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Home Q & A Board Biology-Related Homework Help General Biology
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rickyfa18 rickyfa18
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6 years ago
The cell walls of plant cells and prokaryotic cells are structurally identical.
 
  a. true
  b. false

Question 2

Describe how the discovery of the structure of DNA is an example of the fact that science is a process that always builds on previous work. Text Section LO2 Key Concept: Watson and Crick, process of science, DNA structure Level: Application of concepts (maybe some advanced critical thinking)
 
  What will be an ideal response?
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wrote...
#1
6 years ago
Answer to q. 1

b

Answer to q. 2

Responses should include the following: (a). The fact that DNA is linear, that DNA is a chain of nucleotides, and that there are four types of nucleotides which are identical except for the bases was known from published experiments. (b). Chargraff contributed that the bases A & T and G & C are always found in equal amounts respectively. (c) Franklin contributed good images of DNA using X-ray diffraction that showed the arrangement of the molecules. (d). Watson and Crick came up with the double-helix structure.
rickyfa18 Author
wrote...
#2
6 years ago
Thank you for being such a great website leader! All of your answers were right.
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