1561. Bile acids are formed from :

A. Cholesterol *
B. Aminoacids
C. Bilirubin
D. Lipproteins

1562. Normal blood bilirubin level is :

A. 0.5- 1 MG% *
B. 1-3 mg%
C. 3-4 mg%
D. 4-5.5mg%

1563. Which of the following is precursor of adrenaline and throxine synthesis ?

A. Phenyl alanine
B. Tyrosine *
C. Tryptophan
D. None of the above

1564. The immediate precursor of norepinephrine is :

A. Epinephrine
B. Tyrosine
C. Dopamine *
D. Phenylalanine

1565. The precursor of testosterone is :

A. Aldosterone
B. Methyl testosterone
C. Estrogen
D. Pregnenolone *

1566. Genes are :

A. Ribonucleic acid
B. Deoxy ribonucleic acid *
C. Lipproteins
D. Chromo proteins

1567. Which of the organelles contains DNA?

A. Nucleus *
B. Nucleous
C. Golgi apparatus
D. Ribosomes

1568. Cell membrane consists of :

A. Lipids and proteins *
B. Lipids only
C. Protein only
D. None of the above

1569. The main function of mitochondria is :

A. Protein synthesis
B. Oxidation
C. Electron transfer *
D. Fat synthesis

1570. Detoxification or protective sythesis occurs by :

A. Oxidation
B. Reduction
C. Conjugation
D. All of these *