Biology PMA 2 Review 2024

Front

What is a gene?

Back

A string of nucleotides that contain the information to make a specific protein.

Front

What are the three parts of a nucleotide?

Back

1) Phosphate 2) Deoxyribose Sugar 3) Nitrogen Base

Front

Why is diffusion important to cells?

Back

It allows them to take in materials without using energy.

Front

What is the process of translation?

Back

The process where mRNA is read and made into an amino acid chain.

Front

What are the reactants for photosynthesis?

Back

Carbon dioxide and water.

Front

What is the role of ribose in nucleotides?

Back

Ribose is a sugar component of RNA nucleotides.

Front

What is the difference between DNA and RNA?

Back

DNA contains deoxyribose sugar and is double-stranded, while RNA contains ribose sugar and is single-stranded.

Front

What is osmosis?

Back

The movement of water molecules through a selectively permeable membrane from an area of lower solute concentration to an area of higher solute concentration.

Front

What is the function of tRNA?

Back

tRNA transports amino acids to the ribosome during protein synthesis.

Front

What is transcription?

Back

The process of copying a segment of DNA into mRNA.