Bio 100 exam 1 | Newest Exam With
Questions And Answers | 2026-2027 |
100% Pass
hypothesis -ANSWER a tentative explanation of a phenomenon
stomach ulcers -ANSWER erosions in the stomach lining from bacteria
antibiotics -ANSWER drugs that kill bacteria
therapeutic touch -ANSWER detect energy fields unruffled, distorted energy
double blind study -ANSWER get rid of bias and placebo affect
placebo group -ANSWER control group
matter -ANSWER physical stuff that occupies space and has mass
elements -ANSWER pure substances that cant be broken down to simplier materials by
chemical reactions
organic molecules -ANSWER biological molecules made with skeletons of carbon and
hydrogen
macromolecules -ANSWER large molecules formed by connecting smaller subunit
molecules
four families -ANSWER carbohydrates (sugars), lipids (fats), proteins, nucleic acids (dna
and rna)
iron -ANSWER associates with the hemoglobin protein in blood cells to carry oxygen to
blood
iodine -ANSWER deficiency causes goiters swelling of thyroid gland in neck
atoms -ANSWER tiny units of elements
protons -ANSWER pos charge large mass
# of proton is an atoms atomic number
neutrons -ANSWER neutral charge large mass
electrons -ANSWER neg charge small mass
, isotopes -ANSWER # of neutrons in the nuclei can vary Atoms with the same number of
protons but different numbers of neutrons are called isotopes of one another
stable isotopes -ANSWER non radioactive
radioactive -ANSWER releases particles and energy
cation -ANSWER ion w net pos charge
anion -ANSWER net neg charge
valence electrons -ANSWER outermost electrons determine chemistry of an atom
shell -ANSWER basis of chemical bonds 1st shell has 2
molecules -ANSWER two or more atoms conneced with chemical bonds determined by
electrons
ionic bond -ANSWER attraction of oppositely charged ions
covalent bonds -ANSWER shared electrons
hydrogen bonds -ANSWER attraction of polar molecules weak connections positive end
of one polar molecule attract negative end of other
carbon forms -ANSWER four single bonds two double bonds or a triple bond and single
bond
shape of protein -ANSWER essential for their function
antibodies -ANSWER specialized proteins involved in response that recognize and binds
harmful things like germs
solvent -ANSWER substance that can dissolve another
hydrophilic -ANSWER water loving molecules attracted and dissolve easily polar and
form hydrogen bonds like sugar and protein
What does hydrophobic mean? -ANSWER Repelled by water and do not dissolve in
water.
What type of molecules are hydrophobic? -ANSWER Nonpolar molecules.
Do hydrophobic substances form hydrogen bonds? -ANSWER No, they do not form
hydrogen bonds.
Questions And Answers | 2026-2027 |
100% Pass
hypothesis -ANSWER a tentative explanation of a phenomenon
stomach ulcers -ANSWER erosions in the stomach lining from bacteria
antibiotics -ANSWER drugs that kill bacteria
therapeutic touch -ANSWER detect energy fields unruffled, distorted energy
double blind study -ANSWER get rid of bias and placebo affect
placebo group -ANSWER control group
matter -ANSWER physical stuff that occupies space and has mass
elements -ANSWER pure substances that cant be broken down to simplier materials by
chemical reactions
organic molecules -ANSWER biological molecules made with skeletons of carbon and
hydrogen
macromolecules -ANSWER large molecules formed by connecting smaller subunit
molecules
four families -ANSWER carbohydrates (sugars), lipids (fats), proteins, nucleic acids (dna
and rna)
iron -ANSWER associates with the hemoglobin protein in blood cells to carry oxygen to
blood
iodine -ANSWER deficiency causes goiters swelling of thyroid gland in neck
atoms -ANSWER tiny units of elements
protons -ANSWER pos charge large mass
# of proton is an atoms atomic number
neutrons -ANSWER neutral charge large mass
electrons -ANSWER neg charge small mass
, isotopes -ANSWER # of neutrons in the nuclei can vary Atoms with the same number of
protons but different numbers of neutrons are called isotopes of one another
stable isotopes -ANSWER non radioactive
radioactive -ANSWER releases particles and energy
cation -ANSWER ion w net pos charge
anion -ANSWER net neg charge
valence electrons -ANSWER outermost electrons determine chemistry of an atom
shell -ANSWER basis of chemical bonds 1st shell has 2
molecules -ANSWER two or more atoms conneced with chemical bonds determined by
electrons
ionic bond -ANSWER attraction of oppositely charged ions
covalent bonds -ANSWER shared electrons
hydrogen bonds -ANSWER attraction of polar molecules weak connections positive end
of one polar molecule attract negative end of other
carbon forms -ANSWER four single bonds two double bonds or a triple bond and single
bond
shape of protein -ANSWER essential for their function
antibodies -ANSWER specialized proteins involved in response that recognize and binds
harmful things like germs
solvent -ANSWER substance that can dissolve another
hydrophilic -ANSWER water loving molecules attracted and dissolve easily polar and
form hydrogen bonds like sugar and protein
What does hydrophobic mean? -ANSWER Repelled by water and do not dissolve in
water.
What type of molecules are hydrophobic? -ANSWER Nonpolar molecules.
Do hydrophobic substances form hydrogen bonds? -ANSWER No, they do not form
hydrogen bonds.
