Ricin Is Made from Castor Beans and Is a Strong

question 1

Multiple Choice

Ricin is made from castor beans and is a strong toxin which:

• A) removes an adenine from 28S rRNA.
• B) glycosylates tRNA.
• C) inhibits protein synthesis initiation.
• D) blocks the A binding site.
• E) coats the mRNA.

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Definitions:

Transient Exuberance

The rapid and temporary increase in the number of neural connections in the brain, which occurs in early childhood.

Pruning

The process by which the brain reduces the number of synaptic connections, typically occurring during puberty to increase the efficiency of neuronal transmissions.

Smell Recognition

The ability to identify and distinguish between different odors, an important aspect of sensory perception in humans and many animals.

Nuzzled

A gentle or affectionate rubbing or pushing of one's nose or face against someone or something.