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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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.
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
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
Elastic cartilage and a stratified squamous epithelium are found in which respiratory structure?
a. Bronchiole b. Bronchus c. Epiglottis d. Nasal concha e. Trachea