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When using adult genetic material to clone a mammal, which of the following is a problem? 25% 1. 25% 2 3 25% clones tend to have health problems not all genes in the clone are properly activated clones age and die younger than normal animals all of the choices 2. 3. 4. 1 25% 2 3 4 5 1 4 Inherited genetic information is coded in molecules of ________. 25% 1. 2. 3. 4. 1 25% 25% 2 3 25% RNA DNA proteins amino acids 2 3 4 5 1 4 If a virus with radioactive DNA infects a bacterium, which part will then be radioactive? 25% 25% 25% 2 3 25% 1. the viral protein coat 2. the bacterial protein coat 3. the bacterial RNA 4. the viral DNA inside the bacterium 1 2 3 4 5 1 4 ________ is a component of proteins, and ________ is a component of DNA. 25% 25% 25% 2 3 25% 1. sulfur, phosphorus 2. phosphorus, sulfur 3. phosphorus, amino acids 4. amino acids, sulfur 1 2 3 4 5 1 4 DNA contains all of the following nitrogencontaining bases except ________. 25% 1. 2. 3. 4. 1 25% 25% 2 3 25% adenine guanine thymine uracil 2 3 4 5 1 4 In the DNA double helix, which chemical group faces outward? 25% 25% 25% 2 3 25% 1. the bases 2. the charged phosphate group 3. the hydrogen bonds 4. the sugar group 1 2 3 4 5 1 4 In the DNA molecule, hydrogen bonds form between ________. 25% 25% 25% 2 3 25% 1. sugar and phosphate groups 2. base pairs 3. the nitrogen base and sugar groups 4. phosphate groups and the nitrogen base 1 2 3 4 5 1 4 The diversity of DNA is due to the ________. 25% 25% 25% 2 3 25% 1. bonding patterns 2. sugar-phosphate backbone 3. number of bases 4. variation in base sequences 1 2 3 4 5 1 4 Semiconservative replication means that each new DNA molecule contains ____. 25% 25% 25% 2 3 25% 1. slightly different code 2. the same code but all new nucleotides 3. one new strand and one old strand 4. a single helix 1 2 3 4 5 1 4 In DNA replication, the parent strand ________. 25% 25% 25% 2 3 25% 1. reproduces itself exactly 2. binds random free nucleotides 3. acts as a template to bind complementary nucleotides 4. all of the choices 1 2 3 4 5 1 4 Which enzyme seals together new nucleotides attached to a parent strand of DNA? 25% 1. 2. 3. 4. 1 25% 25% 2 3 25% DNA polymerases DNA ligases hydrogenases helicases 2 3 4 5 1 4 Which of the following is not a function of DNA polymerase? 25% 1. 25% 2 3 25% it binds free nucleotides to a DNA parent strand it splits phosphate groups from free nucleotides during strand assembly it corrects base-pair mismatches it assembles new strands in the 3'-5' direction 2. 3. 4. 1 25% 2 3 4 5 1 4 DNA proofreading mechanisms include ________. 25% 1. 2. 3. 4. 1 25% 25% 2 3 25% DNA polymerase repair enzymes glycosylases all of the choices 2 3 4 5 1 4 Discontinuous assembly on a parent DNA strand occurs because nucleotides ________. 25% 1. 25% 2 3 25% are assembled randomly can only be joined to an exposed -OH group can only be joined to phosphate groups can only be joined by DNA polymerases 2. 3. 4. 1 25% 2 3 4 5 1 4 The term "cloning" applies to ________. 25% 1. 25% 2 3 25% making multiple copies of DNA fragments the natural occurrence of identical twins the introduction of an adult nucleus into egg cytoplasm all of the choices 2. 3. 4. 1 25% 2 3 4 5 1 4 Cloning an adult mammal eliminates ________. 25% 25% 25% 2 3 25% 1. sexual reproduction 2. genetic mixing 3. fertilization 4. all of the choices 1 2 3 4 5 1 4 Therapeutic cloning places DNA from an ________ into a stripped ________ cell. 25% 1. 2. 3. 4. 1 25% 25% 2 3 25% adult cell, egg early embryo, egg adult organ, stem early embryo, stem 2 3 4 5 1 4 Which cloning procedure does not use genetic material from differentiated cells? 25% 25% 25% 2 3 25% 1. therapeutic cloning 2. adult cloning 3. embryo cloning 4. reproductive cloning 1 2 3 4 5 1 4 Cloned animals may be comparable to the original donor in ________ but not ________. 25% 25% 25% 2 3 25% 1. appearance, behavior 2. behavior, age 3. appearance, genetic composition 4. genetic composition, appearance 1 2 3 4 5 1 4 Franklin's x-ray diffraction images revealed the ________ of DNA. 25% 1. 2. 3. 4. 1 25% 25% 2 3 25% helical structure genetic function replication method base pairing 2 3 4 5 1 4