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BIOL 1103
Kelly's Stack week 1
| Question | Answer |
|---|---|
| Describe the 3 cellular processes involved in the growth of the human body from a fertilized egg to an adult. | (blank) |
| Describe the GOLGI APPARATUS and it's functions. | Stack of flattened membranous sacs. FUNCTION: modify + package proteins made in the ER for export from the cell. (Golgi the garbage packer) |
| Describe the LYSOSOMES and their functions. | Small sacs bound by membrane, contain digestive enzymes. FUNCTION: enzymes inside can digest all organic molecules found in cell, break down bacteria, viruses + toxins brought into cell via phagocytosis, self destrucion (activates autolysis) |
| What is CELL METABOLISM? | Refers to all chemical processes that occur in the cell. Balance of 2 Types: Anabolsim: reactions that result in formation of more complex molecules and structures. CATABOLISM: Breaking down structures to produce building blocks for anabolic reactions. |
| What is an EMERGENT PROPERTY? give an example | A property or function that emerges as a result of interactions between components. Eg: Pieces of a car in a box = nothing..... When put together in a certain way the car moves...movement is emergent property |
| What are the 7 Levels of Organization in the human body? | 1) Atoms 2) Complex biological molecules 3) Cells 4) Tissues 5) Organs 6) Organ Systems 7 Complex Organism |
| What are the 6 Characteristics associated with life/living matter? | 1) Order 2) Energy 3) Synthesize Complex Molecules 4) Repdofuction 5) Response to Environment 6) Adaptation |
| Describe the CELL MEMBRANE and its functions. | Thin, oily skin that surrounds the cell. FUNCTION: Regulate what materials enter and leave the cell. |
| What is an ORGANIC COMPOUND? | Always contains carbon, Often contains Hydrogen (Hydrogen bonds), Always contain covalent bonds (Eg. Carbohydrates, lipids, proteins) |
| What is an INORGANIC COMPOUND? | Simple Structure, lack carbon (eg. water, salts, acids, bases) |
| Describe the ENDOPLASMIC RETICULUM and its functions. | Rough ER: membranes studded with Ribosomes. Transport system: packages proteins for export from cell, produces cell membrane components for use by cell. SMOOTH ER: No ribosomes. Lipid synthesis, metabolism, transport, drug detoxification, |
| Describe the RIBOSOMES and their functions. | Free Ribosomes: Float in Cytoplasm. produce protein used immediately by cell. ATTACHED RIBOSOMES: Attached to membranes of rough ER: produce proteins placed in cell membranes or exported from cell. |
| Describe the MITOCHONDRIA and its function. | Bean - Shaped Structures. FUNCTION: Sites of cellular respiration, breaks down glucose and produces adenosine triphosphate (ATP) for cells to use as an energy source. |
| What are the 4 MOST COMMON elements found in the human body? | Carbon, Oxygen, Hydrogen, Nitrogen |
| What is an IONIC bond? | When one atom gains electrons and another loses electrons in outer valence shells so that both elements become more stable. |
| What is a COVALENT bond? | When Atoms share electrons (neither loses or gains). The outer shells of both atoms achieve their stable number of electrons. (Eg. Water... H2O) |
Created by:
kellychristie
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