Molecular Basis of Heredity

A major difference between DNA and RNA is RNA has which of the following bases?

• A

• U

• C

• G

In what part of DNA is the genetic code stored?

• the nucleotide sequence

• the hydrogen bonds

• the covalent bonds

• the phosphate groups

DNA resembles __________________.

• interlocking gears

• a twisted ladder

• a benzene ring

• a single stranded molecule

The steps (rungs) of the DNA ladder are made up of __________.

• phosphate groups

• sugars

• nitrogen bases

• amino acids

Which of the following is true of DNA but not of RNA?

• It is made up of a single strand of nucleotides.

• It contains the sugar deoxyribose.

• It leaves the nucleus to translate protein.

• It contains the nitrogen base uracil.

DNA has the following bases:

GGT AGG CCA

What mRNA would be created from this strand?

• CCA UCC GGU

• CCA TCC CCT

• GGU UCC CCA

• CCT TCC CCA

Tags

NGSS.HS-LS1-1

Which of the following best represents the Central Dogma?

• DNA --> RNA --> proteins

• RNA --> DNA --> proteins

• DNA --> proteins --> RNA

• proteins --> RNA --> DNA

The following is a section of mRNA:

AUC - CUA - ACC - UAG

What's the anticodon for the third amino acid?

• TGG

• UGG

• ACC

• AUG

DNA makes a copy of itself

• transcription

• translation

• replication

DNA makes RNA

• transcription

• translation

• replication