The Structural Similarities of EF-G and the EF-Tu·tRNA Complex Indicate

question 42

Multiple Choice

The structural similarities of EF-G and the EF-Tu·tRNA complex indicate

• A)EF-G may be used as a substitute for EF-Tu.
• B)EF-G may play a role in displacing the tRNA growing peptide.
• C)EF-G may mediate a change in conformation that facilitates EF-Tu binding.
• D)EF-G may be involved in facilitating binding of initiation factors.
• E)EF-G and EF-Tu are both required for proper initiation.

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Definitions:

Elisabeth Kübler-Ross

A psychiatrist known for her groundbreaking work on the five stages of grief.

Dying Stage

The final phase of an individual’s life cycle, marked by the gradual cessation of bodily functions leading to death.

Opiates

Natural or synthetic drugs derived from or resembling opium, typically used for pain relief but also known for their potential for addiction.

Double Effect

When an action (such as administering opiates) has both a positive effect (relieving a terminally ill person’s pain) and a negative effect (hastening death by suppressing respiration).