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Part A:
Chemiosmosis is movement of water molecules through a membrane
False
True
Part B:
The acidic environment is created inside mitochondria and chloroplast during
A. True
B. False
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- A selectively permeable A. allows some substance to move across the membrane, but not others B. allows unlimited movement of materials into or out of the cell C. allows substances to enter, but prevent any substances from leaving the cell D. allows only helpful materials to cross the the cell membrane into the cellWhat cellular organelle is the final destination of oxygen? A. Left B. Middle C. Right D. Nucleus E. Plasma Membrane F. Golgi G. Mitochondrion H .Endoplasmic ReticulumIn eukaryotes, the final reactions of aerobic respirationare completed in the .a. nucleus c. plasma membraneb. mitochondrion d. cytoplasm
- Chemiosmosis involves a. the movement of electrons across the cell membrane. b. the movement of hydrogen atoms across a mitochondrial membrane. c. the movement of hydrogen ions across a mitochondrial membrane. d. the movement of glucose through the cell membrane.Which of the following will likely result if the concentration of electrolytes outside the cell is higher than in the intracellular environment? A. The cell will be unaffected B. The cell will burst C. The cell will shrink and dry up D. The cell will undergo mitosis and divideA drug forms a channel in the thylakoid membrane. Given this scenario, which of the following statements are true? O a. A large portion of the drug must be non-polar O b. Electron transport will stop C Protons will move into the stroma O d. The membrane protein behaves as an active transporter
- Elodea is an aquatic plant native to Florida. A process called cytoplasmic streaming or cyclosis occurs in Elodea cells, where there is movement of the cytoplasm. The same phenomenon is also observed in animal cells. Below is a microscope image of Elodea cells. 1. Describe the overall shape of the Elodea cells. 2. Label the cell wall of an Elodea cell. 3. Are chloroplasts abundant in the Elodea cell? How many chloroplasts do you think are visible? 4. What are two abiotic (non-living) factors that influence the growth of Elodea?In the mitochondria, proteins are imported in a/an _____________state. In the chloroplast, proteins are imported in a/an __________ state. Select one: a. folded, folded b. folded, unfolded c. unfolded, unfolded d. unfolded, folded Clear my choiceWhich of the following statements is NOT TRUE about the organization and function of chloroplasts and mitochondria? a. The pH is very low in the matrix of both organelles. b. Both cristae and grana are infoldings of the inner membrane. c. Inner membranes contain the transport proteins and ATP Synthases. d. Both organelles can divide independently of the cell.
- Part G Calcium ions that act as second messengers are stored in lysosomes chloroplasts peroxisomes mitochondria endoplasmic reticula Submit Previous Answers Request Answer X Incorrect; Try Again; One attempt remaining Mitochondria are not a source of second-messenger calcium ions Part H catalyzes the production of which then opens an ion cha MacBookDefine the following terms: a. photosynthesis b. thylakoid membrane c. MAP d. IFT e. polycystic kidney diseaseCellular respiration is divided into 3 phases, each yielding a different amount of energy. A yeast cell is placed in an open flask in the laboratory. The flask contains sugar, water, and grape juice. b. The flask is then sealed with an airtight stopper. Describe which phases of cell respiration will take place now and list the amount of energy that will be made during those phases. *
