DATE: NAME: BLOCK: UNIT 6 REVIEW – CELL STRUCTURE, FUNCTION, AND REPRODUCTION 1. Match the description with the appropriate cell structure or organelle. a) Command centre _____1. ribosome b) Storage centre _____2. cell wall c) Support structure _____3. nucleus d) Factory _____4. mitochondria e) Power plant _____5. chloroplast f) Food producer _____6. vacuole 2. In relation to protein production, describe the relationship between the nucleus, ribosomes, rough endoplasmic reticulum, and golgi apparatus. 3. (a) What is DNA? (be descriptive and use a diagram) (b) Determine the protein (amino acid sequence) for the DNA code given below. DNA: T A C G C C T T G A A T G T A A T C Protein: (c) Examine the DNA code below, it is a mutated version of the code in the previous question. Mutated DNA: T A C G C C T T C A A T G T A A T C Identify (and describe) the type of mutation that has occurred. 3. (a) What is a “mutagen”? (b) List 3 things that are considered to be mutagens. 4. (a) What is the difference between a positive mutation and a negative mutation. (b) Describe ONE example of a positive mutation and ONE example of a negative mutation. Example Positive Negative (c) What do all mutations have in common? 5. (a) Explain how a mutation can occur but have NO effect on the organism. (b) What is the name given to this type of mutation?