Biology 12

Chapter 7 Nucleic Acids: The Molecular Basis of Life • MHR 221 not widely accepted. Many scientists who had accepted Levene’s th ...

222 MHR • Unit 3 Molecular Genetics then uses a tail-like projection to inject its genetic material into the bacterial cell. The ...

Chapter 7 Nucleic Acids: The Molecular Basis of Life • MHR 223 found to be radioactive while the fluid containing the separated ...

7.2 The Structure of Nucleic Acids 224 MHR • Unit 3 Molecular Genetics By the late 1940s, it was known that DNA was made up of a ...

G G G G G A A A A A A A A C C C C C T T T T T T T T 3.4 nm 0.34 nm 1 nm sugar-phosphate “handrails” phosphate bridge OH hydrogen ...

226 MHR • Unit 3 Molecular Genetics individual strand, how the two strands are bound together in the double helix, and how the m ...

THINKING LAB DNA Deductions Background Erwin Chargaff discovered that although the nucleotide composition of DNA varies from one ...

228 MHR • Unit 3 Molecular Genetics RNA Along with DNA, RNA is the other main nucleic acid. Both DNA and RNA are found in most b ...

Chapter 7 Nucleic Acids: The Molecular Basis of Life • MHR 229 Genetic Material in Prokaryotes Most prokaryotes have a single, d ...

DNA double helix histone molecules H1 molecules 2 nm 11 nm nucleosome 30 nm supporting protein structure 300 nm protein folding ...

Chapter 7 Nucleic Acids: The Molecular Basis of Life • MHR 231 SECTION REVIEW Describe the observations made by Franklin that p ...

7.3 DNA Replication 232 MHR • Unit 3 Molecular Genetics The eight cells in the human blastula shown in Figure 7.20 arose from th ...

Chapter 7 Nucleic Acids: The Molecular Basis of Life • MHR 233 daughter DNA molecules were each made up of one parental strand a ...

234 MHR • Unit 3 Molecular Genetics nitrogen. The colony of bacteria was then transferred to a new medium containing regular nit ...

Chapter 7 Nucleic Acids: The Molecular Basis of Life • MHR 235 Figure 7.24 shows the pattern of replication along a linear stran ...

236 MHR • Unit 3 Molecular Genetics nucleotides only to the free 3 ′hydroxyl end of a pre-existing chain of nucleotides. This im ...

Chapter 7 Nucleic Acids: The Molecular Basis of Life • MHR 237 to replace the excised RNA nucleotides with DNA nucleotides. Fina ...

SKILL FOCUS Performing and recording Analyzing and interpreting Conducting research Investigation 7•A 238 MHR • Unit 3 Molecular ...

Chapter 7 Nucleic Acids: The Molecular Basis of Life • MHR 239 2.Use the materials available to construct a short strand of DNA. ...

240 MHR • Unit 3 Molecular Genetics SECTION REVIEW Differentiate between conservative, semi- conservative, and dispersive theor ...