Bio Semester 1 Final Exam Review Fall

Front

What is the cell theory?

Back

The cell theory states that: 1) All living things are made of cells, 2) Cells are the basic unit of structure and function in living organisms, 3) All cells come from pre-existing cells.

Front

Which statement is NOT part of the cell theory?

Back

All cells have nuclei.

Front

What are stem cells?

Back

Stem cells are undifferentiated cells that have the potential to develop into any cell type in the body.

Front

What is a covalent bond?

Back

A covalent bond is a type of chemical bond where two atoms share electrons.

Front

What are the levels of organization in multicellular organisms?

Back

The levels of organization are: cell, tissue, organ, organ system.

Front

What begins the process of translation in protein synthesis?

Back

Translation begins with mRNA in the cytoplasm attaching to a ribosome.

Front

What is the function of tRNA in translation?

Back

tRNA (transfer RNA) brings amino acids to the ribosome during protein synthesis.

Front

What is the role of ribosomes in cells?

Back

Ribosomes are the cellular structures where protein synthesis occurs.

Front

What is the difference between prokaryotic and eukaryotic cells?

Back

Prokaryotic cells do not have a nucleus or membrane-bound organelles, while eukaryotic cells do.

Front

What is the function of the cell membrane?

Back

The cell membrane controls the movement of substances in and out of the cell.