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NAS 2 CHALLENGE EXAM TCC
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NAS 2 CHALLENGE EXAM TCC
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NAS 2 CHALLENGE EXAM TCCNucleus - Answers -brain of the cell, directs cell activity and contains chromosomes
made of DNA
Endoplasmic Reticulum - Answers -"intracellular highway", transports items around the
cell, creates lipids of fat
Lysosome - Answers -An organelle containing digestive enzymes
Cytoplasm - Answers -A jellylike fluid inside the cell in which the organelles are
suspended
golgi apparatus - Answers -A system of membranes that modifies and packages
proteins for export by the cell
ribosomes - Answers -site of protein synthesis
stages of the cell cycle - Answers -G1 (Growth)
S (DNA Synthesis
G2 (Growth + mitosis prep)
M (Mitosis - Cell division)
mitosis - Answers -2 daughter cells each having same amount + kind of chromosomes
as parent nucleus
chromatin - Answers -chromosomes of organisms other than bacteria are made of this
centrioles - Answers -involved in organization of mitotic spindle and completion of
cytokinesis
mitotic spindle - Answers -segregates chromosomes to two daughter cells during
mitosis
cleavage furrow - Answers -the indentation of the cell's surface that begins the
progression of cleavage, by which animal and some algal cells undergo cytokinesis, the
final splitting of the membrane, in the process of cell division.
cytokinesis - Answers -cytoplasmic divison of a cell at the end of mitosis
gene - Answers -A sequence of nucleotides composing a segment of DNA that provides
a blueprint for a specific hereditary trait.
DNA - Answers -A complex molecule containing the genetic information that makes up
the chromosomes.
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