BIO 1201 GREGG EXAM 2 ACTUAL
QUESTIONS AND ANSWERS COMPLETE
SOLUTION GRADED A+
⩥ Ribosomes.
Answer: complexes that make proteins; free in cytosol or bound to rough
ER or nuclear envelope
⩥ Golgi apparatus.
Answer: active in synthesis, modification, sorting, and secretion of cell
products
⩥ Lysosome.
Answer: digestive organelle where macromolecules are hydrolyzed, and
autophagy
⩥ Mitachondrion.
Answer: organelle where cellular respiration occurs and most ATP is
generated
⩥ Cytoskeleton.
,Answer: reinforces cell's shape; functions in cell movement; components
are made of protein. Includes: Microfilaments, Intermediate filaments,
Microtubules.
⩥ Endoplasmic Reticulum.
Answer: network of membranous sacs and tubes; active in membrane
synthesis and other synthetic and metabolic processes; has rough
(ribosome-studded) and smooth regions
⩥ Rough ER.
Answer: protein synthesis
⩥ Smooth ER.
Answer: lipid synthesis
calcium ion storage
poison detoxification
⩥ Nucleolus.
Answer: nonmembranous structure involved in production of ribosomes;
a nucleus has one or more nucleoli
⩥ Chromatin.
Answer: material consisting of DNA and proteins; visible in a dividing
cell as individual condensed chromosomes
, ⩥ cell wall.
Answer: outer layer that maintains cell's shape and protects cell from
mechanical damage; made of cellulose, other polysaccharides, and
protein
⩥ Chloroplast.
Answer: photosynthetic organelle; converts energy of sunlight to
chemical energy stored in sugar molecules
⩥ central vacuole.
Answer: prominent organelle in older plant cells; storage, breakdown of
waste products, hydrolysis of macromolecules; enlargement of vacuole
major mechanism of plant growth.
⩥ Part complete
The innermost electron shell of an atom can hold up to _____ electrons..
Answer: 2
⩥ Which of these relationships is true of an uncharged atom?.
Answer: The number of protons is equal to the number of electrons
⩥ What determines the types of chemical reactions that an atom
participates in?.
QUESTIONS AND ANSWERS COMPLETE
SOLUTION GRADED A+
⩥ Ribosomes.
Answer: complexes that make proteins; free in cytosol or bound to rough
ER or nuclear envelope
⩥ Golgi apparatus.
Answer: active in synthesis, modification, sorting, and secretion of cell
products
⩥ Lysosome.
Answer: digestive organelle where macromolecules are hydrolyzed, and
autophagy
⩥ Mitachondrion.
Answer: organelle where cellular respiration occurs and most ATP is
generated
⩥ Cytoskeleton.
,Answer: reinforces cell's shape; functions in cell movement; components
are made of protein. Includes: Microfilaments, Intermediate filaments,
Microtubules.
⩥ Endoplasmic Reticulum.
Answer: network of membranous sacs and tubes; active in membrane
synthesis and other synthetic and metabolic processes; has rough
(ribosome-studded) and smooth regions
⩥ Rough ER.
Answer: protein synthesis
⩥ Smooth ER.
Answer: lipid synthesis
calcium ion storage
poison detoxification
⩥ Nucleolus.
Answer: nonmembranous structure involved in production of ribosomes;
a nucleus has one or more nucleoli
⩥ Chromatin.
Answer: material consisting of DNA and proteins; visible in a dividing
cell as individual condensed chromosomes
, ⩥ cell wall.
Answer: outer layer that maintains cell's shape and protects cell from
mechanical damage; made of cellulose, other polysaccharides, and
protein
⩥ Chloroplast.
Answer: photosynthetic organelle; converts energy of sunlight to
chemical energy stored in sugar molecules
⩥ central vacuole.
Answer: prominent organelle in older plant cells; storage, breakdown of
waste products, hydrolysis of macromolecules; enlargement of vacuole
major mechanism of plant growth.
⩥ Part complete
The innermost electron shell of an atom can hold up to _____ electrons..
Answer: 2
⩥ Which of these relationships is true of an uncharged atom?.
Answer: The number of protons is equal to the number of electrons
⩥ What determines the types of chemical reactions that an atom
participates in?.
