Data, collected from DNAs of a great many different species, led Chargaff to the following conclusions:

A. The base composition of DNA generally varies from one species to another.

B. DNA specimens isolated from different tissues of the same species have the different base composition.

C. The base composition of DNA in a given species changes with an organism’s age, nutritional state, or changing environment.

D. In all cellular DNAs, the sum of the purine residues equals the sum of the pyrimidine residues.

Which of the above statements are INCORRECT regarding Chargaff’s rule?

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#Question id: 12572

#Unit 10. Ecological Principles

Use what you know about ecosystem stability and the information provided in the graph below to answer the following question.

Which community (a-e) would likely be the most biodiverse?

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#Question id: 28228

#Unit 5. Developmental Biology

When a multipotent stem cell divides asymmetrically, its maturing daughter cell often goes through a transition stage, called as

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#Question id: 23702

#Unit 13. Methods in Biology

The major advantage of using artificial chromosomes such as YACs and BACs for cloning genes is that

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#Question id: 26442

#Unit 3. Fundamental Processes

NER component and their analogue's are given in mammalian system are given match them correctly

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#Question id: 10871

#Unit 10. Ecological Principles

Which of the following best describes the relationship between humans and dogs?