In this image showing connective tissue components, what structure does number 2 indicate?
A. Fibroblast
B. Extracellular matrix
C. Adipocyte
D. Macrophage
E. Mesenchymal cell
Answer: D
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Using Figure 22.1, match the following:
1) Mucosa.
2) Duodenal glands found here.
3) Smooth muscle layer.
4) MALT found here.
5) Serosa.
6) Area of the lamina propria.
7) Continuation of the mesentery.
The oral cavity
A. opens into the nasopharynx. B. directly connects with the esophagus. C. contains the parotid salivary glands. D. has boundaries that include the lips, palate and cheeks. E. is lined with cuboidal epithelium.
Which of the following has been shown to be associated with how long an animal might be expected to live (lifespan)?
a. the amount of RNAi in cells b. the number of pseudogenes c. the amount of junk DNA d. the length telemeres e. none of these has been found to have any effect on the lifespan of an organism.
Which of the following is the term for a deficiency of oxygen or the inability to utilize oxygen in a tissue?
A) Eupnea B) Apoxia C) Cyanosis D) Hypoxia E) Anoxia