All of the Following Statements About DNA Structure Are Correct

question 52

Multiple Choice

All of the following statements about DNA structure are correct EXCEPT which one?

• A) Both the B-form and Z-form have anti-parallel DNA strands.
• B) The Z-form has a dinucleotide repeat.
• C) The A-form is the major DNA secondary structure observed in isolated cell nuclei.
• D) DNA secondary structures are stabilized by hydrophobic interactions between the faces of the bases.
• E) There are no exceptions to the Watson-Crick base-pairing rules in undamaged DNA.

Understand the importance of receptor activation and the impact of mutations on signal transduction pathways, including those mediated by oxytocin.

Describe the process of signal amplification in cellular response to external signals.

Outline the role of calcium ion channels in signal transduction pathways.

Recognize the experimental approaches used to study signal transduction, including the investigation of transcription factor activation.

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