Hypothyroidism due to disease of the thyroid gland is associated with increased plasma levels of

TLS Online TPP Program

#Question id: 39562

#Biochemistry

Which of the following correctly describes chirality?

TLS Online TPP Program

#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

TLS Online TPP Program

#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

TLS Online TPP Program

#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

TLS Online TPP Program

#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

TLS Online TPP Program

#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.