- The cell cycle includes C interphase and mitosis Interphase and cell division phase G1,S,G2 Mitosis and cytokinesis
- BECTION AI ANSWER ALL QUESTIONS (40 MARKB) 1. List four differences in the chemical nature and function of cell wall structures between Gram positive and Gram-negative bacteria [4 Marka] 2. Briefly explain generation time (2 Marka) b) Briefly describe the bacterial growth cycles. (4 Marko) 3. a) Differentiate between DNA and RNA viruses. [2 Marks] b) Enumerate the basis for Viral classification (3) Marks) 4. Briefly explain how a virus causes disease in humans. (5) Marks) 5. State five human and ecological relevance of the Asperpillus spp and penicillin spp. type of fungi (5) Marks
- Question 4 (1 point) Which of the following is a functional characteristic of ribosomes? Manufacture of mRNA Protein synthesis DNA replication Housing of DNA
- Question 2 (1 point) Main cell structures include all of the following except: organelles cell membrane blood plasma cytoplasm
- C. stores fat. 4. The Golgi apparatus d. stores and packages protein. a. makes energy for the cell. b. makes microtubules. 5. The mitochondrion is responsible for C. protecting the nucleus. a. producing energy. d. transporting protein. b. assembling proteins. C sex-linked trait. 6. A mutation that is associated with an animals gender is called a d. gender-linked recessive, a. gender-linked trait. b. bipolar anomoly. 7. A chromosome C. occurs in pairs. a. is composed of DNA. d. is all of the above. b. is a carrier of genes. 8. A pair of genes with characteristics that are alike is said to be C. genotype. a. heterozygous. d recessive. b. homozygous. 9. Mating of an animal of one breed to an animal of another breed is C. crossbreeding a. pure-breeding. d. outcrossing b. grading up. 10. The phenotype of an individual is C. the type of animal. a. what the genes look like. d. the expected production. b. the physical appearance. 11. When genes are transferred from one individual to another other than through mating, it is referred to... a. artificial insemination. C. genetic engineering b. in vitro fertilization. d. hybrid vigor. 12. The inability to reproduce is C. biotechnology. a. ovulation d. sterility. b. meiosis. 13. Mating a sire to his daughter is C. pure-breeding. a. closebreeding b. crossbreeding. d. grading up. B. MATCHING __ 1. Gamete __ 2. Genotype __ 3. Fetus __ 4. Progeny __ 5. Dam a. Developing embryo b. Mother C. Sex cell d. Offspring e. Configuration of genes C. COMPLETION 1. The __ manufacture male sex cells. 2. A __ studies genetics. 3. The passing of traits from parents to offspring is __ . 4. The crossing of half-brother to half-sister is __ . 5. __ is the coding mechanism for heredity.
