BIOLOGY:THE ESSENTIALS (LL) W/CONNECT
3rd Edition
ISBN: 9781260670929
Author: Hoefnagels
Publisher: MCG CUSTOM
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Chapter 29, Problem 6MCQ
Summary Introduction
Introduction:
The body contains a well-defined immune system to protect itself from harmful pathogens. The harmful pathogens that attack the body are termed as antigen. However, the body produces certain cells to protect it from the invading pathogens. These cells are termed as antibodies. The antibodies are also referred to as immunoglobulin. They play a crucial role in immunity system as they have the capability to kill the invading pathogens.
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which one of the following properties of antibodies is NOT dependant on the structure of the heavy-chain constant region?
A. ability to cross the placenta
B. isotype (class of antibody)
C. ability to fix complement
D. affinity for drug
(1) In antibody structure, where are can we find unique variable domains?
A. at the tip of each polypeptide chain
B. on the stem region of the antibody
C. at the bottom of each polypeptide chain
D. only on immunoglobulin E
(2) The stem region of the antibody determines the:
A. general immunological mechanism of action
B. specific inflammatory response
C. specific immunological mechnism of action
D. shape of the variable domains
(3) Antibodies are proteins that consists of ------ polypeptides in a ------ shaped structure.
A. three, X
B. four, Y
C. five, clover
D. two, Y
Which portion of an antibody provides antigen binding sites?
A.Heavy chain
B.Constant portion
C.Light chain
D.Variable portion
Chapter 29 Solutions
BIOLOGY:THE ESSENTIALS (LL) W/CONNECT
Ch. 29.1 - List the cell types that participate in the bodys...Ch. 29.1 - Prob. 2MCCh. 29.1 - Prob. 3MCCh. 29.1 - Prob. 4MCCh. 29.2 - Prob. 1MCCh. 29.2 - Describe the external barriers to infection.Ch. 29.2 - Prob. 3MCCh. 29.2 - Prob. 4MCCh. 29.2 - Prob. 5MCCh. 29.3 - Prob. 1MC
Ch. 29.3 - Prob. 2MCCh. 29.3 - Prob. 3MCCh. 29.3 - Prob. 4MCCh. 29.3 - Prob. 5MCCh. 29.4 - What is a vaccine?Ch. 29.4 - Prob. 2MCCh. 29.4 - Prob. 3MCCh. 29.5 - Prob. 1MCCh. 29.5 - Prob. 2MCCh. 29.5 - Prob. 3MCCh. 29 - Prob. 1MCQCh. 29 - Prob. 2MCQCh. 29 - Prob. 3MCQCh. 29 - Prob. 4MCQCh. 29 - Prob. 5MCQCh. 29 - Prob. 6MCQCh. 29 - During the humoral immune response, a. B cells...Ch. 29 - Prob. 8MCQCh. 29 - How do vaccines prevent infectious disease? a. By...Ch. 29 - Prob. 10MCQCh. 29 - Prob. 1WIOCh. 29 - Explain why a scraped knee increases the chance...Ch. 29 - Prob. 3WIOCh. 29 - Prob. 4WIOCh. 29 - Prob. 5WIOCh. 29 - Briefly explain the function of each innate and...Ch. 29 - What do a plasma cell and a memory cell descended...Ch. 29 - Prob. 8WIOCh. 29 - Prob. 9WIOCh. 29 - Prob. 10WIOCh. 29 - Prob. 11WIOCh. 29 - Prob. 12WIOCh. 29 - Prob. 13WIOCh. 29 - Prob. 14WIOCh. 29 - Prob. 1SLCh. 29 - Review the survey the Landscape figure in the...Ch. 29 - Add memory B cells, plasma cells, memory cytotoxic...Ch. 29 - Prob. 3PITCh. 29 - Prob. 4PIT
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- Anti-A antibody will react with cells with: a. A-Antigen b. B-antigen OC. C-antigen d. D-antigenarrow_forwardThe taking in of antigen and digesting it for later presentation is called ________.a. antigen presentationb. antigen processingc. endocytosisd. exocytosisarrow_forwardExplain why each choice (a-d) is correct or incorrect. Allergens differ from antigens because a. Allergens produce an abnormally large immune response to what is an otherwise harmless particle. b. Allergens do not involve the leucocytes, they simple stimulate the inflammatory response. c. Allergens are only active seasonally and are generally harmless to the body. d. Allergens are primarily plant derived while antigens are bacterial or viral in nature.arrow_forward
- Which of the following is NOT a way that an antibody can destroy a bacterial cell? a. Agglutination b. Lysis via complement fixation c. Lysis via opsonization d. Direct lysisarrow_forwardSelect all correct matches: a. Heavy chain / the larger of the two protein chain types found in antibodies b. Hapten / the site on an antibody that binds to antigen c. Gamma globulin / antibodies purified from serum d. Cytokine / a secreted protein that affects immune cell functionarrow_forwardB cells that produce and release large amounts of antibody are called: a. Memory cells b. Basophils c. Plasma cells d. Killer cells e. Neutrophilsarrow_forward
- The region of an antibody that is the antigen binding site is thea. constant region. b. variable region. c. heavy chain. d. light chain. e. hinge region.arrow_forwardwhich two of following statements are true for an antigen prsent cell such as dendritic cell? a. Phagocytes are extra cellular pathogens b. Display processed pathoic peptide on the surface of the cell c. Produce antibodies specific for a pathogen d. Activate naive erythrocytesarrow_forwardThey type of acquired immunity that results from the inoculation of immune serum is called: a. natural acquired passive b. naturally acquired active c. artificial acquired active d. artificial acquired passivearrow_forward
- All of the following are functions of antibodies except a. neutralization of pathogen. b. destruction of antigen. c. agglutination of antigen. d. opsonization.arrow_forwardChoose the combination of answers that most accurately completes the statement. Which of the following is the end product of the complement system? a. properdin b. cascade reaction c. membrane attack complex d. complement factor C9arrow_forwardMHCII molecules will bind __________ and locate to the cell surface.a. T-independent type antigensb. endogenous antigen c. autoantigens d. exogenous antigenarrow_forward
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