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Maurinko [17]
3 years ago
7

A space that contains no matter is called a(n)

Biology
2 answers:
Molodets [167]3 years ago
8 0

Answer:

The asnwer is  B.) Vacuum

Explanation:

Matter is anything that has mass and takes up space. By definition, a vacuum is a region that does not contain any matter.

irina [24]3 years ago
3 0
It’s uh.... uh... i think it’s air
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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.  

2. Gain in mutation: In this case, the person gain an increase in mRNA expression of the lactase gene, thus more production of lactase takes place than usual. This kind of individual exhibits lactase persistent phenotype.  


5 0
3 years ago
The ____ contains hydrolytic enzymes for the digestion of proteins, lipids, nucleic acids, and polysaccharides.
NeX [460]

Answer: Lysosome

Explanation:

The lysosome is an organelle found in cells of eukaryotes.

Its functions include:

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II) it also digest worn out organelles, and engulfed viruses and bacteria.

III) and helps to remove wastes from the cell.

4 0
3 years ago
Why are fungi unable to live in dry areas?
mezya [45]
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Which statement best explains why correct protein folding is critical in the transmembrane protein shown above?
amid [387]

The statement 'interactions of the hydrophobic and hydrophilic amino acids help to anchor the protein in the membrane' explains why protein folding is critical. This process is fundamental for the function of transmembrane proteins.

Protein folding refers to the process by which a polypeptide (i.e., a protein) adopts its final tridimensional 3D shape (conformation).

In a protein, some amino acids contain hydrophilic R groups, whereas other amino acids contain hydrophobic R groups.

During protein folding, hydrophobic amino acids are arranged so they can interact with the long chains of the fatty acids in the internal region of the lipid bilayer, whereas hydrophilic amino acids are arranged so they interact with water on the surface of the cell membrane.

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brainly.com/question/15823799?referrer=searchResults

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cling film

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