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Organics Keratin
Biology? 10 points to first correct answers!?
please only answer the questions you know, don't guess 
if you only know one or two it's okay with me! you still might get the 10 points! thanks! i forgot my book!
1. carbon electrons are so versatile because they can share _ atoms
a. 1 b. 2 c. 3 d. 4
2. Which of the following organic molecules are most closely related to proteins?
a. amino acids b. nucleotides c. fatty acids d. sugars
3. which of the follying is NOT true of monomers
a. monomers make up polymers
b. monomers are small molecules
c. polymers break into monomers through hydrolysis
d. monomers usually bond through ionic bonding
4. Which of the following is NOT a protein?
a. keratin b. RNA c. insulin d. hemoglobin
thanks!
1. d
they can share 4 covalent bonds because they have 4 valence electrons.
2. a
amino acids make up proteins
3. d
monomers bond through covalent bonds by dehydration synthesis. where the -OH of one monomer and the -H of another monomer come together to synthesize H20, connecting the two monomers and when breaking apart monomers that have connected, hydrolysis occurs, where H20 comes to the bond and separates the monomers apart, one with -OH and the other wtih -H
4. b
RNA is a nucleic acid
keratin is the protein in your hair
insulin is a protein because i know that genentech made a lotta money by finding the gene that makes it and started making it
hemoglobin is the protein in red blood cells
Look at A Video Relevant To Organics Keratin:
Organic Keratin.wmv
