Recent questions in General Biology

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41
A pedigree of an inheritable disease is shown below.What type of inheritance does the disease follow?Autosomal dominantX-linked dominantX-linked recessiveAutosomal recess...
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45
Which one of the following amino acids is catalyzed by activated macrophages to produce reactive nitrogen species?ArginineAsparagineCysteineHistidine
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48
Which of the following are true about bacterial superoxide dismutase?Present in obligate aerobesPresent in facultative anaerobesPresent in aerotolerant anaerobesAbsent in...
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50
Which of the following cytokines are endogenous pylogens?Tumor necrosis factor-$\alpha$Interleukin-$1$Transforming growth factor-$\beta$Interleukin-$10$P and Q onlyP and ...
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52
Identify the character based method(s) used for the construction of a phylogenetic tree.Maximum parsimonyNeighbor joiningMaximum likelihoodBootstrappingQ onlyP and R only...
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53
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54
Cell type A secretes molecule X into the culture medium. Cell type B in the same culture responds to the molecule X by expressing protein Y. Which one of the following mo...
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55
Which of the following technique(s) can be used to study conformational changes in myoglobin?Mass spectrometryFluorescence spectroscopyCircular dichroism spectroscopyLigh...
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56
Which one of the following is NOT a principal component of innate immunity?Mucosal epitheliaDendritic cellsComplement systemMemory B-cells
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57
Which one of the following metabolic processes in mammalian cells does NOT occur in the mitochondria?Citric acid cycleOxidative phosphorylationFatty acid $\beta$-oxidatio...
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58
If a segment of a sense strand of DNA is $5'-\text{ATGGACCAGA}-3'$, then the resulting RNA sequence after transcription is$5' – \text{AGACCAGGTA}-3’$$5'- \text{UCUGGU...
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59
Which of the following components constitute a molecular mechanics force field?Bond stretchingBond angle bendingTorsional bond rotationNon-bonded interactionsP and Q only...
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60
Which one of the following BLAST search programs is used to identify homologs of a genomic DNA query in a protein sequence database?blastpblastnblastxtblastn
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63
The repeat sequence of telomere in humans is$5'-\text{TATAAT}-3’$$5'-\text{TTAGGG}-3'$$5’-\text{GGGCCC}-3'$$5’-\text{AAAAAA }-3'$