DNA, RNA, and Protein Synthesis

What is a DNA molecule made up of?

• sugar molecules, phosphate groups and nucleotides

• nucleotides, nitrogen bases, and sugar molecules

• sugar molecules, phosphate groups and nitrogen bases

• sugar molecules, nucleotides and phosphate groups

Which of the following is NOT found in a DNA molecule?

• guanine

• thymine

• uracil

• cytosine

What is the amount of adenine in a DNA molecule always equal to (what does A always go with)?

• the amount of guanine

• the amount of thymine

• the amount of cytosine

• not enough information to determine

What are the bonds that hold together the nitrogen bases of a DNA molecule?

• weak covalent bonds which can only be broken by certain enzymes

• weak peptide bonds which require only heat to be broken

• weak hydrogen bonds which require an enzyme to break

• weak nitrogen bonds which are broken with heat

What are the sides of the DNA molecule made of?

• paired nitrogen bases

• deoxyribose sugar molecules and phosphate molecules

• ribose sugar molecules and nitrogen bases

• deoxyribose sugar molecules and nucleotides

The left side of a DNA molecule has the following order of bases: CAGCT. What would the right side be?

• GTCCT

• CAGCT

• GUCGA

• GTCGA

What is another name for a chain of amino acids?

• carbohydrate

• nucleotide

• DNA molecule

• protein

What does the order of the DNA nucleotides code for?

• order of amino acids

• order of phosphate

• order of fatty acids

• order of sugars

Tags

NGSS.HS-LS1-1

What molecules in DNA determine the order of bases in mRNA?

• sugars

• phosphates

• nitrogen bases

• covalent bonds

Which of the following base pairs would never be found in a cell?

• adenine : thymine

• cytosine : guanine

• thymine : uracil

• adenine : uracil