Which of the following is important in microscopy?
a. resolving power
b. number of lenses
c. base weight
d. angle of adjustment knobs
a. resolving power
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Rank the elements carbon, sodium, calcium, and iodine in order of greatest abundance in living organisms
A. CNaCaI B. ICaNaC C. ICCaNa D. CCaNaI
Some cytoskeletal elements are more permanent than others. Which components of the cytoskeleton are dynamic structures?
A. microtubules B. microfilaments C. intermediate filaments D. both microtubules and intermediate filaments E. both microtubules and microfilaments
As electrons are passed through the electron transport chain, the series of redox reactions generates free energy that is used for what purpose?
a. The free energy is used to pump hydrogen ions (protons) across the mitochondrial membrane. b. The free energy is shuttled to glycolysis to aid in the metabolism of glucose. c. The free energy is used to manufacture enzymes to regulate cell metabolism. d. The free energy is stored and used to drive cell processes when ATP is in short supply.
A mountain lion, or puma, has the scientific name Felis concolor. The term Felis is the
A) species. B) genus. C) kingdom. D) order. E) family.