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erica [24]
3 years ago
11

What molecule, located in the nucleus, is composed of two strands forming a double helix, and what is its function?

Biology
1 answer:
andrew11 [14]3 years ago
6 0
DNA because DNA always has a double helix
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A special group of chemical substances that are used to treat diseases caused by microbes are called?
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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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2 years ago
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Explanation:

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How might a gene mutation be silent, with no observable effect on a cell or an organism? A. Codons are complementary to anticodo
steposvetlana [31]

Answer:

D. Many amino acids are encoded by multiple codons. A gene mutation that encodes the same amino acid would have no observable effect on the cell or the organism

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If gene mutation does not change code (gene still encodes for the same amino acid), the same protein with its function will be produced. This is called synonymous mutation.

Silent mutations might also occur when  codon is altered to produce an amino acid with similar function as previous (e.g. leucine to isoleucine) so that the function of protein is not significantly changed.

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3 years ago
Write about 3 lab safety rules and why it is important to follow them.​
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Answer:

1.  Always put hair up at all time Because if you don't you can accidently burn your hair and you don't want to get chemicals on it.

2. Always Wear your goggles Because if you don't your eyes can start like burning if you get to close to a chemical and when you have your goggles on it won't burn at all.

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Ik I have a lot of burning things in there but Ik from experience lol

Explanation:

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