Answer:
The initial mass of a star determines its evolution.
Explanation:
Smaller stars on the main sequence will swell to become giants. Larger stars on the main sequence will swell to become supergiants.
Answer:
Plant cell seems less affected by the changes in solute concentration due to presence of cell wall.
Explanation:
The principle difference between plant cell and animal cell is that plant cell contain cell wall but animal cell does not.
The presence of cell wall prevent the osmotic lysis of the cell when the cell is kept in a hypotonic solution.
In case of plants the solute concentration of cytosol is greater than that of extracellular matrix.The entry of water inside the plant cell increases the turgor pressure that pushes both cytosol and plasma membrane against the rigid cell wall.
When an area is malaria-free, the HbS allele frequency is between 0 and 2.02. Thus, option "A" is correct.
<h3>How, explain your answer briefly?</h3>
In the two maps that show the allele frequency of sickle haemoglobin (HbS) and malaria endemicity in Africa, it can be seen that in the regions with no malarial outbreak or malaria-free areas coincide with the grey to lighter shades of red in the heat map of the allele frequency of HbS. The colour coding in the heat map for the allele frequency tells us that the frequencies range from 0 to 2.02 in the malaria-free areas.
Hence the answer is A)When an area is malaria-free, the HbS allele frequency is between 0 and 2.02.
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Answer:
A lysosome is a membrane-bound cell organelle that contains digestive enzymes. They break down excess or worn-out cell parts. They may be used to destroy invading viruses and bacteria. If the cell is damaged beyond repair, lysosomes can help it to self-destruct in a process called programmed cell death, or apoptosis.
Explanation:
Answer:
sou brasileira bem não posso ajudar ok
