BIOS 1120 EXAM 2 WITH CORRECT
ANSWERS 2025
1)An orderly sequence of events that describes the stages of a cell's
life from the division of a single parent cell to the production of two new
genetically identical daughter cells
A) Fluid Mosaic Theory
B) Cell Cycle
C) Definition of Biology
D) Scientific Method ( correct answers ) B.) Cell Cycle
2) True or false: The cell cycle occurs in 4 major phases ( correct
answers ) False
3) is the phase where cells grow and DNA is replicated
A) Interphase
B) Intraphase
C) Metaphase
D) This never happens ( correct answers ) A.) Interphase
4.) Prophase, metaphase, anaphase and telophase are all part of
A) Interphase
B) Intraphase
C) Mitotic Phase
D) We don't talk about it ( correct answers ) C.) Mitotic Phase
5) Somatic (human body) cells have chromosomes ( correct
answers ) 46
6) Human gametes have chromosomes ( correct answers
(Ex:) Mitosis
23 checkpoint happens between metaphase to ( correct
anaphase) answers
)7) 1.) Cellare
There growth checkpoint
control fromwithin
checkpoints G1-S the
phase
cell cycle. Name 1 of them
2.) and
DNAwhich
synthesis
phasecheckpoint from G2 to mitosis
9.) True or false: At the end of the mitosis you will end up with two
identical diploid daughter cells. ( correct answers ) True
1) Which of the following is TRUE of cell division
A) Three daughter cells are produced from one parent cell
B) A parent cell normally gives rise to two daughter cells
C) Each daughter cell receives one-third of the hereditary information
in the parent cell
, D.) The hereditary information is DNA in the parent cell and RNA in the
daughter cell ( correct answers )
B.) A parent cell normally gives rise to two daughter cells
2.) Which of the following statements about stem cells are TRUE?
A) They are found only in embryos.
B) They are able to differentiate into a variety of cell types.
C) They are found only in embryos and in the bone marrow of adults
D) They are 'perpetual' parent cells that never produce daughter cells.
E) They are permanently differentiated and cannot divide further. ( correct
answers )
B.) They are able to differentiate into a variety of cell types
3.) Genetic inheritance is based on what type of molecule?
F) DNA
G) Proteins
H) Enzymes
I) mRNA ( correct answers ) A.) DNA
4.) As a result of mitosis, each of your body cells
J) Contain unique genetic information
K) Contains only the genetic information needed for that type of cell
L) Is genetically identical to all other body cells
M)Changes genetically as you grow and develop
( correct answers ) C.) Is genetically
identical to all other body cells
5.) Which statement is TRUE of the behavior of chromosomes in
mitosis?
N) All chromosomes are duplicated except the sex chromosomes
O) Each new cell receives half of the number of chromosomes in the
original cell
P) Each new cell receives copies of all the original chromosomes
Q) The sister chromosomes are not identical because of breakages
in the DNA
R)If the original number of chromosomes was 46, each new cell will have
23 ( correct answers ) C.) Each new cell receives copies of all the original
chromosomes
6.) The site on a chromosome where microtubules attach during cell division
is the
S) histone
T) locus
U) telomere
V) chromatid
W) centromere ( correct answers ) E.) centromere
7.) DNA replication occurs
X) Immediately before prophase of mitosis
Y) At any time during cell division
Z) During prophase of mitosis
AA)Between the gap phases (G1 and G2) of interphase
AB)During prophase of meiosis ( correct answers ) D.)
Between the gap phases (G1 and G2) of interphase
ANSWERS 2025
1)An orderly sequence of events that describes the stages of a cell's
life from the division of a single parent cell to the production of two new
genetically identical daughter cells
A) Fluid Mosaic Theory
B) Cell Cycle
C) Definition of Biology
D) Scientific Method ( correct answers ) B.) Cell Cycle
2) True or false: The cell cycle occurs in 4 major phases ( correct
answers ) False
3) is the phase where cells grow and DNA is replicated
A) Interphase
B) Intraphase
C) Metaphase
D) This never happens ( correct answers ) A.) Interphase
4.) Prophase, metaphase, anaphase and telophase are all part of
A) Interphase
B) Intraphase
C) Mitotic Phase
D) We don't talk about it ( correct answers ) C.) Mitotic Phase
5) Somatic (human body) cells have chromosomes ( correct
answers ) 46
6) Human gametes have chromosomes ( correct answers
(Ex:) Mitosis
23 checkpoint happens between metaphase to ( correct
anaphase) answers
)7) 1.) Cellare
There growth checkpoint
control fromwithin
checkpoints G1-S the
phase
cell cycle. Name 1 of them
2.) and
DNAwhich
synthesis
phasecheckpoint from G2 to mitosis
9.) True or false: At the end of the mitosis you will end up with two
identical diploid daughter cells. ( correct answers ) True
1) Which of the following is TRUE of cell division
A) Three daughter cells are produced from one parent cell
B) A parent cell normally gives rise to two daughter cells
C) Each daughter cell receives one-third of the hereditary information
in the parent cell
, D.) The hereditary information is DNA in the parent cell and RNA in the
daughter cell ( correct answers )
B.) A parent cell normally gives rise to two daughter cells
2.) Which of the following statements about stem cells are TRUE?
A) They are found only in embryos.
B) They are able to differentiate into a variety of cell types.
C) They are found only in embryos and in the bone marrow of adults
D) They are 'perpetual' parent cells that never produce daughter cells.
E) They are permanently differentiated and cannot divide further. ( correct
answers )
B.) They are able to differentiate into a variety of cell types
3.) Genetic inheritance is based on what type of molecule?
F) DNA
G) Proteins
H) Enzymes
I) mRNA ( correct answers ) A.) DNA
4.) As a result of mitosis, each of your body cells
J) Contain unique genetic information
K) Contains only the genetic information needed for that type of cell
L) Is genetically identical to all other body cells
M)Changes genetically as you grow and develop
( correct answers ) C.) Is genetically
identical to all other body cells
5.) Which statement is TRUE of the behavior of chromosomes in
mitosis?
N) All chromosomes are duplicated except the sex chromosomes
O) Each new cell receives half of the number of chromosomes in the
original cell
P) Each new cell receives copies of all the original chromosomes
Q) The sister chromosomes are not identical because of breakages
in the DNA
R)If the original number of chromosomes was 46, each new cell will have
23 ( correct answers ) C.) Each new cell receives copies of all the original
chromosomes
6.) The site on a chromosome where microtubules attach during cell division
is the
S) histone
T) locus
U) telomere
V) chromatid
W) centromere ( correct answers ) E.) centromere
7.) DNA replication occurs
X) Immediately before prophase of mitosis
Y) At any time during cell division
Z) During prophase of mitosis
AA)Between the gap phases (G1 and G2) of interphase
AB)During prophase of meiosis ( correct answers ) D.)
Between the gap phases (G1 and G2) of interphase
