Term
Where does transcription take place? |
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Definition
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Term
Proteins being translated in the rough ER require recognition by this |
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Definition
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Term
What is meant by the Golgi is a polar body? |
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Definition
Things enter through the cis face and leave out through the trans face |
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Term
This is done to release materials from inside a cell |
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Definition
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Term
True or false, DNA can leave the nucleus |
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Definition
False, DNA cannot leave the nucleus, this is why it is converted into RNA during protein synthesis |
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Term
This portion of the ER has ribosomes bound to it |
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Definition
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Term
This form of endocytosis is done for the uptake of a ligand |
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Definition
Receptor Mediated Endocytosis |
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Term
Here is where RNA is transcribed and where ribosomes are assembled |
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Definition
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Term
Do prokaryotes have a nucleus? |
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Definition
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Term
SRP recognizes what that tags it for the ER |
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Definition
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Term
How does the RNA transcript leave the nucleus, what does it leave through? |
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Definition
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Term
This is the shipping and sorting center of the cell |
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Definition
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Term
If a protein is coded to have a mannose added to it and the golgi places a phosphate on the mannose, the product will go where? |
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Definition
The product will go to a lysosome |
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Term
This type of endocytosis is done to eat |
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Definition
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Term
This type of endocytosis is done for the uptake of liquid |
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Definition
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Term
In this lysosomal disease the phosphate is not placed on the mannose so the product does not go to the lysosome, instead it goes outside the cell (by default) and destroys the blood |
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Definition
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Term
This is the end product of the Golgi Complex |
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Definition
A secretory vesicle filled with proteins |
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Term
Where is the nucleolus situated? |
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Definition
The nucleolus is situated inside the nucleus |
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Term
Where are the three places proteins can go after being exported from the Golgi complex? |
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Definition
1. To an endosome with the intent of reaching a lysosome
2. Out of the cell
3. To a mitochondrial body |
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Term
What is the general pH of a lysosome? |
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Definition
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Term
What is the purpose of the cytoskeleton of the cell? |
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Definition
To give structure and mobility to the cell |
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Term
Proteins synthesized by the ER next move here via transport buds |
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Definition
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Term
Where does the main product packaged by the Golgi go? |
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Definition
It travels out of the cell |
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Term
These junctions allow electrolytes and and other molecules to pass between cells. They can be found in epithelial cells, cardiac and smooth muscle, in nervous and certain connective tissues |
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Definition
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Term
This is the major feature of the Eukaryotic cell |
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Definition
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Term
What is the 9 + 2 arrangement in Eukaryotes |
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Definition
9 pairs of microtubules forming a circle around 2 lone microtubules |
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Term
This type of cellular junction is a watertight seal from cell to cell that blocks molecules from moving around and past the cell. It encircles cells like a belt |
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Definition
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Term
How do secretory vesicles release their contents? |
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Definition
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Term
Gap Junctions are formed through these channels which allow ions to travel through them |
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Definition
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Term
These cellular filaments are smaller than microtubules and use actin in muscle contraction |
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Definition
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Term
This organelle carries out steroid synthesis and detoxification via CYP450 enzymes |
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Definition
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Term
Microtubules are made from this protein |
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Definition
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Term
This is the powerhouse of the cell |
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Definition
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Term
The outer (9) pairs are connected by these bridges, and allow for whip movement in cilia and wiggle movement in flagella |
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Definition
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Term
Mitochondrial DNA is important for what? |
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Definition
It codes for unique ribosomes in mitochondria |
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Term
These cellular junctions are small tunnels that connect cells and allow small molecules and ions to move between cells |
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Definition
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Term
This cellular junction joins two cells at a single point |
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Definition
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Term
These are like spot welds which hold cells together and help prevent lateral tearing of tissues |
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Definition
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Term
What is the general pH or the blood? |
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Definition
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Term
This is used in cellular communication, it travels short distances, is rapid, direct and specific |
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Definition
Neurotransmitter Communication |
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Term
This is responsible for resting membrane potential |
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Definition
The sodium potassium pump |
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Term
Where does the action potential start? |
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Definition
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Term
During this period a super stimulus can start another action potential |
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Definition
The Relative Refractory Period |
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Term
This is used in cell communication and it travels long distances, is slower, has different effects in different cells, and travels via the blood stream |
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Definition
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Term
Which way does potassium move when potassium channels open up? |
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Definition
Potassium moves outside of the cell |
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Term
True or false, the sodium potassium pump is always open |
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Definition
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Term
Lysosomes contain these enzymes that work best in an acidic environment (they can be used to break down large molecules) |
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Definition
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Term
Mitochondrial DNA, which is DNA unique from the DNA of the cell, is passed on how? |
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Definition
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Term
When the sodium channel opens up where does sodium travel, in or out? |
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Definition
Sodium goes into the cell |
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Term
These junctions produce impermeable or semipermeable barriers between cells, especially in epethelial membranes |
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Definition
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Term
Does the sodium potassium pump work with or against the concentration gradient? |
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Definition
It works against a concentration gradient this is why it requires ATP |
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Term
True or false, neurons divide |
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Definition
False, neurons never divide |
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Term
During hyperpolarization which channels are open |
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Definition
Both voltage gated sodium and potassium channels are closed, only the sodium potassium pump is working to pump 3 sodium ions out and 2 potassium ions in (the pump works against the gradient and requires ATP, it is always on) |
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Term
During depolarization which channels are open? |
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Definition
Sodium voltage gated channels are open |
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Term
As calcium travels into the axon terminal, what is triggered? |
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Definition
As calcium enters the axon terminal vesicles containing neurotransmitters are triggered and they bind to the terminal releasing the neurotransmitters into the synapse |
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Term
During repolarization, which channels are open? |
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Definition
Voltage gated potassium channels |
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Term
What is the general pH of the stomach? |
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Definition
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Term
What occurs when the action potential reaches the axon terminal? |
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Definition
Calcium channels will open up and calcium will enter the terminal |
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Term
During this period, another stimulus will not cause the generation of another action potential |
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Definition
The Absolute Refractory Period |
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Term
What happens after the neurotransmitters are released into the synapse? |
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Definition
Neurotransmitters bind to G protein receptors or ligand gated receptors, and this opens up protein channels |
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Term
This is the stuff that surrounds the cell |
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Definition
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Term
These neurons recieve signals from a receptor cell that interacts with its environment |
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Definition
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Term
These neurons transfer signals from neuron to neuron |
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Definition
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Term
These neurons are also called afferent neurons |
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Definition
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Term
These neurons carry signals to a muscle or gland called the effector |
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Definition
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Term
These neurons are sometimes called efferent neurons |
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Definition
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Term
Nerves are made up of these |
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Definition
Neuron axons and dendrites |
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Term
Bundles of neuron axons and dendrites in the PNS is called what? |
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Definition
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Term
Bundles of neuron axons and dendrites in the CNS is called what? |
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Definition
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Term
This nervous system (derived from the peripheral nervous system) was deisgned primarily to respond to the external environment |
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Definition
The somatic nervous system |
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Term
This portion of the autonomic nervous system deals with the fight or flight response |
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Definition
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Term
This portion of the autonomic nervous system deals with rest and digest processes |
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Definition
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Term
A group of cell bodies located in the CNS is called what? |
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Definition
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Term
A group of cell bodies located outside the CNS is called what? |
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Definition
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Term
What is the name given to receptors specifically made for acetylcholine |
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Definition
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Term
The receptors of epinephrine and nor epinephrine are called what? |
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Definition
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Term
The sympathetic nervous system releases these two neurotransmitters |
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Definition
Epinephrine and Norepinephrine |
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Term
I-cell disease is a lysosomal storage disease characterized by "inclusion bodies". Is it true that blood results will show high levels of lysosomal enzymes present in people with this disease |
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Definition
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Term
Moving against a concentration gradient requires what? |
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Definition
ATP or another cellular energy source |
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Term
You culture bacteria in a petri dish and categorize it as pnemococcus. What is the shape of this bacterium? |
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Definition
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Term
What is the purpose of SRP |
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Definition
To target ribosomes to the ER |
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Term
Gram negative bacteria stain pinkish because they do not bind the purple crystal violet stain as well due to the fact that these bacteria have an outer membrane primarily composed of what? |
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Definition
LPS with bound polysaccharides |
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Term
Processing of proteins via glycosylation occurs where |
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Definition
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Term
True or false, Yeast are multi cellular |
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Definition
False, yeast are unicellular organisms |
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Term
The difference between saturated and unsaturated fatty acids is the presence of what? |
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Definition
Double bond in unsaturated fatty acids |
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Term
The functional class of enzymes that add a phosphate group is called what? |
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Definition
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Term
Which molecules have a hard time passing through cell membranes |
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Definition
large molecules and polar molecules |
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Term
The group of enzymes that recognize and sever DNA palindromic sequences is |
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Definition
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