DNA Structure and Transcription

Which shows the correct complementary base pairing for DNA?

• C bonds with A; T bonds with G

• C bonds with G; U bonds with A

• A bonds with G; C bonds with T

• T bonds with A; G bonds with C

Which of the following best describes a DNA molecule?

• double helix

• contains ribose

• made of amino acids

• contains uracil

Tags

NGSS.HS-LS1-1

In a molecule of DNA, the amount of adenine present is always equal to the amount of

• cytosine

• thymine

• guanine

• uracil

What does DNA stand for?

• deoxyribonucleic acid

• deribonucleic acid

• denitrogenous acid

• diribonucleic acid

What is the correct complimentary strand for the following DNA?

ATCGAG

• TACGAG

• TAGCTG

• ATCGAG

• TAGCTC

The double-ringed nitrogenous bases are called ___________ and include _______________.

• purines; cytosine

• pyrimidines; thymine

• pyrimidines; cytosine

• purines; guanine

Tags

NGSS.HS-LS3-1

In RNA, what does uracil pair with?

• cytosine

• guanine

• adenine

• thymine

What is the process that goes from DNA to mRNA?

• translation

• replication

• transcription

• transformation

Choose the nucleotide sequence of the mRNA strand that would be made from the following strand:

GTAGTCA

• UATUAGA

• CAUCAGU

• ACGACTG

• CATCAGT

Tags

NGSS.HS-LS1-1

What is the job of tRNA?

• Makes up the ribosomes

• brings amino acids to the ribosome in the correct order

• carries the coded instructions for making protein to the ribosome

• it is the master copy of the genes