Peroxisomes increased the fitness of the primitive protoprokaryote by removing toxic oxygen in the ancient earth.
a. true
b. false
Answer: a. true
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A site where a substrate binds to an enzyme
A) Polarity B) Compound C) Denaturation D) Monosaccharides E) Hydrogen bonds F) Element G) Triglycerides H) Amino acids I) Tertiary structure J) Active site
Resistance of some animals to certain viral diseases is based on
A. lack of spikes for attachment. B. phagocytosis of the virus by the host cell. C. the presence of the viral envelope. D. lack of specific receptors on the host cell.
When DNA sequences are compared, the closet living relative of humans is found to be the gorilla
__________________ Indicate whether the statement is true or false.
Apicomplexans share a unique structure called a _________. The function of this structure has not been conclusively defined, however it is thought to be crucial to the survival of the parasite.
A) flagella B) apical complex C) pseudopod D) vector