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deff fn [24]
3 years ago
12

Many different types of mutations can occur within the body. Tay-Sachs disease is a deadly disorder that is caused by a missing

codon in the gene coding for production of the hex A enzyme in the body. Which type of mutation is responsible for causing Tay-Sachs disease?
Biology
2 answers:
Eduardwww [97]3 years ago
6 0
Deletion- the fact that a codon is missing implies that the nucleotides were deleted.
laiz [17]3 years ago
6 0

Answer:

Deletion mutation is responsible for Tay-Sachs disease.

Explanation:

Deletion mutation may be defined as the loss  of a sequence of a nucleotide base or entire deletion of chromosome at the time of DNA replication.

Tay Sachs disease is an autosomal recessive disorder and damages the central nervous system of the body. The alpha sub-unit of Hex A gene codes for the enzyme hexosaaminidase  has been lost in the Tay Sachs disease.

Thus, the deletion mutation is responsible for the Tay Sachs disease.

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Explain how water's cohesive and adhesive properties are a result of its bonding among the atoms
vladimir1956 [14]

Water is a unique molecule which contains inter-molecular forces like vandar wall's forces and hydrogen bonding that results in extremely strong bonding forces among water molecules.

Cohesion and adhesion are the properties of water which refer to the fact that water molecules are not only very strongly attracted to water molecules but also to other polar molecules of any type.

This is the cohesive nature of the water which makes water a water drop and it is the adhesive nature of water due to which water takes the shape and available space in a glass or jar of water .

How these properties are a result of bonding between atoms?

Cohesive properties:

  • We are well aware of the fact that water is composed of one atom of oxygen and two atoms of Hydrogen.
  • The two hydrogen atoms align themselves in such a way that oxygen is in middle of them. Due to great electronegativity difference Oxygen gets a partial negative charge while Hydrogen atoms get partial positive charges.
  • Now one oxygen atom of one one water molecule attracts the partial positive charged hydrogen atom of another water molecule, and this attraction causes the bonding. This type of inter-molecular forces of atom gives water cohesive properties.

Adhesive properties:

  • If we talk about adhesive properties through which water is attracted to other materials of polar nature, these adhesive properties are also due to same nature of bonding.
  • Any polar compounds can easily get bonded with water due to polar nature of water molecules. You can see the attached figure for better understanding of bonding properties of water.

Hope it help!


6 0
3 years ago
In a membrane, the________of the phospholipids in one monolayer face the________of the phospholipids in the other monolayer.
matrenka [14]

In a membrane, the tail of the phospholipids in one monolayer face the tail of the phospholipids in the other monolayer.

<h3>What is cell membrane?</h3>
  • The cell membrane is a biological membrane that separates and protects the inside of all cells from the outside environment.
  • It is also known as the plasma membrane (PM), cytoplasmic membrane or plasmalemma (extracellular space).
  • The cell membrane consists of a lipid bilayer, which is made up of two layers of phospholipids interwoven with cholesterol (a lipid component) to maintain  proper membrane fluidity  at different temperatures.
  • Furthermore, membranes are composed of membrane proteins, such as those that cannot be separated across the membrane and function as membrane transporters, and peripheral proteins that simply attach to the  outer membrane of the cell and function as membrane transporters. enzymes to help the cell interact with its environment.
  • The integrated glycolipids of the outer lipid layer perform a similar function.

To learn more about the membrane, refer to the following link:

brainly.com/question/1768729

#SPJ4

3 0
1 year ago
Which the most inclusive taxonomic grouping a)order b) species c) genus d) kingdom
zimovet [89]

The correct answer is d) kingdom.

Taxonomy is the branch of biology which deals in categorizing and naming of species. The modern taxonomic classification system consists of the eight taxonomic groups. These are Domain, Kingdom, Phylum, Class, Order, Family, Genus, and Species. The domain is the most inclusive of the all taxonomic groups and species is the least inclusive.  It is because every different species has a unique features. In this question domain is not in the option, thus Kingdom is the correct answer As it includes different Phylum, Class, Order, Family, Genus, and Species.

3 0
3 years ago
Read 2 more answers
How about this question? its biologoy
EastWind [94]

Answer:

I don't see anything listed, provide an image or equation

Explanation:

3 0
2 years ago
The nitrogen cycle could not exsist without
IRISSAK [1]

Answer:

The nitrogen cycle could not exist without first nitrogen. The cycle is about this specific element which goes to show that if this element is not present then, there will not be any nitrogen cycle. Also, an important factor for the cycle is the presence of the bacteria and other microorganism which are needed for the fixation.

3 0
3 years ago
Read 2 more answers
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