Biology SOL Review

Front

What is osmosis?

Back

Osmosis is the process by which water moves across a selectively permeable membrane from an area of lower solute concentration to an area of higher solute concentration.

Front

What is the mRNA triplet for the DNA triplet TAC?

Back

The mRNA triplet for the DNA triplet TAC is AUG.

Front

How many chromosomes does a normal human being have?

Back

A normal human being has 46 chromosomes.

Front

What structure do some organisms use for movement?

Back

Cilia are structures that some organisms use to move themselves.

Front

What does an extra chromosome on the 21st pair indicate?

Back

An extra chromosome on the 21st pair indicates Down Syndrome.

Front

Define diffusion.

Back

Diffusion is the movement of molecules from an area of higher concentration to an area of lower concentration.

Front

What is the role of ribosomes in a cell?

Back

Ribosomes are responsible for protein synthesis in a cell.

Front

What is a karyotype?

Back

A karyotype is a visual representation of an individual's chromosomes, used to assess chromosomal abnormalities.

Front

What is the function of mitochondria?

Back

Mitochondria are known as the powerhouse of the cell, generating ATP through cellular respiration.

Front

What is the significance of the triplet code in DNA?

Back

The triplet code in DNA specifies the sequence of amino acids in a protein.