Chargaff's Rule States That

question 53

Multiple Choice

Chargaff's rule states that

• A) DNA must be replicated before a cell can divide.
• B) a virus can enter a cell only without its protein coat.
• C) only protein from the infecting phage can also be detected in progeny phages.
• D) only nucleic acids enter the cell during infection.
• E) the amount of cytosine equals the amount of guanine.

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Definitions:

Altruism

Selfless concern for the well-being of others, where individuals may act to benefit others even at a cost to themselves.

Kin Selection Theory

A theory in evolutionary biology that predicts organisms will behave altruistically towards their relatives to increase the chances of their genetic traits being passed on to future generations.

Cooperative Hunting

The action of different individuals or species working together to hunt prey, increasing their success rate compared to solo efforts.

Altruism

Behavior of an individual that benefits another at its own cost; in biology, it is often discussed in the context of evolutionary theory and social animals.