What are enzymes? Ø All living organisms in the world should possess TWO fundamental properties Ø They are: (1). Must be able to self-replicate (2). Must be able to catalyze chemical reactions efficiently and selectively Ø Enzymes are the molecules which enables each living entity to do these two […]
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HSST Botany Junior & Senior Kerala PSC Question Paper with Answer Key and Explanations: Part I (Q 1 – 25)
Kerala PSC HSST Botany 2012 Examination Botany Higher Secondary School Teacher: Junior & Senior Question Paper Code 40/2012 (Cat. NO. 449/2010) Original question paper of Kerala PSC HSST Botany Junior / Senior (Higher Secondary School Teacher Botany), Category No. 449/2010) examination conducted by Kerala PSC (Public Service Commission) on 13/04/2002 (Q. Code 40/2012) for the […]
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Life Science NET June 2015 Question Paper with Answer Key and Explanations (Part B: Question 56-70)
CSIR/JRF/NET: Life Sciences, June 2015 (I) COUNCIL OF SCIENTIFIC & INDUSTRIAL RESEARCH (CSIR) & UGC (Original Question Paper) PART: B (Questions 56 – 70) (56). Which of the following fungal groups has septate hyphae and reproduces asexually by budding, conidia and fragmentation? a. Basidiomycota b. Zygomycetes c. Chytrids d. Glomeromycota (57). The most commonly used […]
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Nucleotide Excision Repair (NER) in Prokaryotes (DNA Repair Mechanism: Part IV)
What is Nucleotide Excision Repair (NER)? As the name suggests it is a type of DNA repair mechanism. In nucleotide excision repair or NER, the damaged base along with a short stretch of healthy strand is removed and later the gap is refilled with correct nucleotides. Thus the NER pathway operates by ‘cut and patch’ […]
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CSIR NET Life Sciences Question paper June 2015 with Answer Key and Explanations Part II (Part B Question 41 – 55)
COUNCIL OF SCIENTIFIC & INDUSTRIAL RESEARCH (CSIR) & UGC (Original Question Paper) PART: B (Questions 41 – 55) 41. Which of the following statements about LEAFY (LFY), a regulatory gene in Arabidopsis thaliana, is correct? a. LEAFY (LFY) is involved in floral meristem identity b. LEAFY (LFY) is involved in leaf expansion c. […]
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