In the 1920s a Dye Was Developed That Bound to DNA

question 65

Multiple Choice

In the 1920s a dye was developed that bound to DNA and stained nuclei in direct proportion to the amount of DNA present in cells. The resulting experiments

• A) provided circumstantial evidence that DNA is the genetic material.
• B) proved DNA is the genetic material.
• C) demonstrated that all species had the same amount of nuclear DNA.
• D) demonstrated that diploid and haploid cells could not have differing amounts of DNA.
• E) confirmed that DNA was an important component of mitochondria and chloroplasts.

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Definitions:

Significantly Different

A term used to describe a result in statistical analyses indicating that observed differences or effects are unlikely to have occurred by chance.

Significantly Equal

A term not typically used in statistics; might refer to the concept of achieving statistical significance to claim no difference or equivalence between groups.

T-test

An analytical procedure for assessing if the average scores of two separate groups are significantly dissimilar.

Null Hypothesis

A statement in hypothesis testing that proposes no significant difference or effect, serving as the default assumption to be tested against.