Topic 2: Cells and the Organization of Life
Does the Rough ER have attached ribosomes?
Yes
What is the first level of the organization of life?
Atomic level
Example of prokaryotes are
Bacteria
What are ribosomes?
Minute particle that is attached to ER or occurs loose in the cytoplasm and is the site of protein synthesis
Does the Smooth ER have attached ribosomes?
No
What do eukaryotic cells posess?
Nucleus and organelles
Examples of organelles are
Nucleus, mitochondria, ER , endomitochondria
What is the nucleus?
A distinctive organelle consusting of a membrane envolope in which the chromosomes reside
What do prokaryotic cells lack?
A nucleus and organelles
What structures do plant cells have that animal cells lack?
Cell wall, chloroplast
What is the plasma membrane?
Membrane surrounding the cytoplasm that consists of the phospholipid bilayer with embedded proteins
What is the vacule?
Membranous cavity, usually filled with fluid
What is the mitochondria?
Membranous organelle in which aerobic cellular respiration occurs
What is the chloroplast?
Membranous organelle that contains chlorophyll and is the site of photosynthesis
What is the endoplasmic reticulum?
Membranous system of tubules, vesicles, and sacs in cells sometimes having ribosomes attached
What is the last level of the organization of life?
Organism level
What is the Calvin cycle part of?
Photosynthesis
What is the light dependent reaction part of ?
Photosynthesis
What is the cell wall?
Protective barrier outside the plasma membrane of plant and certain other cells
What is the ribosome the site of?
Protein synthesis
What is an organelle?
Specific structure within a cell
What is the Golgi apparatus?
Stacked set of membranes that modifies, packages and transports proteins
What does aerobic cellular respiration produce?
The energy carrier ATP
What does the plasma membrane regulate?
The entrance and exit of molecules from cell
What is the powerhouse of the cell?
The mitochondria
