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Stels [109]
3 years ago
10

Thirty patients with acne volunteer to be treated with either a medicinal lotion

Biology
1 answer:
Marina CMI [18]3 years ago
3 0

Answer:

Thirty patients with acne volunteer to be treated with either a medicinal lotion

or a normal moisturizing cream. This type of experimental design is called

a clinical trial.-B.

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updraft and downdraft in large cumulonimbus clouds can recirculate water molecules within the cloud and contribute to the format
mamaluj [8]
Hail. I'm sure that the answer you're looking for is hail. As the Updrafts force the water molecules up, they began to freeze, in which case they become heavy and start to fall, only to be carried up by another updraft, in which case it freezes again, while adding more water molecules. This process repeats until the hail is heavy enough to finally fall to the ground and escape the updrafts. So yes, the answer is hail, I hope this helped!
4 0
3 years ago
WILL MARK BRAINLIEST The theory of endosymbiosis and history of life on Earth allows one to predict that the gene sequences that
vredina [299]

Answer:

Il only

Explanation:

bacterial species

5 0
3 years ago
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The diagram shows the structure of an organelle known as the powerhouse of the cell. This organelle is responsible for releasing
JulijaS [17]
Answer:
Mitochondria
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4 0
2 years ago
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Is it made of a cell
Kryger [21]
Every living thing is made of up cells

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8 0
3 years ago
Only the proteins that the bacteria Escherichia coli (E. coli) needs are synthesized at any given time. For example, when lactos
nataly862011 [7]

The correct answer is A. Lac repressor.

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Lac repressor is termed as DNA which binds proteins. It allows the expression of genes from coding which are made for proteins to be involved in metabolism of lactose which is in bacteria.

When there is no lactose which is available in the cell, then the genes are being repressed. Lactose are being converted to allolactose if they are available.

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