Low level of adrenal cortex hormones results in ________

#Question id: 39563

#Biochemistry

Which statements about electrochemistry are correct?

I. Voltaic cells produce electricity spontaneously
II. Electrolytic cells require external current
III. Electrons flow from cathode to anode in voltaic cells

#Question id: 39564

#Biochemistry

Regarding polymers in biological systems:

I. Proteins are polymers of amino acids
II. Polysaccharides are polymers of nucleotides
III. Nucleic acids are polymers of nucleotides

#Question id: 39565

#Biochemistry

Chemical bonding statements:

I. Covalent bonds involve electron sharing
II. Ionic bonds involve electrostatic attraction
III. Hydrogen bonding is stronger than covalent bonding

#Question id: 39566

#Biochemistry

Stereochemistry-related statements:

I. L-amino acids are biologically active
II. D-sugars are commonly found in nature
III. Only planar molecules are optically active

#Question id: 39567

#Biochemistry

Assertion (A): Benzene is aromatic due to delocalized π electrons.

Reason (R): Benzene follows Huckel’s rule with (4n + 2) π electrons.

#Question id: 39568

#Biochemistry

Assertion (A): Aliphatic compounds are saturated or unsaturated straight or branched chains.

Reason (R): They do not contain aromatic rings.