BIOCHEMISTRY (LOOSELEAF)-W/ACCESS
BIOCHEMISTRY (LOOSELEAF)-W/ACCESS
9th Edition
ISBN: 9781319425784
Author: BERG
Publisher: Macmillan Higher Education
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Chapter 12, Problem 9P
Interpretation Introduction

Interpretation:

The fluorescence changes at each addition of sodium dithionite needs to be discussed.

Concept introduction:

The sodium dithionite adding to the NBD-PS at the first time it’s quenched, by adding sodium dithionite further it has no effect.The ideal slow rate phospholipids can change from inner to the outer membrane.

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messengeRsand transpor and share materes 2. Now think about the bilayer arrangement of phospholipids in cell membranes. Imagine if extracellular and intracellular fluids were made of oil instead of water. How would the phospholipids arrange themselves? A. The hydrophilic heads would be oriented toward the middle, with hydrophobic tails pointing outward. B. The hydrophobic heads would be oriented toward the oil, so outward; the hydrophilic tails would be pointed inward. C. The hydrophobic tails would be oriented inward, while the hydrophilic heads would point outward.
CELL STRUCTURE AND FUNCTION – EUKARYOTES, PROKARYOTES AND VIRUSES-LABORATORY REPORT SHEET  ACTIVITY 2: CELL MEMBRANES, OSMOSIS AND DIFFUSION         Initial Volume (Vi) (mL) Final Volume (Vf) (mL) Change in Volume (Vi – Vf) (mL) A 20% sucrose 20% sucrose 92.0 mL 94.0 mL -2.0 mL B 40% sucrose 20% sucrose 92.0 mL 92.0 mL 0.0 mL C 20% sucrose 40% sucrose 92.0 mL 90.0 mL 2.0 mL   Treatment Percent Change A -2% B 0% C 2%   Hypothesize which dialysis bags should gain, lose or stay the same in regards to volume. Explain. Which solution is hypotonic, hypertonic and isotonic? Explain what the change in volume of the dialysis tube indicated and describe what happened when the volume increased and when the volume decreased. Explain the relationship between solute concentration and amount of free water or water available for movement.
TONICITY DRAG THE WORDS INTO THE BLANK SPACES BEL@W TO ACCURATELY COMPLETE THE PARAGRAPH Hypertonic Isotonic Hypotonic Hypertonic Lsotonic Hypotonic animal cell plant cell A Above are a represented plant cell and an animal cell. Refer to the key on slide 5 and fill in the blanks below. (If you find yourself counting solute dots, you're working much too hard!) Assume that the cell membranes are allow only water (not the solutes) to pass through. Because the cytoplasms of the plant and the animal cell have equal concentrations of solutes, we can say that their cytoplasms are to each other. If we put both the plant and the animal cells into Solution A, we would expect no change in the cells, because Solution A is to the cytoplasm of each cell.
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