If the cell grows beyond a certain limit, not enough material will be able to cross the membrane fast enough to accommodate the increased cellular volume. When this happens, the cell must divide into smaller cells with favorable surface area/volume ratios, or cease to function. That is why cells are so small.
simpler answer: Cells are small because they need to keep a surface area to volume ratio that allows for appropriate intake of nutrients while being able to eliminate the cells waste.
Answer:
1.) the nervous system outside the brain and spinal cord.
2.) the somatic nervous system and the autonomic nervous system.
3.) The somatic nervous system has sensory and motor pathways, whereas the autonomic nervous system only has motor pathways. The autonomic nervous system controls internal organs and glands, while the somatic nervous system controls muscles and movement. Both, receives input from sensory neurons.
Explanation:
Answer:
There are pros and cons in genetic modification.
Explanation:
Pros: It will help with plant growth and because of global warming it can help keep the plants alive. It can also help cure some diseases and help humans stay alive with what is coming for us in the future.
Cons: If we do this, we would gain more diseases and have new mutations going on in the world. The Plants may mutate and we may lose some types of animals to new diseases.
Answer:
Explanation:
1) The simplest structure is cubic system like simple cubic, body-centered cubic and face-centered cubic in the crystal system.
2) Yes, all minerals have crystal structures because minerals have definite crystal structure. Minerals are solids that are formed naturally through the inorganic processes. Some mineral properties are density, shape, color and hardness.
3) Minerals are the naturally occuring inorganic substances which have ordered atomic arrangement, they are not made by humans that's why we can't predict the specific structure of majority of minerals.
Answer:
If a cell can't control what enters and leaves its structure, harmful and foreign substances can get into the cell and obstruct cell activity.
Explanation:
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