Answer:
If a plant cell is placed in distilled water, water will enter the cell and the cell contents will expand. However, the elastic cell wall exerts a back pressure, which will limit the net gain of water.
Explanation:
This mutation type is a substitution mutation. Substitution mutations may be silent or may have adverse effects (missense mutation).
Adverse effects come about because the change in codons in mRNA transcribed from the DNA strand. A point substitution can change the amino acid being coded for in the particular polypeptide change. If that animo acid is a structural residue of the protein, the structure of the protein will be altered, which may or may not lead to a change in protein function. If that particular amino acid is a catalytic residue of the protein, it may alter the 3D conformation and charge of the active site (if protein is an enzyme) or the binding site of protein. Function of protein formed from mutated DNA will be lost or altered.
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Answer:
It destroy both harmful and beneficial microbes.
Explanation:
If scientist added a chemical to destroy the arctic microbes, the beneficial as well as harmful microbes also eliminated from that area where chemical is applied. The removal of harmful microbes is a good thing but the removal of beneficial microbes brings instability in the environment. These beneficial microbes helps in the recycling of nutrients for the plants present there. So the negative effect of chemical is that it also effect the beneficial microbes which are necessary for the ecosystem.
Indigestion fiber, enteric bacteria, water
Answer:
a) when the client is admitted to the hospital.
Explanation:
Rehabilitation for a client who has an injury, a cerebrovascular accident, starts at the period of admission to the clinic.
The first aim of rehabilitation is to further avoid deformities.
This can be done via techniques as positioning the client in the right position in bed, adjusting the client's position with time, and making sure every part of the client body is in proper positioning.
