Stomatal transpiration is __________ of total transpiration
Stomatal transpiration is __________ of total transpiration
A. 90%
B. 91%
C. 93%
D. 95%
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Which of the following statement is incorrect about Glyoxisomes?
Which of the following statement is incorrect about Glyoxisomes?
A. They contain enzymes which help in conversion of fatty acids into carbohydrate
B. They are abundant in soyabeans but absent in pea.
C. They are present through out life of a plant and provide them whth energy through Glyoxylate cycle.
D. They are signle membranous organellesWhich one of the following remove nucleotides from the ends of DNA or RNA?
Which one of the following remove nucleotides from the ends of DNA or RNA?A. Endonuclease
B. Exonuclease
C. S 1 nuclease
D. DeoxyribonucleaseExonucleases remove nucleotides from the terminal ends (either 5′ or 3′) of DNA of one strand of duplex. Endonucleases make cut at specific position within the DNA. DNA lagases are known as joining or sealing enzymes.
Which of the following is most toxic?
Which of the following is most toxic?
A. Ammonia
B. Urea
C. Uric acid
D. Trimethylamine oxide_________ stimulates the production of gastric juice in the stomach:
_________ stimulates the production of gastric juice in the stomach:A. Gastrin
B. Enterokinase
C. Rennin
D. None of theseBiological molecules (proteins) which catalyze a biochemical reaction and remain unchanged after completion of reaction are called_____________________?
Biological molecules (proteins) which catalyze a biochemical reaction and remain unchanged after completion of reaction are called_____________________?
A. Cofactor
B. Coenzymes
C. Activator
D. EnzymesSickle cell anemia is an example of_________________?
Sickle cell anemia is an example of_________________?
A. Chromosomal aberration
B. Insertion of gene
C. Deletion of gene
D. Point mutation