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TLS Online TPP Program

#Question id: 2189

Which of the following is not true of membrane phosphoglycerides?

#Unit 2. Cellular Organization

  1. They include phosphatidylcholine, phosphatidylethanolamine and cholesterol, among others.

  2. They are amphipathic.

  3. They have two fatty acids attached to a glycerol molecule, and a polar head group attached via a phosphate.

  4. They can have both saturated and unsaturated fatty acids.

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TLS Online TPP Program

#Question id: 276

#Unit 1. Molecules and their Interaction Relevant to Biology

The packaging of DNA in cells results in about a ________-fold reduction in length compared to the fully extended DNA (fully stretched out).
TLS Online TPP Program

#Question id: 28329

#Unit 5. Developmental Biology

Hypoblast formation in birds and mammals is done by a process which involving the splitting of cellular sheet into two more or less parallel sheets, this process is known as___
TLS Online TPP Program

#Question id: 183

#Unit 1. Molecules and their Interaction Relevant to Biology

At pH 7.0, converting a glutamic acid to gamma-carboxyglutamate, will have what effect on the overall charge of the protein containing it?
TLS Online TPP Program

#Question id: 28359

#Unit 5. Developmental Biology

 if the Vasa is mutant that gives the mutant phenotype except_____
TLS Online TPP Program

#Question id: 5019

#Unit 11. Evolution and Behavior

A major evolutionary episode that corresponds in time most closely with the formation of Pangaea was the