Describe the structure of an antibody. What type of molecule is it? What is its shape, how many parts does it have, and how do the parts differ?
What will be an ideal response?
Antibodies are Y-shaped proteins made of four subunits. It has two heavy chains and two light chains. Its two variable regions are the branches or arms and they attach to the antigen.
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A muscle fiber will respond to a stimulus when that stimulus reaches the ________ level.
A. relaxation B. rigor mortis C. resting D. recruitment E. threshold
What is a good way to manage time in preparation for your anatomy and physiology class?
A) I should stay up all night the night before the test to maximize what is stored in short-term memory. B) I make a schedule and budget my time. C) I study only on the weekends when I have many hours of free time. D) I should delay studying until the day or two before the test to best remember the material.
The components of ribosomes are synthesized by
A) the endoplasmic reticulum. B) Golgi complexes. C) lysosomes. D) mitochondria. E) nucleoli.
Hypertension is defined as blood pressure above:
a. 120/70 mm Hg b. 130/75 mm Hg c. 140/90 mm Hg d. 150/95 mm Hg e. 160/100 mm Hg