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84 Cards in this Set
- Front
- Back
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if testing device were placed inside a cell what charge would it read
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neutral charge
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what charge does the plasma memebrane have just within
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negative
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what is the charge inside the plasma membrane and what is that charge called
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-70 mv, its the resting membrane potential
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what contributes to the negativity of the plasma membrane
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sulphates, phosphates, protiens
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what ion is of greater quantity outside then inside
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sodium Na-
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what ion is of greater quantity inside than outside
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potasium K+
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plasma membrane is composed of a what layer
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double phosphyl lipid layer
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proteins that go all the way thru the membrane are
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intra membranous, integral, channel, pore
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what type of protein is attached to inside or outside of a channel protein
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periphreial protein
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with a protien at the opening of a channel the channel is considered to be...
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gated
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ach is a what....
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neuro transmitter
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the attachment of ach to the outside or inside of a peripheral protein does what....
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opens
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na+ wants to enter cell .. what two reasons
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down the consentration gradient, eletrical charge
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what is the threshold charge in cell when na+ enters
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-50mv
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na+ continues to enter till it reaches .....
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+30mv
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when a peripheral protein moves out of the way because of a change in charge it is called a....
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voltage disruption
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potassium stops exiting the cell when the charge outside reaches .......
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-90mv
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when the outside is at -90mv the inside of cell is considered to be ....
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hyper polarized
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when hyper polarized is cell more or less likely to fire?
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less
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what kind of integral protein is responsible ofr getting levles to normal
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pumper molecule
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what drives the work of a pumper molecule
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atp.. adenison tri phosphate
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bond in atp between the second to last and last is called a..
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hi energy bond
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atp that looses one phosphate becomes...
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adp
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adp losses one phosphate becomes....
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amp
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nuleus of cell has large......
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pores
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another name for smooth endoplasmic recticulum
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a granular
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rough endoplasmic (granular) reticulum has what on it
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ribosomes
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near the rough e.r. is what organells
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peroxisomes
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peroxisomes has a single or double layer
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double
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peroxisomes are are the cells what facory
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anti oxidents
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peroxisomes are loaded with what enzymes to help neutralize free radicals
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peroxidates
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which organell contains the building blocks for the cell (based on what kind of cell it is)
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golgi apparatus
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true of false the protein entering the golgi apparatus make be added to or modified
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true
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once protein is moved to the periferi of the golgi app. it become what type of vessicle
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secretory
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once the secretory vessicle arrives at the cell membrane and is released, that process is called...
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exo-cytosis
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when water is admitted into the cell thru encapsulation it is called what.....
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pinocytosis
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the job of the golgi app. is to...
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package, secrete, send things out in secretory vessicles
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near golgi app. are vessicles called
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lysosomes that have a single lipid layer
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lysosomes are also known as what......
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suicide packets
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enzymes in lysosomes are what kind of enzyme
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protyolicic
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the fact that lysosomes has a single membrane make it more or less vulnerable
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more
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mitochondria (powerhouse) has inner and outer...
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matrix
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mitochondria is special because it contains what....
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DNA
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dna inside the mitochondria found in which matrix
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inner
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the fact that mitochondria had dna allows it to do what when a heavy demand is place on it
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make more mitochondria thru fission
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protein synthesis ....
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when our cells take amino acids and arange them in a particular order to create protein
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the process of joining two mono saccharides is called.....
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dehydration removes the water
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the process of breaking apart a di saccharide is called....
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hydrolysis ( uses water) adds
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osmosis
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net distribution of water thru a semi permeable membrane...
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difusion
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spontaneous net movement of particles from high to low concentration
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water goes from a lower concentration of solute to a greater concentration. or a low concentration of water to a high concentration of water, is called what
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osmosis
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process by which particles are driven thru a permeable membrane by hydrostatic pressure is ____?
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filtration
ex. Kidneys |
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when particles move thru a selectively permeable membrane thru a channel or pore with the concentration gradient it is called _____?
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Facilitated filtration (passive)
ex. glucose absorbed into cell |
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al girls bi (lost of sugar)
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when lots of sugar in blood beta cell is receptor uses insulin.
lo blood aplpha cell releases in islets of langerhand, releases glucagon |
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the head of a light microscoope contanins a rotating instrument called _____
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nose piece
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oil emersion magnification is required for viewing
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bacteria
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ability to distinguish two objects that are very close is called
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resolution/ resolving power
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when a microscope stay generally in focus when switched between objective lenses is called
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parfocal
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using the iris diaphragm helps change
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contrast
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the field of view for scanning power
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4.5 mm
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the field of view for low power lens
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1.4 mm
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the field of view for high power lens is...
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.3mm
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the filed of view for oil emmersion is....
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.16mm
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what is used to bond the molecules of a cell membrane in a way to maintain the membrane integrity
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choleserol
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all physiology is a combination of what type of mechanisms
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homeostatic
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two types of homeostatic mechanisms and the most common type
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positive and negative, most common type is negative
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our body is always trying to maintain.....
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standards
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when the body moves away for the standard it is called
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digression
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the part of the body that recognizes we are moving away from the standard is called...
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sensor
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level of glucose in our blood first ting in the morning is called
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the fasting glucose level
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the body standard for fasting glucose level..
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90mg/100ml of blood
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what is the sensor when there is an elevation in the blood glucose level
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beta cells in the isltes of lengerhand in the pancreas (al girls bi (lots of sugar))
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what is caused to be released into the blood by the beta cells when to much blood sugar exists
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insulin
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all things enter and exit the blood stream thru a ....
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capillary
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3 steps of cellular respiration?
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glycolisis, citric acid cycle,electron transport
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what is purpose or cellular respiration
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to make atp out of glucose
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glycolosis occurres whre
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cytoplasm
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how many net atp formed by glycolosis, and what else
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2, pyruvic acid, pyruvate
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two pyruvic acids move into what after glycolosis
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outer matix of mitochondria
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pyruvic acid getts converted into what once in mitochondria
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aceytal which binds with CoA to make aceytal CoA
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how many hydrogens are relaease from on molecule of pyruvic acid and how many atp are produced from them
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8
pyruvic acid; 16 atp |
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aceytal CoA enters what cycle
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Krebs cycle (aka. citric acid )
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how many enzymes require to go thru kreb cycle
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10 enzymes
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with hig blood sugar what are the receptor cells
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Beta cells
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