Biology Questions

During protein synthesis process, each tRNA carries one aminoacid for protein synthesis to the ribosomes.

The genetic information of the cell is DNA and is stored in the nucleus of the cell.

A cytoskeleton acts as a frame that gives a cell its shape, protects it to an extent, and helps with cellular motion.

True, poorly controlled stress and anger can lead to heart attacks and strokes.

A reflex arc is a neural pathway that controls a reflex. In vertebrates, most sensory neurons do not pass directly into the brain, but synapse in the spinal cord. This allows for faster reflex actions to occur by activating spinal motor neurons without the delay of routing signals through the brain.

The statements true about viruses are :

1. The capsid enters the host cell if the virus is enveloped.

2. Enveloped viruses bud from the host cell. 

3. HIV contains reverse transcriptase.

4. A retrovirus contains RNA.