DNA structure and replication

DNA is an acronym for _____

• Diphosphorus Nucleic Acid

• Ribose Nucleic Acid

• Deoxyribonucleic Acid

• Deoxyribonucleic Acetate

Primary functions of DNA are (mark all that apply)

• Transmit information on heredity from one generation to the next

• Control cellular respiration

• Regulate homeostasis

• Provide a blueprint for making proteins

A nucleotide is composed of

• A phosphate, sugar and nitrogenous base

• A protein, protein and Guanine

• A phosphate, Adenine, and nitrogenous base

• A protein, Adenine and nitrogenous base

Which of the following is a base pair?

• Adenine - Cytosine

• Cytosine - Thymine

• Deoxyribose - Cytosine

• Cytosine - Guanine

The weak bonds between base pairs is a ___

• Covalent Bond

• Polar Bond

• Non Polar Bond

• Hydrogen

Which of the following best describes a DNA molecule?

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

What makes up the SIDES of a DNA ladder?

• nitrogen bases

• sugars & phosphates

• genes & chromosomes

• RNA

What makes up the rungs (steps) of a DNA ladder?

• sugars & phosphates

• nitrogen bases

• sugars

• genes & chromosomes

What is DNA made up of?

• nucleotides

• cytoplasm

• RNA

• cells

What do organisms have in common?

• DNA sequence made of A,C,T,G

• DNA sequence is in the same order

• DNA sequence between organisms have nothing in common

• DNA sequence made of A,U,C,T,G