Which of the following characteristics apply to plants?
a. producer only
b. heterotroph, producer
c. producer, multicellular, cell wall
d. heterotroph, producer, multicellular, cell wall
C
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Alcoholic fermentation is the basis for
(a) bread baking. (b) beer brewing. (c) ethanol fuel production. (d) all of the above.
What can you conclude from data in the figure?
A) The lipase from bacteria X is insensitive to changes in pH. B) Only the lipase from bacteria Y denatures at high temperatures. C) Bacteria X likely lives in an environment that undergoes large changes in temperature. D) The lipase from bacteria Y is more active than the lipase from bacteria X at 20°C.
Scientists studying a group of related bird species on an island archipelago discover that these species are always more closely related to each other within an island than they are between any two islands. The most likely explanation for this result is that
A. many ancestral bird species colonized each island. B. each bird species evolved different adaptations in allopatry and then colonized the other islands. C. one bird species colonized each island and then evolved into distinct species on that island through character displacement. D. each bird species became reproductively isolated by living on a different island, then later colonized the other islands and acquired new adaptations.
The ATP synthase found in chloroplasts is structurally similar to the ATP synthase in mitochondria. Given that ATP is being synthesized in the stroma, where will the F0 portion of the ATP synthase be located?
(a) thylakoid space (b) stroma (c) inner membrane (d) thylakoid membrane