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nignag [31]
4 years ago
8

Why are bacteria and archaea placed in seprate kingdoms

Biology
1 answer:
Bogdan [553]4 years ago
5 0
Archaea have more complex RNA polymerases than Bacteria, similar to Eucarya.

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A cell contains a 30% solute concentration and 70% water concentration. If the cell is placed in a
notsponge [240]

Answer:

the cell will lose water

the cell is in a hypertonic solution

Explanation:

The solution is hypertonic while the cell is hypotonic. The cell will lose water to the solution since there are more solutes in the solution compared to the cell. Water moves to solution through osmosis. After osmosis occurs, the condition becomes isotonic.

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What properties you would like to see in an ideal preservative use in foods?
zimovet [89]

Answer:

Preservatives are the chemical substances which are added to the products like pharmaceuticals, paints, biological samples, foods and many other products to prevent the disintegration or rotting mainly caused by the growth of microbes or due to undesirable chemical changes.Preservations are of 2 types i.e. chemical & physical. Chemical preservation means addition of chemical compounds to the products. Physical preservation means process such as  refrigeration & drying. Preservatives aims at decreasing the risk of foodborne infections, reduce microbial spoilage & to improve nutritional quality. Some physical methods used for food preservation include  dehydration, freeze drying, refrigeration & UV-C radiation. Chemical And physical preservation  are sometimes used in the combination.

The advantages of using the food preservatives are:

  1. Decrease the moisture content
  2. Increase the acidity
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  4. Acts as an antioxidant
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Main properties of ideal preservatives :

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  • Preservative must maintain the good compatibility with other ingredients used in the process of developing food
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4 0
3 years ago
What organelle are in red blood cells
diamong [38]

Answer:

endoplasmic reticulum or mitochondria.

Explanation:

I think its that but I really hope this helps

4 0
3 years ago
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What is the difference between sun and moon?
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The sun is a ball of gas and the moon is made of solids. hope it helped if you need more specifics let me know.
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