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Review for Biology Exam Ch. 2
Transcript of Review for Biology Exam Ch. 2
What particles make up atoms?
protons, neutrons and electrons
What does the space surrounding the nucleus contain?
What particles are in the nucleus?
protons and neutrons
What is an isotope?
What can radioactive isotopes be used for?
What elements can be found in water?
What kind of bond involves the transfer of electrons?
What is the most abundant compound in most living things?
What does polar mean?
What part of the water molecule is positive? negative?
What is an even distributed mixture of two or more substances?
What part of a mixture does the dissolving
What part of a mixture is dissolved?
What type of mixture is it when the particles settle out over time or are undissolved?
What is the pH of an acid?
What is the pH of a base?
What types of solutions would contain high concentrations of H+ (higher than pure water)?
What types of solutions would contain low concentrations of H+ (lower than pure water)?
Monosaccharides and polysaccharides would be examples of what?
What macromolecules would be the main source of energy for living things?
What are the functions of proteins?
What is the product in a reaction?
What is the reactant in a reaction?
What is the energy needed to get chemical reactions started?
In comparison to other liquids, does water boil slowly or quickly?
What makes water polar?
How do acids taste?
How would a base feel?
Name a type of nucleic acid...
What do nucleic acids do?
Glycogen, starch and cellulose are all examples of what?
Where would you find glycogen?
Where would you find starch?
Where would you find cellulose?
What is cohesion?
What is adhesion?
What is the movement of water against gravity?
What are lipids made out of?
What are sugars made out of?
What kind of carbohydrate would a polysaccharide be (simple or complex)?
What kind of carbohydrate would a monosaccharide be (simple or complex)?
atoms of the same element that differ in the number of neutrons
atoms of two or more elements that are joined by chemical bonds
What is a compound?
H and O
What kind of bond involves the sharing of electrons?
partial negative and partial positive charge
H+ and O-
carbohydrates or sugars
structural, enzymes, antibodies and hormones
chemical or chemicals to the right of the arrow
chemical or chemicals to the left of the arrow
partial + and partial - charge
DNA and RNA
plant cell walls
water molecules bonding
water molecules bonding to solid surfaces
plants! (especially roots)