Ans.
Memory cells of immune system are present in G0 phase, in which these cells are not activated or responding for a pathogen.
The cell-cycle is defined as the series of events that lead to DNA duplication and division of a cell to form daughter cells. The cell cycle is divided into interphase and M phase.
The interphase includes gap 1 (G 1) phase, S or synthesis phase, and gap 2 (G 2) phase, while M phase includes karyokinesis and cytokinesis.
The cells after M phase either goes for next cell division or G1 phase or for G 0 (gap 0) phase. The G0 phase is resting phase, in which cells show a quiescent state.
As memory cells are present in resting phase, till the next exposure of same antigen, these cells are in G0 phase of cell cycle.
Answer:
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Explanation:
And when is fire suppression appropriate? Experts in favor of letting natural forest fires burn unchecked argue that fire suppression disrupts the natural forest cycle and endangers the livelihoods of people who depend on the forest, and the wellbeing of the plants and animals living there.
They are a cacti that suffers pressure from drought (no water or dry land) and other animals. Animals such as mammals try to find and get water for the cacti so that they can survive.
Answer:
In the cytoplasmic lipid droplets called adiposomes.
Explanation:
Triacylglycerols are the simple type of lipid consisting of three long-chain fatty acids combined with a glycerol backbone. In animals, the store of triacylglycerol is the adipose tissue and they are stored as adiposomes which are cytoplasmic lipid droplets. These droplets are encloses by a layer of phospholipid and protein, the protein gives it the hydrophobic barrier. The blood contains little amount of triacylglycerols. They serves as a major component of very low density lipoproteins and gives energy. Triacylglycerols are formed by the action of lipases on dietary fats.
Answer:
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Explanation:
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