Which structure is found in the nucleotides of DNA but not in RNA?
A) a sugar
B) a phosphate group
C) deoxyribose
D) a nitrogen-containing base
C
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When communities of organisms interact with their physical environment they form a(n)
A. population. B. organism. C. community. D. ecosystem. E. macromolecular community.
Information from the right visual field is ____
a. carried into the thalamus by the optic chiasm b. detected by both eyes c. sent directly to the visual cortex d. processed by the right visual cortex e. carried by the left optic nerve
Brassinosteroids differ from other plant hormones in that they are _______
a. peptides b. steroids c. derivatives of adenine d. derivatives of aspirin e. derivatives of prostaglandins
Which phylum of the Kingdom Protozoa were you least likely to observe in pond water?
A) Flagellates B) Amoebas C) Ciliates D) Apicomplexans