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Honores Biology Semester A Examination
Cells in living things
29
Biology
10th Grade
01/08/2015

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Term
anaphase
Definition
the third phase of mitosis during which the chromosome pairs separate and move toward opposed poles
Term
asexual reproduction
Definition
process by which a single parent reproduces by itself
Term
binary fission
Definition
type of asexual reproduction in which an organism replicates its DNA and divides in half, producing two identical daughter cells
Term
budding
Definition
asexual process by which yeasts increase in number; process of attaching a bud to a plant to produce a new branch
Term
cell
Definition
collection of living matter enclosed by a barrier that separates the cell from its surroundings'; basic unit of all forms of life
Term
cell membrane
Definition
thin, flexible barrier around a cell; regulates what enters and leaves the cell
Term
cellulose
Definition
Term
cell wall
Definition
strong supporting layer around the cell membrane in plants, algae, and some bacteria
Term
chloroplast
Definition
organelle found in cells of plants and other photosynthetic organisms; captures light energy
Term
cytoplasm
Definition
material inside the cell membrane - not including the nucleus
Term
diffusion
Definition
process by which molecules tend to move from an area where they are more concentrated to an area where that are less concentrated
Term
eukaryotic
Definition
organism whose cells contain nuclei
Term
excrete
Definition
to take out, to remove
Term
flagellum
Definition
Term
homeostasis
Definition
process by which organisms maintain a relatively stable internal environment
Term
metaphase
Definition
second phase of mitosis, during which the chromosomes line up across the center of the cell
Term
mitochondrion
Definition
cell organelle that converts the chemical energy stored in food into compounds that are more convenient for the cell to use
Term
mitosis
Definition
part of eukaryotic cell division during which the cell nucleus divides
Term
molecular transport
Definition
Term
nucleus
Definition
the center of the atom which contains the protons and neutrons; in cells, structure that contains the cell's genetic material )DNA) and controls the cell's activities
Term
oar
Definition
a paddle for a boat
Term
organelle
Definition
specialized structure that performs important cellular functions within a eukaryotic cell
Term
osmosis
Definition
diffusion of water through a selectively permeable membrane
Term
permeable
Definition
allows to pass through, or out
Term
photosynthesis
Definition
plants and other photosynthetic organisms harvest solar (radiant) energy and use it to combine molecules of CO2 to make complex compounds
Term
prokaryotic
Definition
organisms whose cells lack a nucleus
Term
prophase
Definition
first of four parts of mitosis
nuclear membrane disappears and double stranded chromosomes become visible
Term
reproduction
Definition
the production of offspring by a sexual or asexual process.
Term
telophase
Definition
last of the four step process in mitosis. chromosomes uncoil and become chromatin. Nucleus membrane forms around each new nucleus
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