Of the organelles listed, which one does NOT contain microtubules?
A. microvilli
B. flagella
C. centrioles
D. cilia
E. spindle fibers
A
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When the terminal phosphate is cut off of ATP what is formed?
a) Adenosine diphosphate b) GTP c) Adenosine monophosphate d) Metabolic water e) Glucose
Answer the following statements true (T) or false (F)
1. The iris is actually an involuntary muscle in the choroid layer. 2. In very dim light the circular fibers of the iris contract, causing the pupil to dilate. 3. Presbyopia is a term for the nearsightedness of old age. 4. Cataracts may be caused by exposure to the ultraviolet radiation of the sun. 5. A cataract is a condition in which the cornea becomes less transparent and “milky” in appearance.
If two similar molecules can both combine with the same carrier, the presence of one of these molecules decreases the rate of entry of the other
Indicate whether the statement is true or false
The specialized membranes that surround the spinal cord are termed the
A) cranial meninges. B) cranial mater. C) spinal meninges. D) spinal mater. E) epidural membranes.