Biology Midterm Test Questions And Correct Answers.

Biology Midterm Test Questions And
Correct Answers.
cell membrane - Answer thin, flexible barrier around the cell; regulates what goes in and out
of the cell



cell wall - Answer strong supporting layer around the cell membrane in plants, algae, and
some bacteria



chloroplast - Answer captures the energy from sunlight and converts it to chemical energy



cytoplasm - Answer material inside cell membrane-not including the nucleus



cytoskeleton - Answer network of protein filaments within some cells that helps the cell
maintain its shape and is involved in many forms of cell movement



golgi apparatus - Answer stack of membranes in the cell that modifies, sorts,and packages
proteins from the endoplasmic reticulum



lysosome - Answer cell organelle filled with enzymes needed to break down certain materials
in the cell



nuclear envelope - Answer layer of two membranes that surrounds the nucleus of a cell



nucleolus - Answer small dense region within most nuclei in which the assembly of proteins
begin



ribosome - Answer small particle in the cell on which proteins are assembled; made of RNA
and protein



vacuole - Answer cell organelle that stores materials such as water, salts, proteins, and
carbohydrates