| Date | May 2010 | Marks available | 1 | Reference code | 10M.1.SL.TZ2.26 |
| Level | Standard level | Paper | Paper 1 | Time zone | Time zone 2 |
| Command term | Identify | Question number | 26 | Adapted from | N/A |
Question
Why are antibiotics effective against bacteria?
A. They can produce specific antibodies.
B. They can engulf foreign matter.
C. They can block specific metabolic pathways.
D. They can act as a vaccine.
Markscheme
C
Examiners report
N/A
Syllabus sections
Show 55 related questions
- 17N.2.HL.TZ0.02c: State the role of plasma cells in the immune system.
- 17N.2.SL.TZ0.02b: Rotavirus causes diarrhea and vomiting. Explain why viral diseases cannot be treated using...
- 17N.1.SL.TZ0.27: What can protect the body from blood loss? A. Antibodies B. Fibrin C. Histamines D....
- 17N.1.SL.TZ0.26: What is a characteristic of antigens? A. They recognize foreign substances B. They are...
- 17M.2.HL.TZ1.6b: Outline how antibiotics offer protection from certain forms of infectious disease.
- 17M.2.HL.TZ1.1f.ii: Suggest a reason for the greater expression of the gene for the urea transporter after an...
- 17M.2.SL.TZ2.5c: Some blood proteins are involved in defence against infectious disease. Explain the roles of...
- 17M.2.SL.TZ1.1c: Estimate how much smaller drilled oysters raised in seawater at a high CO2 concentration were...
- 17M.1.SL.TZ2.27: The bacterium Neisseria gonorrhoeae causes infections related to the human reproductive...
- 17M.1.SL.TZ1.21: Cladograms can be created by comparing DNA or protein sequences. The cladogram on the left is...
- 15M.2.SL.TZ2.4b: Explain antibody production.
- 15M.2.SL.TZ2.4a: Define pathogen.
- 15M.2.SL.TZ2.4c: Explain why antibiotics are effective against bacterial diseases but not against viral diseases.
- 15M.2.SL.TZ1.5b: Bacteria are prokaryotes that sometimes act as pathogens. Describe how the body can defend...
- 15M.1.HL.TZ2.36: The graph is about defence against infectious disease. What is likely to be indicated by...
- 15N.1.SL.TZ0.26: Which is the correct statement concerning HIV and AIDS? A. All HIV patients have AIDS. B....
- 15N.1.HL.TZ0.22: Which is the correct statement concerning HIV and AIDS? A. All HIV patients have AIDS. B....
- 15N.2.SL.TZ0.2c: Outline the effectiveness of antibiotics against viruses and bacteria.
- 13M.1.HL.TZ2.22: Where are structures I, II and III found in the human body?
- 13M.2.SL.TZ1.5c: Outline how leucocytes defend the body against pathogens.
- 13N.1.HL.TZ0.38: What steps occur in blood clotting?A. Fibrin is converted to fibrinogen which then alters...
- 13N.1.SL.TZ0.24: Why are antibiotics effective against pathogenic bacteria?A. Bacteria have a high rate of...
- 11M.1.HL.TZ1.23: Which of the following statements about antibodies is correct? A. Antibodies are...
- 11M.1.SL.TZ1.27: Which of the following statements about antibodies is correct? A. Antibodies are...
- 12M.1.HL.TZ1.20: What effect does HIV have on the immune system? A. It prevents leucocytes from fighting...
- 12M.1.HL.TZ1.35: Which reaction during blood clotting is catalysed by the enzyme thrombin? A. Soluble fibrin...
- 12M.1.HL.TZ2.21: What is a long-term effect of HIV on the immune system? A. Increase in leucocytes B....
- 12M.1.SL.TZ2.24: What is a consequence of AIDS? A. Excess production of lymphocytes to help fight disease B....
- 09M.2.HL.TZ1.7b: Outline the principle of immunity.
- 09M.1.HL.TZ1.20: Why are antibiotics effective against bacteria but not viruses? A. Viruses can hide inside...
- 09M.1.SL.TZ2.18: Which term describes a molecule capable of triggering an immune response? A. AntibodyB....
- 10M.1.SL.TZ1.27: What are two effects of HIV on the immune system? A. Reduction in antibody production and...
- 10M.1.SL.TZ2.28: What is an effect of the HIV virus on the immune system? A. Reduction of the number of...
- 10M.1.HL.TZ1.35: What occurs during the blood clotting process? A. Prothrombin is converted into thrombin...
- 10M.1.HL.TZ1.21: What prevents antibiotics from being effective against viruses? A. Viruses have a high rate...
- 09N.1.SL.TZ0.26: What stimulates the production of antibodies?A. AIDSB. AntibioticsC. AnticodonsD. Antigens
- 11N.2.HL.TZ0.3 b: Hemophilia is a disorder where the ability to control blood clotting or coagulation is...
- 11N.2.SL.TZ0.2b (ii): Cells defend the body against pathogens. Outline how some of these cells ingest pathogens in...
- 12N.2.HL.TZ0.1d: Identify the effect of increasing the concentration of synthetic surfactant A on the growth...
- 12N.2.HL.TZ0.1e: Compare the effect of the three surfactants, synthetic surfactants A and B and the modified...
- 12N.2.HL.TZ0.1f: Using all the data provided, evaluate the hypothesis that the presence of proteins in...
- 12N.1.HL.TZ0.19: What are antibodies? A. Organisms or viruses that cause diseaseB. Drugs used to treat...
- 12N.1.HL.TZ0.36: Formation of a blood clot by damaged tissue involves the series of steps outlined in the...
- 10N.2.SL.TZ0.3c: Outline why antibiotics are effective against bacteria but not against viruses.
- 10N.2.SL.TZ0.6c: Discuss the cause, transmission and social implications of AIDS.
- 10N.2.HL.TZ0.5c: Discuss the cause, transmission and social implications of AIDS.
- 10N.2.HL.TZ0.3d: Outline why antibiotics are effective against bacteria but not against viruses.
- 10N.2.HL.TZ0.3a: Define the term passive immunity.
- 10N.2.HL.TZ0.3c: Define the term pathogen.
- 09N.2.HL.TZ0.2c: Discuss how the HIV virus is transmitted.
- 09N.2.HL.TZ0.2d: Explain why antibiotics are ineffective against viruses.
- 10N.3.HL.TZ0.7e: Outline the mechanism of the action of antibiotics.
- 16N.1.HL.TZ0.22: In Florey and Chain’s experiment, eight mice were infected with lethal doses of Streptococcus...
- 16N.1.SL.TZ0.26: Why is penicillin not used in the treatment of human immunodeficiency virus (HIV)? A. HIV...
- 16M.1.HL.TZ0.37: Which statement is true for the antibiotic penicillin? A. Watson and Crick developed the...
