The synthesis of phosphatidylcholine has alternate pathways. In mammals, for example, phosphatidylcholine (PC) can be synthesized by two pathways: a pathway that begins with choline and a pathway that includes phosphatidylethanolamine.

True or false?

true

Explanation:

CHOLINE

predominates pathways in mammalianpathway involves 1,2 -diacylglycerolpathway requires phosphorylation by CTP

PHOSPHATIDYLETHANOLAMINE

possible pathway in mamalian liverpathway requires S-sdenosylmethionine as the source of methyl groups.pathway rinvolves a series of methylations.

It forms into a full nebula/star

Ben should classify a mango tree as an autotroph because it makes its own food with photosynthesis. he should classify algae as a heterotroph because it relies on other living things to get food.