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Lemur [1.5K]
3 years ago
15

What was the purpose of the vinegar In the third trial?

Biology
2 answers:
Deffense [45]3 years ago
8 0
The answer to this question is A) Test the effect of raising pH on enzyme action
Free_Kalibri [48]3 years ago
5 0

A)test the effect of raising Ph on enzyme action

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A special group of chemical substances that are used to treat diseases caused by microbes are called?
Sunny_sXe [5.5K]

A special group of chemical substances that are used to treat diseases caused by microbes are called antibiotics.

An antibiotic is a chemical compound that is toxic to other bacteria and is produced by a living thing, usually a bacterium. In a complex environment like soil, organisms undoubtedly use antibiotics to regulate the growth of competing microbes. Soil microorganisms frequently produce antibiotics.

Bacteria and fungi are microorganisms that produce antibiotics that help prevent or treat disease. With the invention of penicillin in 1941, antibiotics gained widespread recognition. Since then, they have fundamentally changed how bacterial infections in humans and other animals are treated.

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3 0
2 years ago
What's the difference between human skin and the cell membrane
Hatshy [7]

Answer: Read explanation

Explanation: there’s actually no similarity at all. A cell membrane is made of phospholipids, globular proteins, glycolipids, glycoproteins, and cholesterol, and has passages that serve explicitly for passive and active transport of materials through it.

The skin is made of cells and dead keratin and serves as much as possible to prevent most substances from moving through it. It’s “designed” for toughness and distensibility, not for selective permeability.

All in all, the difference is that a cell membrane is explicitly and only for the passing and transport of materials through it, and the skin in the skin is made to be tough and durable, almost the opposite of a cell membrane.

7 0
2 years ago
Read 2 more answers
what is the correct sequence for the events of mitosis, meiosis, fertilization, and birth in sexual reproduction?
notka56 [123]
Fertilization, mitosis, meiosis, birth
5 0
3 years ago
Describe physical or mental disability of Down syndrome
shepuryov [24]

Answer:

It is usually associated with physical growth delays, mild to moderate intellectual disability, and characteristic facial features. The average IQ of a young adult with Down syndrome is 50, equivalent to the mental ability of an eight- or nine-year-old child, but this can vary widely.

Symptoms: Delayed physical growth, characteristic facial features, mild to moderate i...

Other names: Down's syndrome, Down's, trisomy 21

Causes: Third copy of chromosome 21

Risk factors: Older age of mother, prior affected child

Explanation:

Hope it helps

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3 0
2 years ago
What has a biconcave shape to increase its surface area​
jeka94

Explanation:

The human erythrocyte adopts a distinctive biconcave disc form in vivo. ... It has been suggested that this shape maximises the surface area to volume ratio and thus expedites diffusion.

3 0
3 years ago
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