Cell Ultrastructure
single celled organisms that lack a nucleus
what is a prokaryote?
What are the two components that make up a phospholipids?
What is (polar) head and (non-polar) tail?
Semi permeable and selective.
What is the plasma membrane?
The supposed production of living organisms from nonliving matter, as inferred from the apparent appearance of life in some supposedly sterile environments.
What is spontaneous cell generation?
The longest phase of the cell cycle.
What is interphase?
sorts, stores, modifies, and exports secretory products
what is the golgi apparatus?
Official name for Singer-Nicolson model.
What is the fluid Mosaic model?
Involves movement against a concentration gradient and uses ATP energy.
What is active transport?
What is endosymbiosis?
Non-proliferative quiescent stage sometimes occurring before G1
What is G0?
Has 80S ribosomes
What is a eukaryote?
Fundamental component of animal cell membranes and is not present in plant cell membranes.
What is cholesterol?
Can store and transport materials within the cell in order to release substances from the cell of capture them from outside the cell.
What are vesticles?
Proved that abiogenesis no longer occurs.
What is Louis Pasteur's experiment?
Stage during interphase in which DNA replication occurs.
What is S stage?
Responsible for aerobic respiration
What are mitochondria?
Whose model for the membrane structure have proteins as a distinct outer layer?
What is the Davson-Danielli model?
No overall net water movement across the cell memebrane.
What is isotonic?
Experiment replicated the conditions of a pre-biotic Earth in order to synthesize organic molecules
What is the Miller-Urey experiment?
A family of regulatory proteins that control cell cycle progression.
What are cyclins?
How bacterial cells divide
What is binary fission?
What does J.E.T. R.A.T. stand for?
What is Junctions, Enzymes, Transport, Recognition, Anchorage and Transduction?
A molecule exiting is coupled to another molecule moving along the electrochemical gradient (e.g. sodium-potassium pump)
What is indirect active transport?
Abbreviation for mitochondria and chloroplast arose via endosymbiosis.
What is M.A.D. D.R.?
Involves tissue repair, organisms, growth, asexual reproduction, and development of embryos.
What is mitosis?