Help with these questions 1.Which of the following are building blocks of proteins?amino acidsb.a.monosaccharidesс.nucleotidesd. peptidesfatty acidse.2. Which of the following statements is true regarding DNA structure?а.DNA is composed of amino acids.b.In DNA, purines pair together and pyrimidines pair together.с.DNA forms a double helix.d.DNA is single-stranded.3. Thecharge of a basic dye adheres to thecharge of bacterial cell surfaces.а.micrometerb. diaphragmС.Phase-contrastd. positive;negative4. The Gram stain, if the decolorizing step is deleted, gram-negative cells will appearat the completion of the staining procedure.a. Purpleb. diaphragmС.Micrometerd. 0.02-AUM ribosome

The body of an organism is just like a chemical factory. numerous chemical reactions are…

1. Which of the following are building blocks of proteins? amino acids b. a. monosaccharides с. nucleotides d. peptides e. fatty acids 2. Which of the following statements is true regarding DNA structure? a. DNA is composed of amino acids.

1. Which of the following are building blocks of proteins? amino acids b. a. monosaccharides с. nucleotides d. peptides e. fatty acids 2. Which of the following statements is true regarding DNA structure? a. DNA is composed of amino acids.

Human Anatomy & Physiology (11th Edition)

11th Edition

ISBN:9780134580999

Author:Elaine N. Marieb, Katja N. Hoehn

Publisher:Elaine N. Marieb, Katja N. Hoehn

Chapter1: The Human Body: An Orientation

Section: Chapter Questions

Problem 1RQ: The correct sequence of levels forming the structural hierarchy is A. (a) organ, organ system,...

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Question

Help with these questions

1.
Which of the following are building blocks of proteins?
amino acids
b.
a.
monosaccharides
с.
nucleotides
d. peptides
fatty acids
e.
2. Which of the following statements is true regarding DNA structure?
а.
DNA is composed of amino acids.
b.
In DNA, purines pair together and pyrimidines pair together.
с.
DNA forms a double helix.
d.
DNA is single-stranded.
3. The
charge of a basic dye adheres to the
charge of bacterial cell surfaces.
а.
micrometer
b. diaphragm
С.
Phase-contrast
d. positive;negative
4. The Gram stain, if the decolorizing step is deleted, gram-negative cells will appear
at the completion of the staining procedure.
a. Purple
b. diaphragm
С.
Micrometer
d. 0.02-AUM ribosome

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3. Proteins: a. Function depends on the structure b. Monomers are the nucleotides c. Can be denatured by physical and chemical changes d. Tertiary structure has Vander Waals interactions formed between R groups of arnino acids 4. Nucleic acids: a. Are polymers of nucleotides b. DNA and RNA are the same c. DNA contains URACIL base d. RNA is a double helix
1. Define proteins 2. Discuss the different properties of proteins 3. Discuss the classification proteins based on the structure of protein 4. Discuss the classification proteins based on composition 5. Discuss the classification proteins based on functions 6. Discuss the solubility of protein in water 7. Discuss the denaturation and renaturation 8. Discuss the protein metabolism 9. Discuss the chemical properties of protein 10. Define amino acids 11. Discuss the non-essential and essential amino acids
6. THE FOLLOWING ARE DESCRIPTION OF NUCLEIC ACIDS. EXCEPT?A. MADE UP ALSO OF A NUCLEOSIDEB. COMPOSED OF CHAINS OF NUCLEOTIDESC. VERY LARGE, COMPLEX MOLECULESD. POLYMERS OF NON-REPEATING UNITS OF NUCLEOTIDES 7. ALL OF THE FOLLOWING ARE TRUE ABOUT DNA, EXCEPT?A. CONTAINS THE NITROGENOUS BASE URACILB. WITH ALPHA-HELICAL STRUCTUREC. INVOLVED IN PROTEIN SYNTHESISD. GENETIC CARRIER 8. WHICH OF THE FOLLOWING IS/ARE RESPONSIBLE FOR PROTEIN SYNTHESIS?A. T-RNAB. ALL OF THEMC. R-RNAD. M-RNA 9. WHICH OF THE FOLLOWING CAN AFFECT THE DNA STRUCTURE?A. ALL OF THEMB. UVC. BASE ANALOGUESD. IONIZING RADIATION 10. ALL OF THE FOLLOWING ARE PROTEIN ENZYMES, EXCEPT?A. PEPSINB. CHYMOTRYPSINC. PTYALIND. TRYPSIN
4.A nucleic acid has 13% of adenine. Determine the composition of guanine , cytosine and thymine 5.What are the forces that stabilizedouble stranded DNA? 6.Provide the structures and functions of three biochemically important disaccharides 7.What arethe structural and functional differences between starch and cellulose
1. Define nucleic acids. Mention the types and parts of nucleic acids2. What are the monomers that make up nucleic acids?3. How do RNA and DNA differ?
1) Distinguish Ionic, Covalent, Hydrogen Bonding, and Van der Waals (Hydrophobic). 2) Distinguish DNA from RNA, what is the same, what is different? Importance in function?. What is the difference between a nucleotide and a nucleoside.
Which of the following is not related to the other four? a. phosphate groups b. nucleotides c. amino acids d. nitrogenous bases e. five-carbon sugars
1. Is there more than one way to fold a protein, given the conflicting demands of the different "R" groups and the protein existing in a watery environment? 2. Explain what an R group is. 3. Compare the backbone of a polypeptide with that of a nucleic acid. 4. Proteins perform critical functions in all of our cells. Without proteins, life wouldn’t exist. Think of some specific proteins and describe what function they perform. 5. Explain the difference between secondary and tertiary protein structures.
4. Tertiary structure of a protein describes: A. Sequence of amino acids B. Location of disulphide bonds C. Amino terminal end amino acid D. The nature of protein folding 5. Study of linear sequence of amino acids is done by all techniques listed except: A. End group analysis B. Hydrolysis by proteolytic enzymes C. Analyzing the content of each aminOacid D. Denaturing the protein 6. Primary structure decides: A. Rate of synthesis of protein B. Biological activity of the protein C. Rate of degradation of the protein D. Effect of proteolytic enzymes on protein
Which of the following statements is/are TRUE for globular proteins? A. sensitive to changes in pH & heat B. regular amino acid sequence C. soluble in water D. structural role
Which of the following descriptions best describes the composition of nucleotides? Group of answer choices A. a pentose sugar and a purine or pyrimidine B. a nitrogenous base, a phosphate group, and a pentose sugar C. a nitrogenous base and a pentose sugar D. a nitrogenous base and a phosphate group E. a phosphate group and an adenine or uracil
20. Which of the following does NOT contribute to the tertiary structure of proteins? a. salt bridges Ob. hydrogen bonds C. disulfide bonds d. peptide bonds