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You Are On Multi Choice Question Bank SET 154

7701. The resonance structures that can be drawn for the peptide bond indicate that the peptide bond

7702. The major element of secondary structure in myoglobin and hemoglobin is

7703. An oil drop with a polar coat is a metaphor referring to the three dimensional structure of

7704. What was the first protein whose complete tertiary structure was determined?

7705. The peptide bond in proteins is

7706. In β-pleated sheet structures neighbouring

7707. The same peptide, Val-Lys-Glu-Met-Ser-Trp-Arg-Ala. was digested with chymotrypsin to produce

7708. Disulfide bonds most often stabilize the native structure of

7709. Secondary structure in protein refers to

7710. Heme is the binding pocket of myoglobin and hemoglobin and is composed of

7711. What is the effect of a decrease in pH on hemoglobin oxygen affinity?

7712. What is the proportion of glycine residues in collagenous regions?

7713. Which of the following statements is incorrect?

7714. The oxygen binding curves of hemoglobin and myoglobin

7715. The nature of peptide bond can be best explained as

7716. The clerk............ helped us didn’t expect anytihing in return

7717. Which hemoglobin chain replaces the beta chain in embryonic hemoglobulin?

7718. Hemoglobin has quaternary structure and is made up of

7719. When pO2 = Kd of myoglobin, the fractional saturation (YO2) is about

7720. Peptides in the fully extended chain conformation

7721. The oxygen in hemoglobin and myoglobin is bound to

7722. Which of the three subunits of the G proteins binds GDP and GTP?

7723. If the F and Y angles of each peptide unit in a protein are known, which of the following may also be determined?

7724. The different orders of protein structure are determined by all of the following bond types except

7725. The heme is held in place by a bond between

7726. Hydrogen bonds in a-helices are

7727. Choose the correct meaning of Audacious

7728. The molecular formula for glycine is C2H5O2N. What would be the molecular formula for a linear oligomer made by linking ten glycine molecules together by condensation synthesis?

7729. Which of the following is an example of tertiary structure in a protein?

7730. The peptide, Val-Lys-Glu-Met-Ser-Trp-Arg-Ala, was digested with cyanogen bromide (CNBr) to produce:

7731. I have been waiting for the bus ............2 o"clock.

7732. Something that calms the nerves.

7733. Study well, lest ...........

7734. "A stitch in time saves –––––"

7735. It’s Mr Smith, _____?

7736. During cellular respiration, most of the ATP made, is generated by

7737. Important function of cholesterol is to

7738. To stop ATP synthesis which chemical is generally used?

7739. The enzymes of the TCA cycle in a eukaryotic cell are located in the

7740. Citric acid cycle occurs in

7741. Most multi-cellular organisms obtain energy for the synthesis of ATP during oxidative phosphorylation from

7742. Standard redox potential for a substance is measured under standard condition and is expressed as

7743. Most of the enzymes of the citric acid cycle in a eukaryotic cell are located in the

7744. A positive redox potential means substance has

7745. The end product of glycolysis is pyruvate, which enters the citric acid cycle after being converted to

7746. Energy that is released from glucose during respiration but not transferred to ATP bonds can be detected as

7747. Which of the following is involved in energy production?

7748. Which of the following enzyme does not take part in the TCA cycle?

7749. The first intermediate in TCA cycle is

7750. Cholesterol can be synthesized de novo in

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