The earliest fish are represented today by:
a. hagfish.
b. lamprey.
c. sharks.
d. both a and b.
e. both b and c.
D
Biology & Microbiology
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Consider the DNA sequence 5'-GATTACA-3'. If the strand with this sequence forms a double helix with another
DNA strand, the sequence on the other strand should be ____.
a. 5'-TCGGCAC-3' b. 3'-GATTACA-5' c. 5'- ACATTAG-3' d. 3'-GTGCCGA-5' e. 3'-CTAATGT-5'
Biology & Microbiology
Sister chromatids are joined at the centromere in all of the stages of meiosis listed below except
a. metaphase II. b. anaphase II. c. telophase I. d. metaphase I. e. prophase II.
Biology & Microbiology
Which type of cells are least likely to contain identical chromosomes?
a. bacterial b. somatic c. gametes d. archaea
Biology & Microbiology
Procollagen chains are synthesized on the endoplasmic reticulum.
a. true b. false
Biology & Microbiology