The thylakoid membrane of the chloroplast has features similar to the mitochondrial inner membrane. Which of these features is NOT a common feature? has photosensitive pigments has ATP synthase enzyme embedded in the membrane has limited permeability to protons is made of phospholipids is embedded with electron transport chain proteins

The thylakoid membrane of the chloroplast has features similar to the mitochondrial inner membrane. Which of these features is NOT a common feature? has photosensitive pigments has ATP synthase enzyme embedded in the membrane has limited permeability to protons is made of phospholipids is embedded with electron transport chain proteins

Concepts of Biology

1st Edition

ISBN:9781938168116

Author:Samantha Fowler, Rebecca Roush, James Wise

Publisher:Samantha Fowler, Rebecca Roush, James Wise

Chapter5: Photosynthesis

Section: Chapter Questions

Problem 3RQ: Which statement about thylakoids in eukaryotes is not correct? a. Thylakoids are assembled into...

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Figure 8.16 What is the source of electrons for the chloroplast electron transport chain? Water Oxygen Carbon dioxide NADPH
Which statement about thylakoids in eukaryotes is not correct? a. Thylakoids are assembled into stacks. b. Thylakoids exist as a maze of folded membranes. c. The space surrounding thylakoids is called stroma. d. Thylakoids contain chlorophyll.
Which of the following does NOT apply to chloroplasts? They contain an internal membrane system consisting of thylakoids They contain chlorophyll and the enzymes required for photosynthesis They are bounded by two membranes, the inner of which is folded into the cristae They synthesize ATP (adenosine triphosphate) from ADP (adenosine diphosphate) and Pi (inorganic phosphate)
Where is the proton concentration high in the chloroplast? Intermembrane space Thylakoid membrane Stroma Thylakoid space
In photosynthesis, an H+ ion gradient forms across the ______. thylakoid membrane outer chloroplast membrane inner chloroplast membrane endomembrane
Which of the following membrane leaflets contains the most phosphatidylcholine? the outer leaflet of the chloroplast’s thylakoid membrane the inner leaflet of the inner chloroplast membrane the outer leaflet of the inner mitochondrial membrane the outer leaflet of the outer nuclear membrane the inner leaflet of the inner mitochondrial membrane
Which of the following statements incorrectly describes the structure of a chloroplast? A chloroplast has both an outer membrane and an inner membrane, often separated by a narrow intermembrane space. The inner membrane of the chloroplast encloses the stoma, a dense fluid filled with enzymes needed for photosynthesis. A chloroplast contains thylakoids, which are flat, saclike structures suspended in the stroma. Thylakoids of a chloroplast are arranged into stacks called grana.
Within the inner membrane of a chloroplast, interconnected sacs of membrane called ______ are suspended in a thick fluid called the ______. grana... thylakoid thylakoids... stroma thylakoids... grana chlorophyll... thylakoid
The inner membrane of the mitochondria is analogous with which of the following in the chloroplast: a) Outer Membraneb) Inner Membranec) Thylakoid Membraned) Thylakoid Lumen e) Stroma
In cellular respiration, the ETC pumps hydrogen ions from ___to___, while in photosynthesis, the ETC pumps hydrogen ions from___to___. (fill in the blank) thalykoid space-inner membrane space-matrix-stroma
In which compartment of the chloroplast and mitochondrion does the ATP synthase pump the protons respectively? a. Stroma and matrix b. Lumen and thylakoid membrane c. Lumen and intermembrane space d. Matrix and thylakoid lumen
The transfer of electrons in a photosystem creates a membrane potential with a _______ concentration of H+ molecules on the inside of the membrane and a ______ concentration on the outside of the membrane. A. higher; lower B. lower; higher