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TLS Online TPP Program

#Question id: 137

Disulfide bridges can form in proteins ________.

#Section 2: General Biology

  1. only between cysteine residues side-by-side in the protein sequence

  2. between cysteine residues that are close in three-dimensional space, but not necessarily close in the primary structure

  3. between two cystine residues in proteins

  4. between any two methionines or cysteines

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TLS Online TPP Program

#Question id: 2112

#Section 3: Genetics, Cellular and Molecular Biology

According to the fluid mosaic model, a membrane:
TLS Online TPP Program

#Question id: 2112

#Section 2: General Biology

According to the fluid mosaic model, a membrane:
TLS Online TPP Program

#Question id: 2113

#Section 3: Genetics, Cellular and Molecular Biology

Why are lipids and proteins free to move laterally in membranes?
TLS Online TPP Program

#Question id: 2113

#Section 2: General Biology

Why are lipids and proteins free to move laterally in membranes?
TLS Online TPP Program

#Question id: 2115

#Section 2: General Biology

Which of the following statements about diffusion is true?
TLS Online TPP Program

#Question id: 2116

#Section 2: General Biology

When a cell is in equilibrium with its environment, which of the following processes occurs for substances that can diffuse through the plasma membrane?