Answer:
It also provides an extremely stable backbone with the negatively charged phosphates pointing to the outside of the molecule. This charge aids in the attachment of other molecules to the strand of DNA. DNA double helix allows it to be stable and it won't easily destroyed.
Biological criteria of life are that an organism maintains the homeostasis, are composed of cells, have a life cycle, undergoes the catabolic and anabolic reactions, can grow, adapt to their environment, respond to stimuli, reproduce and evolve. no brainwave or no heartbeat may show the signs of clinical death but not all organs stop functioning at the same time. This is the reason why different organs can be transplanted even after death.
Answer:
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Explanation:
Coffee can be an example of Beverage.....
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Answer:
index fossils are those fossils which have wide geographical distribution and short life span. so if they are found in a particular age, it means they belong in that age and they cannot be found in formations younger then that. for example if there is an index fossil of Permian age, we can corellate the permian age formations
index fossils have a very short life span which means they only can be found in a particular age.