Class Notes (891,300)
US (345,491)
UNL (1,764)
LIFE (82)
LIFE 121 (20)
Lecture 14

LIFE 121 Lecture 14: Exam 2: Eukaryotes

7 Pages

Life Sciences
Course Code
LIFE 121
Roberto Cortinas

This preview shows pages 1 and half of page 2. Sign up to view the full 7 pages of the document.
Page: of

Loved by over 2.2 million students

Over 90% improved by at least one letter grade.

Leah — University of Toronto

OneClass has been such a huge help in my studies at UofT especially since I am a transfer student. OneClass is the study buddy I never had before and definitely gives me the extra push to get from a B to an A!

Leah — University of Toronto
Saarim — University of Michigan

Balancing social life With academics can be difficult, that is why I'm so glad that OneClass is out there where I can find the top notes for all of my classes. Now I can be the all-star student I want to be.

Saarim — University of Michigan
Jenna — University of Wisconsin

As a college student living on a college budget, I love how easy it is to earn gift cards just by submitting my notes.

Jenna — University of Wisconsin
Anne — University of California

OneClass has allowed me to catch up with my most difficult course! #lifesaver

Anne — University of California
Eukaryotes Organelles o membraneenclosed structures with specialized functions Only present in eukaryotic cells o Golgi apparatus Synthesis and secretion of cell products o Endoplasmic reticulum Membrane synthesis, metabolism o Mitochondrion Cellular respiration, ATP production o Chloroplast Photosynthetic organelle Endosymbiont Theory o Endosymbiont Cell that lives within another cell o Engulfed cell formed mutualism o Merged into a single organism o In eukaryotes, energy metabolism is largely the product of endosymbiosis Aerobic respiration: alphaprotobacterium > mitochondria Oxygenic photosynthesis: cyanobacterium > chloroplast Evidence for the Endosymbiotic theory o Biochemistry Inner membranes have enzymes and transport systems homologous to prokaryote membranes o Membranes Organelles bounded by single membrane Mitochondria and chloroplasts have two membranes o Circular DNA and ribosomes o Grow and independently divide via binary fission within cell o Molecular phylogeny alphaprotobacterium > mitochondria Cyanobacterium > chloroplast All eukaryotes have mitochondria or modified versions All mitochondria descended from a sing ancestor, as did plastids Protists o Small, mostly unicellular eukaryotes o Used to be grouped in the Kingdom Protista Molecular evidence demonstrates it is a polyphyletic group
More Less
Unlock Document
Subscribers Only

Only pages 1 and half of page 2 are available for preview. Some parts have been intentionally blurred.

Unlock Document
Subscribers Only
You're Reading a Preview

Unlock to view full version

Unlock Document
Subscribers Only

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.