Apex Biology Semester 1 Final Exam Questions With Verified Answers
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Course
Apex Biology
Institution
Apex Biology
Apex Biology Semester 1 Final Exam
Questions With Verified Answers
What do all cells have in common? - answerThey all contain ribosomes.
Which scientist was responsible for disproving the theory of spontaneous generation? -
answerLouis Pasteur
Which is not a basic function of a cell? - answerM...
Apex Biology Semester 1 Final Exam
Questions With Verified Answers
What do all cells have in common? - answer✔They all contain ribosomes.
Which scientist was responsible for disproving the theory of spontaneous generation? -
answer✔Louis Pasteur
Which is not a basic function of a cell? - answer✔Maintaining a stable external environment
Which adds evidence to the idea that the cell is the basic unit of life? - answer✔Many organisms
in the world are made of only one cell.
What was Rudolf Virchow trying to prove through his work? - answer✔All cells come from
preexisting cells.
Why are groups of small cells better than one large cell at moving material in and out? -
answer✔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? - answer✔The cell was
unable to maintain a stable internal environment.
Cell theory - answer✔all living things are made of cells, cells are basic units of life,
and all cells come from preexisting cells
cytosol - answer✔water based fluid surrounding all the structures inside a cell
eukaryote - answer✔an organism consisting of one or more membrane closed cells
golgi apparatus - answer✔organelle that sorts and packages proteins into vesicles for transport
prokaryotes - answer✔one-celled organism that does not have a membrane-enclosed nucleus
RER - answer✔organelle that is the final site of protein processing
SER - answer✔organelle that is the site of lipid production and carbohydrate breakdown
spontaneous generation - answer✔idea that living things could come from nonliving things
ribosomes - answer✔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? - answer✔Cell B does less work than Cell A.
active transport - answer✔transfer of molecules across a membrane. requires ATP and the help
of proteins
bilayer ?? - answer✔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 - answer✔a difference in concentration of a solute between spaces within
a solution
diffusion - answer✔the movement of substances from a region of higher concentration to a lower
concentration
endocytosis - answer✔bring a big substance in
exocytosis - answer✔release a big substance outside of the cell
facilitated diffusion - answer✔diffusion of a molecule with the help of a protein but not energy
hydrogen pump ion - answer✔any membrane protein that transports hydrogen ions through
membranes
osmosis - answer✔the movement of a fluid through a semipermeable membrane from a region of
low concentration to high concetration
passive transport - answer✔does not require energy
phosphate group - answer✔a chemical group that consists of one phosphate atom and 3 oxygen
atoms
phospholipid - answer✔basic unit of a cell membrane. made of one phosphate group and two
fatty acid chains
solute - answer✔substance that is dissolved in a liquid to make a solution
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