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MrRa [10]
3 years ago
12

22) Using x-ray crystallography, as well as other methods, the researchers Watson and Crick discovered the ________________ stru

cture of DNA.
Biology
2 answers:
seraphim [82]3 years ago
6 0
Double-helix. Hope it helps! 
pishuonlain [190]3 years ago
6 0

Answer: The correct answer for the blank is-

Double helix structure of DNA.

M. Wilkins and R. Franklin obtained high-resolution images of DNA fibers with the help of X-ray crystallography, which suggested other scientists like Watson and Crick to discover a double helical structure of DNA ( deoxyribonucleic acid). In other words, using the information of the work done by these two scientist, Wastson and Crick discovered double helical structure of DNA.

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aalyn [17]

Answer:

The correct answer is B. 1, 2, and 4

Explanation:

Option no 1 is true because before maturity, the mosquitoes will not be able to cause malaria and will be easier to kill.

Option no 2 is true because in order to ensure a safe control, the Brachiola gambiae shouldn't be dangerous to other animals or insects.

Option No 3 is not true because Mosquito larvae will contain the male larvae also. As the male larvae are not harmful, hence their growth shouldn't be stopped or they should not be killed.

Option No 4 is correct because before applying any controlling measures for a problem, it should always be kept in mind that it should not have negative effects on other food systems.

Answer No 5 is false because as the females Anopheles are harmful, they should be killed. The male Anopheles are not harmful hence, they should not be killed.

8 0
3 years ago
After a forest fire, which type of organisms will begin secondary succession?
evablogger [386]

Answer: honestly i just dont know im here for the points thanks broski

Explanation:

4 0
3 years ago
Which of the following bacteria can grow in low oxygen environment: Salmonella Yersinia Listria monocytogenes Clostridium botuli
AlexFokin [52]

Answer: Clostridium botulinium

Explanation:

An anaerobic bacteria is an organism which does not require oxygen for it's survival. It may not survive or die in the presence of oxygen. These bacteria are used for the process of fermentation for the preparation of beverage and dairy products.

Clostridium botulinium is the example of the anaerobic bacteria. It is found in soil or marine environment in the form of spores. This bacteria is rod shaped. It forms the spores when the conditions for survival is poor. It causes a disease called as botulism.

6 0
3 years ago
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