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

Biology & Microbiology

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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.

Biology & Microbiology

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.

Biology & Microbiology

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.

Biology & Microbiology

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.

Biology & Microbiology