AP BIOLOGY

THE MOLECULAR BASIS OF INHERITANCE

STRUCTURE OF NUCLEIC ACIDS

Question [CLICK ON ANY CHOICE TO KNOW THE RIGHT ANSWER]
How does the structure of a nucleic acid compare to the structure of a protein?
A
Both are smaller subunits; nucleic acids make up nucleotides and proteins make up amino acids.
B
Both are larger compounds; nucleic acids are made of nucleotides while proteins are made of amino acids.
C
Nucleic acids are larger compounds made of amino acids, while proteins are smaller subunits that make up amino acids.
D
Nucleic acids are smaller subunits that make of ribosomes, while proteins are larger compounds made of amino acids.
Explanation: 

Detailed explanation-1: -Both are larger compounds; nucleic acids are made of nucleotides while proteins are made of amino acids. Nucleic acids are larger compounds made of amino acids, while proteins are smaller subunits that make up amino acids.

Detailed explanation-2: -Protein is a molecule made up of polypeptides. It is a class of biological molecule consisting of chains of amino acids called polypeptides. Nucleic acid is a class of macromolecules made up of long chain of polynucleotide that includes deoxyribonucleic acid (DNA) and ribonucleic acid (RNA).

Detailed explanation-3: -Nucleic acids are long chainlike molecules composed of a series of nearly identical building blocks called nucleotides. Each nucleotide consists of a nitrogen-containing aromatic base attached to a pentose (five-carbon) sugar, which is in turn attached to a phosphate group.

Detailed explanation-4: -The main difference between nucleotide and nucleic acid is that nucleotide is the monomer of nucleic acid whereas nucleic acid is a chain of nucleotides, which is capable of storing genetic information in the cell.

Detailed explanation-5: -Nucleic acid is important in storing, transmitting, and making useful the information necessary for the processes of life. Protein is composed of amino acids that are important for life functions. Lipids are composed of fats, oils, phospholipids, steroids, and waxes.

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