When a sperm cell comes into contact with an egg cell,there is a change in the electrical charge across the plasma membrane and various channel proteins close.These channels would be called
A) chemical-gated channels.
B) ligand-gated channels.
C) open-gated channels.
D) nongated ion channels.
E) voltage-gated channels.
Correct Answer:
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Q11: Which of the following activities is a
Q12: Which of the following is NOT
Q13: Plasma membrane phospholipids
A)have tails that face the
Q14: The fluid-mosaic model of the plasma membrane
Q15: The lower limit of resolution of
Q17: Which of the following is NOT a
Q18: The collection of carbohydrates,glycolipids,and glycoproteins of the
Q19: Glycolipids would contain both lipids and
A)amino acids.
B)electrolytes.
C)proteins.
D)cholesterol.
E)carbohydrates.
Q20: The environment outside the plasma membrane is
Q21: A symporter will transport _ across the
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