Which reproductive strategy increases genetic diversity
A) Asexual reproduction
B) Binary fission
C) Sexual reproduction
Answer: C) Sexual reproduction
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Based on the idea that fungi have pores between their cell walls, which allow cytoplasm to move from one end of the mycelium to the other, which of the following hypotheses is the most plausible?
A) If a single mycorrhizal fungus formed symbiotic associations with more than one tree, carbon could travel from one plant to another. B) Parasitic fungi steal nutrients from their hosts. C) Predatory fungi capture their prey by encircling them with hyphae, and the flowing of the cytoplasm through the pores helps the hyphae to move around the prey. D) Fungi function as part of the global carbon cycle not only by converting carbon from one form to another, but by physically moving it from one location to another.
The sequence of genes in each T4 virus within a population is the same but starts with a different gene at the 5' end. If each of these linear pieces is circularized, the gene sequences would be identical. The T4 DNA, therefore, is described as being
A. a linear repeat. B. circularly permuted. C. linearly palindromic. D. two fold rotationally symmetrical.
Amniocentesis collects cells from the fluid surrounding the fetus in order to prepare a(n) ____________________.Fill in the blank(s) with the appropriate word(s)
Which class is made up of members commonly called chitons?
a. Cephalopoda b. Scaphopoda c. Polyplacophora d. Gastropoda