Which statement best describes autotrophic organisms?
a. Autotrophs are exemplified by fungi.
b. Autotrophs are exemplified by animals.
c. Autotrophs cannot carry out cellular respiration.
d. Autotrophs depend on heterotrophs for food.
e. Autotrophs synthesize complex molecules from CO2, water, and energy.
e
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Which is a structural feature shared by DNA, RNA, and proteins?
A) The order of monomers is important for function. B) Each sequence of monomers folds into a different three-dimensional shape. C) Each molecule is a polymer of four different nucleotides. D) Two strands of monomers are connected by hydrogen bonding.
Vegetation is usually more dense and vigorous on the windward side of mountains than on the leeward side
Indicate whether the statement is true or false
Which is the correct sequence of the transfer of information in most organisms?
a. Protein to DNA to RNA b. RNA to DNA to protein c. DNA to RNA to protein d. RNA to protein to DNA
The study of the frequency and distribution of a disease in a defined population is
A. epidemiology. B. pathology. C. immunology. D. clinical microbiology. E. medicine.