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vaieri [72.5K]
3 years ago
9

Why do you think the human stomach pH range is 2.0 - 3.0?

Biology
1 answer:
Inga [223]3 years ago
7 0

Answer:

The stomach has a pH between 1.5 and 3.5 generally and this is due to the cells in the stomach releasing hydrochloric acid.

Explanation:

So as cells in the intestines gradually release more and more sodium bicarbonate, the pH raises from around 1 to around 7. Answer 2: The stomach usually has a pH of 2 or 3

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Dr. Bartholomew believes people who are very hostile have become so because of their environment. Dr. Tiburon believes people's
bagirrra123 [75]

Answer:

Nature and Nurture

Explanation:

Dr Bartholomew believes that behaviour  is because of nurture, meaning that it is based on where you are raised or who raised you.

Dr. Tiburon on te other hand believe that behaiour is something that you inherit from birth and therefore believes in nature.

7 0
4 years ago
Read 2 more answers
In the complete oxidation of glucose, six CO2 molecules are formed per glucose molecule. The number of CO2 molecules released by
Serga [27]

Answer:

0, 2, 4

Explanation:

The process of cellular respiration takes place in for phases which oxidizes the glucose molecule to the provide energy molecule called ATP.

Along with ATP, the process releases the metabolic water and carbon dioxide gas. In the oxidation of one glucose molecules, about 6 molecules of CO₂ are released. These CO₂ molecules are produced in the following manner:

1. Glycolysis: CO₂ gas is not produced during this reaction but only ATP and NADH are produced.

2. Pyruvate decarboxylation: the process converts the pyruvate produced by glycolysis to Acetyl-CoA. Formation of 1 Acetyl-CoA produces 1 CO₂ and since 2 Acetyl-CoA is produced therefore produces 2 CO₂ molecules.

3. Citric acid cycle: The cycle converts 2 Acetyl-CoA and produces 4 CO₂ in two cycles converting each Acetyl-CoA.

Thus, 0, 2, 4 is correct.

7 0
3 years ago
Based on the experiment in the scenario, which visual aid would be most helpful in showing the change in plants’ height overtime
Ahat [919]

Answer:

Option C, Bar graph

Explanation:

A bar graph is used to graphically represent a comparative data set where data belonging to different categories is presented.  

Here the different categories shall consists of  "different environment exposure" given to plant and under all the “exposed environmental condition” the growth of plant is compared. The categories can be kept on both horizontal and vertical axis of the graph.

Thus, a bar graph (either vertical or horizontal) would be the best to present this data set.

7 0
3 years ago
How much faster than normal extinction have humans caused extinction rates to climb?
Nutka1998 [239]

Answer:

poaching

Explanation:

3 0
3 years ago
Transport of materials into a cell against a concentration gradient, from low to high, requires
Alexandra [31]
The transport of materials into a cell, where the movement of the materials is against the concentration gradient, in other words, the materials are moving from low to high concentration would require B. Energy.
4 0
3 years ago
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