The internal membrane structure of the
cyanobacteria indicates that they may have been the
forerunners of
a. eukaryotic cells.
b. chloroplasts.
c. mitochondria.
d. endoplasmic reticula.
e. ribosomes.
Answer: b
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Place the following hypothesized events of the beginning of life in their correct order
I organic polymers form II inorganic molecules form III DNA-based cells form IV organic monomers form V protocells in the RNA world form
a. I, III, V, IV, II b. II, I, IV, V, III c. II, IV, I, V, III d. IV, I, II, III, V e. II, I, IV, V, III
Atrial Naturiuretic Peptide is produced in the
a. bloodstream. b. adrenal cortex. c. adrenal medulla. d. kidneys. e. heart.
The optimum pH for most bacteria is near ___.
a. 7 b. 6 c. 5 d. 9
What relatively recent scientific advancement has made mapping by linkage or classical genetic mapping approaches virtually obsolete?
A) the use of synteny B) the inclusion of the X and Y chromosomes in SNP experiments C) positive interference D) negative interference E) the genome sequence of a species