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The following is a simplified figure of the structure of a DNA molecule. The red box...
1. Which of the following is / are TRUE regarding a DNA molecule? a) A SINGLE...
1. Which of the following is / are TRUE regarding a DNA molecule? a) A SINGLE DNA molecule consists of 2 nucleotide chains b) Covalent, phosphodiester bonds connect the nucleotides of a single nucleotide chain together c) Phosphodiester bonds join the separate nucleotide chains to one another forming a single molecule d) Hydrogen bonds join the separate nucleotide chains to one another forming a single molecule 2. During DNA replication, the enzyme helicase: a) Unwinds the double helix b) Functions...
Question 1: In DNA, which of the following functional groups plays a key role in polymerization...
Question 1: In DNA, which of the following functional groups plays a key role in polymerization (covalent linkage of the monomer nucleotides)? A. phosphate B. methyl C. sulfhydryl D. hydrogen E. nitrogen Question 2. The named components of a nucleotide of RNA are A. ribose, phosphate, A,U,G or C base B. deoxyribose, phosphate, A, T, G or C base C. deoxyribose, phosphate, A, U, G, or C base D. ribose, phosphate, A, T, G or C base Question 3. In...
Which of the following statements is true for DNA only? ( it can be more than...
Which of the following statements is true for DNA only? ( it can be more than one) A. It contains the pyrimidine thymine. B. Bases are attached to sugars in an α-N-glycosidic linkage. C. It contains the sugar ribose. D. It contains a 2' hydroxy group. Which of the following statements is true for both DNA and RNA? ( can only be one) A. Both can be hydrolyzed in alkaline solution. B. In base composition, %G = %C. C. In...
RNA differs from DNA in that it: all of the above contains ribose sugar contains uracil...
RNA differs from DNA in that it: all of the above contains ribose sugar contains uracil is usually found as a single-stranded molecule in cells Question 21 pts The correct order of steps in a PCR cycle is: Extension, denaturation, annealing Annealing, extension, denaturation Annealing, denaturation, extension Denaturation, annealing, extension The goal of the polymerase chain reaction (PCR) is to: Amplify a small amount of DNA sequence Cleave DNA molecules Digest bacterial plasmids Sequence DNA Which of the following is...
1. (4 points) Describe the following related to water. a. (1 pts) Describe one thing that...
1. (4 points) Describe the following related to water. a. (1 pts) Describe one thing that is special about the bonds between oxygen and hydrogen in a water molecule that makes hydrogen-bonding possible. b. (3 pts) Describe why hydrogen-bonding in water important to life using at least three reasons or examples 2. (2 points) Circle the differences between DNA and RNA on both images. DNA Nitrogenous base (A, G, C, or T) RNA Nitrogenous base (A,G, C, or U) H...
Below is a diagram of a section of a DNA molecule. Answer the question based on...
Below is a diagram of a section of a DNA molecule. Answer the
question based on the diagram. Here are the answers for
questions.
3' end of strand
5' end of strand
deoxyribose sugar
ribose sugar
hydrogen bonds between nitrogenous bases
phosphodiester bond containing phosphate group
purine bases
pyrimidine bases.
A indicates -
B indicates -
C indicates -
D indicates -
E indicates -
G indicates -
H indicates -
сн. о. он,С, А1 т он,с.
What is/are the variable structure(s) of a DNA nucleotide?
What is/are the variable structure(s) of a DNA nucleotide? Select one: a. The nitrogenous base b. The sugar c. The phosphate group d. The sugar and the base
The structure below represents a NH2 N N N N НО. OH A) nucleic acid B)...
The structure below represents a NH2 N N N N НО. OH A) nucleic acid B) nucleoside. C) glycoside. D) nucleotide. E) riboside. The structural arrangement of DNA is A) -ribose---phosphate-ribose---phosphate — 1 base base B) -ribose -phosphate-ribose-phosphate 1 base base C) -deoxyribose-base-deoxyribose -base- 1 phosphate phosphate D) -deoxyribose---phosphate — deoxyribo se —-phosphate- base base E) — deoxyribose – phosphate-deoxyribose – phosphate — 1 base base The heterocyclic compounds adenine (A) and thymine (T) form base pairs in DNA via...
A 1.2% Agarose Gel will separated DNA based on . O charge only both charge and size O size only n...
Please give clear answers along
with detailed explanations. Thank you so much!
A 1.2% Agarose Gel will separated DNA based on . O charge only both charge and size O size only neither charge nor size Question 2 A 1.2% Agarose Gel will separated dyes, proteins and amino acids based on . charge only both charge and size Osize only neither charge nor size Methylene Blue is a positively-charged dye. Which of the following components of DNA will it bind?...
of alanine has a pk of 9.87. What is the 153, The amino group charge on...
of alanine has a pk of 9.87. What is the 153, The amino group charge on that amino group at pH 7.0 145. Which amino acid serves as the first amino acid at the hN terminus of a newly synthesized protein? (B) methionine (A) alanine 9.80. The side chain of that amino acid includes (A) an amine group (C) a carboxylic acid group. (D) an alcohol 154. A certain amino acid has a pl (or pH, isoelectric point) (D) threonine...
1. (4 points) Describe the following related to water. a. (1 pts) Describe one thing that is special about the bonds between oxygen and hydrogen in a water molecule that makes hydrogen-bonding possible. b. (3 pts) Describe why hydrogen-bonding in water important to life using at least three reasons or examples 2. (2 points) Circle the differences between DNA and RNA on both images. DNA Nitrogenous base (A, G, C, or T) RNA Nitrogenous base (A,G, C, or U) H...
Below is a diagram of a section of a DNA molecule. Answer the
question based on the diagram. Here are the answers for
questions.
3' end of strand
5' end of strand
deoxyribose sugar
ribose sugar
hydrogen bonds between nitrogenous bases
phosphodiester bond containing phosphate group
purine bases
pyrimidine bases.
A indicates -
B indicates -
C indicates -
D indicates -
E indicates -
G indicates -
H indicates -
сн. о. он,С, А1 т он,с.
The structure below represents a NH2 N N N N НО. OH A) nucleic acid B) nucleoside. C) glycoside. D) nucleotide. E) riboside. The structural arrangement of DNA is A) -ribose---phosphate-ribose---phosphate — 1 base base B) -ribose -phosphate-ribose-phosphate 1 base base C) -deoxyribose-base-deoxyribose -base- 1 phosphate phosphate D) -deoxyribose---phosphate — deoxyribo se —-phosphate- base base E) — deoxyribose – phosphate-deoxyribose – phosphate — 1 base base The heterocyclic compounds adenine (A) and thymine (T) form base pairs in DNA via...
Please give clear answers along
with detailed explanations. Thank you so much!
A 1.2% Agarose Gel will separated DNA based on . O charge only both charge and size O size only neither charge nor size Question 2 A 1.2% Agarose Gel will separated dyes, proteins and amino acids based on . charge only both charge and size Osize only neither charge nor size Methylene Blue is a positively-charged dye. Which of the following components of DNA will it bind?...
of alanine has a pk of 9.87. What is the 153, The amino group charge on that amino group at pH 7.0 145. Which amino acid serves as the first amino acid at the hN terminus of a newly synthesized protein? (B) methionine (A) alanine 9.80. The side chain of that amino acid includes (A) an amine group (C) a carboxylic acid group. (D) an alcohol 154. A certain amino acid has a pl (or pH, isoelectric point) (D) threonine...
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