What Did the Experiment by Avery,MacLeod,and McCarty in 1944 with the R

question 38

Multiple Choice

What did the experiment by Avery,MacLeod,and McCarty in 1944 with the R and S strains of Streptococcus pneumoniae demonstrate?

• A)DNA was the genetic material in cells.
• B)R strain phenotype could spontaneously revert to S strain phenotype.
• C)Genetic material from one strain could be transferred to another strain.
• D)The ability of these bacteria to kill mice.
• E)That some strains of Streptococcus were not pathogenic.

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Definitions:

Altruistic Behavior

Behavior in which one individual helps another, seemingly at its own risk or expense.

Courtship Rituals

Behaviors intended to attract or maintain the attention of a potential mate. A courtship ritual may be a signal that triggers nest building, ovulation, or mating.

Dominance Hierarchy

A social structuring within a group of animals where individuals are ranked according to their access to resources, with a clear pecking order.

Hunting Group Size

The number of individuals in a group that come together to hunt prey, influencing the strategy and success of the hunt.