BIOL 204 ATHABASCA U-
MIDTERM 2026 QUESTIONS AND
ANSWERS | A+ GRADED | WITH
EXPERT SOLUTIONS
cell membrane (plasma membrane) - correct answer -
phospholipid bilayer that surrounds all cells and regulates what
enters and leaves the cell
eukaryote - correct answer -A cell that contains a nucleus and
membrane bound organelles
nucleoid - correct answer -A non-membrane-bounded region in a
prokaryotic cell where the DNA is concentrated.
nucleus - correct answer -A part of the cell containing DNA and
RNA and responsible for growth and reproduction
prokaryote - correct answer -A unicellular organism that lacks a
nucleus and membrane bound organelles
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amyloplast - correct answer -Unpigmented plasids that store
starch grains, abundent in cells of stems, tubers, and seeds
anchoring junction - correct answer -mechanically attaches
adjacent cells to each other or to the basement membrane
bacterial flagellum - correct answer -A ropelike structure built from
actin proteins that, through rotary movements, propels a
bacterium through fluid.
capsule - correct answer -A sticky layer that surrounds the cell
walls of some bacteria, protecting the cell surface and sometimes
helping to glue the cell to surfaces.
cell wall - correct answer -A rigid layer of nonliving material that
surrounds the cells of plants and some other organisms.
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centrosome - correct answer -A structure in animal cells
containing centrioles from which the spindle fibers develop.
chloroplast - correct answer -An organelle found in plant and
algae cells where photosynthesis occurs
chromoplast - correct answer -a colored plastid other than a
chloroplast, typically containing a yellow or orange pigment.
crista (pl. cristae) - correct answer -the folds of the inner
membrane of mitochondria. The site of the electron transport
chain
cytoskeleton - correct answer -A network of fibers that holds the
cell together, helps the cell to keep its shape, and aids in
movement
endoplasmic reticulum (rough or smooth) - correct answer -
extensive interconnected network of membranous channels called
cisternae, some have ribosomes covering it and others don't.