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wolverine [178]
2 years ago
9

Which tool did Maurice Wilkins use when studying DNA?

Biology
2 answers:
Inessa [10]2 years ago
8 0

Answer:

Microscopes, spectrophotometers, X-ray crystallography (more info below )

Explanation:

Wilkins studied biological molecules like DNA and viruses using a variety of microscopes, spectrophotometers and  X-ray crystallography.

hope I helped!

Tasya [4]2 years ago
7 0

Answer:

B. X-Ray for you on Edgen uity

Explanation:

Did the Quiz

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The "calico" pattern of coat coloration in female cats is a result of:__________
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Answer:

b. x chromosome inactivation

Explanation:

As you know, female cats have an x chromosome inherited from their mother and an x chromosome inherited from their father. After these two chromosomes are inherited and determine the sex of the cat, one of them will be disabled at some point in fetal development. Inside the X chromosome is the gene that determines the coat color of cats, when one of the two x chromosomes is deactivated, the other x chromosome will have all of its cells activated. In this case, if the activated chromosome is the one that has genes for the "cheetah" pattern of the coat color, all the descendants of this female cat also have the same coat.

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Waves of force that travel through Earth as a result of an earthquake are called
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Answer:

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3 years ago
The classification levels of three organisms are listed in the cart:
mel-nik [20]

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Explanation:

Taxonomy classifies animals using different levels such as kingdom, family, order, species, etc. that show the features of the organism and its relationship or similarities with others. In the chart presented, the only level that is different for the three animals is the last one, which is the species level because in this the cat is classified as Domesticus, the lion as Leo, and the tiger as Tigris. This implies the other levels including the class (Mammalia or mammal) or family (Felidae) is the name of the three animals. This makes the last answer correct and shows these three animals are closely related.

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