17. Proteins are long chains of amino acids joined together by peptide bonds. Which structure properly depicts the peptide bond formed between two generic amino acids? A) H,N- CH- CH-0 B) R2 H,N-CH ŘI H. C) H H;N-CH-N- CH-C-o R, D) H;N-CH-Ĉ-0-Ñ-CH-C-0- RI R2
Neutral Amino Acids
Amino acids which do not have any charge on them are neutral amino acids.
Globular Protein
The globular proteins refer to the shape of protein specifically spherical in nature apart from spherical form fibrous, disordered and membrane-bound proteins exist. These globular proteins are miscible in water and form a colloidal solution rather than other types which might not exhibit solubility. Many classes of the fold are found in globular proteins, which render them a sphere shape. Globular fold containing proteins usually are referred to by the term globin.
Dimer
Dimers are basic organic compounds, which are derivates of oligomers. It is formed by the combination of two monomers which could potentially be strong or weak and in most cases covalent or intermolecular in nature. Identical monomers are called homodimer, the non-identical dimers are called heterodimer. The method by which dimers are formed is known as “dimerization”.
Dipeptide
A dipeptide is considered a mixture of two distinct amino acids. Since the amino acids are distinct, based on their composition, two dipeptide's isomers can be produced. Various dipeptides are biologically essential and are therefore crucial to industry.
![15. Which of the following best describes the primary function of mRNA in a cell?
A) To serve as a coenzyme in the enzyme-catalyzed hydrolysis of proteins
B) To serve as the template strand in the synthesis of DNA
To transcribe the instructions for protein synthesis from DNA and carry this information to the
C)
ribosomes
D) To transport amino acids to the ribosomes for protein synthesis
16. Insulin is important in regulating which physiologically important sugar?
A) fructose
B) galactose
C) glucose
D) ribose
17. Proteins are long chains of amino acids joined together by peptide bonds. Which structure
properly depicts the peptide bond formed between two generic amino acids?
A)
H,N
CH-
R2
B)
R2
ketotete
H,N-CH-
N -CH-C-O
R
H.
C)
H,N-
CH-N
CH-
R,
R2
D)
H
H,N-CH-C
CH-
R,
R2
18. Which compound has the lowest melting point?
A) CH3(CH2)14COOH
B) CH3(CH2)10CH=CH(CH2)2COOH
C) CH3(CH2)2CH=CH(CH2)4CH=CH(CH2)4COOH
D) CH3(CH2)½CH=CH(CH2)2CH=CH(CH2)2CH=CH(CH2)2COOH
19. The polar head group of a phospholipid
A) includes a phosphorus.
B) is usually uncharged.
C) form the hydrophobic interior of the membrane.
D) is attached via an ether bond.](/v2/_next/image?url=https%3A%2F%2Fcontent.bartleby.com%2Fqna-images%2Fquestion%2Fb6391df9-34cc-4005-aa8c-83a49a713e89%2F1266d8ee-37ab-4f63-898c-faf094b70208%2F3cxx0u_processed.jpeg&w=3840&q=75)
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