anatomy and physiology test 1 review chapter 3 Flashcards
What is the function of centrioles
Spindle apparatus and chromosome migration during mitosis
When does crenation occur in blood cells
Net( loss of water)
When does hemolysis occur in blood cells.
(Net water gain)
If trna has an ACG anticodon it could attach an________mRNA codon.
The movement of molecules (driven by kinetic energy) down a concentration gradient. High to low concentration.
Know the functions of the plasma membrane
Cell to cell interaction and recognition, enclosure for cellular contents including organelles and inclusions, selectively permeable...
Define and describe the generation of a membrane potential across the cell membrane
NaK pump producing the negative 90 millivolts across the plasma membrane
No energy input
Solute pumping , depends on a carrier protein and energy
How are most larger molecule transported across the cell membrane in body cells?
Through active transfer
What properties attribute to the high specific heat and high surface tension of water?
The main component of cytosol
Interpret mRNA and transfer RNA transcription events
Transcription occurs in the nucleus. Translation occurs in the cytoplasm
Intracellular signals which connect plasma membrane events to the internal metabolic machinery of the cell. Cyclic amp and ionic calcium
Lysosomes are organelles responsible for________
What is the endomembrane system
Interactive organelles whose membranes are physically or functionally connected including the nuclear membrane, Golgi apparatus, endoplasmic reticulum, and plasma membrane
What is the function of mitochondria