A botanist is comparing the metabolic pathways for photosynthesis in cyanobacteria and in redwood trees. What do you expect she will find?
A. These two pathways will demonstrate
dramatic differences.
B. These pathways will utilize two very
chemically different types of chlorophyll.
C. These two pathways will actually be quite
similar, though subtle differences may exist.
D. It is impossible to compare metabolic
pathways used in bacteria and eukaryotes.
C
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Two snapdragons heterozygous for alleles that encode red and white flower color are crossed. If the red and white
alleles show incomplete dominance, what will be the ratios of phenotypes in the offspring?
a. 100% pink b. 100% red c. 50% white, 50% red d. 25% red, 50% pink, 25% white e. 25% pink, 50% white, 25% red
If disease symptoms are associated with a genetically inherited allele, tests can be performed
A. on the fetus, during pregnancy. B. during the in utero fetal stage or any stage of life after birth. C. during adulthood. D. on the embryo prior to implantation. E. during childhood.
__________ is a set of methods that allow us to reconstruct phylogeny. Fill in the blank(s) with the appropriate word(s)
HIV does the greatest damage to
A) the adrenal glands. B) pancreatic cells. C) nervous tissue. D) white blood cells.