Question 8 of 40 00 25 points why are hydrogen bonds

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Question 8 of 400.0/ 2.5 PointsWhy are hydrogen bonds holding DNA bases together instead of covalent bonds?
A. hydrogen bonds are easier to break allowing for DNA copyingB. covalent bonds cannot attach purines and pyramidinesC. enzymes cannot break covalent bondsD. hydrogen bonds are stronger than covalent bondsFeedback:Incorrect:Learning Objective Text: Describe the structure of DNAQuestion 9 of 402.5/ 2.5 PointsProkaryotes are able to perform transcription and translation at the same time because they lack
D. a nucleusE. plasmidsFeedback:CorrectQuestion 10 of 402.5/ 2.5 PointsLow pitched male voices (RR) and a high pitched male voice (rr). Heterozygotes have a baritonevoice. This is an example of _________.
Feedback:Learning Objective: Identify non-Mendelian inheritance patterns such as incomplete
dominance, codominance, recessive lethals, multiple alleles, and sex linkageQuestion 11 of 402.5/ 2.5 PointsA child contains what proportion of their parent’s genetic makeup?
Feedback:CorrectQuestion 12 of 402.5/ 2.5 PointsIf a DNA sample from an unknown organism has telomerase, the organismA. Will have a single origin of replicationB. Has circular DNA
C. Is prokaryoticD. Is bacteriaE. Is eukaryoticFeedback:CorrectQuestion 13 of 402.5/ 2.5 PointsWhat type of enzyme cuts the pre-mRNA between the AAUAAA consensus sequence and a GU-rich sequence?
D. sequenaseFeedback:CorrectQuestion 14 of 400.0/ 2.5 PointsNondisjunction during meiosis I will result in ________.
Feedback:Learning Objective: Explain how nondisjunction leads to disorders in chromosomenumberQuestion 15 of 402.5/ 2.5 Points
that applyA. mRNAB. rRNAC. siRNAD. tRNA
Feedback:CorrectQuestion 16 of 402.5/ 2.5 PointsWhat best describes the difference between paracentric and pericentric inversion?
Feedback:Learning Objective: Describe how errors in chromosome structure occur throughinversions and translocationsQuestion 17 of 402.5/ 2.5 Points

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Biology, DNA, Exam 3 Chapters 12 15

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