Answer:
Glutamic acid
Explanation:
Reductive amination is a form of amination that involves the conversion of a carbonyl group to an amine via an intermediate imine. The carbonyl group is most commonly a ketone or an aldehyde. In this reaction, in the presence of enzyme glutamate dehydrogenase, ammonium ion directly combines with alpha-ketoglutaric acid, to form glutamic acid (amino acid) and for this to happen, a reduced coenzyme (NADPH) is required.
The biosynthesis of glutamic acid can be obtianed from the reductive amination of γ-ketoglutaric acid
γ-Ketoglutaric acid is a common precursor in synthesis of glutamic acid. Addition of NADPH and ammonia or alpha amino acid with γ-Ketoglutaric acid produces glutamic acid. Enzymes involved in this reduction amination process are glutamate dehydrogenase and/or transaminase.
Red Blood Cells make up 41% of the blood's volume.
Answer:
Skin pigmentation in humans
Explanation:
Skin pigmentation is a very common example in polygenic inheritance. This inheritance is represented by two gene pairs: Aa and Bb.
Thus, A and B determine the production of the same amount of melanin pigment and have additive effect. Therefore, there are several shades of color in human skin, according to the amount of genes A and B.
Offspring of parents with one very dark skinned and one very light skinned may give an intermediate skin color. Heterozygous parents for skin color can lead to offspring with darker or lighter skin than their own.
Answer:
c
Explanation:
it is older because it was buried deeper than the fossil in layer d
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