What law governs how concentration gradients and other factors influence the rate of net diffusion?
a. Fick's law of osmosis
b. Fick's law of movement
c. Fick's law of gradients
d. Fick's law of diffusion
e. Fick's law of concentrations
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Question 2) A pair of electrons released from one NADH molecule causes the formation of more ATP molecules than do a pair of electrons released from a FADH2.
Indicate whether the statement is true or false
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Question 3) How is O2 (oxygen) transported across the lung membrane?
a. by osmosis
b. by pinocytosis
c. by diffusion
d. via a carrier lipid
e. via a carrier protein
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Question 4) The Krebs cycle occurs within the mitochondria while the citric acid cycle occurs in the cytosol.
Indicate whether the statement is true or false
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Question 5) What is the action of a solvent?
a. It is a compound that dissolves in waer.
b. It is a dissolving medium.
c. It is a compound that evaporates.
d. It is a compound that forms salt.
e. It is a compound that gains electrons.
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Question 6) If a candy bar is likened to a single glucose molecule, then a pyruvate molecule would be likened to two candy bars.
Indicate whether the statement is true or false
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Question 7) What are the two passive forms of movement across a plasma membrane?
a. diffusion down a concentration gradient and movement along an electrical gradient
b. phagocytosis and movement along an electrical gradient
c. diffusion down a concentration gradient and pinocytosis
d. phagocytosis and osmosis
e. diffusion along an electrical gradient and osmosis
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Question 8) Skeletal muscle cells have numerous mitochondria within their endoplasmic reticulum and this special organization is called the mitochondrial reticulum.
Indicate whether the statement is true or false
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Question 9) What are the two general types of force that accomplish transport of substances across a membrane?
a. push and pull forces
b. attractive and repulsive
c. negative and positive
d. passive and active forces
e. up and down forces
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Question 10) Dynamin is synthesized inside endosomes and is responsible for pinching off the endosome from the plasma membrane.
Indicate whether the statement is true or false
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