EXAM 3 GEN. BIOLOGY QUIZIZZ REVIEW

What type of organic molecule is DNA?

• Carbohydrate

• Lipid

• Protein

• Nucleic Acid

DNA stores genetic information which is a complete set of instructions for manufacturing ___.

• proteins

• carbohydrates

• lipids

• nucleic acids

The monomer (subunit) of DNA and RNA is a ________.

• nucleotide

• amino acid

• sugar

• lipid

Which of the following is not a part of a nucleotide?

• Sugar

• Phosphate

• Nitrogenous base

• Amino acid

Which nitrogenous bases have one ring to their chemical structure?

• Adenine and Guanine

• Cytosine and Thymine

• Adenine and Thymine

• Cytosine and Guanine

Which bases below are purine bases?

• Adenine and Thymine

• Cytosine and Guanine

• Adenine and Guanine

• Thymine and Cytosine

Which of the following is true about DNA vs. RNA?

• DNA is double-stranded, while RNA is single-stranded.

• RNA is double-stranded, while DNA is single-stranded.

• Both DNA and RNA are double-stranded.

• Both DNA and RNA are single-stranded.

Which 2 DNA nitrogenous bases are correctly paired?

• THYMINE AND ADENINE

• ADENINE AND CYTOSINE

• GUANINE AND CYTOSINE

• GUANINE AND THYMINE

What type of bond joins the 2 sides of the DNA molecule together?

• nitrogen

• carbon

• oxygen

• hydrogen

Replication means to make _____

• a copy

• a mistake

• a decision

• a promise