3.Correct answer is: d.The native state of a protein is the least stable form under cell conditions.
Reason: Native state of a protein is its most stable and functional form.
4.Correct answer is:a.They contain many functional groups with different pK's.
Reason: The side of the aminoacids in proteins allow for buffering action of the proteins.
5.Correct answer is:a.Contain weakly acidic amide groups
Which of the following statements about protein structure is NOT correct? Why are proteins able to...
1. Which of the following statements is consistent with the
structural motifs in 1OPF?
This protein has tertiary structure, where each subunit is a
large parallel beta barrel.
This protein has quaternary structure, where each subunit is a
large antiparallel beta barrel.
This protein has tertiary structure, where each subunit is a
large antiparallel beta barrel.
This protein has quaternary structure, where each subunit is a
large parallel beta barrel.
3. Given the information in the PDB entry for 1OPF,...
5) Draw a ribose sugar and glucose sugar ring structure form. 6) To which group or groups of amino acids does the molecule below belong? Choose the one best answer. Make sure you consider all choices. a. Hydrophilic acidic b. Hydrophilic neutral c. Hydrophilic basic d. Hydrophobic neutral e. a and b tbandc & cand d h. danda Hin-çu-&-0 CH₂ oo- 7) Indicate with arrows the two atoms that would be involved in peptide bonds if the amino acid were...
1) Select all that apply. Globular proteins: a)are found in hair and wool. b)include myoglobin and collagen. c)are usually water soluble. d)aggregate in aqueous media. e)are often made of β-pleated sheet and α-helix sections wrapped into compact structures. 2) Select all that apply. The Bohr effect: a)depends on the atomic orbital structure of hydrogen. b)can be summarized as a reduction in the oxygen affinity of hemoglobin with decreasing pH. c)is explained by the protonation of key amino acids, including the...
IDIOSY CORE Nne Lecture test 2 on the chemicals of Lite Name: 51. Picture a globular protein in the cytoplasm of a cell. Where would you find the following amino acids: alanine and serine? COOCOO A Serine would be in the interior, and alanine would be on the exterior of the globular protein HN-C-H HŇ-Ć-H R Alanine would be in the Interior and serine would be on the exterior of the CHOH CH3 globular protein C Both serine and alanine...
24. Which of the following was a crucial difference between the work of John T. Needham and Louis Pasteur on the question of spontaneous generation? A. Whether or not the infusions were boiled B. Whether or not the flasks were sealed C. Whether meat or infusions were used D. The length of time the flasks were boiled E. The method of sealing the flasks 69. Which of the following is NOT a function of the bacterial cytoskeleton? A. construction of...
Cyw Ala Ατα Ile Ausn Lou Asp aly Lys Ser Which molecule below is asubunit of peptide chains a. Acetic acid b. Alanine O. ATP d. Gracil Report the charge on most aqueous aspartie acid molecules at pH-7. Report the approximate p values for the amino acid whose titration curve is shown below (note there may be more slots for answer than answers). A) Value 1 B) Value 2 c) Value 3 c) Value 4 The structure of a rare...
Microbiology study guide questions. Please Help!
s. which of the following statements about water activity is not true? a) many fungi can tolerate aw levels of 07-0.8 b) many microorganisms grow well at an aw of 0.98 e sear water has an aw of 0.98 e-xerephiles thrive in dry conditions DNA typically becomes disordered below an a of o.90 Which of the following descriptions about ribosome structure is not true? a) 80s is the size of the intact functional ribosome...
The smallest chemical units of matter are atoms b) molecules c) protons d) neutrons e) electrons . Which of the following would have the largest size? a) an atom b) a molecule c) a proton d) a neutron e) an electron 3. Isotopes of an element differ in the number of a) protons in the nucleus b) electrons in the nucleus © neutrons in the nucleus d) electron clouds e) energy levels they contain 4. VO The atomic number represents...
SHORT ANSWER. Write the word or phrase that best completes each statement or answers the question. 00 OA Figure 2.1 Using Figure 2.1, match the following: 1) Tertiary (protein) structure, 2) Monosaccharide 3) Nucleotide 4) Lipid 5) Functional protein 6) Polymer 7) Polysaccharide TRUE FALSE. Write T if the statement is true and F if the statement is false, 8) Final preparation for cell division is made during the cell life cycle subphase called G2. SHORT ANSWER. Write the word...
e. 18 Test Your Knowledge MULTIPLE CHOICE: Choose the one best answer. 1. Each element has its own characteristic atom in which a. the atomic mass is constant. b. the atomic number is constant. c. the mass number is constant. d. Two of the above are correct. e. All of the above are correct. 2. Which of the following is not a trace element in the human body? a. iodine b. zinc c. iron d. calcium e. fluorine 3. A...