Which of the following is the sister group to

human?
a. earthworm
b. lizard
c. tuna
d. mouse
e. none of these


D

Biology & Microbiology

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The parietal lobe is indicated by

a. A. b. B. c. C. d. D. e. E.

Biology & Microbiology

A cell is dividing by binary fission. What can you conclude?

a. Mitosis has taken place without cytokinesis. b. Homologous chromosomes have already paired. c. The cyclin-Cdk complex is no longer phosphorylating enzymes. d. The cell cycle is out of control. e. The cell is prokaryotic.

Biology & Microbiology

______________ is a thick fluid inside the chloroplast membrane. Suspended within it are disk-like membranous sacs known as _______________, which are concentrated in stacks called _______________.

a) The stroma, grana, phloem b) The stroma, grana, xylem c) The stroma, thylakoids, xylem d) The stroma, thylakoids, grana e) The stroma, thylakoids, phloem

Biology & Microbiology

An ________ may arise when three sperm cells are involved in fertilization of a single egg

A) aneuploidy B) allotetraploid C) allotriploid D) autotetraploid E) autotriploid

Biology & Microbiology