Answer:
A
Explanation:
There are different mechanisms for transport of molecules across the cell membrane. One kind of this transport is facilitated diffusion, this is a form of passive transport, not requiring any ATP (the opposite would be active transport, where it does require ATP.
Simple diffusion does require special transport proteins, and neither does osmosis. Filtration is a technique used for sterilisation of water, where any impurities can be drawn out of the liquid
Answer:
Explanation:
In a lake, oxygenic phototrophs produce new organic material as well as O₂. If primary production rates are very high, the resultant excessive organic matter production can lead to bottom-water O₂ depletion from respiration and the development of anoxic conditions. This in turn stimulates anaerobic metabolisms, including anaerobic respirations and fermentations.
Organic matter that is not consumed in surface layers sinks to the depths and is decomposed by anaerobes.
Answer:
Atomic theory is the scientific theory that matter is composed of particles called atoms.
Solids: their molecules are close to each other.They can't change their shape nor they can does it expand to fill the entire available volume like gas.
Liquid: A liquid is an incompressible fluid that conforms to the shape of the container in which it is stored. It's molecules are not too close to each other.
Gas: Most gases cannot be seen but are present in the atmosphere.Their particles are far from each other.Gas is described by pressure, volume, temperature and number of particles
Explanation:
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Quite possibly. It would be easier to take control over a brain that is at its most non active state which happens when it is dark, or very bright
Answer:
Its fitness would be lower than other strains that lack resistance because it is spending energy that the resistant strains can use for other purposes, such as reproduction.
