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Terms in this set (34)
energy stored in capacitor
energy= 1/2 Cv^2
P= Force x velocity
intrinsic force (force of the system without added concepts)
relative thermodynamic of a compound
can be determined based on amount of heat that is produced when the compounds are combusted. aka by determining the heat of combustion
the less the heat released, the more stable the compound would be,
the activation energy can be calculated as
the minimum energy needed to overcome by the reactant to drive a reaction to completion
it is the activated complex minus the energy of the reactant
"when asked to calculate the period"
it is the shortest repetition time; look in your notebook
effect of diluting a solution on the pH?
it has no effect bc the ratio of HA and A stays the same
resistivity is the inverse of conductivity
adds OH group
is type of oxidoreductase
transfer of methyl group of cytosine is catalyzed by what enzyme?
equilibrium constant for DNA unfolding
why do DNA unfold as the pH increase (aka become more acidic)?
DNA start to unfold as pH increases, the bases start to deprotonate and unfolding occurs
"which buffer pH would adhere to cation-exchange column?"
this is basically asking "at what pH are the proteins positively charged?"
aka which would interact with the negatively charged beads in the column
a common column material used in size-column chromatography is dextran, a glucose polysaccharide. which type of interaction most likely occurs between the protein and the dextran?
hydrogen bonding bc the OH of the glucose would H-bond with the polar side chains that are exposed on a protein surface.
which of the following properties of waves remains unchanged as it passes through a medium?
frequency remains unchanged
wave speed, amplitude and wavelength changes /differ from the fundamental frequency
speed, wavelength and speed of light given, calculate wavelength?
process whereby distantly related organisms independently evolve similar traits to adapt to similar needs.
"phosphorylation of p38 is an indication of normal apoptotic signaling in cell"
Cell that contain a large amount of phosphorylated p38 are most likely to:
be undergoing growth arrest
this is making a reference to mitosis Go--G1--S--G2--mitosis
If G1 is finished and the cell does not meet checkpoint standards, then we move on to the G0 instead of S phase. G0 phase is growth arrested for either mature and non-dividing cells like neurons or for apoptosis cell bc they are going to die and will not be allowed to replicate
characteristic of cancerous cell
inhibition of apoptosis
operon containing two genes
is transcribed from single promoter upstream of the first gene in the operon
aka a single mRNA transcribes from a single promoter sequence upstream of the operon
factors contributing to enhanced inotropic effect on heart?
1. decrease transport of Ca2+ to the extracellular environment
2. increase availability of intracellular Ca2+ to bind to troponin
3. increase overall Ca2+ stores in SERCA
promotes transcription by modifying chromatin structure(by condensing it)
if there was histone acetylation inhibitor, it would inhibit transcription
leads to glycogen breakdown and gluconeogenesis.
continued fasting leads to the production of ketone bodies by sustained fatty acid oxidation.
a drug was administered outside the tissue?
this means that the drug must cross plasma membrane and cytoplasm to get to the nucleus
adrenal medulla is part of which branches of the peripheral nervous system?
the sympathetic branch of ANS
it secretes adrenaline in response to short term stress; reaction to short term stress is mediated by sympathetic system
involves binding of an enzyme to sites other than the substrate binding site
osmotic pressure and solute concentration?
osmotic pressure is directly proportional to solute concentration
regeneration of NAD+?
needed to keep glycolysis going even under anaerobic conditions in cell
recognized by enzyme that recognizes either a 4 or 6 base recognition sequence
the electron transport chain complexes
1. NADH CoQ dehydrogenase
2. succinate dehydrogenase
3. cytochrome BC reductase
4. cytochrome C oxidase
succinyl coA synthase
turns succinyl coa to succinate
Succinate to fumarate
expressed in a parent-specific manner.
"only after paternal, not maternal" form of mutation will the child inherit the disease
certain viruses contain RNA as their genetic material. one of the ways these RNA viruses replicate themselves is to:
code for or carry a transcriptase that copies viral RNA. (reverse transcriptase)
the effect of low plasma protein on osmotic pressure of blood?
large plasma protein such as albumin increases then osmotic pressure of blood which in turn increases the return of fluid to the circulatory system from the body tissue.
in case of malnutrition, the osmotic pressure of blood decreases resulting in an increase of fluid in the body tissue.
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