According to the accompanying figure, which of the following are large enough to see in the light microscope?
A) atoms
B) proteins
C) viruses
D) mitochondria
Answer: D
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A phenotypic technique of typing microbial strains that consists of serologic typing of bacterial or viral antigens, such as bacterial cell wall antigens of the organism of interest, is:
a. biotyping. b. antibiograms. c. serotyping. d. bacteriophage typing.
In which of the following animals do blood vessels carry a mixture of oxygenated and
deoxygenated blood?
a. swordfish b. blue-spotted salamander c. hawk d. kangaroo
The organisms responsible for the majority of primary production in marine environments are the copepods
Indicate whether the statement is true or false
The ability of animals to adjust to seasonal changes in temperature is called:a
acclimatization. b. estivation. c. homeostatic adjustment. d. torpor. e. hibernation.