Name: 
 

Quiz: Defining Terms (Chapter 8)



Matching
 
 
a.
mRNA-
b.
codon-
c.
sex cells-
d.
Amino acid-
e.
anticodon-
f.
Ribosome-
g.
Transcription -
h.
DNA -
i.
mutation-
j.
natural selection-
k.
Chromosomal mutations-
l.
nucleotides-
m.
body cells-
n.
Point mutation-
o.
tRNA-
p.
Chargaff’s rules-
q.
Watson and Crick -
r.
complementary -
s.
Replication -
t.
Translation
 

 1. 

This process often removes mutant alleles from a population when
they are less adaptive.
 

 2. 

A sequence of three nucleotides that codes for an amino acid.
 

 3. 

DNA making DNA
 

 4. 

Transfer RNA (brings amino acids from the cytoplasm to a ribosome to help make growing protein
 

 5. 

Messenger RNA (carries DNA’s message into cytoplasm)
 

 6. 

gametes (egg and sperm)
 

 7. 

Any change in an organisms DNA
 

 8. 

A Mutations that may affect an entire chromosome
 

 9. 

RNA making proteins
 

 10. 

A three-letter sequence of nucleotides on tRNA
 

 11. 

All cells in the body with the exception of sex cells
 

 12. 

DNA making RNA
 

 13. 

they fit together and are the opposites of each other
 

 14. 

The monomer of DNA
 

 15. 

Mutation in which one nucleotide is substituted for another
 

 16. 

A = T and C = G
 

 17. 

Deoxyribonucleic Acid
 

 18. 

The monomer of a protein
 

 19. 

Scientist who discovered the structure of DNA molecule
 

 20. 

Organelle where protein synthesis takes place
 



 
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