A ring of vascular bundles in a stem is characteristic of:
A) monocots. B) non-flowering seed plants.
C) many dicots. D) both monocots and dicots.
Answer: C
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Disease-causing infectious agents are known as ____________________
Fill in the blank(s) with correct word
Which gland has both endocrine and exocrine functions?
a. thyroid b. adrenal medulla c. adrenal cortex d. pancreas e. gonads
All of the following are true regarding NK cells EXCEPT
A) they are a type of lymphocyte. B) they are found in tissues of the lymphatic system. C) they have the ability to kill infected body cells and some tumor cells. D) they destroy infected body cells by phagocytosis. E) they release toxic substances that cause cell lysis or apoptosis.
The symptoms that occur in cyclic 48 to 72 hour episodes in a malaria patient are
A. sore throat, low grade fever, and swollen lymph nodes. B. urinary frequency and pain, and vaginal discharge. C. chills, fever, and sweating. D. bloody, mucus-filled stools, fever, diarrhea, and weight loss. E. fever, swollen lymph nodes, and joint pain.