Explain the importance of breast-feeding for the development of passive immunity in infants
Explain the importance of breast-feeding for the development of passive immunity in infants
1 Answer
Questions and Answers For
O Level Biology
234 Questions
1 Answer Explain the role of vaccination in controlling the spread of transmissible diseases
Explain the role of vaccination in controlling the spread of transmissible diseases
1 Answer Outline the process of vaccination: (a) weakened pathogens or their antigens are given (b) the antigens stimulate an immune response by lymphocytes which produce antibodies (c) memory cells are produced that give long-term immunity
Outline the process of vaccination: (a) weakened pathogens or their antigens are given (b) the antigens stimulate an immune response by lymphocytes which produce antibodies (c) memory cells are produced that give long-term immunity
1 Answer Explain that active immunity is gained after an infection by a pathogen, or by vaccination
Explain that active immunity is gained after an infection by a pathogen, or by vaccination
1 Answer Describe that specific antibodies have complementary shapes which fit specific antigens
Describe that specific antibodies have complementary shapes which fit specific antigens
1 Answer State that each pathogen has its own antigens, which have specific shapes
State that each pathogen has its own antigens, which have specific shapes
1 Answer Explain how development of antibiotic-resistant bacteria, including MRSA, can be minimised by using antibiotics only when essential
Explain how development of antibiotic-resistant bacteria, including MRSA, can be minimised by using antibiotics only when essential
1 Answer State that antibiotics kill bacteria but do not affect viruses
State that antibiotics kill bacteria but do not affect viruses
1 Answer Describe a drug as any substance taken into the body that modifies or affects chemical reactions in the body
Describe a drug as any substance taken into the body that modifies or affects chemical reactions in the body
1 Answer Describe the effects of tobacco smoke and its major toxic components (nicotine, tar and carbon monoxide): strong association with bronchitis, emphysema, lung cancer, heart disease, and the association between smoking during pregnancy and reduced birth weight of the baby
Describe the effects of tobacco smoke and its major toxic components (nicotine, tar and carbon monoxide): strong association with bronchitis, emphysema, lung cancer, heart disease, and the association between smoking during pregnancy and reduced birth weight of the baby
1 Answer
Welcome to our Q&A page! Here, you can find answers to frequently asked questions about our courses, features, and other topics related to our content. If you have a question that's not covered, feel free to ask, and we'll be happy to help!
Quiz Leaderboard
1st
Debabrata
Score: 100%
Questions: 20
2nd
Debabrata
Score: 100%
Questions: 20
3rd
Debabrata
Score: 100%
Questions: 20
4th
Sourav
Score: 90%
Questions: 20
5th
Nischal
Score: 90%
Questions: 10
6th
Priyanka
Score: 90%
Questions: 10
7th
Martin
Score: 65%
Questions: 20
8th
Vesnce
Score: 45%
Questions: 20
9th
Hector
Score: 40%
Questions: 10
10th
Sabhyata
Score: 40%
Questions: 10
Top Questions
-
how to prepare polyacrylamide gel electrophoresis
Preparing a PAGE gel involves mixing acrylamide, bis-acrylamide, buffer solution,
Sourav Pan
-
how to interpret polyacrylamide gel electrophoresis results
Interpretation of PAGE results involves comparing sample bands to a
Sourav Pan
-
how does polyacrylamide gel electrophoresis differ from agarose gel
The primary difference between polyacrylamide and agarose gel electrophoresis lies
Sourav Pan
-
what is polyacrylamide gel electrophoresis used for
PAGE is used in molecular biology, biochemistry, and proteomics to
Sourav Pan
-
can you run polyacrylamide gel electrophoresis on ice
Yes, PAGE can be run on ice, and in some
Sourav Pan
-
how to read polyacrylamide gel electrophoresis results
To interpret PAGE results, researchers stain the gel with dyes
Sourav Pan
-
can two dimensional polyacrylamide gel electrophoresis determine 3d
Two-dimensional polyacrylamide gel electrophoresis (2D-PAGE) is used to separate proteins
Sourav Pan
- All Questions
BNO Team
