Answer
Verified
429.9k+ views
Hint: Tyrosine is a non-essential amino acid having a polar side group. UAC and UAU are the codons for tyrosine in messenger RNA. Synthesis of tyrosine in mammals is done from an essential amino acid, phenylalanine. Let us know more about it to find the correct answer.
Complete answer:
So tyrosine or L-Tyrosine (4-hydroxyphenylalanine) is one of the 20 standard amino acids used by cells for protein synthesis.
It is a non-essential amino acid synthesis from phenylalanine in mammals.
Tyrosine (tyr) is produced via prephenate ( a shikimate pathway intermediate) in plants and microorganisms.
Chicken, milk, yoghurt, fish, cheese, almonds, peanuts, lima beans , soy products,etc; are some of the high-protein food products in which tyrosine is found. It is also found in bananas and avocados.
Apart from being a proteinogenic amino acid, it has some other significant functions also.
It has its role in signal transduction processes. It occurs in proteins that are part of the signal transduction pathway, where it acts as a receiver of protein groups transferred by protein kinases.
An important role in photosynthesis is also played by tyrosine residue.
To talk of its metabolism, it is a precursor to many hormones, pigments, and alkaloids. Some to which tyrosine acts as precursor are-
Precursor to neurotransmitters and hormones such as epinephrine, norepinephrine, thyroxine.
Precursor to alkaloids such as alkaloid morphine.
Precursor to pigments such as melanin.
Calcitonin hormone is produced by parafollicular cells of the thyroid gland in humans. It helps to regulate calcium and phosphate levels in blood. It has antagonistic effects to that of parathyroid hormone. Tyrosine is not required as a precursor for its synthesis.
Thus based on the above discussion, the correct answer is (A)- Calcitonin.
Note:
Autosomal recessive disorders result from specific enzymes deficiencies in the tyrosine catabolic pathway. A number of studies suggest that tyrosine is useful in stress conditions, cold, sleep deprivation and prolonged work, with reductions in stress hormone levels.
Complete answer:
So tyrosine or L-Tyrosine (4-hydroxyphenylalanine) is one of the 20 standard amino acids used by cells for protein synthesis.
It is a non-essential amino acid synthesis from phenylalanine in mammals.
Tyrosine (tyr) is produced via prephenate ( a shikimate pathway intermediate) in plants and microorganisms.
Chicken, milk, yoghurt, fish, cheese, almonds, peanuts, lima beans , soy products,etc; are some of the high-protein food products in which tyrosine is found. It is also found in bananas and avocados.
Apart from being a proteinogenic amino acid, it has some other significant functions also.
It has its role in signal transduction processes. It occurs in proteins that are part of the signal transduction pathway, where it acts as a receiver of protein groups transferred by protein kinases.
An important role in photosynthesis is also played by tyrosine residue.
To talk of its metabolism, it is a precursor to many hormones, pigments, and alkaloids. Some to which tyrosine acts as precursor are-
Precursor to neurotransmitters and hormones such as epinephrine, norepinephrine, thyroxine.
Precursor to alkaloids such as alkaloid morphine.
Precursor to pigments such as melanin.
Calcitonin hormone is produced by parafollicular cells of the thyroid gland in humans. It helps to regulate calcium and phosphate levels in blood. It has antagonistic effects to that of parathyroid hormone. Tyrosine is not required as a precursor for its synthesis.
Thus based on the above discussion, the correct answer is (A)- Calcitonin.
Note:
Autosomal recessive disorders result from specific enzymes deficiencies in the tyrosine catabolic pathway. A number of studies suggest that tyrosine is useful in stress conditions, cold, sleep deprivation and prolonged work, with reductions in stress hormone levels.
Recently Updated Pages
How many sigma and pi bonds are present in HCequiv class 11 chemistry CBSE
Mark and label the given geoinformation on the outline class 11 social science CBSE
When people say No pun intended what does that mea class 8 english CBSE
Name the states which share their boundary with Indias class 9 social science CBSE
Give an account of the Northern Plains of India class 9 social science CBSE
Change the following sentences into negative and interrogative class 10 english CBSE
Trending doubts
Which are the Top 10 Largest Countries of the World?
Difference between Prokaryotic cell and Eukaryotic class 11 biology CBSE
Fill the blanks with the suitable prepositions 1 The class 9 english CBSE
Difference Between Plant Cell and Animal Cell
Give 10 examples for herbs , shrubs , climbers , creepers
Differentiate between homogeneous and heterogeneous class 12 chemistry CBSE
The Equation xxx + 2 is Satisfied when x is Equal to Class 10 Maths
How do you graph the function fx 4x class 9 maths CBSE
Write a letter to the principal requesting him to grant class 10 english CBSE