Which of the Following Is False with Respect to the Harvard

question 3

Multiple Choice

Which of the following is false with respect to the Harvard Alumni Health Study?

• A) Men who participated in university sport did not have a lower risk of CHD unless they maintained a high level of physical activity
• B) Energy expenditure in physical activity was inversely associated with CHD risk
• C) Active men had a lower risk of CHD in the presence and absence of other major risk factors
• D) Very high levels of physical activity were associated with an elevation in CHD risk

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Definitions:

Lagging Strand

In DNA replication, the strand that is synthesized discontinuously in short segments opposite the direction of replication fork movement.

Avery

Avery refers to Oswald Avery, a scientist known for demonstrating that DNA is the substance that causes bacterial transformation.

Hershey and Chase

Scientists who conducted experiments in 1952 proving that DNA, not protein, is the genetic material in bacteriophages.

Polynucleotide Strand

A sequence of nucleotides that forms part of a nucleic acid molecule.