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DNA: Discovery, Facts, Structure & Function in Heredity

Instructions:

Choose an answer and hit 'next'. You will receive your score and answers at the end.

question 1 of 3

Which of the following scientists are credited with discovering the structure of DNA?

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1.

The following concepts led to the hypothesis that DNA has a double helix structure:

I. The ratio of A:T is 1:1.

II. Deoxyribose is the sugar in DNA.

III. DNA strands are antiparallel

2. DNA consists of four different nitrogenous bases, which are:

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About This Quiz & Worksheet

Looking at that curiously twisting staircase in our cells, this quiz and corresponding worksheet will help you gauge your knowledge of the structure of the double helix. Essential topics to understand for the quiz include the scientists who discovered the structure of DNA and the concepts that led to the double helix hypothesis.

Quiz & Worksheet Goals

These tools will help you review:

  • Who discovered DNA's structure
  • The concepts that led to the double helix hypothesis
  • DNA's bases
  • What DNA stands for

Skills Practiced

  • Reading comprehension - ensure that you draw the most important information about what DNA stands for from the related structure of the double helix lesson
  • Interpreting information - verify you can read information regarding what led scientists to hypothesize that DNA's structure was a double helix and interpret it correctly
  • Information recall- access the knowledge you've gained regarding DNA's bases

Additional Learning

Using the lesson titled DNA: Double Helix Structure and Hereditary Molecule will help you learn more about this topic. The objectives that are a part of this lesson are:

  • Define what DNA is
  • Identify the functions of the DNA molecule
  • Appreciate how the backbone of DNA is erected
  • Describe the orientation of each strand
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