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Rather, the Calvin-Benson Cycle is BEGINS when RuBP acquires a carbon from the atmosphere in the form of carbon dioxide to become RuBisCO.
Explanation:
Calvin cycle is the dark phase cycle in plants that generates carbohydrates from reduction of carbon dioxide. The products of light phase – ATPs and NADPH - are used in the Calvin cycle which is a catabolic pathway.
Calvin cycle BEGINS with a RuBP (Ribulose 1,5-bisphosphate) molecule that captures 3 carbon dioxide molecules to become a Rubisco. The Rubisco is hydrolysed into six 3-PGA which are reduced to G3Ps. One G3P is used to make glucose while the others are used to regenerate RuBP.
Learn More:
For more of Calvin Cycle check out;
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Answer:
Petri plates are incubated upside down to prevent contamination.
Explanation:
The plates are always incubated inverted or turned upside down on their covers during storage. This is done to prevent evaporation if plaque is stored for long periods, which can affect the growth efficiency of bacteria, or allow contamination by multiplying unwanted organisms such as mold.
Once the plaques have been filled with a damp suspension of bacteria, it should be allowed to evaporate shortly before overnight incubation. However, a moderate amount of moisture will still be present. If plaque is not inverted during incubation, bacteria will not be able to attach to the culture medium properly, which will either prevent them from growing and forming colonies properly or will encourage the growth of undesirable microorganisms.
Any of these results will invalidate the experiment. In addition, any condensation or moisture can cause streaking, which will make it difficult to select and analyze separate colonies. After bacteria form colonies, plaque is also stored upside down to maintain moisture levels.
Human Immunodeficiency Virus -- this is HIV, the virus that causes AIDS.
Flu viruses. There are lots of different strains of flu virus, which is why new vaccines have to be made every year.
Cold virus. The common cold is caused by a virus.
Answer:
Homologous structures can be described as the structures which are similar to one another present in different organisms. These similarities depict that the organisms might have a common ancestor i the past. For example, the forelimb of man, birds, dogs.
Analogous structures can be described as structures in different organisms which perform the same function but might not have a common origin. For example, the wings of bats and birds.
Http://histologyolm.stevegallik.org/node/124
this should help you
