| Class XII |
Biotechnology |
Biotechnology |
7 |
serious or somatic cybrid plants. Protoplast A and B are from two problem, as the entire clonal population raised different plant species from infe... |
|
| Class XII |
Biotechnology |
Biotechnology |
7 |
identified in several crops and have been released as new cultivars. Some of the examples are disease resistant sugarcane, banana and tomato, and i... |
|
| Class XII |
Biotechnology |
Biotechnology |
7 |
Berberine Coptis japonica Antibacterial, anti-inflammatory 4. Capsaicin Capsicum annum (Chilli) Rheumatic pain treatment 5. Codeine Papaver sp. Ana... |
|
| Class XII |
Biotechnology |
Biotechnology |
7 |
tissue culture media. 3. What are the general steps of plant tissue culture? 4. Describe various applications of plant tissue culture. 5. How are s... |
|
| Class XII |
Biotechnology |
Biotechnology |
7 |
nuclei. (d) None of the above. 18. In vitro tissue culture can be used for the generation of: (a) Virus free plants (b) Somatic hybrid plants (c) S... |
|
| Class XII |
Biotechnology |
Biotechnology |
8 |
Chapter Animal Cell Culture 8.1 Historical Animal cell culture is described as the in vitro maintenance Perspective and proliferation of animal cel... |
|
| Class XII |
Biotechnology |
Biotechnology |
9 |
area of scientific study. The first stem cells were isolated from blood cells. At present, scientists all around the world are working on various t... |
|
| Class XII |
Biotechnology |
Biotechnology |
8 |
live polio vaccine. Her cells were commercialised and have generated millions of dollars in profit for the medical researchers who patented her tis... |
|
| Class XII |
Biotechnology |
Biotechnology |
8 |
on the kind of cells to be cultured and on the requirement for culture, such as growth, differentiation and production of desired products like pha... |
|
| Class XII |
Biotechnology |
Biotechnology |
8 |
division of salamander leucocytes Ross Harrison 1907 Published experiments showing frog embryo nerve fibre growth in vitro • Cultured connective ti... |
|
| Class XII |
Biotechnology |
Biotechnology |
8 |
uniformity plasma, serum, because the exact and embryo and bone marrow composition of these Biological Plasma, serum, lymph, extract fluids amnioti... |
|
| Class XII |
Biotechnology |
Biotechnology |
9 |
reason is the correct explanation of the assertion. (b) Both assertion and reason are true but the reason is not the correct explanation of the ass... |
|
| Class XII |
Biotechnology |
Biotechnology |
8 |
cell specific growth factors and thus, cannot be used as stand alone for culture. • It may also contain cytotoxic compounds and some growth inhibit... |
|
| Class XII |
Biotechnology |
Biotechnology |
8 |
also contribute significantly. Generally, all the commercial media are formulated so as to have a final osmolality of approximately 300 mOsmol. Osm... |
|
| Class XII |
Biotechnology |
Biotechnology |
8 |
a pH indicator. This is effectively used to monitor the pH change owing to the metabolic activities during cell growth. Due to the presence of phen... |
|
| Class XII |
Biotechnology |
Biotechnology |
8 |
with industrial-grade HEPA (High Efficiency Particulate Air) filters. Laminar hoods operate by drawing air under negative pressure, into the top of... |
|
| Class XII |
Computer Science |
Computer Science |
3 |
the TOP of the stack. Hence, we StaCk 43 Reprint 2026-27 shall use the built-in method append() of list to n oteS add an element to the stack that ... |
|
| Class XII |
Biotechnology |
Biotechnology |
8 |
through. The Asbestos door gasket essential functions of the incubator Cabinet are to maintain— the sterility of the chamber, a constant temperatur... |
|
| Class XII |
Biotechnology |
Biotechnology |
8 |
lines are broadly classified as primary and secondary cell cultures and cell lines. (i) Primary cell cultures Primary cell culture is obtained dire... |
|
| Class XII |
Biotechnology |
Biotechnology |
8 |
cell lines with a limited number of cell division and having a limited life span are called finite cell lines. As the cells pass several times, the... |
|
| Class XII |
Biotechnology |
Biotechnology |
8 |
of suspension cells. These cells grow faster, as they do not require frequent replacement of the culture medium and are homogeneous in nature. Subc... |
|
| Class XII |
Chemistry |
Chemistry-II |
3 |
reagent, (A) must be a ketone. (A) responds to iodoform test. Therefore, it should be a methyl ketone. The molecular formula of (A) indicates high ... |
|
| Class XII |
Biotechnology |
Biotechnology |
8 |
10 percent DMSO. Preferably, healthy cells growing in log phase should be used and the medium should be replaced 24h before freezing. Also, the cel... |
|
| Class XII |
Biotechnology |
Biotechnology |
8 |
exclusion assay (20X magnification) (b) Metabolic viability assays Metabolicviabilityassaysrelyontheabilityofcellstoexecute a specific biochemical ... |
|
| Class XII |
Biotechnology |
Biotechnology |
8 |
large scale • As a production house for various medically important protein pharmacueticals. The important ones are listed in Table 8.3. Table 8.3:... |
|