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Cell Bio Chap 1
Fundamental of Life
| Question | Answer |
|---|---|
| What is small, membrane-enclosed units filled with concentrated aqueous solution of chemicals? | Cells |
| Cells can very in what? | Form and function |
| What makes self-replication possible with the relationships between DNA and RNA? | Central Dogma |
| DNA encodes information which directs the assembly of proteins? | Self-replicating behavior |
| What is the process by which living species become gradua;;y modified and adapted to their environment in more and more sophisticated ways? | Evolution |
| What is an entire sequence of nucleotides in a n organism's DNA? | Genome |
| What controls the production of protein? | Gene Expression |
| Who examined a piece of cork and reported a mass of minuscule chambers? | Robert Hooke |
| Who discovered pond water contained tiny creatures which were previously unseen? | Antonie Van Leeuwenhoek |
| What microscope is used to scan the surface of cells? | Scanning electron microscopy |
| What microscope is used to view ultrastructure of the cells? | Transmission electron microscopy |
| What uses electron beams as the source of illumination? | Electron Microscopy |
| What microscopes uses fluorescent probes? | Fluorescence Microscopy |
| What uses visible light to illuminate specimens and has different optics? | Light microscopes |
| What magnifies up to 1000x, resolves details as small as 200nm, samples can be alive or dead, and condensers focuses light onto the specimen? | Light microscopes |
| What do you call chemically fixed specimen that can be stained to reveal different components of the cells? | Fixed Samples |
| What microscope requires fluorescent probes, binds to specific molecules or can be coupled to an antibody? | Fluorescence Microscopes |
| What microscope has the magnification of 1,00,000x, resolution up to 1nm, can not image live specimens? | Electron Microscopes |
| What model is rod shaped bacterium, grows rapidly and easy in a lab, is utilized to study gene expression? | Escherichia Coli |
| What model is a simple Eukaryote, single celled fungus, utilized to study cell division? | Saccharomyces Cerevisiae |
| What model is a small weed, grows indoors, flowering plant, reproduces quick, genes have counterpart in AG species? | Arabidopsis Thaliana |
| What model is utilized for study of animal genetics, provided proof genes are carried on chromosomes, information in DNA directs development of fertilized egg, mutants helped identify genes needed for proper development of body plans? | Drosophila Melanogaster |
| What model is a nematodes, clockwork development from fertilized egg to adult, 70% of human genes have counterparts in the worm, apoptosis- programmed cell death? | Caenorhabditis elegans |
| What model is a vertebrate development studies, transparent for first 2 weeks of life, observe how cells behave during development? | Zebrafish |
| What model is a mammalian genetics, cell biology, development an dimmunology, mutations at specific genes or insertions or artificially constructed genes, important contribution in understanding human health and diseases? | Mouse Models |
| What has human cells in vitro, individual cells are harvested and grown in cultures, certain embryo cells can diff. into multiple cell types? | Cell culture |
Created by:
baileebrous
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