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Explain the Source of Energy - Growth of Microorganism?
Constant supply of energy is required to carry out cellular activities, like biosynthesis and degradation of macromolecules, transport etc. Two sources of energy are available for microorganisms -
i) Light Energy - Organisms using light as a source of energy are called phototrophs.
ii) Energy derived from organic or inorganic molecules - Organisms using energy obtained by oxidation of organic or inorganic chemical compounds like glucose, H2S etc. are called chemotrophs.
Aim: To prove that oxygen is evolved during photosynthesis. Apparatus: Beaker, funnel, test tube, water, Hydrilla plants. Procedure: Take a few pieces of Hydrilla plant. Keep a
Ovule The ovule, also known as the megasporangium is the forerunner of the seed. It consists of a central mound of tissue called the nucellus, which is enveloped by one or tw
Criteria of Essentiality Amon and Stout as early as 1939, suggested certain criteria that an element must fulfil in order to be classified as essential. These criteria are lis
What are trophic levels? How many trophic levels can a food chain have? The Trophic levels correspond to positions on a food chain. thus producers always belong to the first tr
Q. What is Hydrogenqted Fat? All vanaspati preparations are the result of hydrogenation of oils, where unsaturated fat is converted to saturated fat for its favour and long she
A dominant allele will always increase in frequency over time. Yes No Q44. When a gene has two alleles, the allele frequencies in a population automatically move toward an equilibr
Sympatric speciation can be regarded as speciation where parent species gives rise to a daughter species without the individuals of a species being separated by space or territory.
Explain how a human eye is working for the body. Every tissue in the body requires basic components which are either derived from the body itself or we acquire them from extern
Please show a diagram of the ATP molecule and label the major parts ot this molecule. Also, what kind of building block is ATP?
Zygotic or Suspensor Polyembryony Cleavage of the apical cells of the globular or filamentous proembryo produced by the zygote may result in two or more embryos in a seed. Th
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