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APEX FINAL 1 LATEST 2024 ACTUAL EXAM
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APEX FINAL 1 LATEST 2024 ACTUAL EXAM
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APEX FINAL 1 LATEST 2024 ACTUAL EXAM 1000+QUESTIONS AND CORRECT DETAILED ANSWERS WITH
RATIONALES (VERIFIED ANSWERS) |ALREADY GRADED
A+
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
homeostasis - ANSWER: maintaining constant internal conditions
lysosome - ANSWER: organelle sac that contains enzymes that break down proteins,
carbohydrates, and fats
mitochondria - ANSWER: powerhouse, energy production
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
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