A(n) ________ is an instrument used to separate subcellular structures and macromolecules on the basis of size, shape, and density. ________ developed this instrument in Sweden during the period 1925—1930.
Fill in the blank(s) with the appropriate word(s).
ultracentrifuge; Theodor Svedberg
Biology & Microbiology
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The chambers of the brain are the
a. ventricles. b. meninges. c. tectum. d. olfactory and optic bulbs. e. pineal glands.
Biology & Microbiology
The predictable change in morphological and physiological features as a function of body size is referred to as ________
Fill in the blank(s) with correct word
Biology & Microbiology
A double stranded DNA strand contains 26 pyrimidines. How many purines will the copied strand contain?
A. 13 B. 26 C. 52 D. 0
Biology & Microbiology
Which of the following pairs regarding the epidemiology of malaria is mismatched?
A) vector — Ixodes B) etiology — Plasmodium C) found in liver — sporozoites D) diagnosis — presence of merozoites E) treatment — chloroquine when possible
Biology & Microbiology