0 votes
0 answers
761
Dimethyl sulfoxide (DMSO) is used as a cryopreservant for mammalian cell cultures becauseit is an organic solventit easily penetrates cellsit protects cells by preventing...
0 votes
0 answers
762
Krebs $\text{(TCA)}$ cycle is $\_\_\_\_\_\_$ pathway.only an anaboliconly a catabolic an amphibolica pyogenic
0 votes
0 answers
763
0 votes
0 answers
764
Which of the following factors can influence the lag phase of a microbial culture in a batch fermentor?Inoculum sizeInoculum ageMedium composition$P$ and $Q$ only$Q$ and ...
0 votes
0 answers
765
Match sub-cellular organelles listed in $Group\; I$ with their features listed in $Group\; II$:$$\begin{array}{|cl|cI|cI|cI|cI|c|}\hline&\textbf{Group I} & \textbf{Group ...
0 votes
0 answers
766
0 votes
0 answers
768
How many different protein sequences of $100$ residues can be generated using $20$ standard amino acids?$100^{20}$$100 \times 20$$20^{100}$$100! \times 20!$
0 votes
0 answers
769
0 votes
0 answers
771
Identification of blood groups involvesprecipitationneutralizationopsonizationagglutination
0 votes
0 answers
773
0 votes
0 answers
774
If two distinct non-zero real variables $x$ and $y$ are such that $(x+y)$ is proportional to $(x-y)$ then the value of $\frac{x}{y}$depends on $x y$depends only on $x$ an...
0 votes
0 answers
776
Match the proteins in $\textbf{Group I}$ with cellular processes in $\textbf{Group II}$$\begin{array}{|l|l|l|l|} \hline & \textbf{Group I} & & \text{Group II} \\ \hline P...
0 votes
0 answers
778
Which one of the following is INCORRECT about a typical apoptotic cell?Phosphatidylserine is presented on the outer cell surfaceCytochrome c is released from mitochondria...
0 votes
0 answers
781
The helix content of a protein can be determined usingan infrared spectrometera fluorescence spectrometera circular dichroism spectrometera UV-Visible spectrophotometer
0 votes
0 answers
782
A humanized antibody is one in which theheavy and light chains are from humanheavy chain is from human and light chain is from mouselight chain is from human and heavy ch...
0 votes
0 answers
783
A value of $k$ for which the linear equations $(k-1) x+3 y=0$ and $2 x+k y=0$ have a non-zero solution is $\_\_\_\_\_\_\_$.$1$$2$$3$$4$
0 votes
0 answers
784
Which one of the following graphs represents the kinetics of protein precipitation by addition of ammonium sulphate? On the $Y$-axis, [Protein] represents the concentrati...
0 votes
0 answers
785
0 votes
0 answers
787
Production of monoclonal antibodies by hybridoma technology requiressplenocytesosteocyteshepatocytesthymocytes
0 votes
0 answers
788
The active site in the alpha/beta barrel structures is usually locatedinside the barrelat the amino side of the strandsat the carboxy side of the strandsat any arbitrary ...
0 votes
0 answers
790
During normal embryonic development of the mice paw, elimination of cells from the inter-digital space is due to $\_\_\_\_\_\_\_$.apoptosismeiosismutagenesisnecrosis
0 votes
0 answers
791
Which of the following are energy transducing membranes?Plasma membrane of bacteriaInner membrane of chloroplastsInner membrane of mitochondria$P$ and $Q$ only$P$ and $R$...
0 votes
0 answers
794
Consider the following multiple sequence alignment of four DNA sequences.$$\begin{array}{cccc} A & C & T & A \\ A & C & T & G \\ A & G & T & C \\ A & G & C & T \end{arra...
0 votes
0 answers
795
Protein A, which has strong affinity to $F_C$ region of immunoglobulin, is extracted from$\text{Saccharomyces cerevisiae}$$\text{Staphylococcus aureus}$$\text{Streptococc...
0 votes
0 answers
796
Which of the following conditions induce(s) the expression of $\beta$-galactosidase gene in the lac operon?Absence of glucoseAbsence of lactosePresence of glucosePresence...
0 votes
0 answers
800
Antibody-producing hybridoma cells are generated by the fusion of a$T$ cell with a myeloma cell$B$ cell with a myeloma cellmacrophage with a myeloma cell$T$ cell and a $B...