Answers and bookmarks are saved in this browser, across visits. They do not sync to your account.
535 questions in this collection · Page 1 of 54
Question 1 of 535
📘 CLASS XII
Biotechnology Principles And Processes
The approach to understanding natural phenomena, especially natural sciences, became _________ ever since the days of Rene Descartes.
Rene Descartes’ influence led to the whole approach to understanding natural phenomena becoming anthropocentric.
Question 2 of 535
📘 CLASS XII
Biotechnology Principles And Processes
Herbert Boyer completed his graduate work in 1963 at the University of _________.
Herbert Boyer completed graduate work at the University of Pittsburgh, in 1963.
Question 3 of 535
📘 CLASS XII
Biotechnology Principles And Processes
In 1966, Boyer took over an assistant professorship at the University of California at _________.
Boyer took over the assistant professorship at the University of California at San Francisco in 1966.
Question 4 of 535
📘 CLASS XII
Biotechnology Principles And Processes
In 1969, Herbert Boyer performed studies on a couple of restriction enzymes of the _________ bacterium.
Boyer performed studies on restriction enzymes of the E. coli bacterium.
Question 5 of 535
📘 CLASS XII
Biotechnology Principles And Processes
Boyer observed that restriction enzymes cut DNA strands in a particular fashion, leaving what has become known as _________ on the strands.
The enzymes left ‘sticky ends’ on the DNA strands, which made pasting pieces of DNA a precise exercise.
Question 6 of 535
📘 CLASS XII
Biotechnology Principles And Processes
Stanley Cohen had been studying small ringlets of DNA called _________, which float freely in the cytoplasm of certain bacterial cells.
Cohen was studying small ringlets of DNA called plasmids that replicate independently from the coding strand of DNA.
Question 7 of 535
📘 CLASS XII
Biotechnology Principles And Processes
The breakthrough achieved by Boyer and Cohen involved inserting recombined segments of DNA into bacterial cells, which could then act as manufacturing plants for specific _________.
The bacterial cells, with recombined DNA, could act as manufacturing plants for specific proteins.
Question 8 of 535
📘 CLASS XII
Biotechnology Principles And Processes
Traditionally, making curd, bread, or wine could be thought of as a form of biotechnology because they are _________-mediated processes.
Curd, bread, or wine making are all microbe-mediated processes, considered traditional biotechnology.
Question 9 of 535
📘 CLASS XII
Biotechnology Principles And Processes
Modern biotechnology is used in a restricted sense today to refer to processes which use _________ to achieve desired outcomes on a larger scale.
Modern biotechnology primarily refers to processes using genetically modified organisms.
Question 10 of 535
📘 CLASS XII
Biotechnology Principles And Processes
The European Federation of Biotechnology (EFB) defines biotechnology as the integration of natural science and organisms, cells, parts thereof, and molecular analogues for products and _________.
The EFB definition states the integration is for 'products and services'.