DNA Review

Which of the following make up a nucleotide?

• Sugar, phosphate, nitrogenous base

• Adenine, thymine, uracil

• Phosphate, sugar, hydrogenous base

• Nitrogen, sugar, phosphorus base

Adenine bonds with

• Guanine

• Phosphate

• Cytosine

• Thymine

Guanine bonds with

• Adenine

• Phosphate

• Cytosine

• Thymine

What is the function of DNA?

• It serves as the blueprint for making proteins

• It speeds up chemical reactions

• It provides energy for cells

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

• ATG TGA CAG

• GTA AGT GAC

• TAC ACT GTC

• CAT TCA CTG

Which organelle contains the cell's DNA?

• Cell membrane

• Vacuole

• Nucleus

• Ribosome

Which 2 molecules form the backbone of DNA?

• deoxyribose and nitrogen

• phosphate and hydrogen

• deoxyribose and phosphate

• phosphate and nitrogenous base

Which strand is complementary to a DNA sequence that reads: AATCATGGA ?

• AATCATGGA

• UUAGUACCU

• GGATAUCUA

• TTAGTACCT

Nitrogenous bases are joined by which type of bond?

• Covalent bond

• Ionic bond

• Hydrogen bond

• Super glue

Which type of bond connects the sugar of one nucleotide to the phosphate of a second nucleotide in DNA's backbone?

• Ionic bond

• Covalent bond

• Hydrogen bond

• Nitrogen bond