Term
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Definition
| takes chemical energy from food, produces the ATP molecule |
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Term
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Definition
| cell's control center, largest organelle |
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Term
*nucleosomes-DNA coiled around histones
*chromatin-loosely coiled DNA (cells not dividing)
*chromosomes-tightly coiled DNA (cells dividing) |
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Definition
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Term
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Definition
| DNA instructions for ONE protein |
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Term
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Definition
| a membrane that restricts movement |
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Term
-diffusion (passive)
-carrier-mediated transport (passive or active)
-vesicular transport (active) |
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Definition
| 3 categories of transport |
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Term
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Definition
| diffusion of water across cell membrane |
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Term
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Definition
| 2 substances move in the same direction at the same time |
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Term
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Definition
| 1 substance moves in, while other moves out |
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Term
| receptor mediated endocytosis |
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Definition
| receptors (glycoproteins), bind target molecules (ligands). coated vesicle (endosome) carries ligands and receptors to cell |
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Term
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Definition
| endosomes "drink" extracellular fluid |
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Term
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Definition
| engulf large objects in phagosomes |
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Term
-DNA replication-duplicates genetic material exactly
-mitosis-divides genetic material equally
-cytokinesis-divides cytoplasm and organelles into 2 daughter cells |
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Definition
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Term
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Definition
| duplication of chromosomes. distribution of duplicated chromosomes into two daughter cells. somatic cell nuclear division |
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Term
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Definition
| tightly coiled DNA (cells not dividing) |
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Term
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Definition
| loosey coiled DNA (cells not dividing), two sides of chromosome |
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Term
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Definition
| middle attatchment of chromosome |
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Term
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Definition
| upper arm, each chromosome has 2, smallest arm. |
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Term
q arm
*q=next letter after p |
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Definition
| lower arm, each chromosome has 2 |
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Term
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Definition
| occurs by contriction of actin fibers forming a belt around cell in animcal cells |
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