The ribosome coordinates the correct recognition of the mRNA by each tRNA and catalyzes peptide-bond formation between the growing polypeptide chain and the amino acid attached to the selected tRNA.

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#Id: 6508

#Unit 7. System Physiology – Animal

Tetrahydrobiopterin (BH4) is a cofactor for tyrosine hydroxylase and phenylalanine hydroxylase

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#Id: 853

#Unit 2. Cellular Organization

Phytoplasmas are specialized bacteria that are obligate parasites of the phloem tissue

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#Id: 3171

#Unit 3. Fundamental Processes

The E. coli enzyme acts by antagonizing the replication helicase in a direction a) manner by direct contact between the DnaB helicase and Tus.

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#Id: 9288

#Unit 6. System Physiology – Plant

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#Id: 5874

#Unit 10. Ecological Principles

The greenhouse effect is caused by the insulating effect of atmospheric carbon dioxide.