False
Not always, some proteins are used in a variety. <span>Protein channels are needed to transport substances because it accelerates the transport process. Very few substances enter or leave cells without being attached to a transport protein. Different types of substances require different types of proteins to transport them. Protein channels transport water or ions downwards and ATP-powered pumps transport molecules or ions upwards. ATP generates energy to transport the molecules upwards. </span>
Answer:
"Lipids are an essential component of the cell membrane. The structure is typically made of a glycerol backbone, 2 fatty acid tails (hydrophobic), and a phosphate group (hydrophilic)."
Answer:
0.60
Explanation:
q2 = 0.16;
q = 0.4
Using the formula: p = 1 − q,
P = 1 - 0.4
p = 0.6
or p = 60%
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A bone mineral density (BMD) test measures how much calcium and other types of minerals are in an area of your bone.