biology exam 2
Hershey and Chase came up with 2 main facts?
DNA does not contain sulfur, protein does DNA contains phosphorous, protein doesn't
links 2 pieces of DNA together
DNA ligase
A=? and G=?
T, C
which source of energy is most directly responsible for ATP synthesis in the chloroplast
a pH gradient across the thylakoid membrane
Which doesn't occur in the krebs cycle?
adding electrons and protons to oxygen to form water
process consumes O2, converting it to H20
electron transport
which is capable of aerobic respiration?
grass, yeast, oak, mice, ALL!
in plants, how many CO2 molecules are needed to make one sucrose molecule
12
How many CO2 molecules are released by a single acetyl-CoA molecule during aerobic respiration
2
NADH has __ more electrons than NAD
2
how many CO2 molecules are produces when one glucose molecule is completely utilized in the process of alcohol fermentation
2
how many CO2 molecules are produced when one glucose molecule is completely utilized in the process of aerobic respiration
6
what type of photosynthesis is done by sugar cane
C4type photosynthesis
removes the RNA primer and replaces with DNA
DNA polymerase I
the margin of an exact cop of DNA is called
DNA replication
takes place not he inner membrane of the mitochondria
ETC
What happens in the Krebs cycle?
Production of ATP, NADH, FADH2
cellulose does not readily react with O2 forming CO2 and H2O at room temperature because
at room temperature, the estivation energy barrier for this reaction connote be surmounted
a yeast strain has a defect in the krebs cycle, how can the yeast grow>
by alcohol fermentation
how does an enzyme catalyze a reaction
by lowering the activation evergy
a chemical reaction requiring energy
endergonic
in aerobic respiration, oxygen is directly required in
excepting electrons at the end of the electron transport chain
which molecule will yield the most energy in aerobic respiration
glucose
separates 2 DNA strands to unwind them
helicase
griffith observed that?
mixing a heat-killed pathogenic strain of bacteria with a living nonpathogenic strain can convert some of the living cells into the pathogenic form
what type of biological molecule is inserted into bacteria by bacteriophages to start viral infection
nucleic acid only
chlorophyll molecules mostly absorb the ___ and ____ wavelengths of visible light
red and blue
where is the rubisco located in the chloroplast
stroma
What types of fermentation can the brain perform?
the brain cannot do any fermentation
what is true for endergonic reactions
the products have more free energy than the reactants