1. Gene are composed of
A. DNA B. proteins C. chromatids D. carbahydrates E. lipids
2. If DNA is likened to a ladder, what are the compounds that make up the sides of the ladder? A. phosphates and bases B. phosphates and sugars C. bases only D. phosphates only F. bases and sugars
3. DNA is packed around proteins called A. chromosomes. B. histones. C. chromatin. D. protein. nucicosomes.
4. Pairs of chromosomes that are similar in size and genetic composition are A. chromatids. B. diploid. C. haploid. D. chromatin. E. homologous chromosomes.
5. What is the sugar molecule found in DNA? A. ribose B. phosphatase C. deoxyribose l). carbohydrate E. polymerase
6. DNA replication A. occurs in the cytoplasm of the cell. B. does not require proteins. C. takes place in the nucleus of the cell. D. is constantly happening in a cell.
7. Which of the following is not found in DNA? A. guanine B. uracil C. deoxyribose D. thymine E. phosphate
Match the following examples. A. Mitosis B. Meiosis C. Both
8. Produces genetically identical daughter cells
9. Occurs in somatic cells 10. Gives rise to gametes
11. Generally produces 4 daughter cells
12. Requires chromosome replication must be completed before hand Match the following examples with the correct cellular organelle. A. Nucleus B. Ribosomes Golgi apparatus D. Smooth endoplasmic reticulum E. Lysozymes F. Mitochondria 13. The genetic material is stored here.
14. Proteins are made by these.
15. These store ATP.
16. Lipids and phospholipids are produced here.
17. Modification of proteins takes place
