The purpose of the cell membrane is to hold the different components of the cell together and to protect it from the environment outside the cell. The cell membrane also regulates what enters and exits the cell so that it doesn’t lose too many nutrients, or take in too many ions. It also does a pretty good job of keeping harmful things out.Ions and large polar molecules cannot pass through the lipid bilayer. But more specifically, whether a molecule can pass through the membrane depends on its size and its electrical nature. The membrane is highly permeable to non-polar (fat-soluble) molecule.
<span>Endotherms</span> <span>require</span> <span>a higher
metabolic rate</span> <span>than</span> <span>ectotherms</span>. This is because <span>endotherms</span> maintain a <span>regular/</span> constant body temperature while <span>ectotherms</span> depend on the heat in the <span>environment</span> to regulate body <span>temperature</span>.
Therefore, <span>endotherms</span> must eat regularly to
maintain this metabolic rate and <span>sustain</span> <span>constant</span> temperatures.
Answer:
The cell will plasmolyse. The protoplasm shrinking away from the cell wall.
The solution is hypertonic to the plant cell.
Water diffuse from less negative water potential (plant cell) to more negative water potential (solution) via osmosis down the water potential gradient.
The water loss of plant cell cause plasmolysis to occur.
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Answer:
Option 3, Genus and Species
Explanation:
The first part of the name – the generic name – identifies the genus to which the species belongs, while the second part – the specific name or specific epithet – identifies the species within the genus. For example, humans belong to the genus Homo and within this genus to the species Homo sapiens.
