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ajh science test 10
| Question | Answer |
|---|---|
| what is an outer cover of a cell? | cell membrane |
| what is the gelatinlike substance in a cell called? | cytoplasm |
| the same size and shape of a cell is related to its what? | function or job |
| what are the two types of cells? | prokaryotic and eukaryotic |
| what kind of cell that lacks membrane-bound internal structres? | prokaryotic |
| what kind of cell contains membrane-bound internal structures? | eukaryotic |
| what grows, changes shape, and protects the cell of plants, algae, fungi, and most bacteria? | cell wall |
| what is a protective layer around all cells? | cell membrane |
| for cells that have a cell wall what is inside the cell wall? | cell membrane |
| what allows food and oxygen into the cell amd waste producst out of the cell? | cell membrane |
| what is a scaffolding-like structure in cytoplasm which products out ogf the cell? | cytoskeleton |
| in the cytoplasm, eukaryotic cells have what which helps cells keep its shape? | organelles |
| what is a green organelle in a plant cell that males food? | chloroplast |
| oranelles that release energy from food are called what? | mitachondria |
| what makes protein for ca cells activity? | ribosomes |
| what is a series of smooth or rough membranes that move materials around in a cell? | endoplasmic reticulum or E.R. |
| what moves substances out of a cell or to other parts of a cell? | glogi bodies |
| what is a membrane-bound temporary storage spaces? | vacuoles |
| what breaks down food molecules and cell wastes? | lysosomes |
| what is a group of similar cells working together onone job? | tissues |
| different types of tissues working together make up what? | organs |
| a group o forgans working together make up what? | organ system |
| what is the cell system? | cells-tissues-organs-organ system-organisms |
| lenses made images become more what but not always clear? | larger |
| modern microscopes use lenses to bend what? | light |
| what kind of microscope has on lense? | simple microscope |
| what kind of microscope has multiple lenses? | compound microscope |
| what kind of microscope has two eyepeices, and creates a 3D image? | stereomicroscope |
| powers of the eyepeice multiplied by objective lenses determine total what? | magnification |
| what is the most powerful microscope? | electron microscope |
| uses a what in a vaccum to bend electronic beams? | magnetic fields |
| what must be photographed or produced electronically? | images |
| the what is resulted from many scientists' observations and conclusions? | cell theory |
| the basic unit of an organism is a what? | cell |
| all what are composed of one or more cells? | organisms |
| new cells come from old cells through cell what? | division |
| what is a nonliving strand of hereditary material surrounded by a protein coating? | virus |
| viruses can make copies of themselves only inside a living what? | host cell |
| what can make the host cell create new viruses, which kills the host cell? | active viruses |
| what hides in the host cell without destroying it? | latent virus |
| virus hereditary material becomes part of the what hereditary material? | host cell |
| latent viruses can become what and then destroy the host cell? | active |
| most viruses only infect certain kinds of what? | cells |
| virues are often carried to the host cell trough what? | air |
| the what and the host cell must fit together exactly to begin a virul infection? | virus |
| what attachs to bacteris adn injects their hereditary material? | bacteriophages |
| what weakenes virus particals which allows the host to fight some diseases? | vaccines |
| what are not effective treatments for viral infections? | antibodies |