The medulla oblongata is a primary respiratory control center. It’s main function is to send signals to the muscle that controls respiration to cause breathing to occur. There are two regions in the medulla that control respiration the ventral respiratory group stimulates expiratory movement.
Answer:
The most common gene therapy vectors are viruses because they can recognize certain cells and carry genetic material into the cells' genes. Researchers remove the original disease-causing genes from the viruses, replacing them with the genes needed to stop disease.
Explanation:
The answer is B. Hope this helps. Please mark Brainliest:)
When parallel light rays exit a concave lens the light rays diverge. Option A. This is further explained below.
<h3>What is ray divergence?</h3>
Generally, ray divergence is simply defined as when light rays begin at a point and diverge,
In conclusion, when light rays begin at a point and spread, it is called ray divergence.
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I would go with the second one cuz
DNA<span> and RNA </span>consists<span> of nucleic acid </span>chains<span> called nucleotides. Nucleotides are </span>composed<span> of three units: base, sugar (monosaccharide) and phosphate. Bases are found in both </span>DNA<span> and RNA. </span>
