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17 questions
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- Q1Who has historically been credited with discovering DNA?James Watson and Francis CrickRosalind Franklin and Maurice WilkinsP.A. LeveneFriedrich Meischer30s
- Q2Which of the following make up a nucleotidePhosphate, sugar, and a lipidcytosine and guanineadenine and thyminesugar and a lipid60sHS-LS1-1
- Q3What controls the process of DNA replication?tRNAenzymes, such as DNA helicasecodonsribosomes60sHS-LS1-1
- Q4What would be the mRNA complement to the following DNA sequence? ATG TGG TCC AAA GAG CAT TGAUAC ACC AGG UUU CUC GUA ACUTAC ACC AGG TTT CTC GTA ACTUAC TCC AGG UUU GAT TUA ACU120sHS-LS1-1
- Q5What is an anticodon?the portion of DNA that codes for a proteinbond between amino acids while they are in the ribosomethree mRNA bases that code for an amino acidthe three bases on a tRNA molecule that match with three bases on mRNA60sHS-LS1-1
- Q6What happens during anaphase of the cell cycle?Chromosomes line up at the center of the cellChromosomes are pulled apart towards opposite ends of the cellDNA condenses to form chromosomeschromosomes uncoil and the nucleus reappears60sHS-LS1-1
- Q7What is the first step in transcription?complementary bases come in and pair with old basesnew sugar-phosphate backbone is constuctedbases are proofreadOriginal DNA strand is unzipped45sHS-LS1-1
- Q8DNA is a double helix formed by which of the following molecules?lipidsproteinscarbohydratesnucleotides30sHS-LS1-1
- Q9Unlike DNA, which has thymine, RNA has...uanineureic acidmethionineuracil60sHS-LS1-1
- Q10Which of the following best identifies Base 1, on the left?Purineamino acidcytosinepyrimidine120sHS-LS1-1
- Q11What happens during telophase?chromosomes line upchromosomes are pulled apartchromosomes condensechromosomes uncoil and nucleus reappears60sHS-LS1-1
- Q12Which of the following could base 2 bind with?guaninepurinepyrimidineadenine120sHS-LS1-1
- Q13What is the last step of DNA replication?the sugar-phosphate backbone is constructedthe backbone bonds to the bases and the bases bind to each otherDNA is proofread to eliminate mistakesnew complementary bases pair with the old bases60sHS-LS1-1
- Q14What is the correct order for the steps of mitosis?prophase, metaphase, anaphase, telophase, cytokinesisprophase, metaphase, telophase, anaphase, cytokinesismetaphase, anaphase, prophase, cytokinesis, telophaseprophase, anaphase, telophase, metaphase, cytokinesis120sHS-LS1-1
- Q15What is transcription?binding amino acids together to form proteinsprocess which makes DAN ready to leave the nucleusmaking an mRNA copy of a gene for protein synthesisduplicating DNA60sHS-LS1-1