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JulijaS [17]
3 years ago
9

Which environmental changes occur faster?

Biology
1 answer:
Flura [38]3 years ago
3 0
Im pretty certain it is volcanic eruption 
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Number 14 please I'm not sure if it is right
cricket20 [7]
The actual answer is, "A", an ocean trench.

You can find out more about them by researching them up on Google, it's only a few phrases and a hit on the enter key :P
8 0
3 years ago
Consider a situation in which the enzyme is operating at optimum temperature and pH, and has been saturated with substrate. What
almond37 [142]

Answer:

The correct answer is option C, that is, increase the concentration of the enzyme.

Explanation:

Biological molecules or proteins that enhance the rate of a chemical reaction taking place within the cell are known as enzymes. These proteins play an essential part in the proper functioning of the body, as they help in the process of metabolism and digestion.  

In the given case, if the enzyme gets saturated with the substrate, and is working at optimum pH and temperature, then to enhance the rate of the reaction the only thing that can be done is to enhance the concentration of the enzyme. However, further stimulation of some of the enzymes can be done with the addition of allosteric activators in the reaction, otherwise, enhancing the concentration of the enzyme is the only way.  

8 0
3 years ago
What evidence did Alfred wager use to support his theory of continental drift?
Delicious77 [7]
Well he looked at the contents and saw they some of them had similar shapes so
6 0
3 years ago
What type of country is described by higher birth rates, higher infant mortality rates, and lower average income?
natulia [17]
The answer is, "B", "Developing country".
5 0
3 years ago
Read 2 more answers
What is secreted by the gastric mucous neck cells and pancreatic duct cells to neutralize stomach acid?
erik [133]

Answer:

Bio carbonate ions

Explanation:

The pancreas secrets an aqueous mixture ( water, digestive enzymes and bicarbonate ions) during digestion of food substances from the stomach into the duodenum to begin the process of absorption and assimilation.

The pancreatic duct are lined with duct cells. These are cells which secretes HCO3- ,into the aqueous mixture. This ion is basic. Therefore it  neutralizes the acidity of the  of  the chyme to  released from the stomach to enable the pancreatic enzyme to work.

The bicarbonate ions also prevent the walls of the pancreases from getting burnt by the effect if the acidity of the chyme.

3 0
3 years ago
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