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JulijaS [17]
3 years ago
5

A mother and father have a young daughter who was diagnosed with lesch-nyhan syndrome. no one in the father\'s family was ever d

iagnosed with the syndrome. the mother\'s maternal grandfather was diagnosed with lesch-nyhan syndrome, but neither one of her parents was diagnosed with the condition. select all the descriptions that could explain how their daughter inherited lesch-nyhan syndrome.
Biology
1 answer:
solmaris [256]3 years ago
7 0
The body is composed of several lymph nodes located in different regions. Half of the lymph nodes of the body are found in the abdomen area. The neck also contains high concentrations of lymph nodes. These are areas that have high concentrations of lymph nodes because they respond to certain levels of stress within the body when it is not in homeostasis.
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4. A polypeptide has the following amino acid sequence: Met-Ser-Pro-Arg-Leu-Glu-Gly In the mutant below, indicate the type of mu
MatroZZZ [7]

Answer:

4. c. Deletion/ frameshift mutation

5. a. Tyr Tyr Asp Ser Gly

6. A frameshift occurred which altered the identity of the amino acids following the initiator 6. methionine, but not the length of protein Q.

Explanation:

4)

A single base pair at the first position of the Arg codon i.e. CGA has been deleted. Due to the deletion, the reading frame has shifted one nucleotide backwards, altering the amino acid sequence of the protein.

5)

The genomic DNA sequence is 5'-ATG ATA CTA AGG CCC-3'. Therefore, the complementary mRNA will be 5'-UAC UAU GAU UCC GGG-3'. According to the genetic code, this mRNA sequence encodes the following amino acid sequence: Tyr Tyr Asp Ser Gly

6)

The wild type DNA sequence is:

5'-ACUGUAAUGGAGUCAGAUGAUGCAUUAAGGAGAAAUUGAAAUAAA-3'

The mutant i.e. mRNA with the added G will be

5' ACUGUAAUGGGAGUCAGAUGAUGCAUUAAGGAGAAAUUGAAAUAAA-3'  

This is a single base pair insertion and frameshift mutation that shifts the reading frame one base pair forwards. The codon that was originally GAG coding for glutamic acid (Glu) gets converted to GGA that codes for glycine. Therefore, the amino acid sequence has been altered but the polypeptide chain will still have 13 amino acids.

6 0
3 years ago
____ is required to start a chemical reaction.
Alexxx [7]
Activation energy is required to start a chemical reaction. Activation energy is the energy needed to allow the reactant to react. Activation energy is measured in Joules (J).
5 0
3 years ago
Mr. Zee is prescribed an inhaled nasal steroid to relieve his symptoms associated with seasonal allergies. What is true about in
Lelu [443]

Answer:

The provided question is incomplete as there is no option available however the generalized answer would be -

The correct answer would be - For treating the global symptoms related to the allergies, it is known as that the inhaled nasal steroids are far more effective than oral medications.

Explanation:

Nasal steroids are the steroids that relieve congestion problems by decreasing the inflammation in the nose of an individual. These are then inhaled by the nose which directly sprays into nasal passages.

In comparatively the oral steroids take time to show their impact on the individual and even the impact is considered not as effective as the inhaled nasal sprays.

Thus, the correct answer is - For treating the global symptoms related to the allergies, it is known that inhaled nasal steroids are far more effective than oral medications.

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3 years ago
A structure formed from molecules that combine to make up cells
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A structure formed from molecules that combine to make up cells is called an atom.

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3 years ago
Birds have tetrachromacy, which is the presence of four types of cone cells. According to this information, which statement is t
creativ13 [48]
Birds have great vision and can see throughout night and day
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2 years ago
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