Complete the sentence below about vitamin A. is a form of vitamin A that plays an important role in vision. Vitamin A is important for many functions in the body. It plays a critical role in vision, helping you see images and differentiate colors, and also contributes to cell differentiation. Complete the sentence below about vitamin A. is a form of vitamin A that plays an important role in vision. Beta-carotene Retinoic acid Retinal Provitamin A

The correct answer is "Retinal".

Explanation:

Retinal, also known as retinaldehyde, is a form of vitamin A that plays an important role in vision. It was formerly known as retinene, and it comes from its name from retina, the thin layer of tissue that its inside the eye. Retinal is an important element in vision, it allows the conversion of light into metabolic energy.

the last one: artificial selection/genetic engineering

plant breeding is modifying the genetic composition of the plant - but this isn't cloning (which is specifically introducing a gene into a genome). but you are artificially selecting for the phenotype that you want.

the second one is literally genetic engineering - the gene would have been cloned first and then inserted or genetically engineered into the new plant cell (the cotton).

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