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Vesna [10]
4 years ago
9

How many layers of phospholipids does the cell membrane have?

Biology
2 answers:
guapka [62]4 years ago
7 0
It has two layers.
Hope I could help :)
Rainbow [258]4 years ago
4 0
Two layers<span>The structure is called a "lipid bi-layer" because it is composed of two layers of fat cells organized in two sheets. The lipid bi-layer is typically about five nano meters thick and surrounds all cells providing the cell membrane structure.</span>
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Answer:

a. a plant cell undergoing cytokinesis

Explanation:

Cytokinesis is the process where the cytoplasm divides after mitosis to form two different daughter cells from the parent cell. Animal cell divides by just a cleavage formation. Plant cells have an additional step of formation of cell plate because they have cell wall.

At the end of anaphase and beginning of telophase when the two new daughter nuclei have just formed, cell plat formation begins. Secretory vesicles from golgi body come at equator of the dividing parent cell. These vesicles release all the materials required for cell wall formation. The materials start to form the cell plate which moves outwards till it reaches the division site of parent cell wall. Slowly cell wall arises from cell plate and cytokinesis occurs giving rise to new plant cells.

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3 years ago
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In general terms, bacteria thrive at warm temperatures; this means bacterial growth is lower at extremely hot/cold temperatures, but it is higher at warm or medium temperatures. Indeed, the ideal temperature for bacteria to develop and reproduce is between 4° C and 60°C. This implies from the options given the roast at 52°C represents an ideal temperature for the growth of bacteria. Also, other options include temperatures above 60°C, and therefore do not allow bacteria to grow well.

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