Term
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Definition
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Term
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Definition
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Term
| What kinda of fluid does cytoplasm contain |
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Definition
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Term
| The membrane protects the cell, both by _________ it and ________________it. |
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Definition
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Term
| controls uptake of ions and molecules, it can engulf particals (_____________) excrete waste product particles (______________) |
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Definition
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Term
| What does the phospolipid bilayer contain? |
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Definition
| MEMBRANE PROTEINS and MEMBRANE CARBOHYDRATES |
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Term
| tails face ____________ and heads form the _______ and the _________ of the bilayer |
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Definition
| eachother, inside, outside |
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Term
| Some of them have __________ connecting the ______________ space to the cytosol |
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Definition
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Term
| The complex nature of the membrane allows ___________ and __________to pass(both ways) across the membrane through a series of _____________ processes |
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Definition
| molecules, ions, selective |
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Term
| What is intracellular fluid known as? |
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Definition
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Term
| what does cytosol contain? |
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Definition
| metabolites, nutrients, ions, waste products and a high concentration of potassium. Also glycogen granules and fat droplets |
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Term
| What does the nucleus contain? |
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Definition
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Term
| what is it delineated by? |
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Definition
| Nuclear membrane or envelope |
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Term
| a double layer of the cell membrane and seperates the cytoplasm from the_____? |
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Definition
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Term
| what does the nuclear envelope contain |
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Definition
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Term
| Nuclear pores facilitate movement of _____ and _______ molecules |
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Definition
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Term
| What does the Nucleolus produce and what does that do? |
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Definition
| RNA, and therefore prominent in protein producing cells (e.g. muscles and liver cells) |
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Term
| What are the two main parts of the cytoskeleton? |
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Definition
Microfilaments-actin (+myosin = contractions)
microtubules- tubulin |
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Term
| What are microfilaments made of? |
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Definition
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Term
| what can the microfilaments form? |
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Definition
| a network through out the cytoplasm |
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Term
| What is Myosin capable of? |
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Definition
| contractions and changing the shape of the cell |
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Term
| What are microtubules composed of? |
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Definition
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Term
| What are Surface projections? |
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Definition
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Term
| What is the skeleton on microvilli? |
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Definition
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Term
| What is the function of microvilli? |
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Definition
| increase surface area of the cell to facilitate absorption |
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Term
| What is the skeleton of cilia made up of? |
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Definition
| internal skeleton made of microtubules |
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Term
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Definition
| used to move fluids, cells, foreign objects along the surface |
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Term
| what are ribosomes composed of? |
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Definition
| RNA (ribosomal RNA) and protein |
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Term
| What do fixed ribosomes create? |
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Definition
| the organelle called the rough endoplasmic reticulum (R.E.R) |
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Term
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Definition
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Term
| What is the endoplasmic reticulum? |
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Definition
| It is a complex of flat intracellular spaces enclosed by membrane |
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Term
| What is the function of the rough endoplasmic reticulum? |
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Definition
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Term
| Where do you find the rough endoplasmic reticulum cells? |
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Definition
| Exocrine pancreas and Nerve cells |
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Term
| what does the rough endoplasmic reticulum communicate with? |
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Definition
| Golgi apparatus via small membrane enclosed spheres called Vesicles |
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Term
| Smooth endoplasmic Reticulum has no _______ and makes __________, ____________and __________ hormones |
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Definition
| ribosomes, lipids, carbohydrates and steroid |
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Term
| it is found in great quantifies in the __________ cells of the _________ and _________ cortex |
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Definition
| leydig cells, Testies, Adrenal cortex |
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Term
| ____________ ____________ works as an intermediary between R.E.R and the cell membane |
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Definition
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Term
| what does the golgi apparatus consist of? |
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Definition
| a series of bowl-shaped membrane discs, concave towards the cell surface |
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Term
| what do Lysosomes contain? |
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Definition
| they contain digestive enzymes |
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Term
| Secretory vesicles __________ packaged materials to the cell membrane through which the product is released by _________________. |
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Definition
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