what is smaller than nucleotides?
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nucleosides- the building blocks of neucleotides are smaller than nucleotides
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a molecule of dna contains many nucleotides which contain a nitrogen containing base (adenice,guanine, cytosine or thymine), a deoxribose sugar, and a and a phosphate group
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With the most powerful electron micropscopes scientists can acheive a magnification of 2 million times which will still not allow us to see anything as tiny as proteins as molecules.  The smallest biological material that I can think of is nanobacteria that are 300 *10^-9 m in size but the existance of nanobacteria is still disputed.  The following gallery gives a good idea of the range that normal EM's work in.
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The next power of 10 smaller than nano (E-9) in SI units is pico (E-12).\n\nHowever, if your talking in terms of length, there is a unit called the "Ångström" which is 1E-10 meters.  This unit is sometimes seen when describing the size of atoms or chemical bonds.
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1) D. A nucleotide is is just a molecule that makes up RNA or DNA. One single nucleotide won't make sense unless you have the rest of the sequence.\n2) I'm not sure about this one, but I think it's D. Google it.\n3) A. It's part of the central dogma of Biology. DNA --transcription--> RNA --Translation--> Protein\n4) C\n5) The closest answer that you have there is D. However, it's not really assembling new materials to form the new cell wall. It's pinching the cell in half so that the cells will bud off from each other. See below for source. \n\nHope this helps.
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DNA is double stranded with Deoxyribose, and has the nucleic acids Guanine, Cytosine, Thyamine, and Adenine (GCTA)\n\nRNA is single stranded with ribose, and has the nucleic acids Guanine, Uracil, Adenine, and Cytosine (GCUA)\n\nUracil replaces Thyamine
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The smallest unit of living entities are viruses (nothing but packets of DNA).
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http://www.reference.com/browse/crystal/23235\nhttp://www.reference.com/search?q=nucleic%20acids
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Smaller means lesser too !
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Nucleotide = nitrogen base (purine or pyrimidine) + phosphate group + pentose sugar (ribose or deoxyribose)\nThey are units of DNA.\nNucleoside= nitrogen base(purine or pyrimidine)+ pentose sugar(ribose or deoxyribose)\nThey are units of RNA.\nHope u got it!
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An erythrocyte ( red blood cell ) is about 7 MICROMETRES in diameter i.e. 0.000 007 m   -->  7x10^-6 m\n\nPLEASE NOTE nanometres are a billionth of a metre i.e. a thousandth of a micrometre!!\n\nAn atom is about 0.2nm in diameter - the haemoglobin molecule itself is made of hundreds of atoms, and there are about 250,000 haemoglobin molecules in an erythrocyte!!\n\nNO CELL IS SMALLER THAN ABOUT 0.5 micrometre!!!
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Jaleesa, I think that you can use the same principle that I explained in the earlier question. The Sodium ion has fewer electrons and fewer shells, and is thus smaller than the potassium ion. But I think you should do the rest of your homework yourself.
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1. ATP is the amount of energy that your body has, so it's basically your body's energy.\n\n2. Nucleotides are monomers for nucleic acids\n\n3. Examples: DNA, RNA, etc.\n\n4. Monomers of Carbs: sugars (monosaccharides, disaccharide, polysaccharide) note: saccharide=sugar\n\n5. Proteins are linked by a peptide bond.\n\nHope this helped you out.
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Nucleic acids are acidic macromolecules found in the nucleus of a cell. They are DNA and RNA. The monomer of a nucleic acid is a nucleotide. It consists of a sugar (ribose for RNA or beoxyribose for DNA) a phosphate and a base. The four possible bases are (for DNA): Adenine, Guaniner, Cytosine, and Thymine. In RNA Thymine is replaced with Uracil, and the other 3 remain the same. Because there are four types of bases, there are four types of nucleotides.Since the phosphate and the sugar and constant, they are the backbone of a nucleotide. When nucleotides bond to form a long chain (a polynucleotide), the chain is a strand of DNA (which is double-stranded) or RNA (single-stranded). \nHope this helps ;-)
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b) has the smallest mass
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ATP and ADP have the same ribose and adenine, they don't differ in that. the only difference between them is that ATP contains three phosphate groups while ADP contains two phosphate groups.\n\nATP: Adenosine triphosphate\nADP: Adenosine diphosphate\n\nribose is the sugar and adenine is the nitrogen base in both ATP and ADP
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I use a 1 KB DNA ladder for electrophoresis and it comes with a paper to actually tell you which band represents which size fragment. Maybe you could look on the tech company's website. If you do not need to know the actual fragment size of each band, maybe you could just compare to make sure the band you need is there in the first place.