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ajh science test 10

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
Created by: marcrobertdillon