Midterm Prep
Quiz yourself by thinking what should be in
each of the black spaces below before clicking
on it to display the answer.
Help!
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| Atoms | Basic unit of matter
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| Protons, neutrons, and electrons | Subatomic particles that make up atoms
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| Nucleus | Center of the atom
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| Protons | Positively charged atom, in nucleus
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| Neutrons | Neutral charge atom, in nucleus
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| Electrons | Negatively charged atom, not in nucleus
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| Element | Pure substance that consists entirely of one type of atom
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| Isotopes | Elements that are different in neutrons contained
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| Compound | Substance formed by chemical compound of two or more elements
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| Ionic bonds | Formed when one or more electrons are transferred from one to another
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| Covalent bonds | Formed when one or more electrons are shared with one another
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| Ions | Positively and negatively charged atoms
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| Molecule | Smallest unit of most compounds
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| Cohesion | Attraction between molecules of the same substance
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| Adhesion | Attraction between molecules of different substances
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| Polarity | Uneven sharing of electrons in water
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| Mixture | Two or more compounds or elements that are mixed but not chemically combined
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| Solution | Mixture of two or more substances where the molecule are evenly distributed
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| Solute | Substance that is dissolved
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| Solvent | Substance that dissolves the solvent
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| pH scale | Measure of hydrogen ions
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| Acid | Any compound that forms h+ ions in a solutions
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| Base | Compound that has a pH below 7 and have low h+ ions
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| Polymerization | The joining of macromolecules
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| Protein, lipids, nucleic acids, carbohydrates | 4 essential things living things need
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| Carbohydrates | Humans main source of energy and used for structural purposes
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| Monosaccharides | Single sugar molecules, benedict's solution tests this
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| Disaccharides | Double sugar molecules, iodine solution tests this
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| Polysaccharides | Many sugar molecules, biurets solution tests this
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| Lipids | Biomolecule not soluble in water, can be used to store energy, important part of cell membrane, formed when glycerol combines with fatty acids and have lots of fat
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| Proteins | Biomolecule that strengthens bones and tissue, gets its structure from chains of amino acids
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| Enzymes | Protein that speeds up the rate of chemical reactions
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| Valence electrons | Electrons that can form bonds
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| Reactants | Substance that undergoes change during a chemical reaction
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| Products | Substance that is the result of a chemical reaction
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| Species | Organisms that are similar and can reproduce
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| Population | Group of same species that live in the same area
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| Community | Groups of different species that live in an area
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| Ecosystem | All group of species that live in an environment
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| Autotrophs | Organisms that can make their own food through photosynthesis
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| Photosynthesis | When a plant makes their own food through sunlight and convert glucose and oxygen
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| Producers | First level of food chain, make food for first level consumers
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| Consumers | Organisms that rely on other organisms as a food source, also known as heterotrophs
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| Herbivore | Organisms that eat only plants
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| Carnivore | Organisms that eat only animals/meat
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| Omnivore | Organisms that eat animals and plants
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| Decomposers | Organisms that break down dead remains
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| Trophic level | Level on a food chain
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| Food chain | Cycle of what organisms eat
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| Food web | Link of food chains
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| Climate | Temperature and precipitation in a particular region
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| Abiotic factors | A nonliving factor
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| Biotic factors | A living factor
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| Niche | Role an organism plays in its habitat
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| Habitat | Where an organism lives
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| Resource | Any necessity of life
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| Predation | When an organism captures and feeds on another organism
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| Symbiosis | Where two species live closely together
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| Mutualism | Where both species benefit from the relationship
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| Parasitism | When an organism lives on or in an organism and harms it
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| Commensalism | When one organism benefits and the other isn't harmed or benefitted
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| Competition | Two organisms that occupy the same niche fighting for resources
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| Biome | Physical environment that contains climate characteristics and distinct plants and animals
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| Immigration | Movement of individuals into an area
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| Exponential growth | When individuals in a population reproduce at a constant rate
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| Limiting factor | Factor that causes population growth to decrease
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| Cells | Basic unit of lifeforms
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| Cell membrane | Flexible barrier around the cell
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| Cell wall | Strong layer around cell membrane, not in animal cells, provides support and protection for the cell
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| Nucleus | Contains DNA and controls cell activities
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| Cytoplasm | Material inside cell membrane
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| Prokaryotes | These cells have no nucleus, small and simple
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| Eukaryotes | Has a nucleus, has specialized structures that perform cellular functions
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| Organelles | Specialized structures that perform cellular functions
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| Chromatin | Material visible within the nucleus
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| Chromosomes | Condensed chromatin, contains genetics that passes from generation of cells
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| Microtubules | Hollow tubes of proteins
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| Cytoskeleton | Helps the cell keep its shape
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| Nucleolus | Where ribosome assembly begins
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| Nuclear envelope | Allows material to move in and out of the nucleus
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| Ribosomes | Produces proteins that come from the nucleus
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| Endoplasmic reticulum | Where proteins are modified and the cell membrane is assembled
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| Golgi Apparatus | Proteins produced by the rough endoplasmic reticulum move into a stack of membranes
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| Lysosomes | Small organelles filled with enzymes
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| Vacuoles | Where cells store materials in saclike structures
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| Vesicles | Smaller vacuoles, especially those involved in transporting substances within the cell
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| Chloroplasts | Cell that uses sunlight to create food through photosynthesis
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| Mitochondria | Organelles that release energy from stored food molecules
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| Cell Membrane | Regulates what enters and leaves the cell; also provides protection and support
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| Lipid Bilayer | Double-layered sheet that forms the core of nearly all cell membranes
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| Concentration | The mass of solute in a given volume of solution, or mass/volume
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| Diffusion | Process by which molecules move from an area where they are more concentrated to an area where they are less concentrated
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| Selectively Permeable | Some substances can pass through the biological membrane
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| Osmosis | The diffusion of water through a selectively permeable membrane
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| Facilitated Diffusion | Molecules such as glucose that cannot cross the cell membrane's lipid bilayer directly move through protein channels instead
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| Endocytosis | Large amounts of material are transported through movements of the cell membrane
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| Phagocytosis | When large particles are taken directly into the cell by endocytosis
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| Exocytosis | The removal of large amounts of material out of the cell
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Review the information in the table. When you are ready to quiz yourself you can hide individual columns or the entire table. Then you can click on the empty cells to reveal the answer. Try to recall what will be displayed before clicking the empty cell.
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If you know all the data on any row, you can temporarily remove it by tapping the trash can to the right of the row.
To hide a column, click on the column name.
To hide the entire table, click on the "Hide All" button.
You may also shuffle the rows of the table by clicking on the "Shuffle" button.
Or sort by any of the columns using the down arrow next to any column heading.
If you know all the data on any row, you can temporarily remove it by tapping the trash can to the right of the row.
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Created by:
xander.lundblad
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