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Biology 181 Final Exam Questions With Well Detailed Correct Answers.
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Biology 181 Final Exam Questions With Well Detailed Correct Answers.
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Biology 181 Final Exam Questions With WellDetailed Correct Answers.
QUESTION; Osmosis: - ANSWER-diffusion of water across a semipermeable membrane
Solute NOT permeable
QUESTION; Which direction do solutes and water flow b/w solutions of different concentrate? -
ANSWER-HIGH water concentration to LOW water concentration
OR
LOW solute concentration to HIGH water concentration
QUESTION; Hypertonic: - ANSWER-Inside solution is hypertonic to outside when there are more solutes
inside the membrane
QUESTION; Hypotonic: - ANSWER-Inside solution is hypotoic to outside when there are less solutes
inside the mebrane
QUESTION; A Theory - ANSWER-an explanation for a very general class of phenomena or observations
that are supported by a wide body of evidence.
QUESTION; Cell Theory - ANSWER-all organisms are made of cells, and all cells come from existing cells.
QUESTION; Natural Selection - ANSWER-heritable traits passed onto offspring, population is a group of
the same individuals living in the same area at the same time.
QUESTION; A Hypothesis - ANSWER-an idea or theory that is not proven but that leads to further study
or discussion
QUESTION; 3 Domains - ANSWER-Prokaryotic Cells:
Bacteria
Archaea
, Eukarya--Eukaryotic, Animals, Plants, Fungi
QUESTION; What do cells have in common? - ANSWER-All cells have
Nucleotides,
Proteins,
Carbohydrates,
Plasma Membrane
QUESTION; Main Differences B/W Prokaryotic Cells and Eukaryotic Cells - ANSWER-Pro- No Nucleus
Euk- Has a Nucleus
QUESTION; Ribosomes - ANSWER-What: Large/Small subunits
Where: Cytoplasm
Function: Protein synthesis
QUESTION; Mitochondria - ANSWER-What:Outer defines surface, Inner connected to cristae
Where:Cytoplasm
Function: ATP Synthesis
QUESTION; Chloroplasts - ANSWER-What: In algae and plants, double membrane
Where:
Function: Photosynthesis
QUESTION; Nuclei - ANSWER-What:
Where:
Function:
QUESTION; Inside the Nucleus - ANSWER-DNA
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