Which structure do sea slugs use to feed on their prey?
A) nematocysts
B) an incurrent siphon
C) a radula
D) a mantle cavity
C
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Exergonic reactions
A. occur when ADP binds to inorganic phosphate to form ATP. B. occur during aerobic cellular respiration. C. do not occur in anaerobic cellular respiration. D. include synthesis of large carbohydrates. E. only occur in heterotrophs.
On the illustration, "A" and "B" should be
labeled respectively a. consumers; producers b. decomposers; producers c. producers; redistributors d. producers; consumers e. consumers; decomposers
Which statement about primate chromosomes is
false? a. Thirteen of twenty-three pairs of human chromosomes are nearly identical with chimpanzee and gorilla chromosomes. b. One human chromosome matches two chimp chromosomes. c. Inversions, translocations, and duplications may have contributed to differences among primates. d. Chimpanzees and gorillas have twenty-three pairs of chromosomes. e. During human evolution, two chromosomes permanently fused.
Consider a strand of DNA with the sequence GAATTCGGCA. What is the sequence of the complementary strand?
A) ACGGCTTAAG B) AGGCCTAATG C) CTTAAGCCGT D) GAATTCGGCA