Genetic drift is the result of ________

A) natural selection
B) chance
C) a large gene pool
D) environmental variation


B

Biology & Microbiology

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After a plant has survived a microbial invasion, the rest of the plant is often less vulnerable to future infections. This is

called ____.

a. systemic acquired resistance b. wound defense c. gene-for-gene recognition d. hypersensitive response e. jasmonate response

Biology & Microbiology

Which of the following is capable of enzymatic activity?

a. lipids b. proteins c. carbohydrates d. minerals e. vitamins

Biology & Microbiology

Which region of the ? phage genome enables the linear chromosome to circularize when it enters a host cell?

A) cohesive (cos) site B) IS10 C) early operators D) integrase (int) gene E) excisionase (xis) gene

Biology & Microbiology

When conducting a scientific experiment, a(n) _____________ is tested.

A) theory B) prediction C) question D) answer E) null variable

Biology & Microbiology