Indicate Which of the Following Statements Is FALSE

question 46

Multiple Choice

Indicate which of the following statements is FALSE.

• A) Covalent bonds connect nucleotides in a strand; noncovalent interactions hold strands into a double-stranded structure.
• B) Uracil is similar to thymine except that uracil lacks a methyl group on the carbon at position 5 on the carbon-nitrogen ring.
• C) Frederick Griffith demonstrated that a transforming chemical from dead bacteria could change the genetic information of living bacteria.
• D) Avery, MacLeod, and McCarty showed that DNA is the genetic information of cells and that RNA is the genetic information of viruses.
• E) The pyrimidine bases in nucleic acids are cytosine, thymine, and uracil.

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Definitions:

Cardiovascular Disease

A class of diseases that involve the heart or blood vessels, often associated with atherosclerosis and other conditions.

Hispanic Ethnicity

A demographic category referring to people with cultural ties to Spain or Spanish-speaking countries, especially those in Latin America.

Effect Measure Modifier

A variable that alters the direction or strength of the association between an exposure and an outcome.

Incidence Rate

The rate at which new cases of a condition, disease, or event occur in a population over a specified period.