Stomato allows plants to ____________.
a. reproduce
b. diffuse gas and water
c. attach to the soil
Answer: b. diffuse gas and water
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Anaphylactic shock can be controlled by an immediate injection of histamine
a. True b. False
For roundworms living in the intestine of a
vertebrate, the cuticle most probably serves in what capacity? a. water retention b. nutrient absorption c. protection from digestive enzymes d. excretion of metabolic wastes e. sensory detection
If a DNA triplet is ATC, what is the corresponding mRNA codon?
a. ATC b. UAG c. AUC d. UAC e. TAG
Which of the following groups contains all minerals?
A. zinc, iron, calcium and NAD+ B. iron, calcium, magnesium and zinc C. iron, magnesium, riboflavin and calcium D. zinc, glucose, iron and magnesium E. calcium, magnesium, niacin and iron