{[ promptMessage ]}

Bookmark it

{[ promptMessage ]}

img012 - Bladrboard teaming System.4 code is nonoveriapping...

Info iconThis preview shows page 1. Sign up to view the full content.

View Full Document Right Arrow Icon
Background image of page 1
This is the end of the preview. Sign up to access the rest of the document.

Unformatted text preview: 10/21/2010 Bladrboard teaming System ...4. code is nonoveriapping and nonpunctuated 1%:fii " brim C o e is almost universal 9) Ribosorml RNA ..... a) Ribosome structure (Figure 10.20) ..1. ribonucleoprotein complex ,. , 2. prokaryotlc ~ .a. 305 small subunit + 505 large subunit = 705 rlbosome g; .b. 165 small subunit rRNA + 55 and 235 large subunit rRNAs ,5 7 J .c. 21 snail subunit proteins + 31 large subunit prute ' g . j,“ ..3. eukaryotlc ‘-= v .a. 405 small subunit + 605 large subunit @‘ ribosorne ‘ .b. 185 small subunit rRNA + SS, 5.85, and : large subunit rth .....c 33 small subunit proteins + 49 large subunit proteins b) rRNA structure ..1. egenslve posttmnscnptlonaiprocessing m M firehotloles (Figure 10.23) g ..2. secondary structure: Intmchaln antlparallel duplex (Figure 10.21) c) rRNA function ..1. structural (scaffold) .2. catalytic (235/285 rRNA contains peptldyl transferase active site) .a. Nissan et al., 2000, Science 289: 920-930 10) Transfer RNA ..... a) Carrier of amino acid residues for protein synthesis ....1. at least one tRNA for each of the 20 amino acids ..b) tRNA structure .1. extensive posttranscriptional processing ...a. modified nucleotides (Figure 10.23) ..........2 secondary structure: Cloverleaf (Figure 10.24) 11) Significance of the Differences Between DNA and RNA .....a) Two differences exist . .1. 2'-deoxyribose in DNA versus ribose in RNA ‘2- T. I" DNA versus, LU A V _ .1” g, '. , ~MWWM.WWQbetter genetic n'aterlal) . ut not RNA Is stable in alkal (Figure 10.27) ...a. 2'~0H of RNA attach phosphndlester linkage at high pH 2. DNA allows efficient identification (and repair) of danaged cytosines a. spontaneous deamlnatlon of C generates U (Figure 10.25) ...b. deam‘nated C Is more easily identified In DNA than RNA (Figure 1026) .c) Possible evolution of the genetic material ...1. RNA world: RNA genome, ”RNA, rRNA, tRNA, ribozyrres 2. DNA genome with A, C, G, U 3. DNA genome with A; C, G, T 12) Hydrolysis of Nucleic Acids (Section 10.6) ..... a) Will be covered with Chapter 12 W s, Ar [Eng Esau ...ugaedu/.../oobaltMalnFrame.dowebci 7n clenel-ic Code PVDPG’TVCS Leoolc. (.3 trip [CT ( l 2. codL i> unambiguous will recognizable 110mm cm.» protein 9mm. electronic WW 0 l H Mama/Mm "\ 7’0 ‘ O\P//’O / o Mono nut/(w tide (la-balm 4 SWWWOS mefim \O... KNH wwvxgl wkafljw ”yd/[owl‘s 1m 0W“ mug/gram wk M‘s. ...
View Full Document

{[ snackBarMessage ]}