Which statement represents the best explanation for the observation that the nuclear DNA of wolves and domestic dogs has a very high degree of homology?

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#Question id: 1119

#XL - Q Biochemistry

Phosphorylation cascades involving a series of protein kinases are useful for cellular signal transduction because they:

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#Question id: 4631

#XL - S Microbiology

As a young biologist, Charles Darwin had expected the living plants of temperate South America would resemble those of temperate Europe, but he was surprised to find that they more closely resembled the plants of tropical South America. The biological explanation for this observation is most properly associated with the field of

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#Question id: 11005

#XL - T Zoology

Which of the following phases of the cardiac cycle follows immediately after the beginning of the QRS wave?

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#Question id: 19786

#XL - P Chemistry

The total number of electrons in a subshell designated by azimuthal quantum number, l is given as

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#Question id: 10356

#XL - Q Biochemistry

Why the GS  and GOGAT is activated in light and while the AS is inhibited?