Which of the following lymphoid tissues/organs does NOT contain reticular connective tissue?
A. tonsils
B. thymus
C. spleen
D. lymph nodes
Ans: B. thymus
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Which of the following choices is not a basic feature of cellular communication?
A) The signal must be produced. B) The signal can be produced only by a eukaryote. C) The signal must be transported to a target cell. D) The target cell must respond to the signal.
The xiphoid process is part of the ________.
Fill in the blank(s) with the appropriate word(s).
Which of the choices below is NOT a source of blood glucose during the postabsorptive state?
A) absorption of glucose from the GI tract B) glycogenolysis in the liver C) lipolysis in adipose tissues and the liver D) catabolism of cellular protein
The cytoskeleton consists of
A. ribosomes, the nucleus, and the Golgi apparatus. B. microfilaments, mitochondria, and lipochromes. C. microtubules, actin filaments, and intermediate filaments. D. actin filaments, mitochondria, and intermediate filaments. E. lipochromes, microfilaments, and microtubules.