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TLS Online TPP Program

#Question id: 2120

Which one of the following statements about membranes is true?

#Unit 2. Cellular Organization

  1. Most plasma membranes contain more than 70% proteins.

  2. Sterol lipids are common in bacterial plasma membranes.

  3. Sterol lipids are common in human cell plasma membranes.

  4. The plasma membranes of all cell types within a particular organism have basically the same lipid and protein composition.

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TLS Online TPP Program

#Question id: 15769

#Unit 5. Developmental Biology

A stem cell capable of producing all the cells of the embryo is said to be
TLS Online TPP Program

#Question id: 8699

#Unit 9. Diversity of Life Forms

Use the figure to answer the following question.

If the figure is an accurate depiction of relatedness, then which of the following should be an accurate statement?
TLS Online TPP Program

#Question id: 12547

#Unit 10. Ecological Principles

Use the survivorship curves in Figure to answer the following questions

Which curve best describes survivorship in humans who live in developed nations?
TLS Online TPP Program

#Question id: 19003

#Unit 13. Methods in Biology

In Thin layer chromatography, the stationary phase is made of and the mobile phase is made of
TLS Online TPP Program

#Question id: 2817

#Unit 2. Cellular Organization

Which of the following are not found in DNA-binding proteins?