DNA Discovery Structure and Function

Nitrogenous bases are joined by which type of bond?

• polar bonds

• ionic bonds

• covalent bonds

• hydrogen bonds

Tags

NGSS.HS-LS1-1

A five-carbon sugar found in DNA.

• ribose

• guanine

• deoxyribose

• helicase

If one strand of DNA runs 5' to 3' the other strand runs

• 5' to 3'

• 3' to 5'

• 5' to 5'

• 3' to 3'

Adenine bonds with ______________.

• Guanine

• Thymine

• Cytosine

• Adenine

Guanine bonds with ______________.

• Adenine

• Guanine

• Cytosine

• Thymine

Name this structure

• double helix

• nucelotide

• twisted ladder

• hydrogen bond

Tags

NGSS.HS-LS1-1

What are the 4 nitrogen bases?

• adenine, thymine, cytoplasm, and guanine

• adenine, thymine cytosine, and guanine

• adenine, thymine, cytosine, and gylcerol

• adenine, thymine, cytosine, and glucose

Tags

NGSS.HS-LS3-1

Which organelle is DNA usually found in?

• cell membrane

• vacuole

• chloroplast

• nucleus

Tags

NGSS.MS-LS1-2

In a molecule of double-stranded DNA, the amount of Adenine present is always equal to the amount of

• cytosine

• guanine

• thymine

• uracil

Tags

NGSS.HS-LS1-1

What is the correct complementary strand for the following DNA?ATCGAG

• TACGAG

• ATCGAG

• TAGCTG

• TAGCTC