Choanoflagellates _____

A) are usually parasitic
B) are motile as adults
C) live in aquatic habitats
D) are animals


Answer: C

Biology & Microbiology

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Which molecule carries an anticodon?

A. DNA B. mRNA C. rRNA D. tRNA

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Which of the following animals use air sacs to ventilate its lungs?

a. humans b. birds c. frogs d. reptiles e. horses

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Which of the following is NOT true of

protists?

a. They may reproduce sexually. b. Most have mitochondria. c. Some reproduce asexually by binary fission. d. Most protists are unicellular organisms, but some are multi-celled species. e. Some protists are photoautotrophs

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Where would you expect to find the Ca2+-activated form of gelsolin in cells crawling by amoeboid movement?

A) in and around focal adhesions B) at a pseudopodium tip where endoplasm is converting to ectoplasm C) at a pseudopodium base where ectoplasm is converting to endoplasm D) in the primary cilium E) at the cell trailing edge where force is produced to drive endoplasm forward streaming

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