Bio 1100 Final Ecu Exam Questions With Verified Answers

Bio 1100 FINAL ECU EXAM QUESTIONS WITH VERIFIED ANSWERS .Saturated Fatty Acids can exist in cis and trans configuration but unsaturated fatty acids cannot false .LDL is good cholesterol and HDL is bad cholesterol. False .Waxes are a class of lips that constitute og long chain alcohols esterified to long chain fatty acids. This is different from triglycerides where fatty acids are estrified with glycerol back bone true .Triglycerides have fatty acids are esterified with glycerol back bone, and phospholipids are triglyceries where one fatty acid chain is replaced by phosphate group true .What may a nucleotide of DNA contain deoxyribose, thymine, and a phosphate group (DTP) .what is found in RNA and not in DNA ribose and uracil .What is the largest amount of DNA found in a Eukaryotic Cell in the nucleus .If DNA of a particular species was analyzed and it was found that it contains 27 percent T what would be the percentage of G 25% .The expiraments by Hershey and Chase helped confirm that DNA was hereditary material on the basis of what finding? Radio active phosphorus .What are some difference between DNA and RNA DNA contains Deoxyribose and thymine, while RNA contains ribose and uracil .What do RNA and DNA have in common Both contain four different nucleotides. .Explain how the compnets of DNA fit together? involves phosphodiester bond, glycosidc bond and hydrogen bond .The bond between sugar molecule and nitrogenous base is called glycosidic linkage in DNA but not RNA False .Phosphoric acid molecule forms a bridge between 5' carbon of one nucleotide with 3' carbon of another molecule. this establishes 5'-3' direction in DNA synthesis. WHat is this bond called phosphodiester bond .RNa is single stranded, has uracil in place of thymine, contains ribose not deoxyribose and is of three following types; mRNA, tRNA,rRNa true .BLA BLAh Do you think in the coming years these RNA will prove to be more biologically involved than we know yes .MATCHING DNA double stranded RNA ribose sugar nucleotide sugar, base, phosphate .HErshey and Chase DNA is genetic material .Watson and Crick DNA structure .cellose and starch are examples of polysacchrides .Lactose is a diasacchride formed by the formation of - bond between glusoce and - glycosidic ; galactose .The monomers that makeup protein are called Amino acids .The A helix and B helix sheet are part of which protien structure secondary .Amino acids have genetic structure seen below where R represents some carbon based side chains True .protien synthesis is directional, from C to N terminal false .Amino acid polymer chain can adopt A helix or B sheet structures because og hydrogen bonding between side chain and amino groups in the peptide backbone true .what is the hierchy in protien structure primary, secondary, tertiary, quaternary .in sickle cell hemoglobin the glutamate is replaced by valine. this change is mutation true ,Chaperones maintain functional proteins (proteome) in living organisms and prevents diseases true