098439.pdf - 439 E iik$98$g fit i= Eitia ms 439 733 5H5 I...

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Unformatted text preview: 439 E iifik$98$$gfifi fifitfl i=¥fifififl ‘Eifitfiifiafi ms: 439 733% 5H5 I. 513233: 1. What is a testcross'? (2%) What is its purpose? (2%) . Explain the following terms: (6%) (A) synaptonemal complex; (B) epistasis; (C) heterochromatin . List and briefly describe the steps used in recombinant DNA technology. (10%) . List five attributes of Arabidopsis thaliana that make it an ideal model plant for molecular genetic research. (10%) . -What important kind of mutualisrn has evolved between plants and bacteria? (5%) Between plants and soil fungi? (5%) . Compared to a solution of isolated chlorophyll, why do intact chloroplasts release less heat and fluorescence when illuminated? (5%) . What are homeotie genes?(4%) Give examples that illustrate the role of homeotic genes in flower development.(6%) . What is meant by chemiosmotic coupling? (5%) . When the poison cyanide blocks the electron transport chain, glycolysis and citric acid cycle soon grind to a halt as well. Why do you think they stop? (5%) 10. How do phytochrome molecules help the plant recognize dawn each day? (5%) Hflfiz €EJ(20%) 1. deuterornycetes 2. chloroplast endoplasmic reticulum 3. sporopollenin . totipotent . resolving power . monophyletic . tangential section . sporic meiosis . cohesion-tension theory 10. tunica-corpus . u 4% %fifi%§ fliifli$%$$fififfifli%flfifi III. Name the structure (use English term) of the cell in the following: (10%) (A) (B) (C) (D) (E) (F) (G) (1) (J) : membrane of the vacuole : plastid stores starch : structures within chloroplasts; stacked of thylakoids : tube-like structures that form flagella : phetorespiration occurs here : the layer cementing together of adjacent plant cells : involving cytoplasmic streaming (H) _: double—membrane system that manufactures proteins : inner membranes of mitochondria : minute strands of cytoplasm that extend between adjacent cells through pores in the walls seesaw ...
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