Description : An antigen binding site on the IgG antibody is a combination of a. One variable region from a light chain and one from a heavy chain. b. Two variable regions from two light chains. c. Two ... from two heavy chains. d. One variable region from a constant region and one from a variable region.
Last Answer : a. One variable region from a light chain and one from a heavy chain.
Description : Recognition of antigen is the function of (A) Variable region of light chains (B) Variable regions of light and heavy chains (C) Constant region of heavy chains (D) Constant regions of light and heavy chains
Last Answer : Answer : B
Description : Numerous antibodies can be prepared, against one antigen, each binds to unique epitopes. How is this antibody diversity generated? A- By rearrangements of the DNA encoding the variable regions of the heavy ... proteins can physically change their shape to bind different epitopes D- Both (a) and (b)
Last Answer : Both (a) and (b)
Description : The variable region of heavy chains has (A) One hypervariable region (B) Two hypervariable regions (C) Three hypervariable regions (D) Four hypervariable regions
Last Answer : Answer : D
Description : The portion of the immunoglobulin molecule that binds the specific antigen is formed by (A) Variable regions of H and L chains (B) Constant region of H chain (C) Constant region of L chain (D) Hinge region
Last Answer : Answer : A
Description : The variable region of light chains has (A) One hypervariable region (B) Two hypervariable regions (C) Three hypervariable regions (D) Four hypervariable regions
Last Answer : Answer : C
Description : Antibodies contain two identical_____ chains, and two identical _____ chains. a. right, left b. constant, variable c. heavy, light d. Fab, Fc
Last Answer : c. heavy, light
Description : The variable region of light chains is the (A) N-terminal quarter (B) N-terminal half (C) C-terminal quarter (D) C-terminal half
Description : Variable regions are present in (A) Immunoglobulins (B) α-Chains of T cell receptors (C) β-Chains of T cell receptors (D) All of these
Description : Hinge region, the region of Ig molecule which is flexible and more exposed to enzymes is the (A) Region between first and second constant regions of H chain (domains CH1 and CH2) (B) Region between second and ... H chain (CH2 and CH3) (C) Variable regions of H chain (D) Variable regions of L chain
Description : Bence-Jones proteins possess all the following properties except (A) They are dimers of light chains (B) Their amino acids sequences are identical (C) Their N-terminal halves have variable amino acid sequences (D) Their C-terminal halves have constant amino acid sequences
Description : The portion of the antigen molecule which is recognized by antibody is known as (A) Hapten (B) Epitope (C) Complement (D) Variable region
Description : Effector functions of antigen antibody reaction
Last Answer : 1) As two or more Fc portions are required to stimulate effector functions so effector functions are carried out only by molecules with bound antigens and not with free Ig. 2) Fc region of ... chains are called isotypes. Five heavy chain isotypes and two light chain isotypes are present in humans.
Description : Constant segment genes of heavy chains are present in a cluster in which the first gene on side is (A) Alpha (B) Gamma (C) Delta (D) None of these
Description : Constant segments of heavy chains are of (A) Five types (B) Six types (C) Seven types (D) Eight types
Description : The immunoglobulins are classified on the basis of (A) Light chains (B) Heavy chains (C) Carbohydrate content (D) Electrophoretic mobility
Description : Immunoglobulins are characterized by their (A) Heavy chains (B) Molecular weight (C) Light chains (D) Electrophoretic behaviour
Description : Bence-Jones protein is (A) An immunoglobulin (B) A dimer of heavy chains (C) A dimer of light chains (D) A dimer of one heavy and one light chains
Description : IgG cleaved by papain into (A) Two light and two heavy chains (B) Two Fab and one Fc fragments (C) Two pairs of one light and one heavy chain each (D) One Fab and two Fc fragments
Description : IgM possesses (A) Two light chains and two heavy chains (B) Four light chains and four heavy chains (C) Six light chains and six heavy chains (D) Ten light chains and ten heavy chains
Description : Immunoglobulins are classified on the basis of (A) Type of light chains (B) Type of heavy chains (C) Types of light and heavy chains (D) Molecular weight
Description : The class specific function of the different immunoglobulin molecules is constituted by (A) Variable region of L chain (B) Constant region of H chain (C) Variable region of H chain (D) Constant region particularly CH2 and CH3 of H chain
Description : Each antibody molecule is made up of how many PAIR of polypeptide chains, joined together by disulfide bonds. a) 1 b) 2 c) 3 d) 4
Last Answer : ANSWER: B -- 2
Description : Which of the following statement(s) is/are true concerning the antibody response to an invading antigen? a. All antibodies are composed of one type of heavy and one type of light protein chain b. ... stimulus d. Immunoglobulins A, D, and E play an active role in the circulating humoral response
Last Answer : Answer: a Humoral defenses consist of antibody (immunoglobulin; Ig) and complement. All Ig classes (IgM, IgG, IgA, IgE, IgD) and IgG subclasses are composed of one type (M, G, A, E, D ... exist in smaller amounts in the circulation and do not appear to play a major role as host defense components
Description : Heavy chains in IgD are of following type: (A) Alpha (B) Gamma (C) Delta (D) Epsilon
Description : Gamma heavy chains are present in (A) IgA (B) IgG (C) IgM (D) IgD
Description : Gamma heavy chains are of (A) Two types (B) Three types (C) Four types (D) Five types
Description : The molecular weight of heavy chains is (A) 20,000–25,000 (B) 25,000–50,000 (C) 50,000–70,000 (D) 70,000–1,00,000
Description : The variable region of light chain is the (A) N-terminal quarter (B) N-terminal half (C) C-terminal quarter (D) C-terminal half
Description : Why can food chains be longer in trophic regions than in tundra regions?
Last Answer : Need answer
Description : 5-Match the following Robot part Function a. Manipulator arm 1. For holding a piece or tool b. Controllers 2. Move the manipulator arm and end effector c. Drives 3. Number of degrees of freedom of movement d. Gripper 4. Delivers commands to the ... -1 (C) a-3, b-2, c-4, d-1 (D) a-4, b-3, c-2, d-1
Last Answer : B
Description : Draw block diagram of Robot system. List function of end effector.
Last Answer : Diagram: Functions Of An End Effector : 1. End effector is the device at the end of a robotic arm designed to interact with the environment. 2. End effectors originates from ... link of the robot. It is similar to human hand with or without finger. It incorporates various sensors.
Description : Cells become variable in morphology and function in different regions of the embryo. The process is (a) differentiation (b) metamorphosis (c) organisation (d) rearrangement.
Last Answer : (a) differentiation
Description : A light chain gene is constructed from the following segments: (A) Variable and constant segments (B) Variable, joining and constant segments (C) Variable, diversity and constant segments (D) Variable, joining, diversity and constant segments
Description : are scabs stronger than chains for example if a person is stuck to four metal chains can a normal scab on the skin me more heavy and o painful than that if the scab say scabbed up an entire handfor thriller movies only?
Last Answer : no chains are a blacksmith tool a scab can be more painful depending on the size of the chain but chains are always heavier
Description : The molecular weight of light chains is (A) 10,000–15,000 (B) 20,000–25,000 (C) 25,000–50,000 (D) 50,000–75,000
Description : Light chains of immunoglobulins are of following types: (A) Alpha and kappa (B) Alpha and gamma (C) Lambda and delta(D) Kappa and lambda
Description : ____ is a collection of mechanical linkage connected by joints a.End effector b.Gripper c.Sensor d.Manipulator
Last Answer : d.Manipulator
Description : The speed at which robot is capable of manipulating its end effector is known as the____. a.Velocity of robot b.Maximum reach c.Speed of movement d.Load carrying capacity
Last Answer : c.Speed of movement
Description : Cell regulation can be thought of as the effector side of cell communication. Most commonly cell regulation occurs by means of extracellular chemical messengers. Which of the following statement(s ... d. Most hormones, local mediators, and neurotransmitters readily cross the cell plasma membrane
Last Answer : Answer: b, c Depending on how the extracellular messenger arrives, cell regulation can be classified as paracrine, endocrine, or neurocrine. In paracrine regulation, a chemical messenger ... , local mediators, and neurotransmitters are water-soluble and cannot readily cross the plasma membrane
Description : Muscarinic cholinergic receptors (a) Are located only on parasympathetically innervated effector cells (b) Mediate responses by opening an instrinsic Na+ ion channel (c) Are present on vascular endothelium which has no cholinergic nerve supply (d) Predominate in the autonomic ganglia
Last Answer : Ans: C
Description : Drugs that block the a receptor on effector cells at adrenergic nerve endings (a) Antagonize the effects of isoproterenol on the heart rate (b) Antagonize some of the effects of epinephrine on ... the effects of epinephrine on adenylyl cyclase (d) Cause mydriasis (e) Decreases blood glucose levels
Last Answer : Ans: B
Description : Which of the basic parts of a robot unit would include the computer circuitry that could be programmed to determine what the robot would do? a) sensor b) controller c) arm d) end effector
Last Answer : b) controller
Description : A robot’s “arm” is also known as its __________ a) end effector b) actuator c) manipulator d) servomechanism
Last Answer : c) manipulator
Description : Internal state sensors are used for measuring which of below parameterof the end effector. A : Position B : Position & Velocity C : Velocity & acceleration D : Position, Velocity & acceleration
Last Answer : D : Position, Velocity & acceleration
Description : Which of the basic parts of a robot unit would include the computer circuitry that could be programmed to determine what the robot would do? A : Sensor B : Controller C : Arm D : End effector
Last Answer : B : Controller
Description : A data terminal serves as an a. Effector b. sensor c. both a and b d. neither a nor b
Last Answer : both a and b
Description : Afferent nerve fibres carry impulses from (a) effector organs to CNS (b) receptors to CNS (c) CNS to receptors (d) CNS to muscles.
Last Answer : (b) receptors to CNS
Description : _____ T cells prevent autoreactive T cells from attacking self. a. Memory b. Helper c. Regulatory d. Effector
Last Answer : c. Regulatory
Description : - In end effector internal state sensors are used for measuring (A) Position (B) Position & Velocity (C) Velocity & Acceleration (D) Position, Velocity & Acceleration
Last Answer : D