Pancreatic cells synthesize and export large quantities of digestive enzymes; to support this activity they must _____.
A) have more Golgi bodies than typical cells
B) be multinucleated
C) have a large number of lysosomes
D) be larger than typical cells
E) have more peroxisomes than typical cells
Answer: A) have more Golgi bodies than typical cells
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Trakr, the Ground Zero hero dog, was cloned in the hope that _____
a. his clones would be adopted as pets b. his clones would be better search and rescue dogs as he was c. he would be the world's first cloned mammal d. his clones would be just as good search and rescue dogs as he was e. he would be brought back to life
Which condition would be most likely to cause stomata to open?
A) high levels of carbon dioxide in a leaf B) hot, dry weather and strong winds C) sunrise on a clear morning D) a cool night setting in
Which of the following is not part of the process known as oxidative phosphorylation?
(a) Molecular oxygen serves as a final electron acceptor. (b) FADH2 and NADH become oxidized as they transfer a pair of electrons to the electron-transport chain. (c) The electron carriers in the electron-transport chain toggle between reduced and oxidized states as electrons are passed along. (d) ATP molecules are produced in the cytosol as glucose is converted into pyruvate.
Cells must efficiently transfer energy from their energy-trapping systems to the systems actually carrying out work and also use various metabolic processes to replace the energy used in doing work. This is called the ________ ________.
Fill in the blank(s) with the appropriate word(s).