In which ponds did male guppies have the widest range of variation in the number of spots?

a. ponds with no predators
b. ponds with cichlids
c. ponds with killifish


c

Biology & Microbiology

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Activated B cells divide to form plasma cells and memory B cells, both of which are short-lived and secrete copious amounts of antibody molecules into the bloodstream

a. True b. False Indicate whether the statement is true or false

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Explain the hypersensitive response

What will be an ideal response?

Biology & Microbiology

When is a cell in metaphase?

a. The chromosomes are visible as threadlike structures. b. The nuclear envelope is clearly visible. c. The chromosomes are aligned at the midplane of the cell. d. The chromosome are separated into distinct groups at opposite poles of the cell. e. Cytokinesis is occurring

Biology & Microbiology

Infection of the skin by Trichophyton rubrum results in raised red scaly patches of skin, a condition known as

A) dermatophytosis. B) candidiasis. C) mucormycosis. D) pityriasis. E) sporothrichosis.

Biology & Microbiology