Which type of white blood cell is part of the cell-mediated immunity and matures in the thymus?
A) B lymphocyte
B) Eosinophil
C) T lymphocyte
D) Basophil
E) Macrophage
Answer: C) T lymphocyt
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In order to understand how chromosomes move during anaphase of mitosis, researchers tagged ____ with a
fluorescent label before photobleaching the cell and examining chromosomal movement under a microscope.
a. DNA b. kinetochore microtubules c. nonkinetochore microtubules d. histones e. motor proteins
To determineconclusively that the 13 Galápagos finch species are descended from a common ancestor, biologists
utilized ____.
a. Darwin's notebooks describing his observations b. comparative molecular biology c. comparative embryology d. Mendelian genetics e. modern historical biogeography and Darwin's observations
Megaspores produce
a. female gametophytes. b. pollen grains. c. sporophytes. d. male gametophytes. e. diploid tissue
Cyanide binds with at least one of the molecules involved in the production of ATP. Following exposure of a cell to cyanide, most of the cyanide could be expected to be found within the
a. mitochondria. b. ribosomes. c. peroxisomes. d. lysosomes. e. endoplasmic reticulum.