PS Quiz Review

Which sequence of DNA bases would pair with this partial strand
ATG TGA CAG

• ATG TGA CAG
• TAC ACT GTC
• GTA AGT GAC
• CAT TCA CTG

Which of the following best describes a DNA molecule?

• double helix
• contains ribose
• made of amino acids
• contains Uracil

Guanine bonds with ______________.

• Adenine
• Guanine
• Cytosine
• Thymine

Which 2 molecules form the sides (backbone) of the DNA ladder?

• deoxyribose sugar and adenine
• deoxyribose sugar and a hydrogen bond
• deoxyribose sugar and the nucleus
• deoxyribose sugar and phosphate

What are the three components of a nucleotide?

• sugar, hydrogen, nitrogen base
• sugar, oxygen, nitrogen base
• sugar, phosphate, nitrogen base
• sugar, phosphate, protein

Adenine bonds with ______________.

• Guanine
• Thymine
• Cytosine
• Adenine

RNA contains the sugar

• ribose
• deoxyribose
• glucose
• lactose

Which of the following statements is true?

• DNA is single-stranded
• RNA is single-stranded
• DNA contains uracil
• RNA contains deoxyribose

Which is Not a function of proteins?

• Help protect the body

• Contain the recipe to make proteins

• They are key to cell structure and function

• Catalyze chemical reactions

What is the role of mRNA

• Carry an amino acid to the ribosome

• Copy the instructions from DNA and carry it out of the nucleus

• Make up the ribosomes