Almost all viruses are so small they cannot be seen without an electron microscope, and they often consist of just a nucleic acid (either DNA or RNA) in a protein capsule.
The pictured cell is in Metaphase as the chromosomes are lined up at the equator of the cell.
Answer:
The answer to the question is d
Vultures obtain energy from scavenging.
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Sensory neurons
Process
Light falls onto retina. The retina generates an impulse that is carried to the brain by the sensory neurons. An impulse is not carried by blood vessels, so that crosses out A. A muscle cant carry impulses either. Spinal cord isnt the answer because it doesnt have to go through the spine because the eye and brain is so close together