DNA Structure and Function

Which sequence of complementary DNA bases would pair with this partial strand
ATG TGA CAG?

• ATG TGA CAG
• TAC ACT GTC
• GTA AGT GAC
• CAT TCA CTG

Tags

NGSS.MS-LS3-1

Which of the following best describes a DNA molecule?

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

Tags

NGSS.HS-LS1-1

What are the three components of a nucleotide?

• sugar, hydrogen, nitrogen base
• sugar, oxygen, nitrogen base
• sugar, phosphate, nitrogen base
• sugar, phosphate, protein

Adenine bonds with ______________.

• Guanine
• Thymine
• Cytosine
• Adenine

Guanine bonds with ______________.

• Adenine
• Guanine
• Cytosine
• Thymine

Replicate (duplicate) the following strand of DNA:

AATCATGGA

• AATCATGGA

• TTAGTACCT

• UUAGUACCU

• GGATAUCUA

Where does protein synthesis take place?

• Ligase
• Ribosomes
• Codon
• Endoplasmic Reticulum

DNA holds the code for

• lipids
• carbohydrates
• protein
• sugar

Tags

NGSS.HS-LS1-1

DNA molecule segment is : TTACGCAAG
The mutated DNA segment is TTCGCAAG. This is an example of ___ mutation.

• Substitution
• Deletion
• Insertion
• Inversion

Tags

NGSS.HS-LS3-2

NGSS.HS-LS4-2

mRNA is read in chunks of three, called...

• quadralets
• anticodons
• codons
• capsids

Tags

NGSS.MS-LS3-1