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
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
