Which of the Following Is NOT an Example of a Hydrogen

question 67

Multiple Choice

Which of the following is NOT an example of a hydrogen bond?

• A) the bonds formed between H₂O molecules
• B) the peptide bonds between amino acids
• C) the bonds formed between base pairs of DNA and RNA nucleotides
• D) the bonds formed along the polypeptide backbone of a protein to form its secondary structure, the alpha helixes and beta pleated sheets.

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Definitions:

Presynaptic Terminal

The end point of a neuron that communicates with another neuron or muscle cell across a synapse, releasing neurotransmitters to transmit nerve impulses.

Sarcolemma

The thin, plasma membrane surrounding a muscle fiber, crucial for muscle contraction and interaction.

Myosin Myofilaments

Thick filaments in muscle cells composed of the protein myosin, playing a central role in muscle contraction by interacting with actin filaments.

A Bands

The dark-staining regions of a sarcomere, found in striated muscle fibers, where thick and thin filaments overlap.