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Apex Biology Semester 1 Final Exam With 100% Verified Solutions
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Apex Biology Semester 1 Final Exam With 100% Verified Solutions
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Apex Biology Semester 1 Final ExamWith 100% Verified Solutions
What do all cells have in common? CORRECT ANSWERS They all contain ribosomes.
Which scientist was responsible for disproving the theory of spontaneous generation?
CORRECT ANSWERS Louis Pasteur
Which is not a basic function of a cell? CORRECT ANSWERS Maintaining a stable
external environment
Which adds evidence to the idea that the cell is the basic unit of life? CORRECT
ANSWERS Many organisms in the world are made of only one cell.
What was Rudolf Virchow trying to prove through his work? CORRECT ANSWERS All
cells come from preexisting cells.
Why are groups of small cells better than one large cell at moving material in and out?
CORRECT ANSWERS They have a greater surface-to-volume ratio.
The area around a cell has a high concentration of sodium ions. As a result, the cell
membrane expands and bursts. Which problem was the cell most likely having?
CORRECT ANSWERS The cell was unable to maintain a stable internal environment.
Cell theory CORRECT ANSWERS all living things are made of cells, cells are basic
units of life,
and all cells come from preexisting cells
cytosol CORRECT ANSWERS water based fluid surrounding all the structures inside a
cell
eukaryote CORRECT ANSWERS an organism consisting of one or more membrane
closed cells
golgi apparatus CORRECT ANSWERS organelle that sorts and packages proteins into
vesicles for transport
homeostasis CORRECT ANSWERS maintaining constant internal conditions
lysosome CORRECT ANSWERS organelle sac that contains enzymes that break down
proteins, carbohydrates, and fats
mitochondria CORRECT ANSWERS powerhouse, energy production
, prokaryotes CORRECT ANSWERS one-celled organism that does not have a
membrane-enclosed nucleus
RER CORRECT ANSWERS organelle that is the final site of protein processing
SER CORRECT ANSWERS organelle that is the site of lipid production and
carbohydrate breakdown
spontaneous generation CORRECT ANSWERS idea that living things could come from
nonliving things
ribosomes CORRECT ANSWERS synthesizes proteins from amino acids, make
proteins for the body
A scientist investigates two types of cells located in different parts in the human body.
Cell A contains many more mitochondria than Cell B. What is the best conclusion to
make from this observation? CORRECT ANSWERS Cell B does less work than Cell A.
active transport CORRECT ANSWERS transfer of molecules across a membrane.
requires ATP and the help of proteins
bilayer ?? CORRECT ANSWERS a double layer of molecules in which the polar end of
the molecules face outward while the negative end of the molecules faces inward
concentration gradient CORRECT ANSWERS a difference in concentration of a solute
between spaces within a solution
diffusion CORRECT ANSWERS the movement of substances from a region of higher
concentration to a lower concentration
endocytosis CORRECT ANSWERS bring a big substance in
exocytosis CORRECT ANSWERS release a big substance outside of the cell
facilitated diffusion CORRECT ANSWERS diffusion of a molecule with the help of a
protein but not energy
hydrogen pump ion CORRECT ANSWERS any membrane protein that transports
hydrogen ions through membranes
osmosis CORRECT ANSWERS the movement of a fluid through a semipermeable
membrane from a region of low concentration to high concetration
passive transport CORRECT ANSWERS does not require energy
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