객관식
Which of the following lists correctly identifies the four nitrogenous bases found in DNA?
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7. DNA and Chromosome Structure
DNA Structure
객관식
What is the term used to describe the overall shape or arrangement of a DNA strand?
A
Double helix
B
Triple helix
C
Beta sheet
D
Alpha helix
검증된 단계별 안내1
Understand that the question is asking for the term that describes the overall shape or arrangement of a DNA strand.
Recall that DNA is composed of two strands twisted around each other, forming a specific three-dimensional structure.
Recognize that the term 'double helix' refers to this structure where two strands wind around a common axis.
Note that 'triple helix' would imply three strands, which is not the typical structure of DNA.
Understand that 'beta sheet' and 'alpha helix' are terms related to protein secondary structures, not DNA.
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