GENE EXPRESSION QUIZ

what is the sugar in DNA?

• ribose

• nitrogenous base

• phosphate group

• deoxyribose

3 parts of a nucleotide

• phosphate group, 5 carbon sugars,nitrogenous base

• 5 carbon sugars, ribose,proteins

• double helix,single stranded, double stranded

Chargaffs rules: the amount of (blank) should be equal the amount of (blank)

• adenine

• thymine

• ribose

• guanine

• cytosine

hydrogen bonds do what in DNA?

• carbon sugars

• creates cells

• creates proteins

• holds bases together

What is the first step in replication and transcription?

• mRNA

• create amino acids

• Unwinds DNA

• codons

purpose of transcription

• used DNA to make RNA

• takes mRNA and transforms it to tRNA

• creates proteins

• makes codons

what does a codon code for?

• it codes for DNA polymerase

• it codes for proteins

• it codes for specific amino acids

Tags

NGSS.HS-LS1-1

what is a nucleic acid named for?

• named for amino acids

• named for 5 carbon sugars

• named for Watson and cricks discovery

• named for proteins

what did Watson & Crick get credit for?

• Discovery of DNA being a double-helix

• Discovery of DNA

• Discovery of RNA

• Discovery of proteins

role of DNA polymerase-

• A=G

• to unwind RNA

• uses old DNA strands to make new DNA strands