Recent questions tagged gate2013

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41
Calculate the percentage sequence identity for the pairwise alignment given below. ______________$\text{HELLO-}$$\text{YELLOW}$
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A callus of $\text{5 g}$ dry weight was inoculated on semi-solid medium for growth. The dry weight of the callus was found to increase by $1.5$ fold after $10$ days of in...
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43
One of the eigcn values of $P=\begin{bmatrix}10 & -4 \\ 18 & -12\end{bmatrix}$ is$2$$4$$6$$8$
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44
Match the commercial microbial sources in $\text{Group I}$ with the products in $\text{Group II}$.$\begin{array}{|l|l|l|l|} \hline & \text{Group I} & & \text{Group II} \...
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If $u=\log (e^x+e^y),$ then $\frac{\partial u}{\partial x}+\frac{\partial u}{\partial y}=$$e^x+e^y$$e^x-e^y$$\frac{1}{e^x+e^y}$$1$
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48
If $P=\begin{bmatrix}1&1\\2&2\end{bmatrix}, Q=\begin{bmatrix}2&1\\2&2\end{bmatrix}$ and $R=\begin{bmatrix}3&0\\1&3\end{bmatrix}$, which one of the following statements is...
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The suitable substitution matrix to align closely related sequences is$\text{PAM 250 or BLOSSUM 80}$$\text{PAM 40 or BLOSSUM 80}$$\text{PAM 120 or BLOSSUM 40}$$\text{PAM ...
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51
The $RNA$ primer synthesized during the replication process in bacteria is removed by$DNA$ gyraseprimase$DNA$ polymerase $I$$DNA$ polymerase $II$
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52
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53
The catalytic efficiency for an enzyme is defined as$K_{cat}$$\frac{V_{max}}{K_{cat}}$$\frac{k_{cat}}{K_m}$$\frac{K_{cat}}{V_{max}}$
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54
Which one of the following is an $ABC$ transporter?multidrug resistance proteinacetylcholine receptorbacteriorhodopsin$ATP$ synthase
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55
Phylum proteobacteria is subdivided into $\alpha-, \beta-, \gamma-, \delta-$ and $\epsilon-$ proteobacteria based on$G+C$ content$23S\; rRNA$ sequences$tRNA$ sequences$16...
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In nature, the horizontal gene transfer across bacteria is mediated bygene cloning followed by transformationconjugation and transformationconjugation onlytransformation ...
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Human genome sequencing project involved the construction of genomic library inbacterial artificial chromosome$pBR322$bacteriophage$pcDNA3.1$
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Endogenous antigens are presented on to the cell surface along with$MHC-II$$MHC-I$$F_c\gamma$receptorcomplement receptor
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The role of an adjuvant istoprolong the persistence of antigencross link the antigenincrease the size of antigenavoid inflammation
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61
Which one of the following aminoacids in proteins does $NOT$ undergo phosphorylation?SerThrProTyr
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The first humanized monoclonal antibody approved for the treatment of breast cancerisRituximabCetuximabBevacizumabHerceptin
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Protein A, which has strong affinity to $F_C$ region of immunoglobulin, is extracted from$\text{Saccharomyces cerevisiae}$$\text{Staphylococcus aureus}$$\text{Streptococc...
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Which one of the following modifications is common toboth protein and DNA?SUMOylationNitrosylationMethylationUbiquitination
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Under alkaline conditions, DNA is more stable than RNA becauseRNA forms secondary structuresRNA is a single stranded moleculeRNA has uracil in place of thymidineRNA is su...