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535 questions in this collection · Page 15 of 54
Question 141 of 535
📘 CLASS XII
Biotechnology Principles And Processes
Maintenance of sterile (microbial contamination-free) ambience in chemical engineering processes is crucial for manufacturing biotechnological products like antibiotics, vaccines, and _________.
Bioprocess engineering is used for manufacturing products like antibiotics, vaccines, enzymes, etc..
Question 142 of 535
📘 CLASS XII
Biotechnology Principles And Processes
The core concept of genetic engineering involves the creation of recombinant DNA, use of gene cloning, and gene transfer, which overcome the limitation of including _________ genes from traditional hybridization.
Genetic engineering overcomes the limitation of including undesirable genes.
Question 143 of 535
📘 CLASS XII
Biotechnology Principles And Processes
If an alien piece of DNA gets integrated into the genome of the recipient organism, it may multiply and be inherited along with the host DNA because it has become part of a _________.
The alien piece of DNA multiplies because it has become part of a chromosome, which can replicate.
Question 144 of 535
📘 CLASS XII
Biotechnology Principles And Processes
The first instance of artificial recombinant DNA construction involved linking a gene encoding _________ resistance.
The construction involved linking a gene encoding antibiotic resistance.
Question 145 of 535
📘 CLASS XII
Biotechnology Principles And Processes
The vector transfers the alien piece of DNA into the host organism, similar to how a mosquito acts as an insect vector to transfer the _________ parasite into the human body.
A mosquito acts as an insect vector to transfer the malarial parasite.
Question 146 of 535
📘 CLASS XII
Biotechnology Principles And Processes
Recombinant DNA technology can be accomplished only if we have key tools, including restriction enzymes, polymerase enzymes, ligases, and _________.
Vectors are listed as one of the key tools.
Question 147 of 535
📘 CLASS XII
Biotechnology Principles And Processes
Restriction endonucleases inspect the length of a DNA sequence to find their specific _________ sequence.
The enzyme inspects the length of a DNA sequence to find its specific recognition sequence.
Question 148 of 535
📘 CLASS XII
Biotechnology Principles And Processes
The palindromic sequence example given in the source (5'——GAATTC——3' / 3'——CTTAAG——5') reads the same on the two strands when reading orientation is kept the same, such as in the _________ direction.
The sequence reads the same on both strands in the 5' $\rightarrow$ 3' direction.
Question 149 of 535
📘 CLASS XII
Biotechnology Principles And Processes
When visualizing DNA fragments in gel electrophoresis, pure DNA fragments cannot be seen in the _________ light without staining.
Pure DNA fragments cannot be seen in the visible light without staining.
Question 150 of 535
📘 CLASS XII
Biotechnology Principles And Processes
The process of extracting the purified DNA fragments from the gel piece after visualization is known as _________.
Elution is the step where separated bands are cut out and extracted.