Nucleic Acids

Which two types of nucleic acids are found in living organisms?

• DNA and RNA

• DNA and ATP

• RNA and ATP

• DNA and glucose

Which of the following characterizes DNA in cells?

• Provides directions for its own replication and controls protein synthesis

• Provides energy for cellular activities through phosphate hydrolysis

• Breaks down nutrients and recycles them into new cell parts

• Transports oxygen in the blood

What is gene expression?

• The process by which DNA directs RNA and protein synthesis

• The process of breaking down glucose into ATP

• A form of communication that involves magic lamps

• A method of cell cycle control that occurs exclusively during the G1 phase

Where are ribosomes located in a eukaryotic cell?

• In the cytoplasm

• In the nucleus

• In the mitochondria

• In the cell wall

What are the three parts of a nucleotide?

• Nitrogenous base, five-carbon sugar, phosphate group

• Amino group, carboxyl group, basic R group

• Three fatty acids, esterified glycerol, phosphate group

• Father, son, holy spirit

Which of the following is a pyrimidine base found in nucleic acids?

• Cytosine

• Adenine

• Guanine

• Uracil

Which of the following nitrogenous bases is a purine?

• Adenine

• Guanine

• Cytosine

• Thymine

• Uracil

Which of the following is a component of a nucleotide?

• Nitrogenous base

• Amino acid

• Fatty acid

• Glycerol

What is the main difference between deoxyribose and ribose sugars?

• Deoxyribose lacks an oxygen atom on the second carbon in the ring

• Ribose lacks an oxygen atom on the second carbon in the ring

• Deoxyribose has an extra phosphate group on the second carbon in the ring

• Ribose is only found in DNA

Which nitrogenous base is found only in RNA and not in DNA?

• Uracil

• Thymine

• Adenine

• Guanine