BSc Biotechnology Sem III 2022 2023 Oct 2023 CELL BIOLOGY & CYTOGENTICS Question Paper - Mumbai University | munotes

Questions asked in this paper

• , Attempt all questions

1. Q2 All questions carry equal marks 4, For Q2,Q3 and Q 4 attempt A and B ORC and D directed (Any fifteen) 15 does not have any polarity 4, State whether the following statement is true or false. moves in the positive direction of microtubules.’
2. Q6 MTOCs stands What is microfilament?
3. Q9 Name the protein present in the periplasmic space of gram-negative bacteria in the ABC transporter
4. Q10 Define antiporters Give any one function of the gap junction, Give any one function of the extracellular matrix 13 Define the term ‘karyotype’ i4. major types of proteins associated with DNA in chromatin State whether the following statement is true or false. ‘The least compact form of chromatin shows beads-on-strings appearance.’
5. Q16 Name the following. ‘The region of chromosomes that show the normal cycle of chromosome condensation and decondensation’ 17 Deletion in the short arm of chromosome number 5 in humans results in Give an example of a syndrome that arises due to trisemy-21 condition in the set of chromosomes type of sex determination, sex chromosomes play a decisive role in the inheritance and determination of sex
6. Q20 is a place on a homologous pair of chromosomes at which the VCD/ SYBT SEM III CELL BIOLOGY & 75MARKS Describe the nature of cytoskeleton. 08
7. Q2 B_ Explain the composition & structure of microtubule with help of neat & Explain the dynamic function of microtubules. 08 7 marks
8. Q2 D_ Explain in detail muscular contractility. Explain the structure and working of Na+ - K + pumps. 08 7 marks
9. Q3 B_ Describe passive transport and active transport in prokaryotic cells. Give an account of functions of Cell membrane. 08 an account of structural organisation and functions of tight junctions. 07 Describe deletion and inversion as ways to change the chromosome 08 7 marks
10. Q4 B explain Morgan’s experiment work on Drosophila to study Acorn plant known to be heterozygous at three loci is testcrossed. The 08 progeny phenotypes and the numbers are as follows: Give the gene arrangement, linkage relationships and map distances 7 marks
11. Q4 D__ Describe the mechanisms of sex determination. 7 marks
12. Q5 Write short note on any three of the following a Describe the structure of axoneme with the help of a neat & labelled b Write a difference between actin & intermediate filament c Functions of Cell Coat e Features of tetrad analysis 15 marks

Read from the scan above, so a character or two may differ. The scan is the original.