UPDATED ACTUAL Exam Questions and
CORRECT Answers
what are weaker ionic or covalent bonds - CORRECT ANSWER ionic
what 4 atoms make up the most of the human body - CORRECT ANSWER CHON
what type of bond is LiCl - CORRECT ANSWER ionic, weak
all reactions of life take place in an aqueous enviorment t or f - CORRECT ANSWER true
what is the 10^x of PH of 9 - CORRECT ANSWER H+=10^-9, OH-=10^-5
what type of molecule is amphipathic - CORRECT ANSWER phospholipid
what is amphipathic - CORRECT ANSWER meaning both hydrophillic and hydrophobic
what makes a fat unsaturated - CORRECT ANSWER double bonds between Cs that put a
kink in the shape of the molecule
what is the area of the prokaryotic cell that holds the dna - CORRECT ANSWER nucleoid
what can be found in the outer layer of the nucleus - CORRECT ANSWER chromatin
what can be found in the inner nucleolus - CORRECT ANSWER DNA
, what is true of transcription and translation of DNA in a prokaryote - CORRECT
ANSWER they occur at the same time in the cytosol
what type of bonds hold proteins together - CORRECT ANSWER peptide bonds
a peptide bond occurs at which atoms - CORRECT ANSWER the carboxyl group of one
atom with the nitrogen base of another
what do phosphodiester bonds hold together - CORRECT ANSWER nucleotides/nucleic
acids
what do glycosidic bonds hold together - CORRECT ANSWER hold monosaccharides
together to form polysaccharides
what is a signaling molecule called - CORRECT ANSWER ligand
what initiates an enzyme, where does it bind - CORRECT ANSWER substrate, activates
the enzyme at the active site
what is competitive inhibition - CORRECT ANSWER An inhibitor competes with the
substrate for binding to the active site.
what is non-competitve inhibition - CORRECT ANSWER when there are 2 sites on an
enzyme, and when the inhibiting susbtrate attatches at the allosteric site, it changes the active site
shape, disallowing attatchment from the activating substrate
what is THE start codon - CORRECT ANSWER AUG
what is the STOP codon - CORRECT ANSWER UAA, UAG, UGA