Why are individuals with immune system defects more prone to infectious diseases?
Why are individuals with immune system defects more prone to infectious diseases?
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Questions and Answers For
AQA GCSE Biology
237 Questions
1 Answer In what ways can diet, stress, and life situations impact health?
In what ways can diet, stress, and life situations impact health?
1 Answer What factors can significantly affect both physical and mental health?
What factors can significantly affect both physical and mental health?
1 Answer How do communicable and non-communicable diseases contribute to ill health?
How do communicable and non-communicable diseases contribute to ill health?
1 Answer What are the different types of diseases, and how can they interact with one another?
What are the different types of diseases, and how can they interact with one another?
1 Answer How would you describe the relationship between health and disease?
How would you describe the relationship between health and disease?
1 Answer What is Coronary heart disease?
What is Coronary heart disease?
1 Answer What are the principles of organization in living organisms, and how are cells, tissues, organs, and organ systems structured and functionally connected?
What are the principles of organization in living organisms, and how are cells, tissues, organs, and organ systems structured and functionally connected?
1 Answer How do phloem cells’ structures enable them to transport nutrients within plant tissues?
How do phloem cells’ structures enable them to transport nutrients within plant tissues?
1 Answer In what ways are xylem cells specialized for transporting water throughout a plant?
In what ways are xylem cells specialized for transporting water throughout a plant?
1 Answer
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drifting movement in fishes during migration
Drifting movement is a significant aspect of fish migration, particularly
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classification of fishes based on migration in dams in india
Fish migration is a critical aspect of aquatic ecosystems, significantly
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Do fish migrate in the winter?
Fish exhibit diverse migratory behaviors during winter, influenced by species-specific
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Topoisomerase: – A. Separates the DNA strands at the origin – B. Keeps the single-stranded DNA regions from coming back together – C. Re-coils the DNA into a helix after replication is complete – D. Breaks DNA backbone to remove tension produced by the helicase – E. Breaks hydrogen bonds between DNA and the RNA primers
D. Topoisomerase breaks the DNA backbone to relieve supercoiling tension
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What end overhangs?
The 3' end of the telomere strand typically has a
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What kind of cells need cell replication of their telomeres?
Actively dividing cells, such as stem cells, germ cells, and
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What percent of all human cancers have high levels of telomerase?
Around 85–90% of human cancers have high telomerase activity. This
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