Term
| Cell membrane component responsible for fluidity |
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Definition
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Term
| Membrane component for anchoring cells |
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Definition
| Desmosomes and hemidesmosomes |
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Term
| Impermeable barrier between cells |
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Definition
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Term
| Gap junctions are formed with this type of subunit |
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Definition
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Term
| Cellular activity occurring during G1 and S |
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Definition
| Protein synthesis and chromosomal duplication |
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Term
| Cellular activity occurring during G2 and M |
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Definition
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Term
Which cell cycle phase determines cell cycle length?
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Definition
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Term
| Growth factors affect cell during which phase in cell cycle? |
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Definition
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Term
| G0 is known as what part of cycle? |
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Definition
| quiescent phase (cells can go to G0 from G1) |
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Term
| Mechanism of action of steroids at cellular level? |
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Definition
| Bind receptor in cytoplasm, THEN enters nucleus and acts as transcription factor |
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Term
| Mechanism of action of THYROID hormone? |
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Definition
| Binds receptor IN NUCLEUS, then acts as transcription factor |
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Term
| 1 Glucose molecule generates what during glycolysis? |
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Definition
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Term
| Pyruvate is used as fuel for what? |
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Definition
| Krebs cycle (inner mitochondrial membrane) |
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Term
| 1 molecule of glucose in the Krebs cycle produces how much ATP? |
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Definition
*36 ATP!!!
(Absite Killer says 38, which is not technically wrong, but most sources say 36. Technically, it is variable, and anywhere between 30 and 39 ATP are produced. If asked, go with 36)
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Term
| Lactic acid is converted to glucose for energy production in what cycle? |
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Definition
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Term
| Why can fats and lipids not be used for gluconeogenesis? |
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Definition
Acetyl CoA (breakdown product) cannot be converted to pyruvate for the Krebs cycle
*Review--2 pyruvate produced in glycolysis. Pyruvate used in Cori cycle and Krebs cycle (to produce 36 ATP)* |
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Term
| Function of Rough Endoplasmic Reticulum (RER)? |
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Definition
| synthesis of exportable proteins |
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Term
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Definition
| lipid/steroid synthesis, drug detox |
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Term
| Protein Kinase C activated by? |
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Definition
| Calcium and DAG (diacylglycerol) |
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Term
| Protein Kinase A activated by? |
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Definition
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Term
| Cilia, neuronal axons, mitotic spindles made of? |
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Definition
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Term
| What is the rate limiting step in cholesterol formation? |
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Definition
HMG CoA-Reductase
(from Absite killer) |
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