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grin007 [14]
3 years ago
12

Why are most factors held constant in a scientific experiment

Biology
1 answer:
kotegsom [21]3 years ago
3 0

A proposed explanation for a wide range of observations and experimental results that is supported by a wide range of evidence. ... Most factors are held constant in a scientific experiment because you can only change one factor in an experiment so if you notice something, you'll know what caused it.

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Juliette [100K]

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As the temperature of the water decreases from 4°C to 0°C, the density decreases slightly.

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3 years ago
Howmany chromosomes are in a chicken zygote<br> How many chromosomes does a chicken zygote have
Elanso [62]

Answer:

78

Explanation:

Chickens have 78 chromosomes. They inherit 39 from each parent, therefore a zygote (which is made up of an egg and a sperm, each a haploid gamete with 39 chromosomes) will have 78 chromosomes.

This is more than humans: we have 46 chromosomes, as we inherit 23 from each parent.

8 0
4 years ago
What would most likely happen if the parietal cells in your stomach stopped functioning?
salantis [7]

If the parietal cells in your stomach stop functioning The pH of the abdomen will rise.

Parietal cells, called oxyntic cells, are stomach epithelial cells that release intrinsic factors and hydrochloric acid (HCl). These cells are present in the stomach's gastric glands, which are situated in the fundus and body regions. Gastric acid secretion, which helps with food digestion, mineral absorption, and bacterial control, is controlled by parietal cells.

In the center of the glands in the fundus-body region of the stomach are the parietal cells. They release the intrinsic factor, a protein that binds vitamin B12, and gastric acid, or hydrochloric acid (about 0.16 M, pH 0.8). The parietal cells that are destroyed are unable to create enough stomach acid. As a result, the pH of the stomach rises, food digestion is hampered, and the risk of gastroenteritis increases.

To know more about parietal cells refer to:  brainly.com/question/26966393

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2 years ago
Water in the upper zones of the ocean will have more oxygen than water in deeper zones.
Veronika [31]
I just took the test and it said the correct answer is true
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3 years ago
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