Which one of the following structures is NOT part of the respiratory zone:

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#Question id: 39560

#Biochemistry

Polymers are important in biology because:

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#Question id: 39561

#Biochemistry

Stereochemistry is crucial in biochemistry because:

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#Question id: 39562

#Biochemistry

Which of the following correctly describes chirality?

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#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

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#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

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#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