Related Questions

Enzymes (a protein) are catalysts found in organisms. Its efficiency of catalysing a reaction is due to its capacity to lower the activation energy of the reaction. The enzyme ptyalin used for food digestion is present in
A Blood
B Saliva
C Intestine
D Gland
Sentence Correction: Choose the answer that should replace the quotation part. In addition to having more protein than wheat does, "the protein in rice is higher quality than that in" wheat, with more of the amino acids essential to the human diet.
A the protein in rice is of higher quality than that of
B rice has protein of higher quality than that in
C the protein in rice is higher in quality than it is in
D rice protein in rice is higher in quality than it is in
In addition to having more protein than wheat does , "the protein in rise is higher quality than that in" wheat with more of the amino acids essential to the human diet.
A the protein in rise is higher quality than that in
B rice has protein of higher quality than that in
C the protein in rice is higher in quality than it is in
D rice protein is higher in quality than it is in
A bird under controlled diet is fed daily 300 grams of a mixture of two foods: food A and food B. Food A contains 10% protein and food B contains 15% proten. If the bird's diet provides exactly 38 grams of protein daily, how many grams of food A are there in the mixture?
A 100
B 140
C 150
D 160
A bird under controlled diet is fed daily 300 grams of a mixture of two foods; food A and food B, Food A contains 10% protein and food B contains 15% proten. If the bird's diet provides exactly 38 grams of protein daily. how many grams of food A are there in the mixture?
A 100
B 140
C 150
D 160
কোন বিক্রিয়ায় সক্রিয়ন শক্তি ( activation energy) যত বেশি হবে সে বিক্রিয়ার গতি তত-
A কম হবে
B বেশি হবে
C বিক্রিয়ার গতি সক্রিয়ন শক্তির উপর নির্ভর করে না
D কোনটিই নয়
Platelet activation is caused by
A Collagen fibers
B ADP
C Epinephrine
D Thromboplastin
E Prthrombin
The following processes are brought about by activation of parasympathetic nerve fibers
A Defaecation
B Micturition
C Sweating
D Ejaculation of semen
E Dilatation of pupil
Hormones that act by activation of gene include
A Aldosterone
B Thyroid hormones
C Calcitriol
D Glucagon
E Insulin
Characteristic features of T-cell independent activation of B cells
A No memory cells are produced
B Capsulated bacteria may cause such activation
C Class switching does not occur
D Antigen is usually multivalent polypeptide
E All classes of immunoglobulins are produced

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