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Rom4ik [11]
3 years ago
11

3. How many layers does our skin have? * 3 5 7

Biology
1 answer:
DaniilM [7]3 years ago
4 0

Answer:

3

Explanation:

i looked it up i hope that helped!

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Pepsinogen is an:A) inactive precursor to the enzyme pepsin that digests proteins in the stomach. B) active enzyme that is relea
sasho [114]

Answer:

A. INACTIVE PRECURSOR OF THE ENZYME PEPSIN THAT DIGESTS PROTEINS IN THE STOMACH.

Explanation:

Pepsinogen is the inactive precursor of pepsin produced by the chief cells of the stomach lining. The stomach walls are lined by majorly two types of cells; the chief and the parietal cells. Chief cells secretes pepisinogen and parietal cells secrete hydrochloric acid in the stomach lining. The chief cells upon the signals of increased protein substance in the stomach produces pepsinogen which upon it release, it is activated to the active enzyme Pepsin by the hydrochloric acid from the parietal cell. Hydrochloric acid provides the acidic environment needed for the action of pepsin in the stomach. The pepsin begins the digestion of proteins into small amino acids in the stomach,

6 0
3 years ago
Arrows represent the forces applied to an object. A longer arrow means a greater force. Which object will move upward?
Katen [24]

Answer:

Object C

Explanation:

Object A has two arrows, one pointing up and one pointing down. Since both arrows are the same length, the forces cancel, and Object A will not move.

Object B also has two arrows, one pointing up and one pointing down. However, the downwards pointing arrow is much longer than the other. This means it has more force and the object will move down.

Object C has two arrows, one pointing up and the other down. However, the upwards pointing arrow is longer than the other, meaning it has more force and the object will move upward.

Object D has two arrows, but both are pointing downwards, meaning the object will move down.

5 0
2 years ago
Which Characteristic best distinguishes glycolysis and the Krebs cycle from the electron transport
Elis [28]

The amount of ATP (Adenosine Triphosphate) produces is a characteristic that would best describe or distinguish glycolysis and the Krebs cycle from the electron transport chain.

5 0
3 years ago
Which of these is not a greenhouse gas? A. nitrous oxide B. carbon dioxide C. ozone D. methane
krek1111 [17]

The answer is;  C

Ozone is a layer in the stratosphere that absorbs UV light from the sun and protects life on earth. UV can cause damage to the genetic material of cells. The other is greenhouse gases that trap infrared heat within the lower atmosphere and cause global warming of the planet.  


5 0
3 years ago
Read 2 more answers
Scientists often work together with other scientists. If you were working in a scientific laboratory, how could you help people
butalik [34]
Help with what they are doing like set up a microscope. and i want to be a scientist  
3 0
3 years ago
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