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Swords Mid-Term
| Question | Answer |
|---|---|
| Organism | form of life ; plant or animal |
| Cytoplasm | gel like substance between the cell membrane. |
| 8 characteristics of living things | 1. Made of cells 2. Adapt and Respond to environment 3. Homeostasis or Internal Balance 4. Based on genetic code- DNA or RNA 5. Evolution- all organisms evolve over time6. Consume energy 7. All organisms reproduce 8. All organisms grow and develop |
| cellular resperation | a process by which cells harvest the energy stored in food. |
| Osmosis | the tendency of a fluid, usually water, to pass through a semipermeable membrane into a solution where the solvent concentration is higher |
| passive transport | moving biochemicals and other atomic or molecular substances across membranes. |
| Facilitated diffusion | a type of passive transport that allows substances to cross membranes with the assistance of special transport proteins. |
| active transport | is the movement of a substance against its concentration gradient |
| endocytosis | is a process by which cells absorb molecules |
| mitosis | is the process by which a eukaryotic cell separates the chromosomes in its cell nucleus into two identical sets |
| sister chromatids | two identical copies of a chromatid connected by a centromere |
| ATP | adenosine triphosphate. It is a nucleotide that occurs in muscle tissue, and it is used as an energy source for cellular reactions. |
| organ system | is a group of organs working together to perform a vital body function. |
| ADP | adenosine diphosphate, a nucleotide essential in photosynthesis and glycolysis. |
| rDNA | DNA sequences that result from the use of laboratory methods (molecular cloning) to bring together genetic material from multiple sources |
| steps of mitosis | Interphase, Prophase, Metaphase, Anaphase, Telophase, and cytokinasis. |
| transcription | the process of creating a complementary RNA copy of a sequence of DNA |
| incomplete dominance | a type of inheritance in which one allele for a specific trait is not completely dominant over the other allele. |