The kind of vegetation in a tropical rain forest is generally determined by the amount of
A) rainfall.
B) organic material in the soil.
C) minerals in the soil.
D) light.
Answer: A
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An endotoxin is
A) the toxic portion of the LPS. B) a toxin produced within archaeal cells. C) a toxin known for its primary attack on the epidermis of mammals. D) a toxin produced in the periplasm of most bacteria.
The study of fungi is called ____
a. ecology b. botany c. mycology d. microbiology e. parasitology
Cancer can result from:
A. problems metabolizing oxygen B. abnormal pancreatic functioning, which can alter hormone levels C. the adrenal glands releasing insufficient cortisol D. stress, which releases hormones that suppresses immune functioning
Which of the following is a feature shared by viruses and living organisms?
A) possession of a genome that directs synthesis of materials necessary for replication B) presence of cytoplasm C) metabolic capability D) responsiveness E) the ability to increase in size