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Budding as normal mode of asexual reproduction occurs in:
Which of the following anemia types is an example of a genetic disorder?
The purpose of the soft palate is to __________________.
The parent stock of wheat crop responsible for green revolution in India was imported from
One of the plants introduced from old world to the new world of
Goitre can occur as a consequence of all the following except
Hormones thyroxine and adrenaline and pigment melanin formed from
Hormones are protein in nature. They have a very crucual role in the metabolism and other biological functions of the body. Based on their nude of action, hormones are classified into endocrine and exocrine hormones.
Thyroxine is synthesized by the iodification of tyrosine.
Adrenaline is also synthesized from tyrosine with levodopa, dopamine and norepinephrine as intermediates.
Melanin is synthesized from tyrosine with DOPA, DOPA quinone, DOPA chrome as intermediates.
So, the correct answer is option C. Tyrosine.
The enzymes which are commonly used in genetic engineering are
Patients suffering from alkaptonuria have an abnormal compound in urine known as :
In a plant, red fruit (R) is dominant over yellow fruit (r) and tallness (T) dominant over shortness (t). A plant (T) dominant genotype is crossed with plant of rrtt genotype. The progeny is
The bone attached to the inner surface of the eardrum is called
Deficiency of vatimn A in the body results in insufficent rhodopsin in the rods which leads to
Difference between male and female Anopheles occurs in
The swift locomotion in Sepia and Octopus is effected by:
A person who studies about the origin, evolution, variation and classification of plants, is referred as
Which one controls flowering in long day plants and sex expression in certain species?
In which one of the following pathogens do the cells of promycelium after the germination of teleutospore produce infection hyphae instead of basidiospores?
Nitrogen oxides formed during emission from automobiles and power plants are a source of fine air partilces which lead to
Which cell of Leucosolenia sponge is self replicating and capable of giving rise to other cells
A poison that destroys carbonic anhydrase will cause death from
Number of fertilized eggs in ootheca of Cockroach is
In biological terminology, a group similar organisms which are actually or potentially capable of successful interbreeding with the production of fertile offspring is generally referred to as -
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