lesson 3 topic 2 quiz

Uracil

• A nitrogenous base found in DNA

• A nitrogenous base found in RNA that replaces Thymine

• A type of protein

• A sugar molecule found in RNA

What is a Nitrogenous Base?

• The molecular 'letters' of the genetic code that form the rungs of the DNA or RNA structure.

• A type of protein that helps in muscle contraction.

• A carbohydrate that provides energy to cells.

• A lipid that stores energy in the body.

Tags

NGSS.HS-LS3-1

What is DNA?

• A single-stranded molecule that carries genetic information.

• A double-stranded molecule that serves as the primary repository for long-term genetic information in an organism.

• A type of protein that helps in cellular functions.

• A carbohydrate that provides energy to cells.

Tags

NGSS.HS-LS3-1

What is a Gene?

• A section of DNA that carries the instructions for building a specific protein or functional RNA molecule.

• A type of cell that helps in the immune response.

• A molecule that transports oxygen in the blood.

• A structure that provides energy to the cell.

Tags

NGSS.HS-LS1-1

What is mRNA?

• A type of RNA that carries a transcribed copy of a gene's instructions from the nucleus to the ribosome.

• A type of DNA that stores genetic information.

• A type of protein that helps in cellular respiration.

• A type of lipid that forms cell membranes.

What is a Ribosome?

• A cellular organelle that serves as the site of translation (protein synthesis).

• A type of lipid that stores energy in cells.

• A structure that transports oxygen in the blood.

• A membrane-bound organelle involved in energy production.

Inside a cell, amino acids link together to from proteins. This is called . . .

• DNA

• sequence

• protein synthesis

• messenger RNA

• transfer RNA

Tags

NGSS.HS-LS1-6

carries amino acids to the ribosome during protein synthesis

• DNA

• sequence

• protein synthesis

• messenger RNA

• transfer RNA

The four nitrogen bases of DNA are ____________.

• guanine

• cytosine

• adenine

• thymine

• uracil

The four nitrogen bases of RNA are ____________.

• guanine

• cytosine

• adenine

• thymine

• uracil