Term
| What is the study of life? |
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Definition
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Term
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Definition
| the maintenance of a stable level of internal conditions when environmental conditions are constantly changing |
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Term
| What are the smallest functioning units of life? |
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Definition
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Term
| What are the characteristics of life? |
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Definition
| organization and cells, response to stimuli, homeostasis, metabolism, growth and development, reproduction, and change through time |
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Term
| A microscope has an objective lens of 10x and an ocular lens of 20x. What is the magnification of the microscope? |
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Definition
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Term
| What are the steps of the scientific method and what generally happens during each step? |
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Definition
1. observation- perceiving a natural occurrence to pose a question
2. hypothesis- tries to answer the question
3. prediction- forecasts what would happen if the hypothesis were true
4. experiment- tests hypothesis and prediction
5. analysis- determines whether the data is reliable
6. conclusion- decides whether or not the hypothesis is supported |
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Term
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Definition
| the material that contains the information that determines inherited characteristics |
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Term
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Definition
| proposed explanation for the way a particular aspect of the natural world functions |
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Term
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Definition
| when a set of related hypotheses is confirmed to be true many times and it can explain a great amount of data |
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Term
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Definition
| statement that forecasts what would happen in a test situation if the hypothesis were true |
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Term
| What element do all organic molecules contain? |
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Definition
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Term
| What are the four macromolecules of life? |
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Definition
| carbohydrates, lipids, proteins, and nucleic acids |
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Term
| What are the monomers that make up each of the four macromolecules? |
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Definition
carbohydrates - monosaccharide
proteins - amino acids
lipids - fatty acids
nucleic acids - nucleotides |
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Term
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Definition
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Term
| How do animals store glucose? |
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Definition
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Term
| What are polysaccahrides? |
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Definition
| three or more monosaccharaides |
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Term
| What are the two types of nucleic acids? |
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Definition
| deoxyribonucleic acid (DNA) and ribonucleic acid (RNA) |
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Term
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Definition
| proteins or RNA that are biological catalysts |
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Term
| The smallest unit of life in living things is ____. |
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Definition
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Term
| What type of cell did Robert Hooke study? |
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Definition
| the bark of a cork oak tree |
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Term
| Study your notes on prokaryotes and eukaryotes. |
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Definition
Prokaryotes - lack a membrane-bound nucleus and membrane-bound organelles
eukaryotes - made up of one or more cells that have a nucleus and membrane-bound organelles |
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Term
| What is an example of a prokaryotic cell? |
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Definition
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Term
| What is another name for the cell membrane? |
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Definition
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Term
| What did Hooke contribute to the cell theory? |
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Definition
| discovered cells by looking at cork cells through a microscope |
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Term
| What did Schwann contribute to the cell theory? |
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Definition
| concluded that animals were composed of cells |
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Term
| What did Schleiden contribute to the cell theory? |
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Definition
| concluded that plants were composed of cells |
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Term
| What did Virchow contribute to the cell theory? |
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Definition
| noted that all cells come from other cells |
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Term
| What are the three parts of the cell theory? |
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Definition
| all living organisms are composed of one or more cells, cells are the basic units of structure and function in an organism, and cells come from the reproduction of existing cells |
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Term
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Definition
| well-defined, intracellular bodies that perform specific functions for the cell |
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Term
| Study your cells parts: location and function. |
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Definition
| e.g. plasma membrane, nucleus, mitochondria, ribosomes, ER, golgi apparatus, vesicles, cytoskeleton, cilia, flagella, microfilaments, chromosomes, nuclear envelope, nucleolus, lysosomes, microtubules, centrioles, cell wall, central vacuole, plastids, chloroplasts |
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Term
| What's the order of organization in living things? |
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Definition
| cell --> tissue --> organs --> organ system |
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Term
| How does the concentration of substances flow as a result of diffusion? |
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Definition
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Term
| Ink spreading out in water is an example of? |
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Definition
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Term
| Ridding the cell of material happens at the surface of a cell by? |
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Definition
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Term
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Definition
| process by which cells ingest external fluid, macromolecules, and large particles |
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Term
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Definition
| process by which a substance is released from the cell through a vesicle that transports the substance to the cell surface and then fuses with the membrane to let the substance out of the cell |
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Term
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Definition
| process by which water molecules diffuse across a cell membrane from an area of higher concentration to an area of lower concentration (doesn't require cells to use energy) |
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Term
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Definition
| movement of molecules from an area of higher concentration to an area of lower concentration |
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Term
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Definition
| identical halves of the chromosome (the legs of the chromosome) |
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Term
| What is the point at which the two chromatids of a chromosome are attached? |
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Definition
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Term
| How many chromosomes do humans have? |
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Definition
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Term
| How many chromosomes does a human egg cell have? |
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Definition
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Term
| If the haploid number was 8, what would the diploid number be? |
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Definition
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Term
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Definition
| cell division that forms two new nuclei that have the same number of chromosomes |
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Term
| What is the stage a cell spends most of its life in? |
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Definition
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Term
| What is crossing-over and when does it happen? |
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Definition
| when portions of chromatids break off and attach to adjacent chromatids on the homologous chromosome; it happens in Prophase I |
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