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What can you infer about large molecular-weight proteins that cannot be transported into the nucleus?
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∙ 11y ago
It requires a signal device in order to pass through.
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∙ 11y ago
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What can you infer about a high molecular weight protein that cannot be transported into the nucleus?
NLS
What is earth conduction?
Conduction - in which a body's temperature is raised in one place and heat flows to cooler areas by diffusion as the molecules in the body vibrate more vigorously. No material is transported by conduction, only heat. Heat is transported by conduction in the crust where the material is rigid and cannot flow, and the temperature gradient is high. Conduction is very efficient in some materials like metals, and inefficient in others like air. Inefficient conductors are called insulators. ----
Why does weathering have to occur first then erosion?
Weathering breaks materialn down and erosion transports that broken down material. As an example, weathering breaks a mountain down into smaller rocks, and those smaller rocks can be transported by streams (erosion), but the streams cannot simply move the whole mountain.
Can hydrogen undergo alpha decay?
No, it cannot. Fission is the "splitting" of an atom, and a hydrogen atom will not fission. Some hydrogen atoms have a neutron stuck to the proton in their nucleus. Some even have two neutrons stuck to that proton. These neutrons can be "knocked loose" in something like a nuclear chair reaction in a weapon. The neutrons then can contribute to the building of the nuclear chain reaction. But fission doesn't happen to hydrogen.
Why do plants need nitrate?
Plants need nitrogen for the synthesis of the protein's peptide bonds as well as for the nitrogen found in seven of the twenty possible amino acid R- group side-chains which are needed for making proteins, and proteins are needed for Cell growth.When a plant does not get enough nitrogen it will suffer from stunted growth.Plants obtain nitrogen through their roots in either the form of nitrate or ammonium. Atmospheric nitrogen - N2 - cannot be utilized by the Plant.Amino acids are used to create vital structural proteins and functional enzymes which allow the plant to grow and develop.
What can you infer about a high molecular weight protein that cannot be transported into the nucleus?
NLS
Why are proteins and polysaccharides cannot be transported across a cell membrane by carrier proteins?
They are too large to be transformed by carrier proteins. They are moved across by Vesicles instead.
A mature red blood cell lacks a nucleus Thus it?
cannot make new proteins and will worn out within a few months
What molecule carries a copy of the code from out of the nucleus?
Molecules of Ribonucleic Acid (RNA) carry the instructions for assembling proteins out of the cell nucleus. Without this type of molecule, the cell cannot survive.
What property of the cell membrane enables it to perform active transport?
Embedded in the semi-permeable cell membrane are many different types of carrier proteins or channel proteins. These globular proteins allow the transport of specific substances from the outside of the cell into the cell or vice versa.Specific means each protein can only transport one type of substance across. For example, Protein A can transport Substance X but not Substance Y. Substance Y has to be transported by Protein B which cannot transport Substance X. The specific nature of these globular proteins mean it is easier for these molecules to be transported.
How will absence of any one of the cells organelles affect the cell working?
For example,if the nucleus is absent,then the cell and its functions cannot be controlled.If the endoplsmic reticulum is absent, then the food cannot be transported in the cell.This shows that the absence of an one organeele will adversely affect the working of the cell.
Why does facilitated diffusion level off in a graph?
There are a limited number of proteins in the cell-membrane. Therefore, when there are 5 protein carriers and 20 molecules which need to be transported, only 5 can be transported at any one time... so the leveling off shows it cannot increase any further than 5 ,ie
What is the vegetable which cannot be transported in a sea vessel?
Leeks!
Why can't red blood cells produce repair enzymes?
Red blood cells lose their nucleus when they mature, along with all their DNA. As such they cannot make any new proteins or enzymes once they mature, and would not have any DNA repair enzymes.
Why K shell shields the nucleus the most?
k shell is nearest to the nucleus, but it cannot be said that it shields the nucleus MOST.
Why does k shell shields the nucleus the most?
k shell is nearest to the nucleus, but it cannot be said that it shields the nucleus MOST.
Proteins cannot be denatured by?
freezing
