The process of germination begins with ____
a. one sperm cell fusing with an egg
b. one sperm cell fusing with the endosperm mother cell
c. pollen landing on a stigma
d. water soaking into soil
e. water seeping into a seed
ANSWER: e
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A cytoskeleton is
A. composed of microtubules, microfilaments, and intermediate filaments. B. a structure that aids in the process of cell division. C. found in the cytoplasm of eukaryotic cells. D. a system of tracks used for intracellular transport. E. All of the answer choices are correct.
If the DNA coding sequence was CGA?ATC,
the mRNA would be
a. GCU?UAG. b. AUC?CGA. c. UAG?GCU. d. UAG?CGU. e. none of these
Two chains of DNA must run in __________ direction(s) and must be __________ if they are to bond
with each other. a. the same; uncomplementary b. opposite; uncomplementary c. parallel; uncomplementary d. parallel; complementary e. antiparallel; complementary
A serum sample from a patient is examined on an electron microscope, and observed to contain Dane particles, filamentous, and spherical virion particles in abundance. This observation indicates infection with
A) human herpesvirus 1. B) EBV. C) hepatitis B. D) hepatitis D. E) VZV.