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Svetradugi [14.3K]
3 years ago
8

What part of the city has a similar job to the cell membrane ?

Biology
1 answer:
erica [24]3 years ago
8 0
City limits/police department because it controls what goes in and out of the cell. City limits control what is in and out of the city
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A newly discovered unicellular organism isolated from acidic mine drainage is found to contain a cell wall, a plasma membrane, t
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3 years ago
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What would be the effect of a mutation in the coding region of the lactase gene?
Fynjy0 [20]

Lactase refers to an enzyme that can dissociate lactose sugar into glucose and galactose. This enzyme plays an important role in the digestion of milk that comprises high lactose sugar. In case, if a mutation occurs in the gene codon of lactase, then two possibilities can take place. These are as follows:  

1. Loss of mutation: In this case, the person becomes lactose intolerant because of mutation in lactase gene codon. Due to this, there is low mRNA expression and thus low production of the enzyme lactase. This is also known as lactase non-persistent phenotype.  

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5 0
3 years ago
Soils contain small or trace amounts of many minerals, including the chemical elements phosphorus, calcium, potassium, magnesium
serg [7]

Answer:

Magnesium, calcium, phosphorous, sulfur these are essential nutrients for plants. These are required in trace quantity but are very important for plant life. Point A. will be correct answer.

Explanation:

As in B. starch n cellulose are composed of only carbon, oxygen and hydrogen.

As in C. These elements are not required on special occasion but are necessary throughout plant life.

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<u><em>So answer A. Is the correct option.</em></u>

Calcium plays the most important role in structure formation of plants. Also act as messenger molecule in signaling. Deficiency  of calcium caused wilting , weakened stem and ultimately death of plant.

Magnesium is the key element in chlorophyll molecule. It is necessary for chlorophyll formation.

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Phosphorous plays an important role in  process of cell devision , photosynthesis and respiration.

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3 0
2 years ago
Please help!! i need to know asap
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A: Population
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What are the benefits of genetic resources
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