Heat can disrupt hydrogen bonding between DNA strands, causing denaturation. Which of the following DNA strands...
Heat can disrupt hydrogen bonding between DNA strands, causing denaturation. Which of the following DNA strands would have the HIGHEST denaturation temperature considering the different number of base pairs between the various bases?
10% AT and 90% GC
90% AT and 10% GC
50% AT and 50% GC
70% AT and 30% GC
30% AT and 70% GC
Homework Answers
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Heat can disrupt hydrogen bonding between DNA strands, causing
denaturation. Which of the following DNA strands...
Which of the following is true? a. The two strands of a DNA molecule are held...
Which of the following is true? a. The two strands of a DNA molecule are held together by covalent bonds. b. Hydrogen bonding between complementary base pairs causes the DNA molecule to twist into a spiral. c. A single strand within a DNA molecule is held together by hydrogen bonds. d. The bases on one strand of DNA are held to the bases on the other strand by hydrogen bonds.
Which of the following statements about hydrogen bonding between nucleotides on opposite strands is correct (choose...
Which of the following statements about hydrogen bonding between nucleotides on opposite strands is correct (choose all that apply). A always pairs with T G always pairs with T. C always pairs with G. A always pairs with C.
Question 33 2 pts Which of the following statements about the process of DNA replication is...
Question 33 2 pts Which of the following statements about the process of DNA replication is true? It involves the enzyme DNA ligase, which corrects point mutations. It utilizes DNA polymerase, which catalyzes the reaction that adds a new nucleotide to the growing strand. The sequence on the new strand is always identical to one of the old parent strands. Adenine pairs with guanine, and cytosine pairs with thymine. Question 34 2 pts The DNA base...
10. Which of the following statements best summarizes the differences between DNA and RNA? Group of...
10. Which of the following statements best summarizes the differences between DNA and RNA? Group of answer choices DNA nucleotides contain a different pyrimidine base than RNA nucleotides. The bases in DNA contain sulfur, whereas the bases in RNA do not contain sulfur. The bases in DNA contain sugars, whereas the bases in RNA do not contain sugar. DNA encodes hereditary information, whereas RNA does not. DNA nucleotides contain a different purine base than RNA nucleotides. 9. A phospholipid is...
20. Protein amino acid side chains can hydrogen bond in the major groove of DNA, and...
20. Protein amino acid side chains can hydrogen bond in the major groove of DNA, and discriminate between each of the four possible base pairs. In which one of the following groups of amino acids can all three members potentially be used in such DNA-protein recognition? A) Ala, Asn, Glu B) Arg. Gin, Leu C) Asn, Gin, Trp D) Asn, Glu, Lys E) Glu, Lys, Pro 21. Compared with DNA polymerase, reverse transcriptase: A) does not require a primer to...
can you guys please give me the correct answers and explain why? 12. Which of the...
can you guys please give me the correct answers and explain
why?
12. Which of the following statements concerning histones is INCORRECT? A. The N-terminal tails of histone proteins are frequently post-translationally modified B. Histones are small, basic proteins. C. Histones bind DNA via hydrogen bonding with bases in the major groove. D. Histone HI is not one of the core histones. E. Histones are present in eukaryotes but not bacteria. V 13. You are studying two E coli genes...
4. The basie differences between RNA and DNA are a. the organic bases only b. bases, ribose uaits...
4. The basie differences between RNA and DNA are a. the organic bases only b. bases, ribose uaits, and the phosphodiester linkage c. bases, ribose units, and the glycosidic bond type bases and the ribose units oaly 5. The solubility characteristics of the pyrimidine or purine bases and the corresponding nucleosides differ greatly. Which of the following statements is not true? a. purine bases are quite soluble in water b, nucleosides are much more soluble than the corresponding bases c....
Experiment 3: Following Chromosomal DNA Movement through Meiosis In this experiment, you will follow the movement...
Experiment 3: Following Chromosomal DNA Movement through Meiosis In this experiment, you will follow the movement of the chromosomes through meiosis I and II to create gam- etes. Materials Procedure Trial 1 As prophase I begins, the replicated chromosomes coil and condense... 1. Build a pair of replicated, homologous chromosomes. 10 beads should be used to create each individual sister chromatid (20 beads per chromosome pair). The five-holed bead represents the centromere. To do this... For example, suppose you start...
Titration: Acids and Bases 2. How can you determine which acid is diprotic? 3. using the...
Titration: Acids and Bases
2. How can you determine which acid is diprotic?
3. using the answers to questions one and two, which acid is
diprotic?
4. Which base has more hydroxide ions per molecule?
Acid Volume Base Base Initial Volume (mL) Base Final Volume (mL) Volume of Base Used (mL) Acid: Base Ratio Acid 1 20 mL Base 1 50 mL 34.5 15.5 4:3 Acid 2 20 mL Base 1 Acid 1 20 mL Base 2 Acid 2 20...
Which of the following is TRUE of incomplete penetrance? Select one: a. Epistatic interactions can result...
Which of the following is TRUE of incomplete penetrance? Select one: a. Epistatic interactions can result in incomplete penetrance in some cases. b. Environmental factors do not influence penetrance. c. Incomplete penetrance implies that some individuals will experience less severe forms of disease, such as cancer or Alzheimer's. d. Incomplete penetrance is never observed with Huntington's disease e. Incomplete penetrance refers to cases in which individuals developing a particular disease (e.g., cancer or Alzheimer's) lack the typical genotype for this...
Which of the following statements about hydrogen bonding between nucleotides on opposite strands is correct (choose all that apply). A always pairs with T G always pairs with T. C always pairs with G. A always pairs with C.
20. Protein amino acid side chains can hydrogen bond in the major groove of DNA, and discriminate between each of the four possible base pairs. In which one of the following groups of amino acids can all three members potentially be used in such DNA-protein recognition? A) Ala, Asn, Glu B) Arg. Gin, Leu C) Asn, Gin, Trp D) Asn, Glu, Lys E) Glu, Lys, Pro 21. Compared with DNA polymerase, reverse transcriptase: A) does not require a primer to...
can you guys please give me the correct answers and explain
why?
12. Which of the following statements concerning histones is INCORRECT? A. The N-terminal tails of histone proteins are frequently post-translationally modified B. Histones are small, basic proteins. C. Histones bind DNA via hydrogen bonding with bases in the major groove. D. Histone HI is not one of the core histones. E. Histones are present in eukaryotes but not bacteria. V 13. You are studying two E coli genes...
4. The basie differences between RNA and DNA are a. the organic bases only b. bases, ribose uaits, and the phosphodiester linkage c. bases, ribose units, and the glycosidic bond type bases and the ribose units oaly 5. The solubility characteristics of the pyrimidine or purine bases and the corresponding nucleosides differ greatly. Which of the following statements is not true? a. purine bases are quite soluble in water b, nucleosides are much more soluble than the corresponding bases c....
Titration: Acids and Bases
2. How can you determine which acid is diprotic?
3. using the answers to questions one and two, which acid is
diprotic?
4. Which base has more hydroxide ions per molecule?
Acid Volume Base Base Initial Volume (mL) Base Final Volume (mL) Volume of Base Used (mL) Acid: Base Ratio Acid 1 20 mL Base 1 50 mL 34.5 15.5 4:3 Acid 2 20 mL Base 1 Acid 1 20 mL Base 2 Acid 2 20...
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