BIOL 3100 Final exam with correct answers

BIOL 3100 Final exam with correct |\ |\ |\ |\ |\ |\




answers

List three distinct features of plants cells (vs. animal cells)
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and describe one important functional role that each
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feature plays in the cell. - CORRECT ANSWERS ✔✔1.
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Large vacouole - stores primary metabolites
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2. plastids - sites of photosynthesis
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3. cell wall - provides size, shape & structures
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The genome of a plant cell is contained ________
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a. mitochondria
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b. chloroplast
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c. golgi |\ |\




d. nucleus|\




e. both nucleus and golgi
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f. both nucleus and mitochondria
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h. both chloroplasts and mitochondria
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I. Both chloroplasts and mitochondria
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J. the nucleus, chloroplasts and mitochondria
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k. The chloroplast, peroxisome, and mitchondria
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,L. The nucleus, chloroplasts, peroxisome, and
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mitochondria. - CORRECT ANSWERS ✔✔the nucleus, |\ |\ |\ |\ |\ |\



chloroplasts and mitochondria |\ |\




Name two types of plastids other than a chloroplast -
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CORRECT ANSWERS ✔✔chromoplast & Leuceoplast
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Once a plastid has differentiated or become a particular
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type, can it ever change to become a different type
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plastid? (Y/N) - CORRECT ANSWERS ✔✔YES
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Name a function of the plasma membrane? - CORRECT
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ANSWERS ✔✔movement of substance in & out the of
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protoplast


Name a component of a plant cell wall? - CORRECT
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ANSWERS ✔✔Cellulose myrofibrils |\ |\




Name the structures/parts pointed to by arrows on the
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figure below. - CORRECT ANSWERS ✔✔1. plasma
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membrane
2. cell wall
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3. middle lamela
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4. plasmodesmata
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,There are two major processes that occur during cell
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division, often in an overlapping manner as a cell divides
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into two new daughter cells. There are cytoplasmic
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division or ______________ and nuclear division or
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____________. - CORRECT ANSWERS ✔✔cytokinesis ; |\ |\ |\ |\ |\ |\



mitosis


Events that occur during different phases of the cell cycle
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are listed below. Match these phase events to the phase
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that they occur in by drawing a line between them below.
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Replication of DNA |\ |\ |\




Repair of any DNA damage
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Doubling of cell size & components - CORRECT ANSWERS
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✔✔Replication of DNA ---- S phase |\ |\ |\ |\ |\ |\




Repair of any DNA damage -- G2 phase
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Doubling of cell size/Comp - G1 phase|\ |\ |\ |\ |\ |\




Name a cell cycle stage where there is a major
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control/checkpoint? - CORRECT ANSWERS ✔✔G2
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The phase of mitosis where the separation of identical
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chromosomes is completed, the nuclear envelope is |\ |\ |\ |\ |\ |\ |\



reformed, and mitosis is completed is |\ |\ |\ |\ |\

, a. prophase
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b. prophase II
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c. anaphase
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d. telophase
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e. metaphase - CORRECT ANSWERS ✔✔Telophase
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Which of the following event(s) which happen during
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interphase in the cell cycle are specific to plant cells?
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a. repair of DNA in the nucleus
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b. replication of DNA in the nucleus
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c. formation of the preprophase band that enciricles the
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plane of division |\ |\ |\




d. migration of the nucleus to the center of the cell
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e. both C and D are correct
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f. B, C and D are correct
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g. A B, C, and D are correct - CORRECT ANSWERS ✔✔Both
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C and D are correct
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The exchange of genetic material between homologous
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chromosomes from different parents also known as |\ |\ |\ |\ |\ |\ |\



crossing over occurs during which of the following phases
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of Meiosis?
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