#Question id: 39562
#Biochemistry
Which of the following correctly describes chirality?
#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.