Skin pigment is made by

a. erythrocytes.
b. phagocytes.
c. melanocytes.
d. dendritic cells.
e. fibroblasts.


C

Biology & Microbiology

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In the flower diagram shown above, the item labeled "3" is a(n)

a. anther. b. receptacle. c. style. d. stigma. e. filament.

Biology & Microbiology

Which term refers to a cell cluster that contains both algal and hyphal cells and is used for asexual reproduction in lichens?

a. a haustorium b. a soredium c. an arbuscule d. a thallus

Biology & Microbiology

In placental organisms, the ________ of the embryo merges with the endometrial lining of the uterus to form the placenta

A) blastopore B) chorion C) amnion D) yolk sac E) allantois

Biology & Microbiology

Cube-like colonies seen in packets of eight under a microscope are likely of the genus

a. Listeria. b. Streptococcus. c. Sarcina. d. Treponema.

Biology & Microbiology