ALHS 1011 Chapter 3 Exam #1 Questions with correct
answers
Cell - ✔✔Structural units of all living things
Nucleus - ✔✔Control center of the cell (Brain)
Nucleoli - ✔✔Sites where ribosomes are assembled
Chromatin - ✔✔Structures that carry the hereditary factors. (Makes
chromosomes) DNA
Nuclear Envelope - ✔✔A double membrane barrier around the nucleus. (Skin of
nucleus)
Hydrophilic layer - ✔✔Attracted to water; on the inner and outer part of
membrane
Hydrophobic layer - ✔✔Avoids water; lines up in the center of the membrane
Plasma membrane - ✔✔Cell membrane
Tight junctions - ✔✔Bind cells together into leak proof sheets, prevents
substances from passing through
Desmosomes - ✔✔Prevent stressed cells from being pulled apart
, Gap junctions - ✔✔Allows communication
Mitochondria - ✔✔Rod like cytoplasmic organelles responsible for ATP generation
(Power house)
Ribosomes - ✔✔Proteins are synthesized
Endoplasmic Reticulum - ✔✔Fluid filled in the cytoplasm
Smooth ER - ✔✔Lipid metabolism and detox of drugs / pesticides.
Rough ER - ✔✔Cell membrane factory, transport proteins
Golgi Apparatus - ✔✔Modify and package proteins
Lysosomes - ✔✔Contains strong digestive enzymes that digest unusable
structures
Peroxisomes - ✔✔Detoxify harmful substances
Cytoskeleton - ✔✔Cells framework
Microfilaments - ✔✔Cell motility - produces changes in cell shape
answers
Cell - ✔✔Structural units of all living things
Nucleus - ✔✔Control center of the cell (Brain)
Nucleoli - ✔✔Sites where ribosomes are assembled
Chromatin - ✔✔Structures that carry the hereditary factors. (Makes
chromosomes) DNA
Nuclear Envelope - ✔✔A double membrane barrier around the nucleus. (Skin of
nucleus)
Hydrophilic layer - ✔✔Attracted to water; on the inner and outer part of
membrane
Hydrophobic layer - ✔✔Avoids water; lines up in the center of the membrane
Plasma membrane - ✔✔Cell membrane
Tight junctions - ✔✔Bind cells together into leak proof sheets, prevents
substances from passing through
Desmosomes - ✔✔Prevent stressed cells from being pulled apart
, Gap junctions - ✔✔Allows communication
Mitochondria - ✔✔Rod like cytoplasmic organelles responsible for ATP generation
(Power house)
Ribosomes - ✔✔Proteins are synthesized
Endoplasmic Reticulum - ✔✔Fluid filled in the cytoplasm
Smooth ER - ✔✔Lipid metabolism and detox of drugs / pesticides.
Rough ER - ✔✔Cell membrane factory, transport proteins
Golgi Apparatus - ✔✔Modify and package proteins
Lysosomes - ✔✔Contains strong digestive enzymes that digest unusable
structures
Peroxisomes - ✔✔Detoxify harmful substances
Cytoskeleton - ✔✔Cells framework
Microfilaments - ✔✔Cell motility - produces changes in cell shape
