BIOL 1201- EXAM 4 QUESTIONS
&ACCURATE PASSED ANSWERS
Cell Cycle - Correct Answer ✔✔ the life cycle of a cell
What are the steps of the cell cycle? - Correct Answer ✔✔ Cytokinesis --> G1 --> S
Phase --> G2 --> Cell Division
What are the steps of interphase? - Correct Answer ✔✔ G1 -- S Phase --> G2
All cells come from ______________ cells. - Correct Answer ✔✔ pre-existing
Interphase accounts for ___% of the cell cycle. - Correct Answer ✔✔ 90
Nucleoli are present during _____.
A. anaphase
B. metaphase
C. interphase
D. prophase
E. prometaphase - Correct Answer ✔✔ C. interphase
During _____ the cell grows and replicates both its organelles and its chromosomes.
A. cytokinesis
B. G1
C. mitosis
D. interphase
E. S - Correct Answer ✔✔ D. interphase
Chromosomes are _____________ during G1. - Correct Answer ✔✔ unreplicated
When does DNA replication occur in the cell cycle? - Correct Answer ✔✔ S Phase
Chromosomes are _____________ during the S Phase. - Correct Answer ✔✔
replicated
Chromosomes are __________ during G2. - Correct Answer ✔✔ replicated
What do chromosomes consist of? - Correct Answer ✔✔ DNA and histone proteins
How does DNA appear during interphase? - Correct Answer ✔✔ relaxed and extended
,How does DNA appear during cell division? - Correct Answer ✔✔ supercoiled and
condensed
Chromosomes can either be _________ or ___________. - Correct Answer ✔✔
replicated; unreplicated
Unreplicated chromosomes have ______ molecule(s) of DNA. - Correct Answer ✔✔
one
Replicated chromosomes have ________ molecule(s) of DNA. - Correct Answer ✔✔
two
What are the two steps of cellular reproduction? - Correct Answer ✔✔ karyokinesis and
cytokinesis
Karyokinesis - Correct Answer ✔✔ division of the nucleus
What are the two types of karyokinesis? - Correct Answer ✔✔ mitosis and meiosis
What are the two types of cytokinesis? What is the difference between the two? -
Correct Answer ✔✔ cleavage and cell plate; cleavage occurs in animals while cell
plates occur in plants
Cleavage - Correct Answer ✔✔ a process by which animal cells contract and pinch a
cell in two
Cell Plate Formation - Correct Answer ✔✔ a process by which vesicles move to the
middle of a cell along with cell wall material, separating the cell
Cytokinesis in plant cells occurs through the formation of a:
A. Centromere
B. Cleavage Furrow
C. Centriole
D. Cell Plate
E. Chromatid - Correct Answer ✔✔ D. Cell Plate
Mitosis produces ____________ daughter cells ____________ to each other and
____________ to the original parental cell. - Correct Answer ✔✔ identical; identical;
identical
During _____ both the contents of the nucleus and the cytoplasm are divided.
A. G1
B. the mitotic phase
C. mitosis
, D. S
E. G2 - Correct Answer ✔✔ B. the mitotic phase
What are the major steps of mitosis? - Correct Answer ✔✔ prophase --> metaphase -->
anaphase --> telophase
All of the following occur during mitotic prophase EXCEPT
A. The nuclear envelope disappears.
B. The nucleolus disintegrates.
C. Chromosomes are duplicated.
D. The centrioles move apart.
E. The mitotic spindle is organized. - Correct Answer ✔✔ C. Chromosomes are
duplicated.
What happens during prophase? - Correct Answer ✔✔ Chromosomes are condensed.
Nuclear envelope breaks down. The spindle apparatus forms. The chromosomes are
just floating around attached to the spindle.
Chromosomes become visible during _____.
A. interphase
B. prometaphase
C. anaphase
D. prophase
E. metaphase - Correct Answer ✔✔ D. prophase
During prophase a homologous pair of chromosomes consists of _____.
A. four chromosomes and two chromatids
B. one chromosome and two chromatids
C. two chromosomes and four chromatids
D. two chromosomes and two chromatids
E. one chromosome and four chromatids - Correct Answer ✔✔ C. two chromosomes
and four chromatids
What happens during metaphase? - Correct Answer ✔✔ The chromosomes line up on
the metaphase plate. The centromeres are all lined up on the spindle.
Replicated chromosomes can be found during which of the following stages of the cell
cycle?
A. Metaphase
B. Cytokinesis
C. Telophase
D. G1 - Correct Answer ✔✔ A. Metaphase
&ACCURATE PASSED ANSWERS
Cell Cycle - Correct Answer ✔✔ the life cycle of a cell
What are the steps of the cell cycle? - Correct Answer ✔✔ Cytokinesis --> G1 --> S
Phase --> G2 --> Cell Division
What are the steps of interphase? - Correct Answer ✔✔ G1 -- S Phase --> G2
All cells come from ______________ cells. - Correct Answer ✔✔ pre-existing
Interphase accounts for ___% of the cell cycle. - Correct Answer ✔✔ 90
Nucleoli are present during _____.
A. anaphase
B. metaphase
C. interphase
D. prophase
E. prometaphase - Correct Answer ✔✔ C. interphase
During _____ the cell grows and replicates both its organelles and its chromosomes.
A. cytokinesis
B. G1
C. mitosis
D. interphase
E. S - Correct Answer ✔✔ D. interphase
Chromosomes are _____________ during G1. - Correct Answer ✔✔ unreplicated
When does DNA replication occur in the cell cycle? - Correct Answer ✔✔ S Phase
Chromosomes are _____________ during the S Phase. - Correct Answer ✔✔
replicated
Chromosomes are __________ during G2. - Correct Answer ✔✔ replicated
What do chromosomes consist of? - Correct Answer ✔✔ DNA and histone proteins
How does DNA appear during interphase? - Correct Answer ✔✔ relaxed and extended
,How does DNA appear during cell division? - Correct Answer ✔✔ supercoiled and
condensed
Chromosomes can either be _________ or ___________. - Correct Answer ✔✔
replicated; unreplicated
Unreplicated chromosomes have ______ molecule(s) of DNA. - Correct Answer ✔✔
one
Replicated chromosomes have ________ molecule(s) of DNA. - Correct Answer ✔✔
two
What are the two steps of cellular reproduction? - Correct Answer ✔✔ karyokinesis and
cytokinesis
Karyokinesis - Correct Answer ✔✔ division of the nucleus
What are the two types of karyokinesis? - Correct Answer ✔✔ mitosis and meiosis
What are the two types of cytokinesis? What is the difference between the two? -
Correct Answer ✔✔ cleavage and cell plate; cleavage occurs in animals while cell
plates occur in plants
Cleavage - Correct Answer ✔✔ a process by which animal cells contract and pinch a
cell in two
Cell Plate Formation - Correct Answer ✔✔ a process by which vesicles move to the
middle of a cell along with cell wall material, separating the cell
Cytokinesis in plant cells occurs through the formation of a:
A. Centromere
B. Cleavage Furrow
C. Centriole
D. Cell Plate
E. Chromatid - Correct Answer ✔✔ D. Cell Plate
Mitosis produces ____________ daughter cells ____________ to each other and
____________ to the original parental cell. - Correct Answer ✔✔ identical; identical;
identical
During _____ both the contents of the nucleus and the cytoplasm are divided.
A. G1
B. the mitotic phase
C. mitosis
, D. S
E. G2 - Correct Answer ✔✔ B. the mitotic phase
What are the major steps of mitosis? - Correct Answer ✔✔ prophase --> metaphase -->
anaphase --> telophase
All of the following occur during mitotic prophase EXCEPT
A. The nuclear envelope disappears.
B. The nucleolus disintegrates.
C. Chromosomes are duplicated.
D. The centrioles move apart.
E. The mitotic spindle is organized. - Correct Answer ✔✔ C. Chromosomes are
duplicated.
What happens during prophase? - Correct Answer ✔✔ Chromosomes are condensed.
Nuclear envelope breaks down. The spindle apparatus forms. The chromosomes are
just floating around attached to the spindle.
Chromosomes become visible during _____.
A. interphase
B. prometaphase
C. anaphase
D. prophase
E. metaphase - Correct Answer ✔✔ D. prophase
During prophase a homologous pair of chromosomes consists of _____.
A. four chromosomes and two chromatids
B. one chromosome and two chromatids
C. two chromosomes and four chromatids
D. two chromosomes and two chromatids
E. one chromosome and four chromatids - Correct Answer ✔✔ C. two chromosomes
and four chromatids
What happens during metaphase? - Correct Answer ✔✔ The chromosomes line up on
the metaphase plate. The centromeres are all lined up on the spindle.
Replicated chromosomes can be found during which of the following stages of the cell
cycle?
A. Metaphase
B. Cytokinesis
C. Telophase
D. G1 - Correct Answer ✔✔ A. Metaphase
