1) A carbon atom double bonded to an oxygen atom and also single bonded to anoth

Question

1) A carbon atom double bonded to an oxygen atom and also single bonded to another atom, which in turn is bonded to a hydrogen atom, is what kind of functional group?

a) amine group b) carboxyl groyp c) carbohydrate group d) amino acid group

2) An essential amino aicd is an amino acid that __________. Choose best one.

a) the body cannot make b) the body can make c) the body needs d) the body doesn't need

3) Generally, when bonding two organic molecules together, a _______ molecule is formed.

a) carbohydrate b) peptide c) water d) protein

Explanation / Answer

1.

Answer is (b) carboxyl group

Its a carboxyl functional group (-COOH group)

2.

Answer is (a) the body cannot make

An essential amino acid or indispensable amino acid is an amino acid that cannot be synthesized de novo (from scratch) by the organism, and thus must be supplied in its diet. The nine amino acids humans cannot synthesize are phenylalanine, valine, threonine, tryptophan, methionine, leucine, isoleucine, lysine, and histidine.

3. Answer is (a) carbohydrate

A carbohydrate formed by the covalent bonding of two monosaccharides.

Related Questions

Navigate

• Browse (All)
• Browse 1
• Subjects

Integrity-first tutoring: explanations and feedback only — we do not complete graded work. Learn more.