If, someday, an archaean cell is discovered whose rRNA sequence is more similar to that of humans than the sequence of mouse rRNA is to that of humans, the best explanation for this apparent discrepancy would be ________.

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#Question id: 950

#XL - P Chemistry

Nitric oxide is formed from arginine. It is a messenger molecule with several functions that include all below except

TLS Online TPP Program

#Question id: 951

#XL - P Chemistry

The changes that occur in cells that lead to its death are called ________.

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#Question id: 953

#XL - P Chemistry

 The degradation of arginine, histidine and proline all lead to the product ________.

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#Question id: 959

#XL - P Chemistry

Phenylalanine hydroxylase requires molecular ________ and tetrahydrobiopterin.

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#Question id: 960

#XL - P Chemistry

Which amino acids are purely ketogenic?

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#Question id: 962

#XL - P Chemistry

The carbon in urea originates from ________.