Answer:
Solutes dissolved in water on either side of the cell membrane will tend to diffuse down their concentration gradients, but because most substances cannot pass freely through the lipid bilayer of the cell membrane, their movement is restricted to protein channels and specialized transport mechanisms in the membrane. Although ions and most polar molecules cannot diffuse across a lipid bilayer, many such molecules (such as glucose) are able to cross cell membranes. ... Channel proteins form open pores through the membrane, allowing the free passage of any molecule of the appropriate size.t is the proteins, therefore, that give each type of membrane in the cell its ... Many extend through the lipid bilayer, with part of their mass on either side ..... Many hydrophobic membrane proteins can be solubilized and then purified in an active, if not entirely ..... Many Membrane Proteins Diffuse in the Plane of the Membrane.
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Mendeleev called the rows periods.
Explanation:
In biotechnology, several tools have been created to solve practical issues faced within society- one such tool is genetic engineering. Genetically modified organisms (GMs) with their DNA changed or transformed through genetic engineering methods usually GMOs include modifications in DNA through the incorporation of genes from all creatures such as plants, fungi, viruses and livestock.
These are referred to as transgenic organisms, which contribute to several innovations by increasing the nutritional value of foods and improving global food security which is the availability of food for the entire population.
- GM crops are believed to be more robust in nutritional value and taste, and may be altered to boost the nutritional profile. For example, Golden Rice,a modified staple, is thought to be the solution to preventable cases of blindness caused by vitamin A deficiency. This variety has been altered to biosynthesise β-carotene, a vitamin A precursor.
- Pest infestation leads to significant crop loss every year. These GM crops can increase food security. They are immune to pests and should decrease the use of herbicides and pesticides, thereby growing crop yields and making output more effective.
One of the first GM tomatoes dubbed the Flavr Savr was made for longer shelf life. A gene has been introduced from a different species to slow down the tomato's ripening without altering its taste or nutritional content, as well as reducing its vulnerability to fungal infection.
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Answer:
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