DNA Structure

What is DNA?

• instructions for making proteins

• a large molecule designed to operate part of a cell

• a set of homologous chromosomes

• a protein that guides all processes in a cell

Tags

NGSS.HS-LS1-1

Which vocabulary word is used to describe the shape of the DNA molecule?

• double helix

• triple cyclocarbon

• antiparrallel strands

• replication fork

Tags

NGSS.HS-LS1-1

What is a nucleotide?

• another word for gene

• instructions for making proteins

• the structural unit that makes up DNA

• another word for nitrogen base

What are the 4 different nucleotides? Select all that apply

• A, T, G, C

• A, U, G, C

• A, B, C, D

• A, B, O, i

• phosphate, sugar, nitrogen base, hydrogen

What is the complementary DNA strand for the sequence ATG ?

What is the complementary DNA strand for the sequence TCA ?

What is the complementary DNA strand for the sequence CCG ?

What is the complementary DNA strand for the sequence TCA ?

Label the parts of a nucleotide

a

b

c

sugar

phosphate group

nitrogen containing base