Today, we are in the ________ geologic era.
A. Paleozoic
B. Cenozoic
C. Precambrian
D. Mesozoic
Answer: B
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Which pattern of diploid and haploid phases reflect the life cycle in some fungi and algae, but not
plants or animals?
a. alternation between haploid and diploid generations b. two haploid generations followed by a diploid generation c. one haploid generation followed by two diploid generations d. a life cycle that limits the diploid state to a single cell produced by fertilization e. a life cycle that limits the haploid state to a single cell which is immediately fertilized
Which of the following are serious illnesses
associated with normal flora?
a. meningitis b. colon cancer c. brain abscesses d. colitis e. all of these are serious illnesses associated with normal flora
When the noncompetitive inhibitor is bonded to the enzyme, the shape of the ____ is distorted.
Fill in the blank(s) with the appropriate word(s).
The tetrahedron shape of a methane molecule is the result of orbital hybridization
__________________ Indicate whether the statement is true or false.