Place each of the following terms with the correct statement.
coevolution
defensive coloration
camouflage
secondary chemical compounds
Batesian mimicry
1. Organisms that possess this property are poisonous, sting, or are otherwise harmful; commonly black, yellow, and red in color.
2. Is the process by which different kinds of organisms adjust to one another by genetic change over long periods of time.
3. It is a situation in which a palatable organism resembles another kind of organism that is distasteful or toxic.
4. Adaptation that enables organisms to blend into their environment thereby avoiding predation.
5. Chemical compounds produced by plants that are not components of major metabolic pathways.
1. defensive coloration
2. coevolution
3. Batesian mimicry
4. camouflage
5. secondary chemical compounds
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Which enzyme is responsible for carbon fixation?
a. RuBP b. ATP synthase c. PGAL d. rubisco e. thylakoid kinase
In a frog embryo, gastrulation
A. is impossible because of the large amount of yolk in the egg. B. proceeds by invagination and involution as cells roll over the dorsal lip of the blastopore. C. occurs within the inner cell mass that is embedded in the large amount of yolk. D. produces a blastocoel displaced into the animal hemisphere. E. occurs along the primitive streak in the animal hemisphere.
Which of the following is NOT a potential type of abnormality in chromosome structure?
a) deletion: when a sequence of genetic information is taken out of a chromosome b) duplication: when a portion of a chromosome is repeated resulting in the chromosome containing additional genetic material c) homologous exchange: when two homologous chromosomes exchange information equally d) inversion: when part of a chromosome flips and reinserts in the opposite orientation on the same chromsome e) All of the above are potential causes of abnormalities in chromosomal structure.
A gene is said to be poised if it
a. is inactive. b. has an assembled basal apparatus but requires a second signal for activation. c. has a partially assembled basal apparatus. d. is active. e. is prevented from being expressed by chromatin structure.