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which type of tissus us the lease dense (has the fewest cells(?
connective tissue
homeostasis is the body’s ability to maintain a _____ internal environment.
stable
in a positive feedback mechanism, the inout and output are:
the same
sweating when you get hot is an example of a ______ feedback mechanism.
negative
which type of glans utilizes a duct?
exocrine
insulin and glucagon are examples of ________.
antagonistic effectors
which part of a feedback mechanism is responsible for detecting the initical change?
sensor
adipose tissue (fat) is an example of what tissue type?
connective tissue
which type of feedback system moves conditions further from the set point?
positive
which type of bond involves equal sharing of electrons?
nonpolar
which atom is most likely to become an anion?
chlorine (7 valece electrons)
within the water molecule, which atom carries a partial negative charge?
oxygen
the bond within a single water molecule is an example of a _____ bond.
polar covalent
the bond between SEPARATE water molecules is an example of a _______ bond.
hydrogen
is glycogen polar or nonpolar?
polar
which type of fat will have only single C-H bonds?
saturated
which of these codons codes for an amino acid?
AUG
where are anti-codons found?
in tRNA
which site on the ribosome will receive the tRNA with the next amino acid to be added?
A site
which level of protein structure refers to the overall 3-D shape of a protein?
tertiary
an mRNA composed of 24 codons will code for a protein composed of _______ amino acids (remember the STOP control).
23
what persentage of our DNA actually codes for proteins?
1.5%
affinity between an enzyme and a substance will have an effect at ______ substrate concentrations.
low
a reaction i which products have less energy than reactants is an ______ reaction.
exergonic
where does glycolysis take place?
cytoplasm
which is the only stage of cellular respiration that does NOT produce ATP directly?
linking step
how many ATPs are made from 2 turns of the Kreb Cycle?
2
what percet of the total ATP produced is made during the first 3 stages of cellular respiration?
10%
what is the purpose of lactic acid fermentation?
produce NAD+
movement of H+ into the ________ requires energy.
intermembrane space
Note 
Flashcard (126)