Different molecular forms of the same gene are __________.

Fill in the blank(s) with the appropriate word(s).


alleles

Biology & Microbiology

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The job of a natural killer cell is to:

A. release histamine. B. destroy invading pathogens through phagocytosis. C. destroy infected or abnormal host cells. D. trigger inflammation.

Biology & Microbiology

In the 1700s, ____ classified organisms by their morphological similarities and differences, and in the 1800s, ____

provided the scientific rationale for the heritable basis of these morphological variations.

a. Mendel; Linnaeus b. Darwin; Linnaeus c. Linnaeus; Darwin d. Linnaeus; Mendel e. Mendel; Darwin

Biology & Microbiology

Simple diffusion

A. moves molecules against a concentration gradient. B. cannot occur without a membrane present. C. requires energy. D. utilizes proteins to move molecules across a membrane. E. does not require energy.

Biology & Microbiology

Bt crops contain a gene making them resistant to common herbicides. Indicate whether the statement is true or false

Biology & Microbiology