Which of the following characteristics applies to biomes?
a. They are usually confined to a relatively small geographical area.
b. They encompass interacting landscapes.
c. Their distribution is largely the result of differences in population.
d. Their boundaries extend beyond climate barriers.
e. They include regions with similar climate, but different plants, animals, and soil.
b
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Which of the following is derived from the ground tissue system?
A) root hair B) cuticle C) periderm D) pith E) phloem
Restriction enzymes ____
a. work at recognition sites b. function only at "sticky ends" c. produce uniform lengths of DNA d. function in viruses e. are produced by viruses to break down bacterial DNA
Ureaplasma conserves energy and compensates for an absent electron transport chain by creating chemiosmotic energy gradients and ATP from the breakdown of ________ into ammonia/ammonium.
Fill in the blank(s) with the appropriate word(s).
IgG antibodies cross the placenta and enter the fetus' bloodstream, producing (active/natural/passive) acquired immunity.
Fill in the blank(s) with the appropriate word(s).