The cell membrane slows the movement of water into or out of the cell and this is vital when treating diseases.
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What is a cell membrane?</h3>
The cell membrane provides protection for a cell and also provides a fixed environment inside the cell. It transports nutrients into the cell and transports toxic substances out of the cell.
The cell membrane is simply one of the major barriers that pathogens need to conquer e.g. a virus first needs to attach itself to the cell membrane and injects its genetic material into the host cell before replication.
Estrogens passively diffuse across the plasma membrane and then bind to their receptor proteins in the cytoplasm of the target cells.
When estrogen enters the nucleus, it binds to the estrogen receptor, causing it to pair up and form a dimer. Then this dimer then binds to several dozen specific sites in the DNA, strategically placed next to the genes that need to be activated.
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Answer:
The answers are letters A, D, F, G.
Explanation:
The true statements about PNS are:
a. Stimulating the organs of digestion is a parasympathetic response.
d. Parasympathetic nerves are associated with the cranial and sacral regions of the spinal cord, whereas sympathetic nerves are associated with the thoracic and lumbar regions.
f. Neurons in the parasympathetic division release neurotransmitters that act on receptors that slow heart rate.
g. The sympathetic division of the PNS prepares the body for physical exertion in stressful situations.
Answer:
The active site located in a deep tunnel within the enzyme, or between the interfaces of multimeric enzymes.
I wrote a paragraph summing the importance of Carbon a while back, see if it helps find your answer. :)
Carbon is an element on the periodic table with the symbol C, and the atomic number 6. There are many reasons that carbon is vital to life on earth, not only to humans but to plants as well. First of all, humans are made of eighteen percent carbon. It is not only found in humans, it is also found in every organism currently known, including plants in a technological way. To plants, carbon flows inside of their cells. They need it to create glucose which then works as food. To humans, it's used in many science sets. It is used in a vast array of compounds including gasoline. Gasoline is what keeps motors around the world running, and it's made up of hydrocarbons with at least 5 carbon atoms each. It also aids the greenhouse effect, keeping the earth warm and habitable by human beings.
Occurs naturally on earth
