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?