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41) Which of the following is NOT true about mutations? 
 

A) Damage to DNA can result after exposure to some environmental factors 

B) Mutations can often be repaired by enzymes 

C) Variations in DNA and mutations are important for evolution to occur 

D) All mutations are harmful for the organism 

E) Ultraviolet light can cause mutations 

 
42) Choose the correct pathway of information flow in the cell. 
 A) 

RNA 

→

 DNA 

→

 protein 

 B) 

DNA 

→

 RNA 

→

 protein 

 C) 

ER 

→

 DNA 

→

 RNA 

→

 protein 

 D) 

ER 

→

 DNA 

→

 Golgi 

→

 protein 

E) Ribosomal RNA 

→

 DNA 

→

 protein 

 
43) Which of the classes of RNA molecules is part of the process of transcription? 
 

A) Ribosomal RNA 

B) Transfer RNA 

C) Messenger RNA 

 D) 

Primary 

RNA 

E) Secondary RNA 

 
44) Which of the classes of RNA molecules is/are part of the process of  
       translation? 
 

A) Ribosomal RNA 

B) Transfer RNA 

C) Messenger RNA 

D) A and C 

E) A, B and C 

45) All of the following are directly involved in translation EXCEPT: 
          A) Ribosomes 
 B) 

tRNA 

C) Amino acids 

 D) 

DNA 

 E) 

mRNA 

 
46) Darwin realized that most species produce many more offspring than is  
       necessary to maintain a constant population yet the size of the population  
       normally doesn’t change much.  These “extra” individuals that are born: 
          A) Migrate to another location 
 

B) Die before they can reproduce 

C) Evolve to become new species 

D) Mutate and are able to adapt to new environments 

E) Mate with other species