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Ronch [10]
3 years ago
15

A substance that speeds up the rate of chemical reactions is called

Biology
2 answers:
Whitepunk [10]3 years ago
3 0

Answer:

a

Explanation:

True [87]3 years ago
3 0

Answer:

It is a catalyst.

Explanation:

A catalyst provides an alternative route for the reaction with a lower activation energy. Some catalysts in chemistry are platinum, nickel, and manganese oxide.

don´t forget to brainllest:)

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The diagram shows a normal red blood cell and a shrunken red blood cell, both of which are in salt water.
bixtya [17]

Answer: Water moved from inside the red blood cell into the salt water.

This is because of the osmotic difference between the salt solution and the red blood cell. This means that there is difference in the solute (salt) concentration inside the red blood cell and the salt solution.

Explanation: The salt concentration in the solution is higher than the salt concentration inside the red blood cell, that is, the red blood cell has more water concentration that the salt solution, therefore there will be movement of water from the inside of the red blood cell into the salt solution thereby causing the red blood cell to reduce in size. The movement of water from the red blood cell into the salt solution is to create a balance between the water concentration in the two environments, hence the movement of water from an area of high water concentration to an area of low solvent concentration across the selectively permeable membrane of the red blood cell.

5 0
3 years ago
Read 2 more answers
According to appearances, which light produces the healthiest plant?
Dennis_Churaev [7]

Answer:

Blue light

Adding 10-20% blue light allowed plants to grow much healthier, with a compact appearance. There is also far-red light which is has wavelengths that are lower than normal red light–similar to near-infrared wavelengths. Far-red light helps the plants produce greater yields.

3 0
3 years ago
During the absorptive state, metabolism adjusts to either provide energy for immediate use or store excess energy to be used lat
Effectus [21]

Answer:

A. Catabolic

B.Anabolic.

C. Anabolic

D. Catabolic.

E.Anabolic

F. Catabolic

G. Anabolic

H. Catabolic

Explanation:

Catabolic process is a metabolic processes that breakdown complex or larger molecules into smaller sizes by releasing energy.

The examples of such metabolic processes are;

Glucose is used as the primary fuel for energy

Dietary carbohydrate from a meal is digested and absorbed as monosaccharides, mainly glucose

Dietary protein from a meal is digested and absorbed as single amino acids.

Fatty acids are used as fuel sources for some tissues.

All this processes are catabolic processes because large molecules are broken to smaller ones and all this processes release energy.

Anabolic process is a metabolic process where smaller molecular are build up to form larger molecules and this requires the input of energy.

Examples are;

Glucose is used as the primary fuel for energy

Excess glucose is stored as glycogen in the liver and muscle.

Excess glucose is converted to fatty acids and stored as part of the triglyceride molecule in adipose tissue

Excess tatty acids combine with glycerol to form which are stored in adipose tissues.

All these processes requires the build up of smaller molecules to larger molecules and requires input of energy.

3 0
4 years ago
Please help me please!!!​
pantera1 [17]

Answer:

  1. nasal cavity
  2. pharnys
  3. laryns
  4. lung
  5. right bronchi
  6. diaphragm
  7. mouth cavity
  8. trachea
  9. left brochi
  10. bronchiole
  11. alveoli
5 0
3 years ago
An energy-transferring compound in cells is a nucleotide known as
8090 [49]

Adenosine triphosphate (ATP) is a complex molecule which provides energy to the cells. This molecule is present in all the living organisms. The chemical energy which is obtained by the body by the breakdown of the food is captured by the ATP (Adenosine Triphosphate) molecules. This captured chemical energy is then transferred by it in order to fuel different body processes.

Hence, the answer is ATP (Adenosine Triphosphate).

7 0
3 years ago
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