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Brut [27]
3 years ago
9

Copper turns a green-brown when it is exposed to oxygen in the air.

Biology
1 answer:
STALIN [3.7K]3 years ago
3 0

The answer is B.) its reactivity

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Use Chargaff’s rules to predict the missing values for E. coli, human, and ox DNA. Round your answers to the nearest whole numbe
Black_prince [1.1K]

Answer:E. coli: Cytosine- 26, Thymine-24

Human: Guanine-20, Cytosine-20

Ox: Guanine-21, Cytosine-21, Thymine-29

Explanation:

Chargaff's rules state that in a given DNA molecule the percentage of Adenine %A is approximately equals the percentage of Thymine %T and the percentage of Guanine %G is approximately equals the percentage of Cytosine %C.

Answer is

E. coli: Cytosine- 26, Thymine-24

Human: Guanine-20, Cytosine-20

Ox: Guanine-21, Cytosine-21, Thymine-29

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A testable idea about a set of observations or natural phenomenon.
galben [10]

C. theory is the answer to your question

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Neutrons are located in the nucleus of an atom. True False
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Answer:

No they surround the atom

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Large central vacuoles store nutrients and waste products, but they also maintain the plants' structures.

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Chloroplasts are used in the process of photosynthesis, which only occurs in plants.
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