Some proteins contain additional amino acids that arise by modification of an amino acid already present in a peptide, examples include

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#Question id: 3554

#Unit 8. Inheritance Biology

The diploid cell with 6 pairs of chromosomes can divide. How many possible different combinations of maternal and paternal chromosomes in metaphase?

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#Question id: 14515

#Unit 13. Methods in Biology

Two cards are drawn at random from a pack of 52 cards. The probability that one may be a jack and other an Ace is

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#Question id: 32230

#Unit 2. Cellular Organization

A preparation of nerve terminals, which undergo extensive endocytosis, was lysed by treatment with distilled water and incubated with GTP-γ-S, a nonhydrolyzable derivative of GTP. What would be the outcome?

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#Question id: 12004

#Unit 10. Ecological Principles

The figure above shows the distribution of 10 plant species that grow along a regular environmental gradient, such as depth of the water table in a river valley. All other environmental factors are similar. This figure demonstrates that

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#Question id: 24326

#Unit 4. Cell Communication and Cell Signaling

______dependent cadherin- mediated adhesion also plays an important role in tight-junction formation, stability, and function.