Which of the following methods used to study proteins is limited to proteins with a molecular mass of 50 kD or less?
(a) X-ray crystallography
(b) fingerprinting
(c) nuclear magnetic resonance
(d) mass spectroscopy
(c)
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_____________ is the protein expressed on the surfaces of viruses that allow them to recognize—and ultimately enter and infect—appropriate host cells
A. Gluten B. Hemagglutinin C. Hemoglobin D. Myogglutinin
Taste buds are ____
a. really just modified sensilla b. found only on the tongue in humans c. collections of papilla that respond to different stimuli d. small capsules of cells, each with a pore at the top though which sensory hairs project and interact with environmental molecules e. able to respond to all flavors simultaneously through sensory hairs that connect to papillae
Which system involves plasma proteins activated
when an organism’s pattern receptors become bound to anything? a. cytokine b. complement c. suppressor d. enhancer e. coagulation
Which of the following is/are NOT considered a part of the lower respiratory system?
a) Trachea b) Larynx c) Pharynx d) Bronchial tubes