BIOL 133 Exam 1 Mitosis UPDATED
ACTUAL Questions and CORRECT
Answers
Which of the following is true of mitosis? - CORRECT ANSWER - Creates genetically
identical daughter cells (cloning process)
Mitosis - CORRECT ANSWER - -cell division for growth and repair (NOT
REPRODUCTION)
All (most) cells from mitosis are genetical identical: Except gametes
The Cell Cycle - CORRECT ANSWER - Interphase (G1, S, G2), M-phase (Prophase,
Metaphase, Anaphase, Telophase)
interphase - CORRECT ANSWER - -Chromosomes are replicated, no active cell division
-g1, S, G2
-cannot tell one chromosome from another
G1 phase - CORRECT ANSWER - Decision phase: Divide or Not Divide? (based on
needs)
If divide -> continue to S
S phase - CORRECT ANSWER - S = synthesis (of chromosomes)
Each chromosome is replicated (EXACT copy.. but mistakes can happen)
G2 phase - CORRECT ANSWER - Prep for division
M Phase - CORRECT ANSWER - Division of nucleus and cytoplasm (only time of active
cell division)
, Cell division for growth and repair
Cloning division: Daughter cells genetically identical to the parent cell
Prophase - CORRECT ANSWER - -Can see individual chromosomes
-Diploid cell (2n = 4 cell)
-Two strands (original, copy) connected together: replicated chromosome - occurred in S phase
of interphase
-Nuclear envelope degrades (less important knowledge for exam)
-Replicated chromosomes from interphase become condensed**
Metaphase - CORRECT ANSWER - Chromosomes move towards metaphase plate and
line up
EACH chromosome lines up individually at the metaphase plate
Checkpoint in cell division
Anaphase - CORRECT ANSWER - -Circles that hold replicated strands together breaks ->
the strands separate from partner
-½ of replicated chromosome goes to one end, ½ of replicated goes to another end
-Centromeres dissolve
-Sister chromatids separate
-Move towards opposite poles of cell
Telophase - CORRECT ANSWER - -2 genetically identical cells start to separate
-Identical to parent cells and to each other
-Chromosomes decondense again
-Nuclear envelope reforms
-2 new identical daughter cells created
ACTUAL Questions and CORRECT
Answers
Which of the following is true of mitosis? - CORRECT ANSWER - Creates genetically
identical daughter cells (cloning process)
Mitosis - CORRECT ANSWER - -cell division for growth and repair (NOT
REPRODUCTION)
All (most) cells from mitosis are genetical identical: Except gametes
The Cell Cycle - CORRECT ANSWER - Interphase (G1, S, G2), M-phase (Prophase,
Metaphase, Anaphase, Telophase)
interphase - CORRECT ANSWER - -Chromosomes are replicated, no active cell division
-g1, S, G2
-cannot tell one chromosome from another
G1 phase - CORRECT ANSWER - Decision phase: Divide or Not Divide? (based on
needs)
If divide -> continue to S
S phase - CORRECT ANSWER - S = synthesis (of chromosomes)
Each chromosome is replicated (EXACT copy.. but mistakes can happen)
G2 phase - CORRECT ANSWER - Prep for division
M Phase - CORRECT ANSWER - Division of nucleus and cytoplasm (only time of active
cell division)
, Cell division for growth and repair
Cloning division: Daughter cells genetically identical to the parent cell
Prophase - CORRECT ANSWER - -Can see individual chromosomes
-Diploid cell (2n = 4 cell)
-Two strands (original, copy) connected together: replicated chromosome - occurred in S phase
of interphase
-Nuclear envelope degrades (less important knowledge for exam)
-Replicated chromosomes from interphase become condensed**
Metaphase - CORRECT ANSWER - Chromosomes move towards metaphase plate and
line up
EACH chromosome lines up individually at the metaphase plate
Checkpoint in cell division
Anaphase - CORRECT ANSWER - -Circles that hold replicated strands together breaks ->
the strands separate from partner
-½ of replicated chromosome goes to one end, ½ of replicated goes to another end
-Centromeres dissolve
-Sister chromatids separate
-Move towards opposite poles of cell
Telophase - CORRECT ANSWER - -2 genetically identical cells start to separate
-Identical to parent cells and to each other
-Chromosomes decondense again
-Nuclear envelope reforms
-2 new identical daughter cells created
