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Jouer Froggy Jumps
1. What is the name of enzyme that join fragments together in DNA replication
A
DNA polymerase
B
Ligase
C
Helicase
2. Which temperature for PCR allows primers to bind
A
50-65
B
70-80
C
92-98
3. Which of these is not an example of a somatic cell
A
Lymphocytes
B
Epithelial cell
C
Seminiferous tubules
4. Dividing by mitosis ensures cells maintain their ___ chromosome number
A
Haploid
B
Diploid
C
Triploid
5. Embryonic stem cells are
A
Unspecialised
B
Specialised
C
Differentiated
6. During differentiation
A
Genes are switched off
B
Proteins are made
C
Cells become undifferentiated
7. Which of these is NOT an example of a research use of stem cells
A
Used as model cells to understand cell processes
B
C
Used for corneal repair
8. Which is true of cancer cells
A
divide controllably
B
produce a mass of healthy cells
C
do not respond to regulatory signals
9. Which of these is correct
A
adenine - guanine
B
cytobean - guanine
C
thymine - adenine
10. DNA polymerase can only attach bases to
A
3' end
B
5' end
C
0' end