34010371
Description
Flashcards by Sara Aragona, updated more than 1 year ago
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Created by Sara Aragona
over 2 years ago
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| Question | Answer |
| Cellular structures include | specialization different gene expression >turn genes on/off differs between eukaryotes and prokaryotes >bacterium structure differs |
| describe bacterium structure | >cell membrane >SEPEPHBI >cell wall >ribosomes >plasmids >flagella(locomotion) >nucleoid |
| main differences between pro and eukaryotes | >small vs 10x the size >single circular chromosome vs multiple, linear >nucleoid vs nucleus >no organelles vs organelles >flagella move in an orbit vs undulating |
| how does surface area affect the volume, and the diffusive properties of a cell | small cells have a better chance to diffuse properly. the larger the volume, the larger the surface area More volume than the surface area can handle causes cell death. |
| what is the function of chromosomes? where are they located? | gene carrying/single double-stranded DNA; proteins, histones |
| ribosomes | protein synthesis sites; two subunits, large/small; ribosomal RNA/protein |
| cytoskeleton | shape, locomotion, transport, support |
| microfilaments include | actin(protein) intermediate filaments microtubules nucleus >largest organelle >genetic info >nucleolus in prokaryotes carries out ribosome assemblage |
| vacuoles store | H2O Ions |
| A molecule composed of nucleotides that is active in the synthesis of proteins | ribonucleic acid(RNA) |
| RNA's function | ferrying the DNA-encoded instructions to the sites in the cell where proteins are put together; helps make ribosomes |
| LDL vs HDL | Low vs high density lipoprotein |
| cilia | extensions of specialized nerve cells |
| membrane-lined compartment that encloses the primary complement of DNA in eukaryotic cells | nucelus |
| need oxygen to exist | aerobic |
| 5 major structures within a eukaryotic cell | Nucleus Organelles outside the nucleus cytosol cytoskeleton plasma membrane |
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