Which of the following infects only plants?

A) Virus
B) Prion
C) Viroid
D) Capsid


C

Biology & Microbiology

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Which term most precisely describes the cellular process of breaking down large molecules into smaller ones?

A. catalysis B. metabolism C. anabolism D. dehydration E. catabolism

Biology & Microbiology

If two atoms belong to the same element, which of the following must be true

a. They have the same number of ions. b. They have the same number of neutrons. c. They have the same number of electrons. d. They have the same number of protons.

Biology & Microbiology

Select the statement about coccidioidomycosis that is false.

A. Coccidioidomycosis is most often acquired by inhalation of the arthroconidia. B. Coccidioidomycosis may disseminate throughout the body in immunocompromised individuals. C. In the United States, Coccidioidomycosis is most often encountered in the southwestern states. D. In most infected patients, Coccidiodomycosis causes an acute pneumonia characterized by production of large amounts of purulent sputum.

Biology & Microbiology

Each of the following is true about Ras except

A) Ras is monomeric. B) Ras activity is inhibited by GTPase activating proteins (GAPs). C) Ras binds steroid hormones. D) Ras is activated by Sos, a guanine nucleotide exchange factor. E) Ras activates a cascade of phosphorylation events within the cell.

Biology & Microbiology