If the sequence of a cDNA has matches with DNA sequences in the genome, then this genomic DNA is likely to _____
A) code for a protein
B) code for an rRNA
C) be part of an intron
D) be a regulatory sequence
A
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Which layer of the skin is composed of stratified squamous epithelium cells? a. Epidermis b. All of these choices have stratified squamous epithelium
c. Hypodermis d. Dermis e. None of these choices have stratified squamous epithelium.
Which portion of a phospholipid is hydrophilic?
a. fatty acid tails b. glycerol heads c. The entire phospholipid is hydrophilic. d. None of the phospholipid is hydrophilic.
Unlike fish, lancelets as a adults do not have
a. a dorsal, hollow nerve cord. b. gill slits. c. a brain. d. a tail extending beyond the anus. e. more than one of these.
If you awoke and looked out your window and saw a gopher shaking, what might be true about the temperature outside?
A. It is very cold, and the gopher is shivering to help thermoregulate. B. It is very hot, and the gopher is trying to increase perspiration. C. It is hot and dry, causing the gopher to have kidney problems. D. Temperatures are moderate, and the gopher may be trying to attract a mate. E. None of the answer choices is correct.