Biology EOC Biomolecules DNA Proteins

A section of DNA has these bases:

TAG CAG TAC

Which mRNA sequence is produced from this DNA section?

• ATC GTC ATG

• AUC GUC AUG

• AUG CUG AUC

• UTC GTC UTG

How do some chemicals increase the risk of a person getting cancer?

• by causing cell mutations

• by causing a deficiency of vitamin D

• by causing an increase of toxins in the skin

• by causing a decrease in the immune response

Tags

NGSS.HS-LS3-2

What is the difference between the DNA of a dog and the DNA of a fly?

• the type of sugar building blocks

• the sequence of nucleotides

• the strength of hydrogen bonds

• the strength of covalent bonds

Which best summarizes the role of DNA in the production of proteins?

• DNA moves to the cytoplasm to build proteins.

• DNA transports amino acids to the ribosomes to make proteins.

• DNA contains the instructions used to make proteins.

• DNA breaks hydrogen bonds between amino acids.

Tags

NGSS.HS-LS1-1

Which effect could a mutation in mRNA have on the production of proteins?

• The protein produced will have a different identity.

• The protein produced will have a coiled shape.

• The protein produced will produce excess nitrogen.

• The protein produced will produce excess water.

Tags

NGSS.HS-LS1-1

NGSS.HS-LS3-2

What carries the instructions for making amino acids in a protein?

• the nitrogen base on the tRNA

• the hydrogen bonding between nitrogen bases

• the sequence of nitrogen bases on the mRNA

• he nitrogen base bonding on the DNA molecule

During translation, what does the tRNA deliver to the ribosomes?

• amino acids

• DNA

• mRNA

• proteins

Which will most likely cause an increase in the frequency of genetic mutations in humans?

• increased exposure to mold spores in the air

• increased exposure to the rising levels of atmospheric CO2

• increased exposure to bacteria in drinking water

• increased exposure to X-rays

Tags

NGSS.HS-LS3-2

A strand of DNA has these bases:

AGC CAT GTA TAC

What is the complementary DNA strand?

• ACG GAT CTA TAG

• TCG GTA CAT ATG

• TGC CTA GAT ATC

• UCG CUA CAU AUG

Which statement best describes the relationship that exists among proteins, DNA, and cells?

• Proteins combine to produce cells, which produce DNA.

• Proteins are made up of DNA, which determines the cells that are produced.

• DNA is made up of proteins, which tell a cell how to function.

• Cells contain DNA, which controls the production of proteins.

Tags

NGSS.HS-LS1-1