Exam (elaborations)
NAS 2 CHALLENGE TCC TEST
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NAS 2 CHALLENGE TCC TEST...
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NAS 2 CHALLENGE TCC TESTThe nucleus is the brain of the cell, directing cell activity and containing
DNA-based chromosomes
Endoplasmic Reticulum - ANSWER "intracellular highway"; carries objects around
the cell; produces fat lipids.
Lysosome - ANSWER An organelle with digesting enzymes.
Cytoplasm - Answer A jelly-like fluid within the cell in which the organelles are
suspended.
Golgi apparatus - ANSWER A membrane-based mechanism that changes and
bundles proteins for cell export.
ribosomes - the site of protein synthesis.
ANSWER for mitochondria The powerhouse of the cell is the organelle that
produces ATP (energy).
ANSWER 1: Keep hazardous things out of the cell.
2) has receptors that enable chemicals to move across organelles.
3) distinguish important and incompatible metabolic processes in organelles.
concentration gradient is the differential in the concentration of a material from one
site to another.
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