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scoray [572]
3 years ago
13

Mutations and DNA replication errors can alter base sequences, thereby potentially creating or eliminating recognition sites. Gr

oup of answer choices True False
Biology
1 answer:
bezimeni [28]3 years ago
6 0

Answer:

The given statement is true.

Explanation:

An error at the time of the replication of DNA or mutation can either result in the addition or deletion of DNA bases that eventually makes a substantial change in the sequence of DNA, and thus, will exhibit a substantial influence on the recognition sequence because of which one can witness a change in the site of recognition.  

This variation witnessed in the DNA's recognition site can be evaluated by treating the mutated DNA with the restriction enzymes that exhibit a uniqueness for the restriction sites. Afterward, by going through the process of gel electrophoresis one can witness the change in the number of bands of DNA showing variation in the restriction sites.  

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What is produced and released when glucose and fructose combine to form sucrose?
Mrrafil [7]
A water molecule (H2O)  is produced and released. both glucose and fructose is a monosaccharide, when 2 combined together, a disaccharide is formed. this process is called condensation, and it releases an extra water molecule because the water molecule is removed. 
when those 2 splits up, it will use up that extra water molecule, and that process is called hydrolysis. 
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3 years ago
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The parents of a child with cystic fibrosis ask the nurse to explain the sweat test performed on their newborn. how should the n
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The nurse should explain to the parent that the sweat test is performed in order to measure the concentration of salt in the child's sweat. Cystic fibrosis is an autosomal recessive disorder which involves the secretion of fluids in specifics exocrine glands.
3 0
3 years ago
In rabbits, black fur (B) is dominant to white fur (b) A purebred black furred male is bred with a female that had the recessive
Ronch [10]

Answer:

BB x bb

Bb

Bb

Explanation: When a purebred dominant trait is bred with a purebred recessive trait then the offspring will always have the dominant and recessive trait.

4 0
3 years ago
Genes for blood-clotting proteins are on the X chromosome. The recessive allele produces a mutated blood clotting protein that r
Rasek [7]

Answer:

Genotype ratio = 1 X^hX : 1 XX : 1 X^hY : 1 XY

Phenotype ratio = 2 normal daughters : 1 affected son : 1 normal son

Explanation:

Given that the father of the woman has hemophilia, the father must have transferred the allele for hemophilia (let us assume "h") to her. This makes the woman carrier for the disease (genotype = X^hX). The genotype of the normal man would be "XY".

A cross between carrier woman and normal man would obtain 2 normal daughters, 1 affected son and 1 normal son.  

Genotype ratio = 1 X^hX : 1 XX : 1 X^hY : 1 XY

Phenotype ratio = 2 normal daughters : 1 affected son : 1 normal son

8 0
4 years ago
The resting membrane potential is primarily due to the differences in concentrations of which ions?
kompoz [17]

The resting membrane potential is primarily due to the differences in concentrations of potassium ions.

The high concentration of potassium ions in the intracellular fluid and the high permeability of the cell membrane to potassium ions in comparison to other ions are the main causes of the resting potential.

The potential across a certain cell membrane at rest is known as the resting membrane potential. It is largely determined by the potassium concentration gradient across the cell membrane or the ratio of ICF to ECF potassium in neuromuscular tissues (such as neurons, heart muscle, and skeletal muscle).

The passage of potassium, sodium, calcium, and chloride across the membrane causes variations in its permeability, which in turn affects the resting membrane potential (RMP). The differential in potentials between intracellular and extracellular areas, is acquired by the membrane once it has become polarised.

To learn more about resting membrane potential, refer from

brainly.com/question/8438145

#SPJ4

8 0
2 years ago
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