The environment that will have a negative impact on both cells with a cell wall and cells without a cell wall is the hypertonic environment.
<h3>What is a cell wall?</h3>
A cell wall is defined as the flexible outer layer of the cell that provides protection for the cell from any physical or chemical stress.
A hypertonic fluid environment is the type of fluid that is highly concentrated than the cell.
Therefore, when a clear is placed in a hypertonic environment, through the process of osmosis, water moves out of the cell.
This affects also cells that do not possess cell wall.
Therefore, the environment that will have a negative impact on both cells with a cell wall and cells without a cell wall is the hypertonic environment.
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Answer:
A. play a role establishing and maintaining membrane lipid asymmetry
Explanation:
Proteins that move move certain phospholipids between leaflets are transmembrane proteins via "flip-flop" transition have also the possibility to maintain membrane lipid asymmetry. There are few types of such proteins:
- flipases-move lipids from the exterior to the interior side of the membrane, energy required
- flopases-move lipids in reverse comparing to flipases, energy required
- scramblases-no energy required, bidirectional
Because of the action of those proteins, cytosolic side of plasma membrane differs from exoplasmic side (asymmetry).
Answer:
In plants and algae, which developed much later, photosynthesis occurs in a specialized intracellular organelle—the chloroplast. Chloroplasts perform photosynthesis during the daylight hours. The immediate products of photosynthesis, NADPH and ATP, are used by the photosynthetic cells to produce many organic molecules.
Object, situation, relativity
Answer:
The correct answer is E. Answer choices a, b, and c.
Explanation:
There can be many causes for a gram standard culture to appear red like if we use decolorizer for a long time then even the gram-positive cells present in the culture will lose their dye and become decolorized. Then they appear red after counterstaining with safranin.
If a gram-positive culture is older than 24 hours they can appear red because after 24 hours because the peptidoglycan starts degenerating and fails to persist crystal violet it their walls.
Iodine makes complex with crystal violet which is retained by peptidoglycan present in gram-positive cell wall. So when we forgot to add iodine crystal violet will not be retained and cells will appear pink.
Thus, the correct answer is E. Answer choices a, b, and c.
