Important notes/words from Examkracker's Biology Lecture 4
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| What do secretory vesicles contain? | show 🗑
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| show | They are cells that contain predominately fat droplets
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| What are adipocytes important for? | show 🗑
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| What are the roles of smooth ER? | show 🗑
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| show | Self-replicating vesicles in the cytosol that grow by incorporating lipids/proteins from cytosol
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| What is the role of peroxisomes? | show 🗑
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| show | The major portion of flagella and cilia containing 9 pairs of microtubules circling 2 lone microtubules
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| show | A protein that forms cross bridges of microtubules
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| show | 1. Contracting force in muscles
2. Cytoplasmic streaming
3. Phagocytosis
4. Microvillli movement
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| What are tight junctions? | show 🗑
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| show | Junctions that join two cells at a single point and attach directly to cytoskeleton and found in cells that experience a lot of stress
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| show | 1. Provide structural support
2. Determine cell shape and motility
3. Affect cell growth
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| show | 1. glycoaminoglycans and proteoglycans
2. structural proteins
3. adhesive proteins
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| show | The endocrine system gorverns these
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| show | The nervous system governs these
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| show | It is rapid, direct amd specific
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| show | It is slower, spread throughout the body and affect many cells/tissues in different ways
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| What compromises the nervous system? | show 🗑
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| How can action potentials differ? | show 🗑
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| show | 1. Enzyme
2. Absorbed by presynaptic vell
3. Diffuse out of synaptic cleft
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| show | Glial cells that phagocytize microbes/debris in CNS
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| show | Glial cells that are epithelial cells that line the space containing cerebrospinal fluid
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| What are satellite cells? | show 🗑
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| show | Star-shaped shaped glial neuroglia om CNS that support neurons and help maintain mineral and nutrient balance
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| What is saltatory conduction? | show 🗑
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| show | Neurons that receive signals from a receptor cell that interacts w/environment (located dorsally)
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| What are interneurons? | show 🗑
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| What are motor (efferent) neurons? | show 🗑
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| What does the CNS consist of? | show 🗑
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| show | This system integrates signals from sensory and motor neurons
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| What is the somatic nervous system? | show 🗑
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| show | Smooth muscle, cardiac muscle and glands
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| show | "fight or flight" response
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| show | "rest and digest" response
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| What does the lower brain consist of? | show 🗑
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| What is the role of the lower brain? | show 🗑
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| show | The cerebrum/cerebral cortez
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| show | To store memories and process thoughts
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