DNA Protein

For Species A , transcribe the 2 DNA codons into mRNA that are missing below.

• ACT and GUA

• ACU and GTA

• ACU and GUG

• ACU and GTG

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

What is the correct order to make a protein?

• Protein, DNA, RNA

• RNA, DNA, Protein

• DNA, RNA, Protein

• Protein, RNA, DNA

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

What does DNA provide the code for?

• nitrogenous base pairing

• protein synthesis

• deoxyribose formation

• nucleotide synthesis

Tags

NGSS.HS-LS1-1

Which process is represented?

• nondisjunction

• translocation

• inversion

• insertion

A mutation causes a sequence of DNA that has the nucleotides TTG to be changed to TCG. The resulting protein has a different sequence of amino acids.  Which type of mutation is this?

• missense

• nonsense

• silent

• frameshift

Tags

NGSS.HS-LS1-1

NGSS.HS-LS3-2

Which step in transcription occurs first?

• mRNA moves the code from the nucleus to the ribosome for protein production.

• A gene is expressed through protein production.

• RNA polymerase attaches to the promoter.

• A repressor protein must attach to the operator.

The structure of DNA resembles a twisted ladder. Which structural components form the rungs of the ladder?

• deoxyribose sugars

• phosphate groups

• nitrogenous base pairs

• ribosomes

A strand of DNA contains the bases adenine, cytosine, cytosine, and guanine, in that order. Which would be the order of the bases on the opposite strand of DNA?

• cytosine, adenine, adenine, and thymine

• cytosine, thymine, thymine, and adenine

• thymine, guanine, guanine, and cytosine

• thymine, adenine, adenine, and cytosine