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How can the hypothesis that asserts that chloroplasts as well as mitochondria were primitive prokaryotes that associated in mutualism with primitive anaerobic eukaryotic cells be corroborated?
The explained hypothesis is known as the endosymbiotic hypothesis about the evolutionary origin of mitochondria and choloroplasts.
Mutualism is explained as: mitochondria and chloroplasts can offer energy and nutrients to the cell in exchange for protection. The hypothesis is strengthened as those organelles have their own DNA, RNA and protein synthesis machinery and they separate themselves through binary division like bacteria do.
State four characteristics of an efficient respiratory surface. Four characteristics of an well-organized respiratory surface are: a) thin epithelium, b) large surface ar
Population Parameters and Regulation Population can be defined as a group of organisms of same species occupying a specific area at a particular time, such as all the deer or
Genetic engineering has been successfully used for producing: 1. Transgenic mice for testing safety of polio vaccine before use in humans 2. transgenic models for studying ne
Structural isomers: Select one: a. Have the same molecular weight b. Have the same connectivity c. Are mirror images d. All of the above e. None of the above
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What is a helix?
Explain National Programmes Targeting Infants and Preschoolers? Infants and preschoolers are the vulnerable sections of the society. To give them due coverage, some national p
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Open and Closed Type of Circulatory Systems There are two categories of circulatory system found in higher metazoans. In one type the original blastocoel carries on to be the
Mention the two regulation systems of glycogen metabolism. There is a hormonal regulation system functioning in the muscle and liver which regulates the glycogen metabolism.
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