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Select all of the following that are required for materials to be transported in phloem synthesis...
Which of the following statements is FALSE? Nucleotides are only ever linked to one another 5’ to 3’ DNA can contain Uracil as a result of a chemical reaction MutS/MutL only works to repair the lagging strand of synthesis Alternative splicing happens in every eukaryotic gene All of these statements are false The protein that phosphorylates the CTD to initiate transcription is called EF-Tu eIF4 TFIID TFIIH RNA polymerase Which of these enzymatic activities in DNA replication require the input...
Which of the following is a chemical or structural characteristic of RNA? The RNA sugar is ribose, which has an OH group on the 2' carbon. O RNA is usually a single-stranded molecule. The bases in RNA include uracil instead of thymine. RNA molecules are generally shorter in length compared DNA macromolecules. All of the above are either a chemical or structural characteristic of RNA. Which of these sequences could form a hairpin? 5' GGGGTTTTCCCC 3' 5' AAAAAAAAAAAA 3' 5'...
The following diagram represents a replication bubble associated with DNA synthesis. Based on this diagram, select all of the options below that are true. 1 | 2 ---- Quadrants 1 and 4 are associated with lagging strand synthesis Quadrants 1 and 4 are associated with leading strand synthesis Quadrants 1 and 2 are associated with lagging strand synthesis Quadrants 3 and 4 are associated with lagging strand synthesis Synthesis of both daughter strands is completely continuous Telomerase activity is needed...
What role does mRNA play in the process of protein synthesis? Choose all that apply. Select one or more: Every three nucleotides binds an amino acid It opens up the DNA strand for transcription to occur ] c. It is a template for the arrangement of tRNAS 1 d. It determines the order in which amino acids are added to the growing protein e. It copies DNA to be used in later steps
Which of the following make(s) the Southern blot technique possible? (Select all that apply.) A) New nucleotides are added only to the 3' end of a growing DNA strand. B) A DNA strand whose 3' end terminates in a dideoxynucleotide cannot be elongated. C) Complementary single-stranded nucleic acid sequences can come together to form a duplex molecule. D) Duplex nucleic acid molecules can be separated by size by means of electrophoresis. E) Single-stranded nucleic acid molecules can be immobilized on...
Question 14 1 points Save Answer DNA replication poses several challenges to the cell that must be resolved for replication to proceed. All of the following are cellular solutions to the challenges posed by DNA replication except... O A. Helicase unwinds to the DNA to allow the replication fork to form. O B. Primase synthesizes an RNA primer since DNA polymerase can only extend an existing polynucleotide chain. O C. Higher eukaryotes utilize multiple origins of replication to reduce the...
4. In a lake governed by the food web shown in the image to the right, 500 brown trout are added from fisheries. Which of the following outcomes would most likely be expected? A. Tadpole population will increase B. Duck population will decrease C. Algae population will increase D. Lilly Pad population will decrease E. Caddis Fly larvae will increase 5. Which of the following pieces of evidence most strongly supports a common ancestor of all life on Earth? A....
What is the Central Dogma of genetics? -- EXPLAIN Corynebacterium diptheriae, the causative agent of diptheria, secretes a toxin that enzymatically inactivates all molecules of elongation factor in a eukaryotic cell. What immediate and long-term effects does this have on the cellular metabolism of an infected person? -- EXPLAIN What is the difference between horizontal gene transfer and vertical gene transfer? -- EXPLAIN After running gel electrophoresis, what do the black bands represent? What can those bands tell us, and...
Please help with 1-16!!! (two pictures are attached) Thanks! Transcription . Although both prokaryotes and eukaryotes put a cap and a tail on the mRNA, only eukaryotes have introns that have to be spliced out. (T/F) 2. The poly A tail on cukaryotic mRNA protects the RNA from rapid degradation in the cytoplasm. (T/F) 3. The polyA tail is added to eukaryotic mRNA immediatel after transport of the message from the nucleus. (T/F) 4. is usually a single stranded molecule....
42. Which statement is NOT true about DNA? a) DNA acts like an enzyme by binding amino acids together using dehydration synthesis. b) Before cells divide both strands must be copied and one is provided for each new cell cm RNA is copied from a piece of DNA termed a gene. d) DNA is not always copied perfectly. Mistakes, mutations, occur and result in changed proteins, e) DNA functions as code for the synthesis of proteins. 43. A section of...