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1. What is sympatric natural selection
A
A geographical barrier separates populations
B
A behavioural barrier separates populations
C
A mutational barrier separates populations
2. What is a therapeutic property of stem cells
A
Skin grafts
B
Drug testing
C
Information into cell growth
3. What is the definition of phylogenetics
A
Study into the growth of cells using computer technology
B
being able to read the entire genetic code of an organism
C
The study of evolutionary relatedness amping different groups of organisms
4. What end is continuously made (leading strand)
A
5’
B
3’
C
Phosphate
5. What do non coding regions do?
A
Regulation of transcription
B
Code for proteins
C
Act as enzymes in rna
6. What are meristems
A
A type of enzyme used in dna replication
B
An animal cell that has properties of a multipoint stem cell
C
An unspecialised region of plant cells that can divide or differentiate
7. In multicellular plants growth is restricted by regions called __________
A
Meristems
B
Chromosomes
C
Eukaryotes
8. What type of chromosomes are in the nucleus of a eukaryote
A
A single circular double stranded chromosome
B
A single linear chromosome
C
Multiple linear chromosomes
9. What is a Apical meristem?
A
They are at the tip of the root and the shoot
B
They allow the plant cells to thicken
C
They allow the plant to reproduce and make copies of itself
10. What is the definition of a multi potent stem cell
A
A stem cell that can differentiate into limited options (e.g bone marrow)
B
A stem cell that can become any cell in the body (e.g embryonic stem cells)
C
A stem cell that can only divide
11. What has allowed us to determine the main sequence of events in evolution
A
Scientists who have looked into natural selection
B
Reserch into cell growth
C
Sequence data and fossil records
12.
A
B
C