Which of the following statements about

complement proteins is false?
a. flag antigens for destruction
b. can destroy pathogens directly
c. enhance lymphocyte response
d. exclusively bacterial DNA associated
e. none of these are correct


Answer: d

Biology & Microbiology

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The plant hormone ____ is generally responsible for long-term inhibition of plant growth such as in buds and seeds

a. auxin b. gibberellin c. oligosaccharin d. brassinosteroid e. abscisic acid

Biology & Microbiology

Placing a ripe apple with other apples that are not ripe will cause the other apples to ripen sooner

Which type of plant hormone is responsible for this effect?

a. brassinosteroids b. ethylene c. auxins d. oligosaccharins e. abscisic acid

Biology & Microbiology

Which organ of the gastrointestinal tract has a large commensal population of microorganisms?

A. Large intestine B. Small intestine C. Pancreas D. Liver E. Salivary glands

Biology & Microbiology

Which of the following is an example of artificial selection?

A) Green tree frogs that blend perfectly into their leafy surroundings B) The many different breeds of domestic cats C) The many different species of Oak trees found in the forest. D) Cheetahs that can outrun their prey E) All of the above

Biology & Microbiology