According to Chargaffʹs observations of nucleotide composition of DNA samples, which of the following options are correct

A) % of (G + C) + % of (A + T) = 100%.

B) A = T.

C) G = C.

D) %A + %C + %T = 100%.

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#Question id: 4275

#Unit 3. Fundamental Processes

CCA-adding enzymes add a specific sequence without a template because

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#Question id: 32366

#Unit 2. Cellular Organization

Following proteins which are involve in Actin filament assembly.

I. Profilin

II. Cofilin

III. Thymosin

IV. Formin

V. Actin–profilin complex

VI. Actin–thymosin complex

VII. Actin–cofilin complex

VIII. Actin–formin complex

Which of the following combination is correct?

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#Question id: 7131

#Unit 5. Developmental Biology

What is globin gene switching?

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#Question id: 20969

#Unit 12. Applied Biology

Which of the following is the process of choosing parent organisms for the characteristics that is wanted in their offspring?

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#Question id: 24650

#Unit 10. Ecological Principles

Determine the correctness of the following given; 

I-fundamental niche and 

II-realized niche

a. Actual range of an organism in nature

b. Biotic factors 

c. Abiotic factors

d. Abundant range of an organism