In multicellular organisms, the shape of the cell helps determine its function. For example, red blood cells are donut-shaped to easily exchange oxygen and freely pass through narrow blood vessels while nerve cells are long so when connected to other nerve cells they can span long distances in the organism
Answer:
The cell membrane controls what goes in and out by having protein channels that act like funnels in some cases and pumps in other cases. Passive transport does not require energy molecules and happens when a funnel opens in the membrane, letting molecules flow through.
Hello!
The statement which best describes Earth's atmosphere :
<u>It includes all living and once-living things.</u>
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These include everything from humans to trees.
A: black spots are dominant
B: ss
C: both parents must be heterozygous to produce an offspring that expresses the recessive trait.
D: SS, Ss, and ss
Hope this helps!
