In a protein molecule, various amino acids are linked together by
(1) b-glycosidic bond
(2) peptide bond
(3) dative bond
(4) a-glycosidic bond
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NEET MCQ Books for XIth & XIIth Physics, Chemistry & BiologyThe correct statement regarding RNA and DNA, respectively is:
1. | The sugar component in RNA is ribose and the sugar component in DNA is 2'- deoxyribose. |
2. | The sugar component in RNA is arabinose and the sugar component in DNA is ribose. |
3. | The sugar component in RNA is 2'-deoxyribose and the sugar component in DNA is arabinose. |
4. | The sugar component in RNA is arabinose and the sugar component in DNA is 2'- deoxyribose. |
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NEET MCQ Books for XIth & XIIth Physics, Chemistry & BiologyA non-reducing sugar among the following is -
1. Lactose
2. Glucose
3. Sucrose
4. Maltose
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NEET MCQ Books for XIth & XIIth Physics, Chemistry & BiologyThe correct corresponding order of names of four aldoses with configuration given below
respectively, is
1. L-erythrose, L-threose, L-erythrose, D-threose
2. D-threose, D-erythrose, L-threose, L-erythrose
3. L-erythrose, L-threose, D-erythrose, D-threose
4. D-erythrose, D-threose, L-erythrose, L-threose
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NEET MCQ Books for XIth & XIIth Physics, Chemistry & BiologyThe central dogma of molecular genetics states that the genetic information flows from
(1) amino acids proteins DNA
(2) DNA carbohydrates proteins
(3) DNA RNA proteins
(4) DNA RNA carbohydrates
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NEET MCQ Books for XIth & XIIth Physics, Chemistry & BiologyThe incorrect statement among the following is:
1. | Insulin maintains the sugar level in the blood of a human body. |
2. | Ovalbumin is a simple food reserve in egg white. |
3. | Blood proteins thrombin and fibrinogen are involved in blood clotting. |
4. | Denaturation makes the proteins more active. |
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NEET MCQ Books for XIth & XIIth Physics, Chemistry & BiologyWhich one of the following compounds show the presence of intramolecular hydrogen bond?
1. H2O2
2. HCN
3. Cellulose
4. Concentrated acetic acid
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NEET MCQ Books for XIth & XIIth Physics, Chemistry & BiologyIn humans, the main oxygen carrier in the blood is -
1. Hemocyanin
2. Proteins
3. Haemoglobin
4. Both microorganisms and haemoglobin.
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NEET MCQ Books for XIth & XIIth Physics, Chemistry & BiologyThe difference between amylose and amylopectin is :
1. | Amylopectin has 1→4 α - linkage and 1→6 α-linkage. |
2. | Amylose has 1→4 α-linkage and 1 → 6 β-linkage. |
3. | Amylopectin has 1 → 4 α-linkage and 1 → 6 β-linkage. |
4. | Amylose is made up of glucose and galactose. |
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NEET MCQ Books for XIth & XIIth Physics, Chemistry & BiologyThe central dogma of molecular genetics states that the genetic information flows from
1. amino acid - proteins - DNA
2. DNA - carbohydrates - proteins
3. DNA - RNA - proteins
4. DNA - RNA - Carbohydrates
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NEET MCQ Books for XIth & XIIth Physics, Chemistry & Biology