A normal protein has the amino acid sequence: leu- tryp- ser - lle - gln
A mutation occurred in the DNA. The amino acid sequence that resulted from this
changed gene is:
leu - tryp- ser -lle -gln
What type of mutation occurred in the protein?

c is the answer : )               your welcome

chert is a sedimentary rock composed of microcrystalline or cryptocrystalline silica. with this little bit of information, you can come to the conclusion that your answer is c.  

explanation:

1. b.

2. d.

3. a.

5. d.

6. c.

these are the only ones that i know, i hope this , and good luck.