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TLS Online TPP Program

#Id: 10009

Secretion requires the addition of cholesterol and palmitic acid to the Hedgehog protein

#Unit 4. Cell Communication and Cell Signaling #Hedgehog Signaling #Part B Pointers

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#Id: 6508

#Unit 7. System Physiology – Animal

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

#Id: 3241

#Unit 3. Fundamental Processes

Chemical mutagens can be divided into two groups:

those that are mutagenic to both replicating and nonreplicating DNA, such as the alkylating agents and nitrous acid; and

those that are mutagenic only to replicating DNA, such as base analogs— purines and pyrimidines with structures similar to the normal bases in DNA.

#Id: 5746

#Unit 10. Ecological Principles

#Id: 4512

#Unit 13. Methods in Biology

#Id: 8382

#Unit 2. Cellular Organization