From a plant’s perspective which of the
following is NOT a function of fleshy fruits?
a. protection
b. provide nutrients to animal dispersers
c. disperse seeds
d. all of these (a through c) from a plant’s
perspective are functions of fruits
e. none of these (a through c) from a plant’s
perspective are functions of fruits
B
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The change in the chromosome depicted between the top and the bottom in the accompanying figure represents a(n)
____.
a. inversion b. duplication c. reciprocal translocation
d. deletion e. Philadelphia chromosome
We recognize three levels of biodiversity: genetic diversity, species diversity, and
__________diversity. Fill in the blank(s) with the appropriate word(s).
Why is penicillin selectively toxic to bacterial cells but harmless to human cells?
a. Penicillin is inactivated within lysosomes of human cells c. The glycocalyx of an animal cell provides a barrier through which penicillin cannot pass d. Penicillin specifically weakens peptidoglycan, which is found only in bacterial cells e. Human cells actively transport penicillin out of the cell
Prokaryotic cell walls function
A) to promote flexibility and formation of pseudopodia. B) to prevent the cell from bursting in a hypotonic environment. C) to propel cells (locomotion). D) as a site of metabolic reactions (photosynthesis and cellular respiration).