Molecular Biology EOC Review

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

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

Waxes create a waterproof layer on the outside of some living organisms. To which group of organic molecules do waxes belong?

• carbohydrates

• lipids

• nucleic acids

• proteins

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

A student noticed that the freshwater plant, Elodea, produced bubbles when placed in direct light. What could the student most likely conclude?

• Bubbles of carbon dioxide were produced as a result of photosynthesis.

• Bubbles of oxygen were produced as a result of photosynthesis.

• Bubbles of carbon dioxide were produced as a result of cellular respiration.

• Bubbles of oxygen were produced as a result of cellular respiration.

Tags

NGSS.HS-LS1-5

Plant cells are able to produce their own food. This process happens in which structure?

• cell wall

• chloroplast

• mitochondrion

• vacuole

Tags

NGSS.HS-LS1-5

NGSS.HS-LS2-5

Which statement best explains how sweating during exercise maintains homeostasis?

• It regulates mineral concentrations in cells.

• It regulates body temperature.

• It maintains water balance.

• It maintains sugar balance in cells.

Tags

NGSS.HS-LS1-3

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-LS1-6

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

• the nitrogen base bonding on the DNA molecule

Tags

NGSS.HS-LS1-1

Salivary amylase is an enzyme in humans that breaks down starches. What substance would humans have difficulty digesting without this enzyme?

• lipids

• nucleic acids

• proteins

• carbohydrates