Bio 181 Exam 1 PRACTICE
QUESTIONS AND ANSWERS
2025/2026
Active transport - correct answer The movement of materials through a cell
membrane using energy
Antiport - correct answer A membrane transport process that carries one
substance in one direction and another in the opposite direction.
Aquaporin - correct answer A transport protein in the plasma membrane of
a plant or animal cell that specifically facilitates the diffusion of water across
the membrane (osmosis).
ATP - correct answer (adenosine triphosphate) main energy source that
cells use for most of their work
Cancer - correct answer Any malignant growth or tumor caused by
abnormal and uncontrolled cell division
, Cell - correct answer (biology) the basic structural and functional unit of all
organisms
Cell theory - correct answer(biology) the theory that cells form the
fundamental structural and functional units of all living organisms
Cell wall - correct answera thin membrane around the cytoplasm of a cell
Chloroplast - correct answeran organelle found in plant and algae cells
where photosynthesis occurs
Cilia - correct answerThe hairlike projections on the outside of cells that
move in a wavelike manner
Cytoplasm - correct answera jellylike fluid inside the cell in which the
organelles are suspended
Cytoskeleton - correct answernetwork of proteins in the cytoplasm that help
cell maintain its shape
Cytosol - correct answerthe semifluid portion of the cytoplasm
Desmosomes - correct answerstructures that bind cells together via their
membranes
QUESTIONS AND ANSWERS
2025/2026
Active transport - correct answer The movement of materials through a cell
membrane using energy
Antiport - correct answer A membrane transport process that carries one
substance in one direction and another in the opposite direction.
Aquaporin - correct answer A transport protein in the plasma membrane of
a plant or animal cell that specifically facilitates the diffusion of water across
the membrane (osmosis).
ATP - correct answer (adenosine triphosphate) main energy source that
cells use for most of their work
Cancer - correct answer Any malignant growth or tumor caused by
abnormal and uncontrolled cell division
, Cell - correct answer (biology) the basic structural and functional unit of all
organisms
Cell theory - correct answer(biology) the theory that cells form the
fundamental structural and functional units of all living organisms
Cell wall - correct answera thin membrane around the cytoplasm of a cell
Chloroplast - correct answeran organelle found in plant and algae cells
where photosynthesis occurs
Cilia - correct answerThe hairlike projections on the outside of cells that
move in a wavelike manner
Cytoplasm - correct answera jellylike fluid inside the cell in which the
organelles are suspended
Cytoskeleton - correct answernetwork of proteins in the cytoplasm that help
cell maintain its shape
Cytosol - correct answerthe semifluid portion of the cytoplasm
Desmosomes - correct answerstructures that bind cells together via their
membranes
