An enzyme that cuts double-stranded DNA at specific nucleotide sequences.
A) RNA polymerase
B) DNA ligase
C) Restriction enzyme
D) Transposase
Answer: C) Restriction enzyme
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Regarding infection, what is the problem with
cystic fibrosis?
a. bacteria are not captured properly to signal an immune response b. white blood cells are mutated and do not recognize foreign bacteria c. the mutated cystic fibrosis protein is not recognized by the immune system d. because multiple copies of the mutated protein are made, the immune system goes into hyperdrive e. more than one of these problems occurs
Endothermic animals
a. use up more energy than ectotherms. b. have more stamina than ectotherms. c. have a higher metabolic rate than ectotherms. d. may have layers of fat to reduce heat loss. e. fit all of these descriptions.
Carbaminohemoglobin differs from hemoglobin in that carbaminohemoglobin
A) is found in blood plasma. B) binds carbon monoxide instead of carbon dioxide. C) is found in red blood cells. D) is bound to carbon dioxide. E) transports oxygen from the lungs to the cells.
Plants need to minimize water loss while maximizing carbon dioxide intake. With respect to plant leaf structure, how are these conflicting needs met?
What will be an ideal response?