Answer:
Answered below
Explanation:
Cell membranes are barriers which protect and regulate the movement of substances in and out of the cells. It is a semi-permeable and selective structure.
In the passive transport system, substances move along a concentration gradient and it doesn't require energy. The examples of passive transports include; simple diffusion which transports carbon dioxide and oxygen, osmosis and facilitated diffusion which transports charged molecules like ions, sucrose etc.
In active transport, substances move against the concentration gradient. This requires energy. The two main types are: primary active transport, which uses direct metabolic energy e.g Na+/K+ pump, and the secondary active transport system which couples the transported molecules with another molecule moving along the gradient, example the Na+/glucose transporter.
Answer:
The missing word is Depletion.
Explanation:
Depletion of the coral reef can occur when the coral reef is overfished. Demand for fish is moving in the same direction with the rapidly escalating population growth rate.
One side effect of unsustainable, uncontrolled fishing is that certain species might become overfished and therefore go extinct.
This creates an ecological imbalance, which accelerates the Coral Reef's degradation.
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Is this true or false? What are you asking. The answer is true if it is a true or false.
not sure if this is what your looking for
Most proteins and carbohydrates exhibit chirality in their structure and function
Answer:
because you keep producing more and more
Explanation:
