BIO 253 EXAM 3 TEST PAPER 2026 FULL
QUESTIONS AND CORRECT ANSWERS
ALREADY PASSED
◉ What makes up the virus.
Answer: The protein coat ( outside cover)
DNA or RNA
◉ What does ubiquitous mean?.
Answer: found everywhere (this is what makes bacteria are)
◉ types of passive transport.
Answer: diffusion, osmosis, facilitated diffusion
◉ What is the diffusion.
Answer: The movement of particles from an area of high
concentration to an area of low concentration.
◉ What is facilitated diffusion?.
Answer: The passive movement of a particle across a cell membrane
via a channel protein.
,◉ What is osmosis.
Answer: diffusion of water across a selectively permeable membrane
◉ Active transport types.
Answer: endocytosis and exocytosis and active transport pump
◉ Active transport.
Answer: Low to high
◉ Endocytosis.
Answer: process by which a cell takes material into the cell
Pinocytosis
Phagocytosis
◉ What is hypotonic.
Answer: A solution with lower salt concentration than in the cells
(cells burst) MORE WATER THAN IN CELL
◉ What is a hypertonic solution?.
, Answer: The solution has a higher solute concentration than the cell
so water moves out of the cell.
Cell shrinks
◉ Abdominal regions.
Answer:
◉ Abdominal quadrants.
Answer:
◉ Ionic bond.
Answer: Donating electrons, attraction of atoms and cannot separate
◉ Covalent bonds.
Answer: Strongest bond
Bonds created by sharing electrons with other atoms.
◉ catobolism.
Answer: energy releasing process that breaks down large molecules.
QUESTIONS AND CORRECT ANSWERS
ALREADY PASSED
◉ What makes up the virus.
Answer: The protein coat ( outside cover)
DNA or RNA
◉ What does ubiquitous mean?.
Answer: found everywhere (this is what makes bacteria are)
◉ types of passive transport.
Answer: diffusion, osmosis, facilitated diffusion
◉ What is the diffusion.
Answer: The movement of particles from an area of high
concentration to an area of low concentration.
◉ What is facilitated diffusion?.
Answer: The passive movement of a particle across a cell membrane
via a channel protein.
,◉ What is osmosis.
Answer: diffusion of water across a selectively permeable membrane
◉ Active transport types.
Answer: endocytosis and exocytosis and active transport pump
◉ Active transport.
Answer: Low to high
◉ Endocytosis.
Answer: process by which a cell takes material into the cell
Pinocytosis
Phagocytosis
◉ What is hypotonic.
Answer: A solution with lower salt concentration than in the cells
(cells burst) MORE WATER THAN IN CELL
◉ What is a hypertonic solution?.
, Answer: The solution has a higher solute concentration than the cell
so water moves out of the cell.
Cell shrinks
◉ Abdominal regions.
Answer:
◉ Abdominal quadrants.
Answer:
◉ Ionic bond.
Answer: Donating electrons, attraction of atoms and cannot separate
◉ Covalent bonds.
Answer: Strongest bond
Bonds created by sharing electrons with other atoms.
◉ catobolism.
Answer: energy releasing process that breaks down large molecules.
