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#Question id: 12751


A DNA sample has a 260/280 ratio of 2. Which of the following treatments can be used to get a better purity of DNA sample?

#13. Methods in Biology
  1. RNAase
  2. Chloroform phenol
  3. Proteinase K
  4. Isopropanol

Answer:- Option(s): 1


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#Question id: 3628

#8. Inheritance Biology

Two mutant plants, both bearing white flowers, were crossed. All F1 plants had red colored flowers. Which one of the following conclusions is correct?

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#Question id: 5425

#8. Inheritance Biology

Two varieties of maize averaging 50 and 20 inches in height, respectively, are crossed. The F1 progeny is quite uniform averaging 35 inches in height. Out Of the 16 F2 plants, the 5 are 35 inches. What is the probable number of independent segregating polygenes involved in this trait?

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#Question id: 3673

#3. Fundamental Processes

Which is a characteristic of E. coli DNA polymerases?

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#Question id: 16323

#7. System Physiology – Animal

Tastes and smells are distinct kinds of environmental information where ________.

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#Question id: 9181

#9. Diversity of Life Forms

Turnover of water in temperate lakes during the spring and fall is caused by which of the following?

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