Biology 1002B Lecture Notes - Lecture 1: Cell Membrane, Multicellular Organism, Channelrhodopsin
2 Mar 2015
School
Department
Course
Professor
Document Summary
A single cell (unicellular) organism that uses light for two things: energy source (chloroplast to make energy - atp), and for information (trap light and acquire energy about your surroundings - like our eyes). Land plants and green algae like chlamy had a common ancestor about a billion years ago. Chlamy has eukaryotic flagella (same flagella and cilia that humans have). Chlamy shares traits with both plants and animals. Two mating types: plus (+) and minus (-) Zygote goes through meiosis, it gives spores (not gametes). Because they have flagella and can move around, we call them zoospores. Spores can give rise to gametes by mitosis of two different mating types (+ and -), who can then fertilize and make a zygote again. Most of the research is done on the haploid phase of chlamy because why? (answer) what are the advantages for a biologist to work with a haploid vs using humans who are diploid.
