lecture_3 - R r R r R r R r R r R r R r The"Gurdon...

Info iconThis preview shows pages 1–17. Sign up to view the full content.

View Full Document Right Arrow Icon
Background image of page 1

Info iconThis preview has intentionally blurred sections. Sign up to view the full version.

View Full Document Right Arrow Icon
Background image of page 2
Background image of page 3

Info iconThis preview has intentionally blurred sections. Sign up to view the full version.

View Full Document Right Arrow Icon
Background image of page 4
R r R r R r R r R r R r R r
Background image of page 5

Info iconThis preview has intentionally blurred sections. Sign up to view the full version.

View Full Document Right Arrow Icon
The “Gurdon” experiment : Does every cell in an organism contain all the genetic information to make a complete individual?
Background image of page 6
Unfertilized egg Ultraviolet radiation of egg to destroy nucleus Enucleated egg Host egg
Background image of page 7

Info iconThis preview has intentionally blurred sections. Sign up to view the full version.

View Full Document Right Arrow Icon
Host egg Donor nucleus
Background image of page 8
Host egg Donor nucleus
Background image of page 9

Info iconThis preview has intentionally blurred sections. Sign up to view the full version.

View Full Document Right Arrow Icon
How is genetic information copied every time a cell divides? The two strands separate and each strand is used as a template for the synthesis of a new strand.
Background image of page 10
How is genetic information copied every time a cell divides? DNA polymerase is the enzyme (protein) that carries out DNA replication.
Background image of page 11

Info iconThis preview has intentionally blurred sections. Sign up to view the full version.

View Full Document Right Arrow Icon
Bacteria have about 5 million basepairs of DNA. Bacteria can divide every 20 minutes. DNA polymerase replicates bacterial DNA at a rate of 4200 basepairs/second.
Background image of page 12
What is a gene? Genes are the basic units of inheritance. Genes are information to make proteins. one gene one protein
Background image of page 13

Info iconThis preview has intentionally blurred sections. Sign up to view the full version.

View Full Document Right Arrow Icon
Most higher organisms have 15,000 - 35,000 different genes These organisms have the information (DNA) to make 15,000 - 35,000 different proteins
Background image of page 14
How is genetic information stored in DNA? As a sequence of bases (ATGCATTCGCAATT…)
Background image of page 15

Info iconThis preview has intentionally blurred sections. Sign up to view the full version.

View Full Document Right Arrow Icon
the sequence of amino acids in a protein.
Background image of page 16
Image of page 17
This is the end of the preview. Sign up to access the rest of the document.

{[ snackBarMessage ]}

Page1 / 43

lecture_3 - R r R r R r R r R r R r R r The"Gurdon...

This preview shows document pages 1 - 17. Sign up to view the full document.

View Full Document Right Arrow Icon
Ask a homework question - tutors are online