If the twisting of the DNA is in the same direction as that of the double helix, that is the helix is twisted up before closure, this form of super coiling is known as;

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#Question id: 8789

#XL - R Botany

If additional DNA sequence evidence shows that yeast genes for synthesizing proteins are more similar to protein-synthesizing genes in bacteria than those in archaea, a modern systematist would ________.

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#Question id: 8841

#XL - R Botany

Adaptive radiations can be a direct consequence of four of the following five factors. Select the exception.

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#Question id: 8844

#XL - R Botany

Organic chemistry is a science based on the study of

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#Question id: 8846

#XL - R Botany

Why are hydrocarbons insoluble in water?

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#Question id: 8847

#XL - R Botany

A compound contains hydroxyl groups as its predominant functional group. Which of the following statements is true concerning this compound?

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#Question id: 8849

#XL - R Botany

Humans can digest starch but not cellulose because