cell continuity, cell cycle and cell divisions 1 leaving certificate biology
TRANSCRIPT
Cell continuity, Cell cycle
and Cell divisions 1
Leaving Certificate Biology
€ 100
€ 200
€ 300
€ 500
€ 2,000€ 1,000
€ 4,000
€ 8,000
€ 16,000
€ 32,000
€ 64,000
€ 125,000
€ 250,000
€ 500,000€1,000,000
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For €100: How many chromosomes are normally
present in a human cheek cell?
A B
C D
23 46
69 92
50:50 Ask the audiencePhone a friend
B: 46
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For €100: How many chromosomes are normally
present in a human cheek cell?
A B
C D
23 46
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0
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30
40
50
60
70
A B C D
A
B
C
D
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• Hello, it's Chris Tarrant on Who wants to be a millionaire, this question is for €100.
• I’m 80% certain that it's … B
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For €200: Spindle threads are attached to the
chromosomes at the …
A B
C D
Mitochondria Centromeres
Centrioles Metaphase
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B: Centromeres
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For €200: Spindle threads are attached to the
chromosomes at the …
A B
C D
Centromeres
Centrioles
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0102030405060708090
100
A B C D
A
B
C
D
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• That’s definitely B
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For €300: The chromosome number of
human gametes is …
A B
C D
46 48
12 23
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D: 23
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For €300: The chromosome number of
human gametes is …
A B
C D12 23
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010
2030
4050
6070
8090
100
A B C D
A
B
C
D
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• Hello, it's Chris Tarrant on Who wants to be a millionaire, this question is for €300.
• It has to be D Chris
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Spores
For €500: Specialised sex cells are called …
A B
C D
Gametes
Zygotes Endospores
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A: Gametes
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For €500: Specialised sex cells are called …
A B
C D
Gametes
Zygotes
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A B C D
A
B
C
D
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• It’s definitely A Chris
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For €1,000: A zygote is a diploid cell resulting
from the union of …
A B
C D
A gamete and zygospore
A gamete and a spore
Two spores Two gametes
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Congratulations
D: Two gametesYou have won €1,000.00
21 Apr 2023
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For €1,000: A zygote is a diploid cell resulting
from the union of …
A B
C DTwo spores Two gametes
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15
20
25
A B C D
A
B
C
D
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For €2,000: The centromeres split and half of each
chromosome pair moves from the equator to the poles of the cell. This describes
which stage of cell division?
A B
C D
Prophase Anaphase
Metaphase Telophase
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B: Anaphase
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For €2,000: The centromeres split and half of each
chromosome pair moves from the equator to the poles of the cell. This describes
which stage of cell division?
A B
C D
Anaphase
Metaphase
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05
101520253035404550
A B C D
A
B
C
D
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• I am not sure, I’d chance B
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For €4,000: Any substance that will cause a normal cell to lose control over their rate of growth and
cell division, is known as a …
A B
C D
Carcinogen Carotenoid
Callus Carnivore
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A: Carcinogen
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For €4,000: Any substance that will cause a normal cell to lose control over their rate of growth and
cell division, is known as a …
A B
C D
Carcinogen Carotenoid
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05
101520253035404550
A B C D
A
B
C
D
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• I am not sure, I would guess A
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For €8,000: What term is given to the fixed number of
chromosomes found in somatic body cells?
A B
C D
Monoploid Diploid
Polyploid Haploid
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B: Diploid
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For €8,000: What term is given to the fixed number of
chromosomes found in somatic body cells?
A B
C D
Diploid
Polyploid
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30
40
50
60
70
80
A B C D
A
B
C
D
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• It is definitely A ... Wait a minute it may be C
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For €16,000: Any cell which must fuse with another cell in
order to produce a new individual is called a …
A B
C D
Sperm Spore
Gamete Egg
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C: Gamete
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For €16,000: Any cell which must fuse with another cell in
order to produce a new individual is called a …
A B
C D
Spore
Gamete
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0
10
20
30
40
50
60
70
80
A B C D
East
A
B
C
D
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• I know this one, it's … B, I think
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For €32,000: A cell that contains half the somatic number
of chromosomes is said to be …
A B
C D
Polyploid Diploid
Haploid Triploid
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C: Haploid
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21 Apr 2023
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For €32,000: A cell that contains half the somatic number
of chromosomes is said to be …
A B
C D
Polyploid
Haploid
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05
101520253035404550
A B C D
A
B
C
D
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• I believe it is … A
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For €64,000: What is the term used to describe the preparatory stage before or a resting
stage after mitosis or meiosis?
A B
C D
Telophase Interphase
Anaphase Prophase
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B: Interphase
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For €64,000: What is the term used to describe the preparatory stage before or a resting
stage after mitosis or meiosis?
A B
C D
Telophase Interphase
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101520253035404550
A B C D
A
B
C
D
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• It’s either A or B, I’m 100% certain of that.
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For €125,000: Stage of cell division: chromosomes become
attached to the spindle fibres by their centromeres and become aligned in an
equatorial plane perpendicular to the spindle axis.
A B
C D
Anaphase Metaphase
Telophase Prophase
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B: Metaphase
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Next Question
For €125,000: Stage of cell division: chromosomes become
attached to the spindle fibres by their centromeres and become aligned in an
equatorial plane perpendicular to the spindle axis.
A B
C D
Anaphase Metaphase
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Ask the audience
05
101520253035404550
A B C D
A
B
C
D
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• I know this? Is it B?
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For €250,000: What is the usual method of cell division by cells not involved in the formation of
gametes (somatic cells)?
A B
C D
Binary fission Meiosis
MitosisTransverse
division fission
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C: Mitosis
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For €250,000: What is the usual method of cell division by cells not involved in the formation of
gametes (somatic cells)?
A B
C D
Binary fission
Mitosis
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A B C D
A
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C
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• I know it. Oh! Chance C or D
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For €500,000: Name the type of cell division that occurs
in a gamete or spore producing cell.
A B
C D
Binary fissionTransverse
division fission
Mitosis Meiosis
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D: Meiosis
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For €500,000: Name the type of cell division that occurs
in a gamete or spore producing cell.
A B
C DMitosis Meiosis
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20
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30
A B C D
A
B
C
D
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• I think it is C or D. I’m nor sure which. Take a chance on D.
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For €1,000,000: A swelling due to abnormal growth
of cells is called a …
A B
C D
Cancer Tumour
Swelling Malignancy
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Congratulations
You are a Millionaire!
21 Apr 2023
The Contestant
€ 1,000,000.00One million euro only
For €1,000,000: A swelling due to abnormal growth
of cells is called a …
A B
C D
Cancer Tumour
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Ask the audience
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5
10
15
20
25
A B C D
A
B
C
D
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• I do not have a clue I’m afraid
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WRONG ANSWER
Hard Luck
You leave with nothing
Try Again
WRONG ANSWER
Hard Luck
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Try Again
21 Apr 2023
The Contestant
€ 1,000.00One thousand euro only
WRONG ANSWER
Hard Luck
You leave with a cheque for €32,000.00
Try Again
21 Apr 2023
The Contestant
€ 32,000.00Thirty two thousand euro only