Bio 150 Final Review Questions And
Answers With Verified Solutions Already
Passed Latest Updated 2025
Anions
Answer: Negative; gain electrons
Cations
Answer: Positive; lose electrons
Cell Membrane
Answer: Barrier between the inside of the cell and everything outside of the cell
Cytoplasm
Answer: The cytosol and the organelles
Cilia
Answer: Microtubule projections that help propel the cell towards food
Lipid
Answer: Stores energy for the cell
Nucleus
Answer: Where the cell's information (DNA) is stored
Lysosome
Answer: Help destroy and eliminate waste
,Proteins in the Cell
Answer: Act as little machines to detect food and digest it
Biology
Answer: The study of life
Atom
Answer: Basic unit of matter
Protons
Answer: Positively charged particles in the nucleus of an atom
Neutrons
Answer: Neutral particles in the nucleus of an atom
Electrons
Answer: Negatively charged particles that float around the nucleus
Atomic Mass
Answer: Protons + neutrons
Isotopes
Answer: Atoms of the same element with different numbers of neutrons
Covalent Bond
Answer: Weak; atoms that share electrons
Polar Covalent
Answer: When 2 atoms do not share electrons equally
, Ionic Bond
Answer: The complete transfer of a valence electron between atoms
Hydrophilic
Answer: Water-loving
Hydrophobic
Answer: Water-fearing
Hydrogen Bond
Answer: Bond between a hydrogen atom and another atom; WEAK
Cohesion
Answer: Attraction between hydrogen bonds; creates surface tension
Hypothesis
Answer: Testable theory
Theory
Answer: Framework of tested hypotheses; supported by results; tested repeatedly
Why Does Ice Float on Water?
Answer: H-bonds in ice are spaced further apart than H-bonds in liquid water,
making ice less dense than water
What Kinds of Bonds Rely on Attraction of Positive and Negative Charges?
Answer: Ionic and hydrogen bonds
Answers With Verified Solutions Already
Passed Latest Updated 2025
Anions
Answer: Negative; gain electrons
Cations
Answer: Positive; lose electrons
Cell Membrane
Answer: Barrier between the inside of the cell and everything outside of the cell
Cytoplasm
Answer: The cytosol and the organelles
Cilia
Answer: Microtubule projections that help propel the cell towards food
Lipid
Answer: Stores energy for the cell
Nucleus
Answer: Where the cell's information (DNA) is stored
Lysosome
Answer: Help destroy and eliminate waste
,Proteins in the Cell
Answer: Act as little machines to detect food and digest it
Biology
Answer: The study of life
Atom
Answer: Basic unit of matter
Protons
Answer: Positively charged particles in the nucleus of an atom
Neutrons
Answer: Neutral particles in the nucleus of an atom
Electrons
Answer: Negatively charged particles that float around the nucleus
Atomic Mass
Answer: Protons + neutrons
Isotopes
Answer: Atoms of the same element with different numbers of neutrons
Covalent Bond
Answer: Weak; atoms that share electrons
Polar Covalent
Answer: When 2 atoms do not share electrons equally
, Ionic Bond
Answer: The complete transfer of a valence electron between atoms
Hydrophilic
Answer: Water-loving
Hydrophobic
Answer: Water-fearing
Hydrogen Bond
Answer: Bond between a hydrogen atom and another atom; WEAK
Cohesion
Answer: Attraction between hydrogen bonds; creates surface tension
Hypothesis
Answer: Testable theory
Theory
Answer: Framework of tested hypotheses; supported by results; tested repeatedly
Why Does Ice Float on Water?
Answer: H-bonds in ice are spaced further apart than H-bonds in liquid water,
making ice less dense than water
What Kinds of Bonds Rely on Attraction of Positive and Negative Charges?
Answer: Ionic and hydrogen bonds
