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24 Cards in this Set
- Front
- Back
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Nucleus |
Controls and directs all cell activities |
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Cytoskeleton |
supportive framework of protein rods and tubules that allow the cell to keep its shape |
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Nuclear envelope |
Double bi-layered membrane containing the nucleoplasm |
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Chromatin |
Thin, threadlike material that contains genetic instructions |
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Nuclear pores |
Allow substances to enter and exit the nucleus
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Chromatin |
Thin, threadlike material that contains genetic instructions |
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Nucleolus |
Produces ribosomes that leave through nuclear pores and go into the cytoplasm
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Ribosomes |
Protein synthesis |
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Transcription |
The making of RNA to DNA |
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Translation |
The building of proteins from RNA |
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Endoplasmic Reticulum |
Lipid and protein synthesis, modification, and transport |
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Golgi Apparatus or Body |
refining, packaging, and secreting proteins from the Endoplasmic Reticulum |
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Lysosomes |
Breakdown proteins, carbohydrates, nucleic acids, and foreign particles |
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Peroxisomes |
play a role in the synthesis of bile salts for fat digestion, detoxifies alcohol, and breaks down rare biochemicals |
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Mitochondria |
Cellular respiration releases the energy from glucose to other substances |
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Microfilaments |
cellular movement in cilia and flagella and help muscle cells shorten and contract |
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Microtubules |
Maintains shape and strength of cell |
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Centrosome |
Move to opposite sides of nucleus during cell division and help distribute chromosomes into daughter cells |
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Flagella |
propels sperm |
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RNA Polymerase |
the enzyme that adds nucleotides to the unwound portion of DNA |
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Peroxidase |
Promotes metabolic reactions that give rise to hydrogen peroxide which is toxic to cells |
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Catalase |
decomposes the hydrogen peroxide |
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Cristae |
inner membrane with fold to increase surface area responsible for ATP |
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Matrix |
space between two membranes, packed with proteins and needed substances |
