If your UV detector showed higher levels of UV radiation than normal, you might suspect changes in what layer of the atmosphere?
A. benthic zone
B. ozone layer
C. cumulus clouds
D. particulate layer
E. profundal zone
B. ozone layer
Biology & Microbiology
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Which of the following components of PCR ensures amplification of the target DNA sequence only, despite the presence of many other DNA sequences?
A. Polymerases B. Primers C. dNTPs D. High temperatures
Biology & Microbiology
The ____________________ of STR alleles reveals how often they are observed in a population. Fill in the blank(s) with the appropriate word(s)
Biology & Microbiology
Embryonic endoderm gives rise to:
a. muscle. b. the lining of the digestive tract. c. the nervous system. d. skin. e. skeletal tissue
Biology & Microbiology
Auxin is actively pumped into cells by _____ carriers and out of cells by _________ carriers.
Fill in the blank(s) with the appropriate word(s).
Biology & Microbiology