The folding inward of the plasma membrane of an ancestral prokaryote likely evolved into ____.
A. the Golgi apparatus
B. protists
C. DNA
D. the nucleus
E. mitochondria
Answer: D
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If a species is absent from a particular region, which are the reasonable explanations for its absence? Check all that apply.
_____ It evolved elsewhere and never dispersed to the region in question. _____ It was once found in the region in question, but became extinct there due to climactic changes. _____ It was once found in the region in question, but migrated to other regions _____ It was once found in the region in question, but was eradicated by humans.
A gene that produces multiple effects is called
a. a multiple allele. b. an autosome. c. an epistatic gene. d. a pleiotropic gene. e. an incompletely dominant gene.
Which of the following statements about whisk ferns is FALSE?
a. They exhibit dichotomous branching. b. They lack true roots. c. They lack true leaves. d. A representative is Psilotum. e. They lack true stems.
Photosynthetic accessory pigments Examples of photosynthetic accessory pigments are
a) chlorophyll b and carotenoids. b) chlorophyll a and carotenoids. c) chlorophyll a and chlorophyll b. d) carotenoids, chlorophyll a, and chlorophyll b. e) mitochondria.