The hematocrit is a measuure of the percentage of whole blood occupied by
a) WBC
b) platelets
c) RBCs
d) plasma
e) plasma proteins
Ans: c) RBCs
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All of the following biochemical techniques have allowed us to understand cell structure and function except
A) light microscopy. B) ultracentrifugation. C) chromatography. D) electrophoresis. E) mass spectrometry.
Which term did Mendel use when referring to traits that disappeared in the F 1 generation?
a. recessive b. discontinuous c. reciprocal d. continuous
Carbon, hydrogen, and oxygen are _____ for plants
a. macronutrients b. micronutrients c. trace elements d. required elements e. both macronutrients and required elements
In cats, short hair (L) is dominant to long hair (l). If a short-haired cat of unknown genotype is crossed with a longhaired
animal, and they produce one long-haired kitten and one short-haired kitten, this would indicate that ____.
a. the short-haired cat was true-breeding b. the short-haired cat was not true-breeding c. the long-haired cat was not true-breeding d. the long-haired cat was heterozygous e. neither parent was true-breeding