Biology Articles - Page 7 — Knoji
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Deoxyribonucleic acid (DNA), the key component of living cells, is presented here in an overview. The nucleotides, or building blocks of DNA, have three components: deoxyribose sugar, a phosphate group, and one of four nitrogenous bases—ringed or double-ringed structures built from carbon atoms and nitrogen atoms.
Published by Dr. David Warmflash 104 months ago in Biology | +4 votes | 1 comments
Evolution produced the processes of anaerobic and aerobic respiration, including the breakdown of glucose, known as glycolysis. According to the Theory of Endosymbiosis, mitochondria are descended from bacteria that were engulfed by the ancestors of Eukaryotes.
Published by Dr. David Warmflash 104 months ago in Biology | +2 votes | 0 comments
You cannot determine the fittest of the species unless you know the rate of reproduction, and without a rate of reproduction, natural selection cannot determine which of the species is the fittest. Rate of reproduction can be determined by, but not limited to, several contributing factors to natural selection including mutations, genetic drift, gene flow, and assortive mating.
Published by Lauren Axelrod 106 months ago in Biology | +17 votes | 8 comments
What happens to respiration when no oxygen is available? Animals and plants cope with this in a different way. Find out here...
Published by BlaBla 107 months ago in Biology | +0 votes | 0 comments
Facts about the crown-of-thorns starfish.
Published by Patrick Regoniel 107 months ago in Biology | +11 votes | 9 comments
The unique chemical mix comprising the Chesapeake Bay. Why the Bay is so unique.
Published by David Sullivan 109 months ago in Biology | +12 votes | 2 comments
The geology of the Chesapeake Bay. How the Bay was formed.
Published by David Sullivan 109 months ago in Biology | +14 votes | 2 comments
Pelorus Jack was a Risso dolphin who accompanied ships travelling between the North and South Islands of New Zealand between 1888 and 1912.
Published by Val Mills 110 months ago in Biology | +10 votes | 6 comments
The Katipo spider is the only native poisonous creature in New Zealand
Published by Val Mills 110 months ago in Biology | +9 votes | 5 comments
The Chesapeake Bay is in need of help. Cleaning up the Chesapeake.
Published by David Sullivan 110 months ago in Biology | +7 votes | 1 comments
10 Weirdest and Most Bizarre Things in Nature. These are most wonderful and curious things in nature
Published by mdlawyer 110 months ago in Biology | +7 votes | 7 comments
The Bald Eagle on the Chesapeake Bay. Chesapeake Bay's wildlife.
Published by David Sullivan 110 months ago in Biology | +9 votes | 1 comments
New ZealandÂ’s tuatara is a remnant of the dinosaur age. It is an endangered reptile.
Published by Val Mills 111 months ago in Biology | +10 votes | 4 comments
Here are six endangered mammals in the Philippines' last frontier that people may never get to see because of their limited distribution.
Published by Patrick Regoniel 112 months ago in Biology | +4 votes | 3 comments
A favorite with residential streets in the city, the Ginkgo Biloba tree as a species survived near extinction. Slow to mature, the Ginkgo may have been susceptible to extinction with the rise of faster growing flowering competitor trees towards the end of the Cretaceous Period. Long-lived, as few as several hundred trees worldwide may have existed until mankind favored them, protecting and encouraging them for their beauty and potential food source of Ginkgo nuts. Ginkgo trees are becoming commo...
Published by thestickman 112 months ago in Biology | +4 votes | 2 comments
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