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please answer all 4 pages most are multiple choice...

Question: please answer all 4 pages most are multiple choice...

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Please Answer: All 4 Pages ( most are multiple choice some are open enden writing short answer)

000O00 OOOO0bases, how many G bases does the corresponding single- If a 40 base single stranded piece of DNA contains 22 T stranded DNA contain? Select one: O a. Not enough information Ob. 22 Od. 18 ое, 36 1 00If a 35 base pair double stranded piece of DNA contains 11 C bases, how many T bases does it contain? Hint: A drawing will help 3The two DNA strands of a chromosome are held together by What keeps the 2 single strands together to form a double Select one or more: Oa, the centromere Ob. DNA polymerase Oc. DNA backbone Od. base complementarity Oe. hydrogen bonds Of. covalent bonds 1 0 Analysis of the bases of a sample of nucleic acid yielded these Fren- percentages: A. 20%; G. 3096; C. 20%; T, 30%. The sample could be Select one or more: Ob. single-stranded RNA Oc. single-stranded DNA Od. double-stranded DNA. which of the following is not true about a linear molecule of -...00 Select one: O a. Bases are paired via hydrogen bonds Ob. It is a double helix composed of antiparallel strands. . At one end, two 5 phosphate groups can be found. Od. Pentose sugars are linked via covalent phosphodiester bonds

10Which of the following is not true about a linear molecule of Select one: a. Bases are paired via hydrogen bonds. Ob. It is a double helix composed of antiparallel strands. Oc. At one end, two 5 phosphate groups can be found. Od. Pentose sugars are linked via covalent phosphodiester bonds. Maknd o 00In the Hershey-Chase experiment, T2 phage were radioactively labeled with either 35S or 32P, and allowed to infect ε what results proved that DNA was the genetic material? Select one: O a. The 35S was found in progeny phage, and the 32P was found in phage ghosts. O b. The 35S was found in phage ghosts, and the 32P was found in progeny phage. Oc. The 32P was found in both progeny phage and in phage ghosts. Od. The 35S was found in both progeny phage and in phage ghosts. Which of the following clusters of terms accurately describes DNA as it s generally viewed to exist in prokaryotes and eukaryotes? F Rag etionSelect one: O a. double-stranded, antiparallel, (A TNC G)variable, (A GMC+ Ob. single-stranded, antiparallel. (A + Tyc + G) = 1.0, (A + G)/C + T)- C. double-stranded, parallel, (A TVC G)variable, (A G(C T) double-stranded, parallel. (A + T)/C + G)-1.0. (A + G)/(C + T) = 1.0 Oe. double-stranded, antiparallel, (A TyC+ G) variable, (A+ GVCT) variable DNA molecules of different sizes are often separated wit the use of a echnique called electrophoresis. With this technique, DNA molecules are placed in a gel, and he DNA molecules migrate toward the +pole of the current. What aspect of its structure causes a DNA molecule to migrate toward the positive pole? Select one: Oa. The double helix Ob. The Nitrogenous Bases Oc. DNA is positively charged Od. The phosphate backbone

DNA molecules of different sizes are often separated wit the use of a technique called electrophoresis. With this technique, DNA molecules are placed in a gel, and he DNA molecules migrate toward the + pole of the current. What aspect of its structure causes a DNA molecule to migrate toward the positive pole? Select one: O a. The double helix Ob. The Nitrogenous Bases Oc. DNA is positively charged Od. The phosphate backbone Oe. The Hydrogen Bonds Which of the following DNA molecules has the lowest melting Ndtemperature? agnSelect one: Ob. AAATTGCGCGCCCGA O d. AGGGTGGCTTAACGG e. GAATTCCAATGTATA Ostan 10 A diploid human cell contains approximately 6.4 bilion base pairs of Rag qectionHow many histone proteins are complexed to this DNA? Answer How different is your Genome from your friends? Are most of these differences important in terms of phenotypic expression? Why or why not? Descnibe how the definition of both phenotype and genotype has changed firom its eniginal meaning back in the 1800s to what these tems mean in modern day genctics

Question 12 Not yet answered Not graded P Flag question Describe how the definition of both phenotype and genotype has changed from its original meaning back in the 1800s to what these terms mean in modern day genetics. Question 13 Not yet answered Describe four major functions of DNA in a cell. Not graded

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