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Katen [24]
3 years ago
15

The graph illustrates the activity level of three common digestive enzymes, across a range of pH values. Hydrochloric acid is us

ed by the stomach to aid in digestion and causes the stomach to have an average pH of 1.5 to 3.5. Which enzyme is likely to be active in the acidic environment of the stomach?
Biology
1 answer:
fenix001 [56]3 years ago
5 0

Answer:

Digestion starts with the sight, thought, or smell of food. When the brain anticipates an incoming meal, the vagus nerve sends a message to the stomach causing the release of acetylcholine. The binding of acetylcholine to G cells in the stomach starts the secretion of gastrin and, in combination with acetylcholine and histamine, stimulates parietal cells in the gastric glands of the stomach body to start secreting hydrochloric acid (HCl).

Explanation:

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Which muscles are used for shallow breathing and deep breathing. And what difference does it make?
zavuch27 [327]

Answer:

i am not that much of science lover but i there u go

Explanation:

During quiet breathing, the diaphragm and external intercostals must contract. A deep breath, called diaphragmatic breathing, requires the diaphragm to contract. As the diaphragm relaxes, air passively leaves the lungs. A shallow breath, called costal breathing, requires contraction of the intercostal muscles.

i hope it helped

3 0
3 years ago
Which of the following non-science subjects is often necessary to prepare for a career in science?
omeli [17]

The non-science subjects is often necessary to prepare for a career in science is Math. Option D. This is further explained below.

<h3>What is Math?</h3>

Math is simply defined as the branch of science that studies numbers, forms, and their relationships.

In conclusion, Math is a non-scientific topic that is frequently required to prepare for a career in science.

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5 0
2 years ago
Read 2 more answers
What materials are transported in a plant
Phantasy [73]

Sugar, water, and other food molecules.

5 0
3 years ago
based on the fluid mosaic model of the cell membrane, which type of molecule can move passively across the membrane, without the
Monica [59]

Answer:

My guess would be H₂O/ water, since osmosis is a form of passive transport and I can't see the model the question references. Gases like O₂/ oxygen, CO₂/ carbon dioxide, and simple sugars like glucose can also pass through a cell membrane with passive transport though.

8 0
3 years ago
Como podemos trasladar una caja de 50 kg desde planta baja hata un primer piso que presenta una inclinacion de 40º que tipo de m
avanturin [10]

Answer:

Explanation:

We can easily move the box from a ground floor though to the first floor at an angle of 40° to the horizontal by simply pushing the load through an inclined plane. We will simply be lean the inclined plane on the building at the required angle and the push through the the height of the building.

Based on the explanation above, the best type of simple machine to use is an INCLINED PLANE. <em>Note that the essence of using a machine is simply to make our work easier and faster and also be able to overcome a much larger load with a minimal effort. </em>

4 0
3 years ago
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