CSB351Y1 Study Guide - Final Guide: Ribozyme, Playstation 3, Microrna

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bluedeer312

27 Apr 2012

School

UTSG

Department

Cell and Systems Biology

Course

CSB351Y1

Professor

Mounir Abou Haidar

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Document Summary

Prions: prion gene on short arm of chrm. 20. Prpc: rich in alpha-helices (no beta sheets) ; prpsc: isoform of prpc with rich beta sheets, in unfolding of alpha sheets and refolding of beta sheets, resistant to proteolysis. No immune response for prions (cellular proteins). Prions are not the cause for alzheimer, parkinson"s disease and amyotrophic lateral sclerosis (als). Conformational changes in proteins are common to prions and alzheimer. Inherited> autosomal dominant; ffi- familial fatal insomnia: acquired> gh injection, cornea transplant, medical instrument. Cjd>affect language & memory; early signs> depression, sleep disturbance. Helical, ss 3 rna pieces, polymerase packaged with its rna. Ambisense: s of phlebo, s&m of tospo. Antigenic shift and drift> not as serious as influenza. G1 & g2: receptor binding for animal cells & insect cells (in hanta, one for humans and one for mice). Transmitted by insects and mosquitoes (arthropod vectors) except hantaa virus (transmitted through mice). Hantaa viruses have no known arthropod replication cycle.

Related Questions

DNA synthesis: leading vs lagging strands during replication, Okazaki fragments, 5â to 3â direction vs 3â to 5â direction, meaning of âantiparallelâ, role of DNA ligase, role of DNA polymerase

Transcription/translation, RNA/DNA, template strand vs non-template strand, introns vs exons

Relationship of DNA mutation to cancer.

Relationship of RNA to DNA, and RNA to proteins?

Meaning of semiconservative replication.

Codons (triplets) are part of what molecule?

Codons vs anticodons.

Functions of the different types of RNA.

Ribosome structure (including the E site, P site and A site).

Match the following components of the bacterial cytoplasm withtheir respective function.

A. Transcription

B. Control of Replication, Transcription, and Translation

C. Guiding cell wall biosynthesis and cell division

D. Compaction of the genomic DNA

E. Encoding of non-chromosomal genes

F. Gene expression and genetic information storage

G. C, P, N, S storage

H. Replication of the genome

1. Nucleoid
	2. cytoskeletal proteins
	3. Regulatory factors
	4. DNA Polymerases
	5. RNA Polymerases
	6. Inclusion bodies
	7. Plasmids
	8. positively charged proteins, sodium, potassium, andmagnesium ions

whitepug595

Q17 cellular receptors are commonly used for:

A. none

B all

C immune cell activation

D adhesion

E cellular interactions

Q18. The role of viral fusion peptides is to:

A mediate the recognition of viral nucleic acids and host cell polymerases during the replication phase of the viral replication cycle.

B mediate the recognition of viral attachment proteins and host cell receptor proteins during the recognition phase of the viral replication cycle.

C mediate the fusion of viral membranes and host cell membranes during the entry phase of the viral replication cycle.

D mediate the fusion of replicated and assembled viral particles and host cell membrane during the egress phase of the viral replication cycle

Q22 Most enveloped viruses exit the cell by the following process

A cell lysis

B exocytosis

C budding

D Golgi transport.

E cytokinesis.

CSB351Y1 Study Guide - Final Guide: Ribozyme, Playstation 3, Microrna

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