Which of the following is the feature that choanoflagellates received their name after?

a. eye spot
b. cilia
c. flagellum
d. collar


Ans: d. collar

Biology & Microbiology

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At least some of the cells of a mammalian heart in the final phase of development would most likely be

A. undergoing apoptosis. B. dividing rapidly. C. expressing segmentation genes. D. expressing cardiac-specific transcription factors. E. either undergoing apoptosis or expressing cardiac-specific transcription factors.

Biology & Microbiology

Prokaryotic cells divide by a process known as

A. conjugation. B. mitosis. C. binary fusion. D. binary fission.

Biology & Microbiology

The surface receptors that recognize and bind signal molecules are ____

a. glycoproteins b. glycolipids c. phospholipids d. promoters e. cadherins

Biology & Microbiology

Millions of years ago, the activity of which cellular organelle would have been dependent upon the presence of

cyanobacteria? a. Golgi b. nucleus c. ribosome d. mitochondrion e. endoplasmic reticulum

Biology & Microbiology