Unit 6: DNA, RNA, Protein Synthesis & Mutations

DNA (Deoxyribonucleic Acid) is the molecule that carries genetic information.

• The molecule that carries genetic information.

• A type of carbohydrate.

• A cellular organelle.

• A group of proteins.

RNA (Ribonucleic Acid) is a nucleic acid.

• A protein

• A nucleic acid

• A carbohydrate

• A lipid

A Nucleotide is a basic building block of nucleic acids, composed of a sugar, a phosphate, and a nitrogenous base.

• A building block of proteins

• A building block of carbohydrates

• A basic building block of nucleic acids

• A type of lipid

Deoxyribose sugar is defined as:

• A five-carbon sugar present in DNA

• A six-carbon sugar present in DNA

• A five-carbon sugar present in RNA

• A six-carbon sugar present in RNA

Ribose sugar is a monosaccharide that is an essential component of RNA.

• A monosaccharide that is an essential component of RNA

• A disaccharide found in many fruits

• A polysaccharide involved in energy storage

• A lipid that forms cell membranes

Determine what a Nitrogen(ous) base is.

• A compound that forms part of the structure of nucleic acids.

• A mineral.

• A carbohydrate.

• A protein.

The Double helix structure is the structure of DNA.

• It is the structure of DNA.

• It is the structure of proteins.

• It is a linear chain of nucleotides.

• It is unrelated to biological macromolecules.

Chargaff's Rule: A = T and C = G purines = pyrimidines.

• True

• False

A purine nitrogen base is a double ring structure. Choose the correct examples of such bases: adenine and guanine.

• Adenine and guanine

• Thymine and cytosine

• Uracil and cytosine

• Adenine and thymine

A pyrimidine nitrogen base is ?

• Cytosine

• Thymine

• Uracil

• Adenine