffusion is a form of passive transport across the plasma membrane (therefore needs no external energy source), that allows polar or larger molecules that usually couldn't diffuse across the membrane to do so.

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If a splinter of wood were to enter the skin and introduce microorganisms to that site, what specific early and late events of i
jek_recluse [69]

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Explanation:

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4 years ago
Soil & bedrock are similar because and but
slamgirl [31]
Soil scientists use the capital letters O, A, B, C, and E to identify the master soil horizons<span>, and lowercase letters for distinctions of these horizons. Most soils have three major horizons: the surface horizon (A), the subsoil (B), and the substratum (C). Some soils have an organic horizon (O) on the surface, but such a horizon can also be buried. The master horizon, E, is used for subsurface horizons that have a significant loss of minerals (eluviation). Hard bedrock, which is not soil, uses the letter R.</span>
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3 years ago
Which statement describes the current theory about the relationship between the human population and mass extinction? The human
Flauer [41]
<span>The human population is increasing, so the likelihood of a mass extinction is also increasing.

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5 0
4 years ago
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What type of cells have organelles? Describe the function of these organelles. <br><br> Please Help!
PIT_PIT [208]
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3 0
3 years ago
Which of the following pairs of reproductive organs serve similar functions?
tiny-mole [99]

Answer:

B

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