Identify the statements that are true regarding the nature of the large proteins found within neurons. Select all that apply.
What will be an ideal response?
-they act as receptors to neurotransmitters
-they are negatively charged
-the are synthesized inside the cell
-they do not readily diffuse through the membrane
-they are negatively charged
-they are synthesized inside the cell
-they do not readily diffuse through the membrane
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The period of gestation that is characterized by rapid fetal growth and adipose tissue deposition is the ________ trimester(s).
A) first B) second C) third D) first and second E) second and third
Milk and ear wax
A. are in the blood. B. are not secretions. C. are secreted from modified sebaceous glands. D. are secreted from modified sweat glands.
Elastic cartilage and a stratified squamous epithelium are found in which respiratory structure?
a. Bronchiole b. Bronchus c. Epiglottis d. Nasal concha e. Trachea
Cytotoxic T cells ________.
A) are the only T cells that can directly attack and kill other cells B) require the double recognition signal of I MHC plus II MHC on the target cell in order to function C) function mainly to stimulate the proliferation of other T cell populations D) self-destruct once the antigen has been neutralized