The relationship between the yucca plant and the yucca moth that pollinates it is best described as ____
a. commensalism
b. parasitism
c. predation
d. mutualism
e. competition
ANSWER: d
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When whole cells or large molecules in solution are engulfed by a cell, this endocytosis is specifically termed ________.
A. facilitated transport B. phagocytosis C. pinocytosis D. exocytosis E. facilitated diffusion
What compound served to contain interacting organic molecules within a protocell?
a. RNA b. DNA c. lipids d. single amino acids e. amino acid polymers
Which of the following is always a part of
speciation?
a. behavioral isolation b. temporal isolation c. reproductive isolation d. ecological isolation e. mechanical isolation
Which of the following is NOT true concerning homologous chromosomes?
a. There are two of each kind. b. Each parent contributes one of each homologous pair. c. Most homologous chromosomes carry the same genes for the same traits. d. The number of homologous chromosomes is doubled in each generation. e. Homologous chromosomes pair up during early meiosis.