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Effect of Temperature
Certain plants such as the winter rye (Secale cereale) and the biennial strain of henbane (Hyoscyamus Niger) require exposure to low temperature conditions before they start flowering. A phenomenon known as 'vernalization' or 'Yaronization' was noted by the Russian Plant physiologist Gustav Gussner in 1915. Here also embryo or shoot apex seems to be the site of perception and the role of a hormone 'Vernalin" is suggested. Unfortunately like florigen, vernalin has been still elusive. Gibberellin treatment is known to substitute for cold treatment.
a) Produce annotated diagrams that illustrate how nerve impulses travel i) along a neurone ii) across a synapse.
In biology, Homeostasis is the ability of an open program to manage its internal environment to sustain constant circumstances through several energetic stability improvements mana
What organic molecules make up the cell membrane?
Q. What is Interpretation of Stress Echocardiography? The standard approach to interpretation is qualitative. The attendant need for training and problems posed for reproducibi
The difference in electrical charge between two points: Select one: is called the potential difference between those points. is called the diffusion potential between those p
NON-STARCH POLYSACCHARIDES A polysaccharide often termed as complex carbohydrate. Besides starch, a mixture of substances called non starch polysaccharide (NSP), also constitut
Factors Affecting Osseointegration a) Biocompatibility of the material b) Surgical technique- c) Bone density - d) Occlusal load e) Infection f) Implant surface
why obelia is considered to be of special interest in zoology as an animal showing an intermediate grade of organisation
What are the flat bones and the long bones? The major bones of the body may be divided as flat or long bones (there are bones not classified into these categories). Such as fla
Q What is the main source of energy for living beings on earth? The sun, center of our planetary system and star of the Milky Way galaxy (our galaxy), is the source of the ener
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