For each of the following false statements, change the statement to make it true

Question

For each of the following false statements, change the statement to make it true and explain your reasoning.

For each of the following false statements, change the statement to make it true and explain your reasoning. Because membranes have a hydrophobic interior, polar and charged molecules cannot pass through membranes. Part B Proteins typically transmit signals from the outside of the cell to the cytoplasm by flip-flopping from the outer membrane monolayer to the inner monolayer. O-linked and N-linked glycoproteins are formed when sugar chains are attached to the oxygen and nitrogen atoms of the peptide bonds in proteins. Part D You would expect membrane lipids from tropical plants such as palm and coconut to have short-chain fatty acids with multiple C = C double bonds.

Explanation / Answer

The True statements are:

Part-A:

Because membranes have a hydrophobic interior, polar and charged molecules can pass through membranes only with the help of a protein transporter. Thus, the correct option is (B).

Part-B:

Proteins typically transmit signals from the outside of the outside of the cell to the cytoplasm by a change in confirmation induced by a molecule binding to the extracellular portion of the protein. Thus, the correct option is (B).

Part-C:

O-linked and N-linked glycoproteins are formed when sugar chains are attached to the oxygen and nitrogen atoms of the side chains in amino acid residues. Thus, the correct option is (D).

Part-D:

The correct option is (B).  

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