Which of the following statements regarding Ulva is true?
A) Ulva, a brown algae, resembles land plants because it produces diploid gametes.
B) Ulva, a brown algae, has a complex life cycle with diploid body cells and haploid gametes.
C) Ulva, a green algae, has a complex life cycle with diploid body cells and haploid gametes.
D) Ulva, a green algae, has a complex life cycle with alternation between multicellular diploid and haploid generations.
Answer: D
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The process of linking the correct amino acid to a tRNA molecule is catalyzed by ____
a. the tRNA itself b. RNA polymerase c. an mRNA d. the ribosome e. an aminoacyl-tRNA synthetase
"Fact recall" is termed
a. intuitive memory. b. declarative memory. c. deductive memory. d. inductive memory. e. skill memory.
Refer to Figure 22-2. The common hominid ancestor would be found at the position labeled:a
13
b. 12
c. 11
d. 10
e. 9
Which of the following has eggs that do not require a moist environment to complete development?
a. Salamander b. Frog c. Toad d. Cecilia e. None of the listed responses are correct.