Citrate synthase is the first enzyme in the citric acid cycle and is also able to be regulated to control the
amount of ATP that is produced as a result of the citric acid cycle. Why is early regulation the most
beneficial method for the cell?
a. There is less wasted energy by regulating early steps.
b. More ATP can be produced before the system is shut off.
c. NADH is rarely found in the cell and needs to be conserved.
d. The first enzyme is more amenable to regulation.
e. There is no possible way to control the last enzyme in a pathway.
A
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In 1928, Griffith found that injecting which strains of Pneumococcus caused the mouse to die?
A) living type RII B) heat-killed type SIII C) heat-killed type RII D) heat-killed type SIII and living type RII E) heat-killed type RII and living type RII
When drinking water at a party you sneezed and water came out of your nose. This happened because:a
the epiglottis did not close. b. the glottis did not close. c. the pharynx and nasal cavity are connected. d. the tongue blocked the pharynx. e. the water was carbonated
A taxon that diverges earlier than the other taxa being considered in cladistic analysis is a(n):
a. clade. b. outgroup. c. shared taxon. d. derived taxon. e. homologous taxon.
Why is evolution an important process for living things?
What will be an ideal response?