Class Notes (811,175)
Canada (494,539)
Biology (2,105)
BIO153H5 (191)

Chapter 29 Lecture

3 Pages
Unlock Document

University of Toronto Mississauga
Christoph Richter

Chapter 29 Lecture Protists 1  The last domain  Origins of the nucleus  Where did the mitochondria come from? Forminifera  Term comes from Latin  windows  Refers to multiple small holes that exists in small groups  Sends out appendages for feeding and movement Biology can be Beautiful  Samples of diatoms (organism that build shelves)  Every one of these species have different shapes Protists are at the Base of Aquatic Food Chains  Fruits that uses energy from the sun  primary producers  Increasingly larger organisms  Bacteria is a huge part of the primary producers The Rest of the Course Deals With Eukaryotes  Protists – All e ukaryotes that are not green plants fungi and animals (iclicker)  Protists are a … o Monophyletic group not a monophyletic group because they wouldn’t pass a slip test, there is no single ancestor for protists only o Paraphyletic group  includes ancestors plus other organism  the tree includes all the descends of a common ancestor, and other organism o Polyphyletic group  multi-stem tree We Recognize Eight Major Prokaryote Lineages  Give samples of characteristics that can distinguish the groups Eukaryotes have a Membrane Bound Nucleus  Nuclear envelope originated from fold of the plasma membrane  Ancestor with chromosomes  Plasma membrane folds in  Formation of nuclear envelope  Start with a cell that is structured o DNA wall, cell membrane  Fold comes in from the cell wall  Aggregated around the genetic material (DNA) Nucleus allowed for Innovation in Gene Expression  Archaea and Bacteria: Transcription and translation occur in same area  Eukaryotes: transcription and translation are separated o Different forms of RNA processing o Gene expression could be better controlled  Nuclei in eukaryotes are very diverse Eukaryotes have mitochondria  And other organelles  They are huge about as big as bacteria are o Bigger than other organelles found in eukaryotes  DNA  Mitochondria divide by fission o Ind
More Less

Related notes for BIO153H5

Log In


Don't have an account?

Join OneClass

Access over 10 million pages of study
documents for 1.3 million courses.

Sign up

Join to view


By registering, I agree to the Terms and Privacy Policies
Already have an account?
Just a few more details

So we can recommend you notes for your school.

Reset Password

Please enter below the email address you registered with and we will send you a link to reset your password.

Add your courses

Get notes from the top students in your class.