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  Why is the term "dehydrogenation" appropriate for the following defintion?

  Posted by catlover on Dec 2, 2009 at 08:11 PM

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  What 4 atoms do protein molecules always contain? What other atoms might they contain?

  Posted by enotechris on Dec 2, 2009 at 07:56 PM

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  Are the following Proteins, Carbohydrates, lipids, or Nucleic Acids?  

  Posted by emilysmith101 on Dec 2, 2009 at 02:15 PM

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  Why do alcoholics suffer from a lack of essential fatty acids (Omega 3)?

  Posted by gudeapp on Nov 23, 2009 at 07:42 AM

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  Significance of acid phosphatase increasing ?

  Posted by lessoflot on Nov 23, 2009 at 05:44 AM

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  You will have read that proteins are polypeptides composed of large numbers of amino acids linked together.

  Posted by jenny101 on Nov 18, 2009 at 05:51 PM

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  Explain how information is transferred through DNA on chromosomes when cells divide.

  Posted by mdei on Nov 18, 2009 at 03:43 AM

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  How is dopamine involved in addiction?

  Posted by fulla on Nov 14, 2009 at 07:06 PM

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  Identify and explain what could go wrong if your blood pH goes below, 7.0. And, what could go wrong if your blood pH were to increase above 7.8.

  Posted by rose101 on Oct 21, 2009 at 04:35 PM

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  What is the difference between respiration and photosynthesis?

  Posted by angi1 on Oct 21, 2009 at 07:23 AM

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  Explain with concerned reaction at wich Glicolisis regulated

  Posted by sagar1562 on Oct 20, 2009 at 10:05 PM

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  Expalin Cell Mediated Immune System?

  Posted by hudson23 on Oct 19, 2009 at 04:56 AM

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  What are some of the differences between DNA and RNA?

  Posted by alfurqaan on Oct 17, 2009 at 06:01 AM

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  Describe the journey of a starch molecule in a piece of bread as it passes through the gut?

  Posted by syedajmain on Oct 16, 2009 at 10:04 PM

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  Are complex carbs fat or water soluble?

  Posted by leahbraz on Oct 13, 2009 at 07:43 AM

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  normal healthy fasting blood calcium condentrations is about 5mM. What is this concentration in percentage? show work.

  Posted by johnvandesteeg on Oct 1, 2009 at 05:18 PM

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  why ethanol is added in purifying saliva  

  Posted by himali on Sep 22, 2009 at 06:47 AM

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  What happens during the process of conjugating BSA to oligos and BSA to SANH?  In other words, what is the science behind it?  

  Posted by lakersfannn on Aug 26, 2009 at 05:18 PM

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  What is the association and Dissociation rate of Histidine Buffer?

  Posted by bhuv on Jun 5, 2009 at 02:18 AM

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  Discuss the synthesis of diglutamate from serine, including all enzymes, cofactors, and substrates.

  Posted by ec4birdman on May 13, 2009 at 03:39 PM

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  why is ti that thymine is present only in DNA molecules? why is it that too that uracil is present only in RNA molecules? asap pls  

  Posted by miahmitch on May 3, 2009 at 01:43 PM

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  all cells stay alive by?

  Posted by msjenkins28 on Apr 13, 2009 at 06:03 AM

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  1. State whether blood plasma is a good buffer or not. 2. What is the effect of HCl on standard buffer solution?

  Posted by kenis on Mar 27, 2009 at 09:14 AM

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  I understand that water cannot be magnetized. Can lymph fluid?

  Posted by minxwolf on Feb 17, 2009 at 07:52 AM

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  What is the name and the length of the shortest protein in the human body?

  Posted by hp28 on Feb 9, 2009 at 04:24 PM

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  How is CO2 measured in the geologic past?

  Posted by survivr77 on Feb 2, 2009 at 01:48 PM

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  Write in detail the enantiomers of sugars?

  Posted by majidsamyy on Jan 28, 2009 at 07:19 AM

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  How do green algae absorb CO2 and H2O...since it's nonvascular?

  Posted by dani2013 on Jan 18, 2009 at 12:30 PM

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  Advice on intro, main body in writing bio report on general use of hormone replacement therapy in people who can't secrete aldosterone?

  Posted by disney123 on Jan 1, 2009 at 08:08 PM

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  Biology - What is the general use of hormone replacement therapy in people who cannot secrete aldosterone? I need to write a report.

  Posted by disney353 on Jan 1, 2009 at 08:00 PM

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  Are diseased body tissues always acidic with a pH less than 7.0?

  Posted by bensimo on Jan 1, 2009 at 06:00 AM

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  Why is energy released when glucose is oxidized during aerobic respiration?

  Posted by ttt12 on Dec 14, 2008 at 06:47 PM

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  What are three differences and two similarities between active and passive transport?

  Posted by ttt12 on Dec 2, 2008 at 06:12 PM

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  What is the importance of purple non sulfur bacteria?

  Posted by ttt12 on Nov 30, 2008 at 10:43 AM

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  How do these organelles assist each other by working together:    Nucleolus and Ribosomes Endoplasmic reticulum (ER) and Ribosomes

  Posted by liln8ve on Nov 26, 2008 at 03:17 PM

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  The volume of water in a cell governed mainly by the amount of ____ in the cytoplasm. is it protein, NA+, or K+ ?

  Posted by katleigh on Nov 26, 2008 at 08:16 AM

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  What is the structural formula of carbohydrates?

  Posted by reem1994 on Nov 25, 2008 at 09:00 PM

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  What are mesosomes and how do they work?

  Posted by charles85 on Nov 18, 2008 at 05:19 AM

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  What are bacterial cells and how are they arranged?

  Posted by isabellajone on Nov 17, 2008 at 05:09 AM

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  What are the 5 activities all cells must perform to stay alive?

  Posted by liln8ve on Nov 12, 2008 at 03:26 PM

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  What is the advantage to the cell of having different organelles that carry out specialized functions?

  Posted by liln8ve on Nov 10, 2008 at 12:49 PM

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  How are electric potential and the corresponding signal produced in the heart?

  Posted by rajeshkumar on Nov 2, 2008 at 03:01 AM

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  How many of each of the following molecules are produced in each step of cellular respiration: ATP, NADH, FADH, and CO2?  Please include glycolysis, transition reaction, Krebs cycle, and oxidative phosphorylation.

  Posted by fljlsdf on Oct 30, 2008 at 06:16 PM

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  What organelles and regions of the cell are involved in cell respiration?

  Posted by mgarci on Oct 29, 2008 at 07:08 PM

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  Why do some organisms survive in salt water but not others?

  Posted by kaitlinliquori on Oct 22, 2008 at 02:57 PM

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  How CO2 and H2O get to the photosynthesising cell?

  Posted by babdancer95 on Oct 20, 2008 at 07:19 PM

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  How is sugar made by photosynthesis in a plant cell?

  Posted by babdancer95 on Oct 19, 2008 at 11:04 AM

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  What are the differences and similarities between the carbon cycle and nitrogen cycle and how can we identify them?

  Posted by yueying on Oct 4, 2008 at 01:25 AM

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  What is CHEMOSYNTHESIS?

  Posted by jehnecis on Oct 2, 2008 at 07:44 PM

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  What is the difference between photosynthesis and respiration?

  Posted by scott-locklear on Apr 7, 2008 at 04:47 PM