DNA

The H+ in the Carbon 2' is for

• DNA

• RNA

The four nitrogenous bases in DNA are

• A T U C

• A U G C

• A T C G

• A T U G

Purines are

• A C

• A T

• A G

• C G

A nucleotide is

• Sugar + Phosphate group + Nucleoside

• Nucleotide + Phosphate group + Nitrogenous base

• Sugar + Phosphate group + Nitrogenous base

• Sugar + Phosphate group + ATP

True or False: DNA is a double helix

• True

• False

What is the correct DNA sequence

ATGCCCGTACGATGCTGA

• ATGCCCGTACGATGCTGA

• AUGCCCGYACGAUCUGA

• UACGGGCAUGCTACGACU

• TACGGGCATGCTACGACT

A codon is

• An enzime that unzip genes

• A protein that binds nucleotides

• Three nitrogenous bases

• Three base pairs

Before any cell division, its DNA must be copied first. This definition is for

• Replication

• Transcription

• Translation

The difference between DNA and RNA are

• DNA has H and RNA OH in the 3' carbon

• DNA has H and RNA OH in the 2' carbon

• In DNA T is present and in RNA U is present

• DNA is double strand and RNA is single strand

DNA stands for