Homework Answers
False
Both DNA and RNA are polymers of nucleotides. A nucleotide is made up of a five carbon sugar (pentose sugar), a nitrogenous base and a molecule of phosphoric acid. In DNA and RNA nuclotides are linked together by phospho diester linkages.
Lipids are not polymers. These are molecules that contain hydrocarbons and make up the building blocks of the structure and function of living cells. Examples of lipids include fats and oils, waxes, phospholipids, and steroids. Fats are a stored form of energy and are also known as triacylglycerols or triglycerides. In a triglyceride molecule three fatty acids (e.g. palmitic acid, oleic acid, stearic acid etc.) are ester linked to a single glycerol molecule.
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Question 13 2 pts DNA and RNA are polymers made up of lipids True False
1. DNA and RNA are examples of 2. Carbohydrates and lipids both contain the elements 3....
1. DNA and RNA are examples of 2. Carbohydrates and lipids both contain the elements 3. Proteins are made of are made of nucleotides. 5. Examples of lipids include 6. Sugars and starches are examples of 7. Muscle, skin, and enzymes are examples of 8. Nucleic acids are important because they contain your are a source of long-term stored energy. 10. Organic molecules that have the same chemical formula but different structural arrangements are called 11. Carbohydrates are important because...
8) The "backbones" of DNA and RNA molecules are identical. a. TRUE b. FALSE 9) The...
8) The "backbones" of DNA and RNA molecules are identical. a. TRUE b. FALSE 9) The 20 standard amino acids are distinguished from each other based by the presence of primary, secondary, or tertiary amino groups on the α carbon a. TRUE b. FALSE 10) The hairpin loop located opposite the open end of a tRNA molecule is the site where the tRNA hydrogen bonds to the hnRNA. a, TRUE b● FALSE 11) Replication usually begins at multiple places on...
7. (0.2 pts) Answer True/False and justify your answer. a) b) (0.1 pts) Double-stranded RNA preferentially...
7. (0.2 pts) Answer True/False and justify your answer. a) b) (0.1 pts) Double-stranded RNA preferentially form B-form polymers (0.1 pts) The dipoles of water molecules decrease the strength of other electrostatic interactions
Question 2 1 pts A sequence of DNA that contains information for the synthesis of RNA...
Question 2 1 pts A sequence of DNA that contains information for the synthesis of RNA molecules used in the manufacture of proteins is also known as a(n) intron. mutation. gene. codon. Flag this Question Question 3 1 pts A small segment of DNA on the template strand contains the base sequence CGT. If an mRNA transcript is made that includes this sequence, what would be the anticodon on the tRNA that would bind to this corresponding mRNA sequence? CGT...
Question 24 2 pts RNA differs from DNA because RNA can self-replicate, whereas DNA replication requires...
Question 24 2 pts RNA differs from DNA because RNA can self-replicate, whereas DNA replication requires enzymes. is double-stranded, whereas DNA is not. is replicated along with DNA, but does not require strand separation like DNA does. is never single-stranded, whereas DNA may or may not be. may double back and base pair with itself, whereas DNA does not.
48 minutes, 09 seconds. Question Completion Status: Naked viruses are composed only by lipids, proteins and...
48 minutes, 09 seconds. Question Completion Status: Naked viruses are composed only by lipids, proteins and nuclei acids True False QUESTION 35 Replication of double-stranded RNA viruses require: A viral RNA-dependent RNA polymerase O A cellular DNA-dependent RNA polymerase A cellular RNA-dependent DNA polymerase A viral DNA-dependent DNA polymerase Save All An Click Save and Submit to save and submit. Click Save All Answers to save all answers.
Question 16 1 pts Which is true of RNA polymerases in both prokaryotic and eukaryotic organisms?...
Question 16 1 pts Which is true of RNA polymerases in both prokaryotic and eukaryotic organisms? They have the same number of cofactors in prokaryotes and eukaryotes. They are composed of an analogous a 2ßß'w core. They make copies of RNA from either DNA or RNA templates. There is a single enzyme type per organism. Question 17 1 pts What are E. coli sigma (o) subunits in RNA synthesis? transcription factors receptor proteins RNA polymerases ODNA promoter regions Question 11...
ect Question 8 0/2 pts Which of the following statements about RNA polymerase is NOT true?...
ect Question 8 0/2 pts Which of the following statements about RNA polymerase is NOT true? RNA polymerase finishes transcription as soon as it reaches the terminator. RNA polymerase adds a ribonucleotide to the 3' end of a growing RNA molecule. During transcription of a gene, RNA polymerase reads only one strand of DNA. RNA polymerase binds to a promoter to initiate transcription. - U 000 20 O 3 $ 4 % 5 & 7 6. 8
strand(s) and the RNA molecule is made up of strand(s). The DNA molecule is made up...
strand(s) and the RNA molecule is made up of strand(s). The DNA molecule is made up of O a. 4; 2 Ob. 1; 1 O c. 2; 1 O d. 1; 2 O e. 2; 4 QUESTION 45 The formation of large molecules from small subunits is known as what kind of reaction? O a reduction O b.condensation Oc decarboxylation d. hydrolysis O e. oxidation What is formed when an atom loses or gains an electron? O a. ion b....
Question 38 1 pts What is the sequence of RNA that would be made from the...
Question 38 1 pts What is the sequence of RNA that would be made from the following segment of a gene? DNA 5 TTACGCATGGCA 3 O AAUGCGUACCGU O AATGCGTACCGT O UGCCAUGCGUAA. OTGCCATAGCGTAA
1. DNA and RNA are examples of 2. Carbohydrates and lipids both contain the elements 3. Proteins are made of are made of nucleotides. 5. Examples of lipids include 6. Sugars and starches are examples of 7. Muscle, skin, and enzymes are examples of 8. Nucleic acids are important because they contain your are a source of long-term stored energy. 10. Organic molecules that have the same chemical formula but different structural arrangements are called 11. Carbohydrates are important because...
8) The "backbones" of DNA and RNA molecules are identical. a. TRUE b. FALSE 9) The 20 standard amino acids are distinguished from each other based by the presence of primary, secondary, or tertiary amino groups on the α carbon a. TRUE b. FALSE 10) The hairpin loop located opposite the open end of a tRNA molecule is the site where the tRNA hydrogen bonds to the hnRNA. a, TRUE b● FALSE 11) Replication usually begins at multiple places on...
7. (0.2 pts) Answer True/False and justify your answer. a) b) (0.1 pts) Double-stranded RNA preferentially form B-form polymers (0.1 pts) The dipoles of water molecules decrease the strength of other electrostatic interactions
Question 24 2 pts RNA differs from DNA because RNA can self-replicate, whereas DNA replication requires enzymes. is double-stranded, whereas DNA is not. is replicated along with DNA, but does not require strand separation like DNA does. is never single-stranded, whereas DNA may or may not be. may double back and base pair with itself, whereas DNA does not.
48 minutes, 09 seconds. Question Completion Status: Naked viruses are composed only by lipids, proteins and nuclei acids True False QUESTION 35 Replication of double-stranded RNA viruses require: A viral RNA-dependent RNA polymerase O A cellular DNA-dependent RNA polymerase A cellular RNA-dependent DNA polymerase A viral DNA-dependent DNA polymerase Save All An Click Save and Submit to save and submit. Click Save All Answers to save all answers.
Question 16 1 pts Which is true of RNA polymerases in both prokaryotic and eukaryotic organisms? They have the same number of cofactors in prokaryotes and eukaryotes. They are composed of an analogous a 2ßß'w core. They make copies of RNA from either DNA or RNA templates. There is a single enzyme type per organism. Question 17 1 pts What are E. coli sigma (o) subunits in RNA synthesis? transcription factors receptor proteins RNA polymerases ODNA promoter regions Question 11...
ect Question 8 0/2 pts Which of the following statements about RNA polymerase is NOT true? RNA polymerase finishes transcription as soon as it reaches the terminator. RNA polymerase adds a ribonucleotide to the 3' end of a growing RNA molecule. During transcription of a gene, RNA polymerase reads only one strand of DNA. RNA polymerase binds to a promoter to initiate transcription. - U 000 20 O 3 $ 4 % 5 & 7 6. 8
strand(s) and the RNA molecule is made up of strand(s). The DNA molecule is made up of O a. 4; 2 Ob. 1; 1 O c. 2; 1 O d. 1; 2 O e. 2; 4 QUESTION 45 The formation of large molecules from small subunits is known as what kind of reaction? O a reduction O b.condensation Oc decarboxylation d. hydrolysis O e. oxidation What is formed when an atom loses or gains an electron? O a. ion b....
Question 38 1 pts What is the sequence of RNA that would be made from the following segment of a gene? DNA 5 TTACGCATGGCA 3 O AAUGCGUACCGU O AATGCGTACCGT O UGCCAUGCGUAA. OTGCCATAGCGTAA
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