Science Quiz / Cell and Molecular Bio Test 1 Part 2

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Can you name the Cell and Molecular Bio Test 1 Part 2?

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Question/DefinitionAnswer/Term
Made of actin and actin-binding proteins, responsible for cell shape, contraction, motility, and cellular transport
A substance can be called this if you can put one wavelength in and get a different wavelength out
Maximum amount of force a motor can generate
Amount of time spent generating force
Key activator of Arp2/3 that is itself activated by G protein coupled receptors.
Cause unknown in terms of ALS
Binds and hydrolyzes GTP
Stacking by alternating between alpha and beta tubulins
Twitching
Causes disassembly of microtubules
Rate of using ATP
The beginning of chemical or physical changes at discrete points in a system. Helps the actin filaments start growing.
Elimination of toxins
Shuttle that promotes nucleotide exchange
Molecular sized apparatus that converts energy to work
The folded bits in the mitochondria
One event makes tons of second messengers
Molecular motor that takes cargo to center of cell
Load bearing filaments
Exchanges three sodium ions OUT and two potassium ions IN utilizing one ATP (ATP releases a P, becomes ADP, causes pump to open)
Protein changes its shape in a way to where it no longer functions
Faces inside world of body
Dynein that is used for cilliary and flagellar motion
A flattened extension of a cell, by which it moves over or adheres to a surface
Copying DNA into RNA
Double membrane around the nucleus
Oxidizes proteins in a more harmful and irreversible way
Control where microtubules form and they bypass the time for nucleation.
A system that’s based in cytoskeleton of neurons that is responsible for transporting materials such as organelles, vesicles… etc.
Using RNA as a template for making protein
There is a limit as to how fast an enzyme can go; one substrate move in and products move out before the next substrate moves in
Dynein that is used for cargo transport
Protein that forms filaments for muscle contraction
Allow very specific ions to cross membranes by creating a channel/tunnel through the cell membrane
Actin filament stabilizer; leads to liver failure if ingested.
Energy bearing compound
Question/DefinitionAnswer/Term
Binds the relative cargo
Where a specific kind of RNA (ribosomal) is being made
Same enzyme doing basically the same reaction but in a different way
Breaking apart water (hydrolysis) in the process of breaking protein chains
Connecting a hormone to a very specific effector
Speed of movement
Proteins that transport solutes together
Lend lateral strength to tissues, stable, they are not polar
Stabilize nerve axons by maintaining girth
What does cAMP activate?
Incorrect tracking of the eye
Break protein chains through hydrolysis (breaking apart water)
What SOD converts superoxide into
Notable example of MTOC
Microtubule based motors that are mostly plus-end directed
Normal though harmful byproduct of oxidative metabolism
Two different proteins stuck together
Allows a reaction to go faster
Soda straw tubes, made out of tubulins, used for intracellular transport. Very stiff, grow from the + end
Basic subunit for filaments
Away from the middle
Top of “hump” in energy diagram of reaction
Faces outside world
Molecular motor that takes cargo to periphery of cell
Force x distance
Accelerates the movement of a solute down it’s electrochemical gradient
What enzymes act upon
Length one step of a motor makes
Microtubule based motors that are minus-end directed
Protein constituents know how to orient themselves to create the cytoskeleton via long filaments
Allow specific solutes to cross membrane
Interacts with hormone; determines ligand specificity
What is Ca2+?
Feeling of motion (spinning)
Inherited
Too many copies of genes
Question/DefinitionAnswer/Term
A large chunk of the microtubule disassembles rapidly
Any device that changes some measurable quantity into another measurable quantity
Small molecules that convey the message from the receptor to the cell interior.
What is cAMP?
Portion that is connected to filament
Growth by the addition of monomers
The filling in the mitochondria
Makes branch points on actin filaments and nucleates new filament growth.
Form the tonofilaments of epithelia, found in skin and hair
An assay with actin over myosin
What is IP3?
Altered vision and confusion
Shut down mitosis
A motor is called this if it can walk continuously along a filament without falling off
Any of various pathologic changes seen in living organisms in response to excessive levels of cytotoxic oxidants and free radicals in the environment.
Handles Oxidative stress in the body.
Turn things on
An assay with kinesin or dynein and microtubules
New growth off of the main actin filament
Other proteins or molecules that are necessary to keep the enzyme activated
Relates time to the mean squared distance traveled
Monomer buffer
Acts on ATP to strip off two phosphates turning it into cAMP
Type of drugs that treat cancer
Turn things off
Plus-end directed, toward the periphery
A temporary protrusion of the surface of an ameboid cell for movement and feeding
Proteins that exchange solutes
“Hump” to get over on its way to lower energy
Stabilizes microtubules, blocking cell division
Determines G protein specificity
What is DAG?
Monomer concentration [m] at which the rate of monomer addition equals the rate of monomer loss.
Due to multiple copies of a gene the effect of a gene can be enhanced
Something that binds to a receptor

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