What vitamin helps reduce the risk of
osteoporosis?
a. A
b. B12
c. C
d. D
e. E
D
Biology & Microbiology
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Plant surfaces are covered and protected by ____
a. ground tissue b. protoderm c. vascular tissue d. meristem e. dermal tissue
Biology & Microbiology
What is the main reason for why there has not been an increase in the production of new nuclear power plants?
a. the high cost of building b. the high cost to produce electricity c. lack of nuclear fuels d. safety concerns e. high greenhouse gas effects
Biology & Microbiology
Which molecule is not directly involved in the process of translation?
A) ribosome B) tRNA C) mRNA D) DNA
Biology & Microbiology
Cellular respiration in eukaryotic cells requires oxygen. What is this process called?
A) heterotrophic B) anaerobic C) prokaryotic D) aerobic
Biology & Microbiology