The evolution of aerobic respiration ____ both oxygen and carbon dioxide levels in the biosphere
a. mutated
b. stabilized
c. increased
d. decreased
e. eliminated
b
Biology & Microbiology
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Roses are red because of which pigment?
a. anthocyanin b. chlorophyll b c. beta-carotene d. phycoerythrobilin e. chlorophyll a
Biology & Microbiology
The Michaelis constant (Km) of an enzyme is the substrate concentration that produces maximum velocity.
Answer the following statement true (T) or false (F)
Biology & Microbiology
If white eyes are produced by a recessive allele, what is the likely genotype of a white-eyed individual?
A. Rr B. RB C. rr D. RR
Biology & Microbiology
A relationship that has been established based on a large amount of observational and experimental data is a(n)
A) fact. B) assumption. C) conjecture. D) theory.
Biology & Microbiology