Biology Group at eNotes http://www.enotes.com/biology/group The latest discussion, including questions and answers, from the Biology Group at eNotes. Sun, 3 Jan 2010 10:36:58 en-us <![CDATA[Coenozoic era, upto the present, has had an estimated duration of about...]]> http://www.enotes.com/biology/q-and-a/how-evolution-whale-occurs-who-ancestor-whale-127095 http://www.enotes.com/biology/q-and-a/how-evolution-whale-occurs-who-ancestor-whale-127095 Sun, 3 Jan 2010 10:36:58 PST <![CDATA[Based on morphology, scientists have long thought that the hippo's...]]> http://www.enotes.com/biology/q-and-a/how-evolution-whale-occurs-who-ancestor-whale-127095 http://www.enotes.com/biology/q-and-a/how-evolution-whale-occurs-who-ancestor-whale-127095 Sun, 3 Jan 2010 07:33:54 PST <![CDATA[It is generally agreed that the evolution of whales (cetaceans) began...]]> http://www.enotes.com/biology/q-and-a/how-evolution-whale-occurs-who-ancestor-whale-127095 http://www.enotes.com/biology/q-and-a/how-evolution-whale-occurs-who-ancestor-whale-127095 Sun, 3 Jan 2010 06:44:38 PST <![CDATA[Of course, all evolution occurs by natural selection.  Traits that help...]]> http://www.enotes.com/biology/q-and-a/how-evolution-whale-occurs-who-ancestor-whale-127095 http://www.enotes.com/biology/q-and-a/how-evolution-whale-occurs-who-ancestor-whale-127095 Sun, 3 Jan 2010 06:26:07 PST <![CDATA[How did the EVOLUTION of THE WHALE occur?  Who is the ancestor of the...]]> http://www.enotes.com/biology/q-and-a/how-evolution-whale-occurs-who-ancestor-whale-127095 http://www.enotes.com/biology/q-and-a/how-evolution-whale-occurs-who-ancestor-whale-127095 Sun, 3 Jan 2010 04:00:53 PST <![CDATA[Colonization factor in E. coli is a virulence plasmid that carries...]]> http://www.enotes.com/biology/q-and-a/why-would-e-coli-strain-carry-plasmid-with-beta-126201 http://www.enotes.com/biology/q-and-a/why-would-e-coli-strain-carry-plasmid-with-beta-126201 Tue, 29 Dec 2009 11:04:04 PST <![CDATA[Sperms are the male sex cells or gametes that unite with female sex...]]> http://www.enotes.com/biology/q-and-a/where-sperms-made-human-126229 http://www.enotes.com/biology/q-and-a/where-sperms-made-human-126229 Tue, 29 Dec 2009 02:25:51 PST <![CDATA[The human body is equipped with a reproductive system. Both male and...]]> http://www.enotes.com/biology/q-and-a/where-sperms-made-human-126229 http://www.enotes.com/biology/q-and-a/where-sperms-made-human-126229 Tue, 29 Dec 2009 00:33:19 PST <![CDATA[The male reproductive system in man consists of primary sex organs,the...]]> http://www.enotes.com/biology/q-and-a/where-sperms-made-human-126229 http://www.enotes.com/biology/q-and-a/where-sperms-made-human-126229 Tue, 29 Dec 2009 00:23:12 PST <![CDATA[Where are sperms made in human?]]> http://www.enotes.com/biology/q-and-a/where-sperms-made-human-126229 http://www.enotes.com/biology/q-and-a/where-sperms-made-human-126229 Tue, 29 Dec 2009 00:03:39 PST <![CDATA[Why would the E. Coli strain carry a plasmid with the beta-lactamase gene?]]> http://www.enotes.com/biology/q-and-a/why-would-e-coli-strain-carry-plasmid-with-beta-126201 http://www.enotes.com/biology/q-and-a/why-would-e-coli-strain-carry-plasmid-with-beta-126201 Mon, 28 Dec 2009 19:44:20 PST <![CDATA[I know that the vaccine using the live measles virus has been modified...]]> http://www.enotes.com/biology/q-and-a/how-has-measles-virus-been-modified-125917 http://www.enotes.com/biology/q-and-a/how-has-measles-virus-been-modified-125917 Sat, 26 Dec 2009 20:16:09 PST <![CDATA[How has the measles virus been modified?]]> http://www.enotes.com/biology/q-and-a/how-has-measles-virus-been-modified-125917 http://www.enotes.com/biology/q-and-a/how-has-measles-virus-been-modified-125917 Sat, 26 Dec 2009 19:50:52 PST <![CDATA[Explain the renewal of defence structures by the body (eg, cells,...]]> http://www.enotes.com/biology/q-and-a/explain-renewal-defence-structures-by-body-eg-125491 http://www.enotes.com/biology/q-and-a/explain-renewal-defence-structures-by-body-eg-125491 Tue, 22 Dec 2009 10:40:34 PST <![CDATA[Chromium is a very vital mineral found in low concentrations in the...]]> http://www.enotes.com/biology/q-and-a/chromium-safe-what-chromiums-role-human-body-125457 http://www.enotes.com/biology/q-and-a/chromium-safe-what-chromiums-role-human-body-125457 Tue, 22 Dec 2009 06:43:29 PST <![CDATA[How safe is chromium and what is its metabolic role in human physiology?]]> http://www.enotes.com/biology/q-and-a/chromium-safe-what-chromiums-role-human-body-125457 http://www.enotes.com/biology/q-and-a/chromium-safe-what-chromiums-role-human-body-125457 Tue, 22 Dec 2009 03:37:21 PST <![CDATA[Most green plants derive their nitogen from the soli as solutes...]]> http://www.enotes.com/biology/q-and-a/what-adaptations-carnivorous-plants-would-need-124949 http://www.enotes.com/biology/q-and-a/what-adaptations-carnivorous-plants-would-need-124949 Fri, 18 Dec 2009 03:24:08 PST <![CDATA[What are adaptations carnivorous plants? I would need details on this...]]> http://www.enotes.com/biology/q-and-a/what-adaptations-carnivorous-plants-would-need-124949 http://www.enotes.com/biology/q-and-a/what-adaptations-carnivorous-plants-would-need-124949 Fri, 18 Dec 2009 02:25:38 PST <![CDATA[actually you both are incorrect the vacuoles are located in the...]]> http://www.enotes.com/biology/q-and-a/where-cells-vacuoles-located-what-do-they-95507 http://www.enotes.com/biology/q-and-a/where-cells-vacuoles-located-what-do-they-95507 Thu, 17 Dec 2009 22:12:26 PST <![CDATA[Yes.  The two types of light sensitive cells in the retina, rods and...]]> http://www.enotes.com/biology/q-and-a/does-eye-color-affect-peripheral-vision-124457 http://www.enotes.com/biology/q-and-a/does-eye-color-affect-peripheral-vision-124457 Wed, 16 Dec 2009 09:18:32 PST