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In Drosophila, the anterior determinant Bicoid is known to activate expression of the gene hunchback in the anterior half of the embryo. (Bicoid is a transcription factor, which binds to the promoter of the hunchback gene and stimulates transcription.) The gene chapeau is also activated by Bicoid, but requires higher levels of Bicoid to activate its expression than the hunchback gene requires. Where would you predict chapeau mRNA would be observed in a wild-type embryo?
a) Throughout the embryo
b) In the anterior half of the embryo
c) In the anterior quarter of the embryo
d) In the anterior ¾ of the embryo
e) In the posterior half of the embryo
f) In the posterior quarter of the embryo
How is excretion done in fishes? Fishes have a pair of kidneys that filtrate the blood. Bony fishes excrete nitrogen as ammonia, NH 3 , (they are ammoniotelic) and cartilagino
Explain the systemic antibiotic cover The need for systemic antibiotic cover should be considered. The original protocols recommended an antibiotic such as amoxicillin 250 mg
FUNCTION S OF TESTOSTERONE - (a) It stimulates the growth and development of male secondary sex organs like the seminal vesicles, prostate and penis. It also helps to maintain
Write short notes on Urine? The concentrated filtrate produced by the kidney is called urine, and is composed mainly of water, urea, toxins, and mineral salts. Urine from the c
A mother has brought her 2-week-old infant to the emergency department due to the baby's persistent and increasing jaundice. Blood testing reveals that the infant's unconjugated bi
In about 80 per cent of ARF patients, ASO titre is significantly raised. ASO titres vary with age, geographical area and other fevers, which influence frequency of streptococcal in
S h o c k It is defined as a generalized acute reduction in the perfusion of tissues by which there is oxygen deficiency in the cells. It is characterized by reduction in e
characterstics ..
Explain about the Secondary Protein Derivatives? These are the products of further hydrolytic cleavage of the protein molecule, Examples include: a) Proteoses: Soluble in wa
Plasmid is the class of the circular, extrachromosomal, autonomously replicating, DNA elements found in number of bacteria. Contain origins of the replication to ensure their main
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