Two Athletes Jump Straight Up

question 27

Multiple Choice

Two athletes jump straight up. John has twice the initial speed of Harry. Compared to Harry, John stays in the air

• A) 0.50 times as long.
• B) 1.41 times as long.
• C) twice as long.
• D) three times as long.
• E) four times as long.

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Definitions:

Phytochrome Signal Transduction

A biochemical pathway in plants by which light signals are converted into cellular responses, mediated by phytochrome proteins.

Conformational Change

A change in the shape of a molecular structure, often referring to proteins or nucleic acids.

Transcription

The method by which RNA polymerase enzymes transcribe a portion of DNA into RNA.

Cryptochrome

A class of flavoproteins that are sensitive to blue light and are involved in the circadian rhythms and growth regulation of plants and animals.