exam4 - Name: _ UGAMyID: _ BCMB 3100 (Medlock) Fall 2005...

Info iconThis preview shows pages 1–3. Sign up to view the full content.

View Full Document Right Arrow Icon
Name: ______________________________ UGAMyID: _______________ BCMB 3100 (Medlock) Fall 2005 Exam 4 (120 points) 1. (20 points) (A) Give the initial donor, the terminal electron acceptor, and one mobile electron carrier for photosynthesis. (B) A newly isolated compound, zobraIr, block photosynthetic electron transfer from cytochrome bf to PSI. When zobraIr is added to isolated chloroplasts, will both O 2 evolution and photophosphorylation ceases? Explain your answer. (C) Explain the need for cyclic electron transfer during photosynthesis. Describe the process of cyclic electron transfer. (D) Describe the location and orientation of chloroplast ATP synthase in chloroplasts. 2. (10 points) In the dark reactions (Calvin cycle or reductive pentose phosphate pathway) of photosynthesis CO 2 , NADPH, and ATP are used to make carbohydrates. A) Describe the first reaction of this cyclic pathway. B) How many CO 2 , ATP, and NADPH molecules are required to form 1 molecule of glyceraldehyde 3- phosphate and to regenerate ribulose 1,5-bisphosphate?
Background image of page 1

Info iconThis preview has intentionally blurred sections. Sign up to view the full version.

View Full DocumentRight Arrow Icon
Name: ______________________________ UGAMyID: _______________ 3. (15 points) (A) Draw the following fatty acids: 18:0 (Sterate) 18:2 9,12 (Linoleate) Is the melting point of Linoleate higher, lower, of the same as Sterate? Explain you answer. (B)
Background image of page 2
Image of page 3
This is the end of the preview. Sign up to access the rest of the document.

Page1 / 5

exam4 - Name: _ UGAMyID: _ BCMB 3100 (Medlock) Fall 2005...

This preview shows document pages 1 - 3. Sign up to view the full document.

View Full Document Right Arrow Icon
Ask a homework question - tutors are online