Abnormal chain of aminoacids in sickle cell anemia is (A) β-chain (B) β-chain (C) γ-chain (D) r-chain

Abnormal chain of aminoacids in sickle cell anemia is (A) β-chain (B) β-chain (C) γ-chain (D) r-chain
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Answer : B
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Abnormal chain of amino acids in sickle cell anaemia is (A) Alpha chain (B) Beta chain (C) Delta chain (D) Gama chain

Description : Abnormal chain of amino acids in sickle cell anaemia is (A) Alpha chain (B) Beta chain (C) Delta chain (D) Gama chain

Last Answer : Answer : B

Abnormal chain of amino acids in sickle cells anaemia is (A) Alpha chain (B) Beta chain (C) Gama chain (D) Delta chain

Description : Abnormal chain of amino acids in sickle cells anaemia is (A) Alpha chain (B) Beta chain (C) Gama chain (D) Delta chain

Last Answer : Answer : B

Sickle cell anemia is caused a) When valine is replaced by glutamic acid in beta polypeptide chain b) When glutamic acid is replaced by valine in beta polypeptide chain c) When glutamic acid is replaced by valine in alpha polypeptide chain d) When valine is replaced by glutamic acid in alpha polypeptide chain

Description : Sickle cell anemia is caused a) When valine is replaced by glutamic acid in beta polypeptide chain b) When glutamic acid is replaced by valine in beta polypeptide chain c) When ... valine in alpha polypeptide chain d) When valine is replaced by glutamic acid in alpha polypeptide chain

Last Answer : b) When glutamic acid is replaced by valine in beta polypeptide chain

Thalassemia and sickle cell anemia are caused due to a problem in globin molecule synthesis. Select the correct statement : (1) Both are due to a quantitative defect in globin chain synthesis (2) Thalassemia is due to less synthesis of globin molecules (3) Sickel cell anemia is due to a quantitative problem of globin molecules (4) Both are due to a qualitative defect in globin chain synthesis

Description : Thalassemia and sickle cell anemia are caused due to a problem in globin molecule synthesis. Select the correct statement : (1) Both are due to a quantitative defect in globin chain synthesis (2 ... problem of globin molecules (4) Both are due to a qualitative defect in globin chain synthesis

Last Answer : (2) Thalassemia is due to less synthesis of globin molecules

The absorption of iron is increased 2–10 times of normal in (A) Iron deficiency anemia (B) Pregnancy (C) Spherocytosis (D) Sickle cell anemia

Description : The absorption of iron is increased 2–10 times of normal in (A) Iron deficiency anemia (B) Pregnancy (C) Spherocytosis (D) Sickle cell anemia

Last Answer : Answer : A

An increased serum iron and decreased iron binding capacity is found in (A) Fe deficiency anemia (B) Sideroblastic anemia (C) Folate deficiency anemia (D) Sickle cell anemia

Description : An increased serum iron and decreased iron binding capacity is found in (A) Fe deficiency anemia (B) Sideroblastic anemia (C) Folate deficiency anemia (D) Sickle cell anemia

Last Answer : Answer : B

Is sickle cell anemia incomplete dominance? -Biology

Description : Is sickle cell anemia incomplete dominance? -Biology

Last Answer : answer:

Is sickle cell anemia incomplete dominance? -Biology

Description : Is sickle cell anemia incomplete dominance? -Biology

Last Answer : answer:

Sickle cell anemia?

Description : Sickle cell anemia?

Last Answer : DefinitionSickle cell anemia is a disease passed down through families in which red blood cells form an abnormal crescent shape. (Red blood cells are normally shaped like a disc.)Alternative NamesAnemia ... also clog more easily in small blood vessels, and break into pieces that disrupt healthy bloo

What is sickle cell Anemia ?

Description : What is sickle cell Anemia ?

Last Answer : In this genetic disorder, the human RBCs loose their characteristic biconvex shape and distort to form a sickle like shape. This reduces the oxygen carrying capacity of these cells thereby, raising a fatal condition for the humans.

Sickle-cell anemia is a disease caused due to the abnormality in – (1) white blood cells (2) red blood cells (3) thrombocytes (4) blood plasma composition

Description : Sickle-cell anemia is a disease caused due to the abnormality in – (1) white blood cells (2) red blood cells (3) thrombocytes (4) blood plasma composition

Last Answer : (2) red blood cells Explanation: Sickle cell anemia (sickle cell disease) is a disorder of the blood caused by an inherited abnormal hemoglobin (the oxygencarrying protein within the red blood cells).

Of the following hemolytic anemias, which is categorized as inherited? a) Sickle cell anemia Glucose 6-phosphate dehydrogenase deficiency is an inherited abnormality resulting in hemolytic anemia. b) Autoimmune hemolytic anemia Autoimmune hemolytic anemia is an acquired anemia. c) Cold agglutinin disease Cold agglutinin disease is an acquired anemia. d) Hypersplenism Hypersplenism results in an acquired hemolytic anemia.

Description : Of the following hemolytic anemias, which is categorized as inherited? a) Sickle cell anemia Glucose 6-phosphate dehydrogenase deficiency is an inherited abnormality resulting in hemolytic anemia. b ... is an acquired anemia. d) Hypersplenism Hypersplenism results in an acquired hemolytic anemia.

Last Answer : a) Sickle cell anemia Glucose 6-phosphate dehydrogenase deficiency is an inherited abnormality resulting in hemolytic anemia.

Which of the statements give below is correct with respect to frameshift mutation a) a single nucleotide base change, insertion, or deletion of the genetic material b) Glutamine is replaced by valine c) Sickle cell anemia is an example d) insertions or deletions of a number of nucleotides in a DNA sequence that is not divisible by three.

Description : Which of the statements give below is correct with respect to frameshift mutation a) a single nucleotide base change, insertion, or deletion of the genetic material b) Glutamine is replaced by valine c) ... or deletions of a number of nucleotides in a DNA sequence that is not divisible by three.

Last Answer : d) insertions or deletions of a number of nucleotides in a DNA sequence that is not divisible by three.

Which of the following is also called "cancer of the blood" -- an uncontrolled, greatly accelerated production of white cells. Is it: a) polycythemia b) leukemia c) sickle-cell anemia d) none of these

Description : Which of the following is also called "cancer of the blood" -- an uncontrolled, greatly accelerated production of white cells. Is it: a) polycythemia b) leukemia c) sickle-cell anemia d) none of these

Last Answer : ANSWER: B -- LEUKEMIA

Sickle cell anemia and Huntington's chorea are both: a) virus-related diseases b) bacteria-related diseases c) congenital disorders d) none of the above

Description : Sickle cell anemia and Huntington's chorea are both: a) virus-related diseases b) bacteria-related diseases c) congenital disorders d) none of the above

Last Answer : ANSWER: C -- Congenital Disorders

This abnormal metabolite may be responsible for the neurological manifestation of pernicious anemia. (A) Taurine (B) Methyl malonic acid (C) Xanthurenic acid (D) Phenyl pyruvic acid

Description : This abnormal metabolite may be responsible for the neurological manifestation of pernicious anemia. (A) Taurine (B) Methyl malonic acid (C) Xanthurenic acid (D) Phenyl pyruvic acid

Last Answer : Answer : B

This abnormal metabolite may be responsible for the neurological manifestation of pernicious anemia: (A) Taurine (B) Methyl malonic acid (C) Xantherunic acid (D) Phenyl pyruvic acid

Description : This abnormal metabolite may be responsible for the neurological manifestation of pernicious anemia: (A) Taurine (B) Methyl malonic acid (C) Xantherunic acid (D) Phenyl pyruvic acid

Last Answer : Answer : A

The mammalian DNA polymerase involved in error correction is (A) DNA polymerase α (B) DNA polymerase β (C) DNA polymerase γ (D) DNA polymerase δ

Description : The mammalian DNA polymerase involved in error correction is (A) DNA polymerase α (B) DNA polymerase β (C) DNA polymerase γ (D) DNA polymerase δ

Last Answer : Answer : B

Replication of nuclear DNA in mammals is catalysed by (A) DNA polymerase α (B) DNA polymerase β (C) DNA polymerase γ (D) DNA polymerase III

Description : Replication of nuclear DNA in mammals is catalysed by (A) DNA polymerase α (B) DNA polymerase β (C) DNA polymerase γ (D) DNA polymerase III

Last Answer : Answer : A

The immediate parent of α, β and γ endorphins is (A) Pro-opiomelanocortin (B) β-lipotropin (C) ATCH (D) Lipoprotein

Description : The immediate parent of α, β and γ endorphins is (A) Pro-opiomelanocortin (B) β-lipotropin (C) ATCH (D) Lipoprotein

Last Answer : Answer : B

Insulin receptor is made up of (A) One α-and one β-subunit (B) Two α-and two β-subunit (C) Two, α two β-and two γ-subunit (D) One α, one β-one γ-and one δ-subunit

Description : Insulin receptor is made up of (A) One α-and one β-subunit (B) Two α-and two β-subunit (C) Two, α two β-and two γ-subunit (D) One α, one β-one γ-and one δ-subunit

Last Answer : Answer : B

In the insulin receptor, tyrosine kinase domain is present in (A) α-Subunits (B) β-Subunits (C) γ-Subunits (D) δ-Subunits

Description : In the insulin receptor, tyrosine kinase domain is present in (A) α-Subunits (B) β-Subunits (C) γ-Subunits (D) δ-Subunits

Last Answer : Answer : B

Insulin binding sites are present on the (A) α-subunits of insulin receptor (B) β-subunits of insulin receptor (C) γ-subunits of insulin receptor (D) α-and β−subunits of insulin receptor

Description : Insulin binding sites are present on the (A) α-subunits of insulin receptor (B) β-subunits of insulin receptor (C) γ-subunits of insulin receptor (D) α-and β−subunits of insulin receptor

Last Answer : Answer : A

All of the following can be formed from pro-opiomelanocortin except (A) α-and β-MSH (B) β-and γ-Lipotropins (C) α-and β-Endorphins(D) FSH

Description : All of the following can be formed from pro-opiomelanocortin except (A) α-and β-MSH (B) β-and γ-Lipotropins (C) α-and β-Endorphins(D) FSH

Last Answer : Answer : D

The nucleotide binding site of G-proteins is present on their (A) α-Subunit (B) β-Subunit α- and β- (C) γ-Subunit (D) δ-Subunit

Description : The nucleotide binding site of G-proteins is present on their (A) α-Subunit (B) β-Subunit α- and β- (C) γ-Subunit (D) δ-Subunit

Last Answer : Answer : A

Characteristic absorption bands exhibited by ferrocytochrome: (A) α band (B) β band (C) α and β bands (D) α, β and γ bands

Description : Characteristic absorption bands exhibited by ferrocytochrome: (A) α band (B) β band (C) α and β bands (D) α, β and γ bands

Last Answer : Answer : D

In the blood the vitamin esters are attached to (A) α1-lipoproteins (B) α2-lipoproteins (C) β-lipoproteins (D) γ-lipoproteins

Description : In the blood the vitamin esters are attached to (A) α1-lipoproteins (B) α2-lipoproteins (C) β-lipoproteins (D) γ-lipoproteins

Last Answer : Answer : C

Retinol is transported to the blood as retinol attached to (A) α1-globulin (B) α2-globulin (C) β-globulin (D) γ-globulin

Description : Retinol is transported to the blood as retinol attached to (A) α1-globulin (B) α2-globulin (C) β-globulin (D) γ-globulin

Last Answer : Answer : A

Two molecules of vitamin A can be formed from 1 molecule of (A) α-Carotene (B) β-Carotene (C) γ-Carotene (D) All of these

Description : Two molecules of vitamin A can be formed from 1 molecule of (A) α-Carotene (B) β-Carotene (C) γ-Carotene (D) All of these

Last Answer : Answer : B

Precursor of Vitamin A is (A) α-Carotene (B) β-Carotene (C) γ-Carotene (D) All of these VITAMINS 121

Description : Precursor of Vitamin A is (A) α-Carotene (B) β-Carotene (C) γ-Carotene (D) All of these VITAMINS 121

Last Answer : Answer : D

Vitamin K is a cofactor for (A) Gamma carboxylation of glutamic acid residue (B) β-Oxidation of fatty acid (C) Formation of γ-amino butyrate (D) Synthesis of tryptophan

Description : Vitamin K is a cofactor for (A) Gamma carboxylation of glutamic acid residue (B) β-Oxidation of fatty acid (C) Formation of γ-amino butyrate (D) Synthesis of tryptophan

Last Answer : Answer : A

Amylase present in saliva is (A) α-Amylase (B) β-Amylae (C) γ -Amylase (D) All of these

Description : Amylase present in saliva is (A) α-Amylase (B) β-Amylae (C) γ -Amylase (D) All of these

Last Answer : Answer : A

Instead of ester link plasmalogens possess an other link in position: (A) α (B) β (C) γ (D) None of these FATS AND FATTY ACID METABOLISM 93

Description : Instead of ester link plasmalogens possess an other link in position: (A) α (B) β (C) γ (D) None of these FATS AND FATTY ACID METABOLISM 93

Last Answer : Answer : B

A decrease in albumin with increased production of other unidentified proteins which migrate in β, γ region suggests (A) Cirrhosis of liver (B) Nephrotic syndrome (C) Infection (D) Chronic lymphatic leukemia

Description : A decrease in albumin with increased production of other unidentified proteins which migrate in β, γ region suggests (A) Cirrhosis of liver (B) Nephrotic syndrome (C) Infection (D) Chronic lymphatic leukemia

Last Answer : Answer : A

When haemoglobin takes up oxygen there is a change in the structure due to the moving closer together of (A) β-chains (B) β-chains (C) γ-chains (D) α and γ chains

Description : When haemoglobin takes up oxygen there is a change in the structure due to the moving closer together of (A) β-chains (B) β-chains (C) γ-chains (D) α and γ chains

Last Answer : Answer : A

Foetal haemoglobin contains (A) Two α and two γ chains (B) Two β and two γ chains (C) Both (A) and (B) (D) None of these

Description : Foetal haemoglobin contains (A) Two α and two γ chains (B) Two β and two γ chains (C) Both (A) and (B) (D) None of these

Last Answer : Answer : A

Non-Protein amino acids are (A) Ornithine (B) β-alanine (C) γ-amino butyric acid (D) All of these

Description : Non-Protein amino acids are (A) Ornithine (B) β-alanine (C) γ-amino butyric acid (D) All of these

Last Answer : Answer : A

Which of the following terms refers to an abnormal decrease in white blood cells, red blood cells, and platelets? a) Pancytopenia Pancytopenia may be congenital or acquired. b) Anemia Anemia refers to decreased red cell mass. c) Leukopenia Leukopenia refers to a less-than-normal amount of WBCs in circulation. d) Thrombocytopenia Thrombocytopenia refers to a lower-than-normal platelet count.

Description : Which of the following terms refers to an abnormal decrease in white blood cells, red blood cells, and platelets? a) Pancytopenia Pancytopenia may be congenital or acquired. b) Anemia ... of WBCs in circulation. d) Thrombocytopenia Thrombocytopenia refers to a lower-than-normal platelet count.

Last Answer : a) Pancytopenia Pancytopenia may be congenital or acquired.

Type γ H chain is present in (A) Ig G (B) Ig A (C) Ig M (D) Ig D

Description : Type γ H chain is present in (A) Ig G (B) Ig A (C) Ig M (D) Ig D

Last Answer : Answer : A

Sickle cell anaemia induce to (a) change of amino acid in a-chain of haemoglobin (b) change of amino acid in b-chain of haemoglobin (c) change of amino acid in both a and b chains of haemoglobin (d) change of amino acid either a or b chains of haemoglobin.

Description : Sickle cell anaemia induce to (a) change of amino acid in a-chain of haemoglobin (b) change of amino acid in b-chain of haemoglobin (c) change of amino acid in both a and b chains of haemoglobin (d) change of amino acid either a or b chains of haemoglobin.

Last Answer : (b) change of amino acid in b-chain of haemoglobin

. Sickle-cell anaemia is (a) caused by substitution of valine by glutamic acid in the beta globin chain of haemoglobin (b) caused by a change in a single base pair of DNA (c) characterized by elongated sickle like RBCs with a nucleus (d) an autosomal linked dominant trait.

Description : . Sickle-cell anaemia is (a) caused by substitution of valine by glutamic acid in the beta globin chain of haemoglobin (b) caused by a change in a single base pair of DNA (c) characterized by elongated sickle like RBCs with a nucleus (d) an autosomal linked dominant trait.

Last Answer : (b) caused by a change in a single base pair of DNA

Thalassemia and sickle cell anaemia are caused due to a problem in globin molecule synthesis. Select the correct statement. (a) Both are due to a quantitative defect in globin chain synthesis. (b) Thalassemia is due to less synthesis of globin molecules. (c) Sickle cell anaemia is due to a quantitative problem of globin molecules. (d) Both are due to a qualitative defect in globin chain synthesis.

Description : Thalassemia and sickle cell anaemia are caused due to a problem in globin molecule synthesis. Select the correct statement. (a) Both are due to a quantitative defect in globin chain synthesis. (b ... problem of globin molecules. (d) Both are due to a qualitative defect in globin chain synthesis.

Last Answer : (b) Thalassemia is due to less synthesis of globin molecules

If α, β and γ are coefficients of linear, area l and volume expansion of a solid then

Description : If α, β and γ are coefficients of linear, area l and volume expansion of a solid then

Last Answer : If α, β and γ are coefficients of linear, area l and volume expansion of a solid then (A) α:β:γ 1:3:2 (B) α:β:γ ... C) α:β:γ 2:3:1 (D) α:β:γ 3:1:2

Radiations which is not emitted during radioactivity is – (1) α rays (2) β rays (3) γ rays (4) Cathode rays

Description : Radiations which is not emitted during radioactivity is – (1) α rays (2) β rays (3) γ rays (4) Cathode rays

Last Answer : (4) Cathode rays Explanation: Radioactivity is the process by which a nucleus of an unstable atom loses energy by emitting particles of ionizing radiation. It includes the emission of energetic alpha particles (α), beta particles (β), and gamma rays.

Radioactive elements emit – (1) Radiowaves (2) Infrared waves (3) Ultraviolet waves (4) α, β and γ radiations

Description : Radioactive elements emit – (1) Radiowaves (2) Infrared waves (3) Ultraviolet waves (4) α, β and γ radiations

Last Answer : (4) α, β and γ radiations Explanation: The phenomenon of spontaneous emission of certain kinds of radiations by some elements is called radioactivity and the elements emitting such radiations are called ... the radioactive substances are separated in to three types, called a, b and g rays.

When cathode rays strike a target of high atomic weight, they give rise to – 1) α -rays (2) β and γ rays (3) X-rays (4) positive rays

Description : When cathode rays strike a target of high atomic weight, they give rise to – 1) α -rays (2) β and γ rays (3) X-rays (4) positive rays

Last Answer : (3) X-rays Explanation: When cathode rays strike a solid target of high atomic weight and high melting point such as tungsten, molybdenum, etc, they give rise to a highly pen-etrating radiation called the X-rays (LIT Physics by Dr. P.K Aganval).

What do radioactive substances emit? (1) Radio waves (2) Infrared waves (3) Ultraviolet waves (4) α, β and γ rays

Description : What do radioactive substances emit? (1) Radio waves (2) Infrared waves (3) Ultraviolet waves (4) α, β and γ rays

Last Answer : (4) α, β and γ rays Explanation: Of the three main types of radiation given off during radioactive decay, two are particles and one is energy; scientists call them alpha, beta and gamma after the first three letters of the Greek alphabet.

Cathode rays when obstructed by metal cause emission of - (1) γ – ray (2) X – ray (3) α – ray (4) β – ray

Description : Cathode rays when obstructed by metal cause emission of - (1) γ – ray (2) X – ray (3) α – ray (4) β – ray

Last Answer : B. X – ray

Pick out the correct statement. (A) Positron is the antiparticle of electron (B) In α-decay, the ratio of neutron to proton decreases (C) Ionising power of β-rays is higher than that of α-rays (D) Speed of α-rays is more than that of γ-ray

Description : Pick out the correct statement. (A) Positron is the antiparticle of electron (B) In α-decay, the ratio of neutron to proton decreases (C) Ionising power of β-rays is higher than that of α-rays (D) Speed of α-rays is more than that of γ-ray

Last Answer : (A) Positron is the antiparticle of electron

The atomic number of a radioactive element is not changed, when it emits __________ rays. (A) α (B) β (C) γ (D) α & β

Description : The atomic number of a radioactive element is not changed, when it emits __________ rays. (A) α (B) β (C) γ (D) α & β

Last Answer : (C) γ