Biol 1201 Exam 1 (gregg) questions with
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answers
plasma membrane - CORRECT ANSWERS ✔✔The
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membrane at the boundary of every cell that acts as a
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selective barrier, thereby regulating the cell's chemical
|\ |\ |\ |\ |\ |\ |\
composition.
Ribosomes - CORRECT ANSWERS ✔✔complexes that
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make proteins; free in cytosol or bound to rough ER or
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nuclear envelope |\
Golgi apparatus - CORRECT ANSWERS ✔✔active in
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synthesis, modification, sorting, and secretion of cell
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products
Lysosome - CORRECT ANSWERS ✔✔digestive organelle
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where macromolecules are hydrolyzed, and autophagy
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Mitachondrion - CORRECT ANSWERS ✔✔organelle where |\ |\ |\ |\ |\ |\
cellular respiration occurs and most ATP is generated
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Cytoskeleton - CORRECT ANSWERS ✔✔reinforces cell's |\ |\ |\ |\ |\ |\
shape; functions in cell movement; components are made
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, of protein. Includes: Microfilaments, Intermediate
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filaments, Microtubules. |\
Endoplasmic Reticulum - CORRECT ANSWERS ✔✔network |\ |\ |\ |\ |\ |\
of membranous sacs and tubes; active in membrane
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synthesis and other synthetic and metabolic processes;
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has rough (ribosome-studded) and smooth regions
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Rough ER - CORRECT ANSWERS ✔✔protein synthesis
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Smooth ER - CORRECT ANSWERS ✔✔lipid synthesis
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calcium ion storage |\ |\
poison detoxification |\
Nucleolus - CORRECT ANSWERS ✔✔nonmembranous
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structure involved in production of ribosomes; a nucleus
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has one or more nucleoli
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Chromatin - CORRECT ANSWERS ✔✔material consisting of
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DNA and proteins; visible in a dividing cell as individual
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condensed chromosomes |\
cell wall - CORRECT ANSWERS ✔✔outer layer that
|\ |\ |\ |\ |\ |\ |\ |\
maintains cell's shape and protects cell from mechanical
|\ |\ |\ |\ |\ |\ |\ |\
, damage; made of cellulose, other polysaccharides, and
|\ |\ |\ |\ |\ |\ |\
protein
Chloroplast - CORRECT ANSWERS ✔✔photosynthetic |\ |\ |\ |\ |\
organelle; converts energy of sunlight to chemical energy
|\ |\ |\ |\ |\ |\ |\
stored in sugar molecules
|\ |\ |\ |\
central vacuole - CORRECT ANSWERS ✔✔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. - CORRECT ANSWERS ✔✔2
|\ |\ |\ |\ |\
Which of these relationships is true of an uncharged
|\ |\ |\ |\ |\ |\ |\ |\ |\
atom? - CORRECT ANSWERS ✔✔The number of protons is
|\ |\ |\ |\ |\ |\ |\ |\ |\
equal to the number of electrons
|\ |\ |\ |\ |\
What determines the types of chemical reactions that an
|\ |\ |\ |\ |\ |\ |\ |\ |\
atom participates in? - CORRECT ANSWERS ✔✔the
|\ |\ |\ |\ |\ |\ |\
number of electrons in the outermost electron shell
|\ |\ |\ |\ |\ |\ |\
|\ |\ |\ |\ |\ |\ |\
answers
plasma membrane - CORRECT ANSWERS ✔✔The
|\ |\ |\ |\ |\ |\
membrane at the boundary of every cell that acts as a
|\ |\ |\ |\ |\ |\ |\ |\ |\ |\ |\
selective barrier, thereby regulating the cell's chemical
|\ |\ |\ |\ |\ |\ |\
composition.
Ribosomes - CORRECT ANSWERS ✔✔complexes that
|\ |\ |\ |\ |\ |\
make proteins; free in cytosol or bound to rough ER or
|\ |\ |\ |\ |\ |\ |\ |\ |\ |\ |\
nuclear envelope |\
Golgi apparatus - CORRECT ANSWERS ✔✔active in
|\ |\ |\ |\ |\ |\ |\
synthesis, modification, sorting, and secretion of cell
|\ |\ |\ |\ |\ |\ |\
products
Lysosome - CORRECT ANSWERS ✔✔digestive organelle
|\ |\ |\ |\ |\ |\
where macromolecules are hydrolyzed, and autophagy
|\ |\ |\ |\ |\
Mitachondrion - CORRECT ANSWERS ✔✔organelle where |\ |\ |\ |\ |\ |\
cellular respiration occurs and most ATP is generated
|\ |\ |\ |\ |\ |\ |\
Cytoskeleton - CORRECT ANSWERS ✔✔reinforces cell's |\ |\ |\ |\ |\ |\
shape; functions in cell movement; components are made
|\ |\ |\ |\ |\ |\ |\
, of protein. Includes: Microfilaments, Intermediate
|\ |\ |\ |\ |\ |\
filaments, Microtubules. |\
Endoplasmic Reticulum - CORRECT ANSWERS ✔✔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 - CORRECT ANSWERS ✔✔protein synthesis
|\ |\ |\ |\ |\ |\
Smooth ER - CORRECT ANSWERS ✔✔lipid synthesis
|\ |\ |\ |\ |\ |\
calcium ion storage |\ |\
poison detoxification |\
Nucleolus - CORRECT ANSWERS ✔✔nonmembranous
|\ |\ |\ |\ |\
structure involved in production of ribosomes; a nucleus
|\ |\ |\ |\ |\ |\ |\ |\
has one or more nucleoli
|\ |\ |\ |\
Chromatin - CORRECT ANSWERS ✔✔material consisting of
|\ |\ |\ |\ |\ |\
DNA and proteins; visible in a dividing cell as individual
|\ |\ |\ |\ |\ |\ |\ |\ |\ |\ |\
condensed chromosomes |\
cell wall - CORRECT ANSWERS ✔✔outer layer that
|\ |\ |\ |\ |\ |\ |\ |\
maintains cell's shape and protects cell from mechanical
|\ |\ |\ |\ |\ |\ |\ |\
, damage; made of cellulose, other polysaccharides, and
|\ |\ |\ |\ |\ |\ |\
protein
Chloroplast - CORRECT ANSWERS ✔✔photosynthetic |\ |\ |\ |\ |\
organelle; converts energy of sunlight to chemical energy
|\ |\ |\ |\ |\ |\ |\
stored in sugar molecules
|\ |\ |\ |\
central vacuole - CORRECT ANSWERS ✔✔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. - CORRECT ANSWERS ✔✔2
|\ |\ |\ |\ |\
Which of these relationships is true of an uncharged
|\ |\ |\ |\ |\ |\ |\ |\ |\
atom? - CORRECT ANSWERS ✔✔The number of protons is
|\ |\ |\ |\ |\ |\ |\ |\ |\
equal to the number of electrons
|\ |\ |\ |\ |\
What determines the types of chemical reactions that an
|\ |\ |\ |\ |\ |\ |\ |\ |\
atom participates in? - CORRECT ANSWERS ✔✔the
|\ |\ |\ |\ |\ |\ |\
number of electrons in the outermost electron shell
|\ |\ |\ |\ |\ |\ |\
