One effect of decreasing wolf populations in North America is

A) decreased deer populations.
B) range expansion for coyotes.
C) range retraction for elk.
D) increased bear populations.


B

Biology & Microbiology

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Through a sequence similarity search, a researcher identifies a gene whose predicted protein product has a putative

function of a photosynthesis-enhancing enzyme. Which experimental method could be performed to verify this function?

a. PCR b. an assay measuring photosynthetic productivity c. identification of signature genes d. DNA microarray e. gene knockout

Biology & Microbiology

What information cannot be determined from the DNA sequence of a cDNA clone?

A) exon sequences B) sequence of the promoter C) similarity to previously identified sequences D) amino acid sequence of the encoded polypeptides E) sequence of the spliced mRNA transcript

Biology & Microbiology

Mendel's dihybrid crosses (but not his

monohybrid crosses) showed that

a. some genes were linked together. b. the two alleles controlling a trait were divided equally among the gametes. c. alleles for different traits were inherited independently. d. one of the pair of alleles is dominant to the other. e. the crossing of two different homozygous forms will not produce any offspring in the first generation that would look like either of the parents.

Biology & Microbiology

Cellular respiration produces O2

1.True 2.False

Biology & Microbiology