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Life Science Ch.1
FBU Rayhel bio108
| Question | Answer |
|---|---|
| The most general grouping of related kingdoms | Domain |
| Related Kingdoms | Kingdom |
| Related orders | Class |
| Related Families | Order |
| Related genera (plural form of Genus) | Family |
| Related species | Genus |
| Most specific grouping | Species |
| Community interact among themselves and with the physical environment (soil, atmosphere, etc) | Ecosystem |
| Chemicals move from 1 species to another | Chemical Cycling |
| Energy Flows from the sun, through plants, through the food chain. | Energy Flow. |
| In an Atom the inner shells hold how many elections? | 2. |
| The outer shell can hold how many elections? | 8 |
| The number of protons in an atom. | The atomic number |
| The number of protons + neutrons | Atomic Mass |
| Atoms of the same element that have the same atomic number but different number of neutrons | Isotopes |
| Formed by the bonding of 2 or more atoms | Molecule |
| A molecule composed ot atoms of 2 or more different elements | Compound. |
| Electrostatic interaction between a positive ion and a negative ion is called? | Ionic bond |
| Formed by sharing of electrons between atoms. | Covalent bonds |
| What is the universal solvent? | Water |
| Have a sour tast, release hydrogen ions when they dissociate in water. | Acidic |
| Have a bitter taste, feel slimy or slippery to the touch, release hydroxyl ions or take up hydrogen ions | Base |
| small organic molecules, can either exists separately or can be bound together into long chains to form polymers. | Monomers |
| What are carbohydrates, proteins, and lipids examples of? | polymers |
| Ratio of hydrogen atoms to oxygen atoms is 2:1, characteristic atomic grouping of H-C-OH | Carbohydrates. |
| large polymers of monosaccharides | polysaccharides |
| this have a non polar end which attaches to the fat and a polar end that interacts with water molecules so that the droplets can disperse. | Emulsification. |
| Attached phosphate gives 'polarity', has a hydrophilic head and a hydrophobic tail, important components of membranes | Phospholipids |
| 'Skelton' of a 4 carbon ring, cholesterol is an example of this which function is membrane structure and hormone synthesis. | Steroids |
| Composed of amino acids, had a central carbon atoms with a carboxyl group. | Proteins |
| Codes for the order of amino acids needed to make proteins | DNA |
| Function in synthesis of protein | RNA |
| Nucleotides are composed of a pentose sugar, a phosphate, and a nitrogen base. | Polymers of nucleotides. |
| Engery carrier in cells, High energy molecule | ATP |
| What cells lack membrane--enclosed structures. | Prokaryotic cells. |
| what cells possess membrane-enclosed structures | Eukaryotic cells. |
| what are the basic living unit of structure and function in organisms. | Cells |
| Where do all cells come from? | Other cells |
| All cells are surrounded by what? | Cell membrane. |
| What is the material inside the cell called? | cytoplasm |
| What regulates what enters and exits a cell. | The plasma membrane |
| What are the large membranous sacs, most prominent in plants, stores water, pigments and toxins? | Vacuole |
| Membrane bound vesicles containing enzymes, break down molecules producing hydrogen peroxide, immediately broke down into water and oxygen. | Peroxisomes |
| only plants, algae, and cyaobacteria, solar engery is ultimate source of energy for most cells. | Photosynthesis |
| All organisms convert chemical energy into atp, ATP used for all energy-requiring processes in cells. | Cellular respiration |
| Found in all eukaryotic cells, site of cellular respiration, also contains DNA. | Mitochondria |
| Maintain cell shape, assists in movement of cell and organelles, dynamic (assembled and disassembled) Three types of protein components (actin filaments, intermediate Filaments, microtubules) | The cytoskeleton |
| Two actin chains twisted in helix, roles: structural, found in microvilli, formation of pseudopods. | Actin filaments |
| Hollow cylinders made of tublin. Assembly: under control of microtubule organizing center (MTOC), most important MTOC is centrosome. | Microtubles |
| only found in centrosomes of animals, short cylinders with a 9 + 0 pattern of microtubule triplets | Centrioles |
| Hairlike projections that aid in cell movement. | Cili and flagella |
| This regulates the entrance and exit of molecules into and out of the cell. Has a phospholipid bilayer with embedded proteins. | Plasma membrane. |
Created by:
AWherle
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