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babunello [35]
3 years ago
10

Which statement best explains how enzymes speed up chemical reactions?

Biology
2 answers:
motikmotik3 years ago
8 0
Enzymes lower the activation for chemical reactions so they get a  faster *Jump Start.* Once this happens these reactions can happen a lot faster than similar reactions or the same reaction
kobusy [5.1K]3 years ago
7 0

Answer: The correct option is A) Enzymes lower the activation energy of a reaction.

Enzymes are also called as catalyst. They increase the rate of reaction by lowering the activation energy of the reaction. This means that they speed up the chemical reactions by doing so.

Activation energy is the minimum amount of energy required by a reactant to form an activated complex in order to initiate the chemical or nuclear reaction.

Thus, enzymes speed up the chemical reactions by lowering the activation energy.

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Please helpppp meee I cant faillllll:(
marissa [1.9K]

Answer:

cysteine

Explanation:

The anticodon for ACA is UGU

in the left column find the U. From the top column find the G. From the right column find the last U. The amino acid at that location is cysteine

3 0
3 years ago
Pls help thank you
kvv77 [185]

Answer:

Forms of fossils and there arrangement with layer of rock.

Explanation:

  • The seashore is a significant place for the depositional work of waves and it's also one of the significant places for the erosion and weathering of rocks.  
  • The presence of sedimentary rocks along the cliffs are essential for the discovery of fossils of plants and animals. Fossils of shells and other creatures that were of marine origin are mostly discovered near excavation sites. Fossil helps to prove the age of rocks and strata.
5 0
3 years ago
A human lost at sea without fresh drinking water is effectively lost in an osmotic desert. why would drinking salt water be harm
Grace [21]
Drinking salt water is harmful because it messes up the salt concentration in each of your red blood cells. It over loads the salt in it and causes the cell to swell up and burst due to it trying to let in more water to balance the salt concentration out. 
4 0
4 years ago
A student performed an experiment with bags of dialysis tubing filled with distilled water to model the process of osmosis. Dial
Reil [10]

Answer:

Taking into account the principle of osmosis, the question that best addresses experimental design is  <em>How does the effect of environmental sucrose concentrations impact the  movement of water across a membrane?</em>

Explanation:

The experimental design of the student, made with dialysis bags and sucrose at different concentrations should recreate the principle of osmosis, of importance in living beings for organic homeostasis.

Osmosis consists of the movement of water - through a semi-permeable membrane - from a less concentrated solution to a higher concentration solution, following a gradient, to achieve balance.  

The student will observe in his experiment that water moves from the solution with less sucrose concentration to the higher concentration of sugar. Beakers with the highest concentration of sucrose will have the highest weight, due to the increase in liquid volume.

How does the effect of environmental sucrose concentrations impact the  movement of water across a membrane?

The experiment shows that:

  1. The water from the beaker with less sucrose concentration moved -through the dialysis tubes and the membrane- to the beaker containing the most concentrated sucrose.
  2. Different sucrose concentrations will attract different amounts of water, which influences the final weight of each container.

With this experiment the principle of osmosis is confirmed, where the concentration of a solute determines the amount of water that passes through a semipermeable membrane -following a concentration gradient- until equilibrium is reached.

Learn more:

brainly.com/question/1517477

7 0
4 years ago
Read 2 more answers
Food is commonly refrigerated at temperatures 2°C to 7°C to slow the rate of spoilage by bacteria. Which of the following best e
user100 [1]
Ok so im not sure what the choices are but from I know it has to do with cold slows down the reproduction of bacteria and so that why after we open up like water/liquid dense foods or sauces we put it in their because bacteria can reproduce easily in that enviornment.
 
              Hoped that helped!!!! or u at least understood
  
                                  -Kat

6 0
4 years ago
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