When house plants grow toward a window they demonstrate the ability of living organisms to respond to their environment

a. true
b. false


Answer: a. true

Biology & Microbiology

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Which of the following is an overgrowth of cells that serves no useful purpose?

A. tumor B. oncogene C. protooncogene D. growth E. callus

Biology & Microbiology

External cues such as increasing day length or warming after a cold snap stimulate gibberellin

synthesis, which results in bolting in plants such as cabbages.

Indicate whether the statement is true or false.

Biology & Microbiology

All steroids have

a. the same number of double bonds. b. one or more fatty acids. c. four rings of carbon to which other atoms are attached. d. the same functional groups. e. the same number and positions of double bonds.

Biology & Microbiology

The restriction enzyme BamHI recognizes the DNA sequence GGATCC and always cuts between the two G nucleotides. How many bases long is the sticky end of a DNA molecule that has been cut with BamHI?

A) two B) three C) four D) five

Biology & Microbiology