Questions and Answers 100% Solved
what are the four essential concepts in physiology? - ✔✔1. principle of
complementary- Form determines function
2. Physiology uses gradients- physiology depends on gradients
3. regulate protein function by regulating its shape- adding something to a
protein by regulating its shape
4. negative feedback regulation is essential to homeostasis
what are the three components of the cell theory? - ✔✔1. cell is the basic
structural and functional unit of living organisms
2.Principle of complementary: specific subcellular structures dictate
biochemical activities
3. Continuity of life has a cellular basis
what does organism activity depend on? - ✔✔1. on individual and collective
activities of cells
2. structure/function relationship and the "generic cell"
what three parts do Eukaryotas share? - ✔✔1. nucleus
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, 2. cytoplasm
3. plasma membrane
what is the function of the nucleus? - ✔✔controls cellular activities and lies
near the cell's center
what is the function of the cytoplasm? - ✔✔the intracellular fluid that is
packed with organelles, small
structures that perform specific functions.
what is the function of the plasma membrane? - ✔✔a fragile barrier, is the
outer boundary of the cell
what is cytosol? - ✔✔jelly like fluid in plasma membrane
What are the cytoskeletal proteins? - ✔✔microtubules, intermediate
filament, microfilament
What are centrioles? - ✔✔organizing the mitotic spindle in cell division
what does the nucleus do? - ✔✔contains nucleolus, RNA
what does the nucleolus do? - ✔✔make RNA
what is chromatin? - ✔✔DNA is loose form
what is the function of ribosomes? - ✔✔produce proteins, read mRNA
what is the function of smooth ER? - ✔✔1. lipid metabolism
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