Matching
A) Microtubules
B) Nucleoli
C) Ribosomes
D) Endoplasmic reticulum
E) Nucleus
26) Plays a role in the synthesis of steroid-based hormones and proteins.
27) The organelle that facilitates peptic bond formation between amino acids.
28) Play a critical role in forming spindle fibers for cell division, organize and move organelles as well as giving shape to the cell.
29) Dense spherical bodies in the nucleus that are the synthesis site for ribosomal RNA.
30) The vast majority of the cell's genetic material is housed here.
Answers: 26) D 27) C 28) A 29) B 30) E
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Which of the following structures has the active sites to which the heads of the thick filaments will bind?
A. Actin B. Troponin C. Tropomyosin D. Myosin E. Sarcoplasm
The parietal peritoneum is
A. a double-layered serous membrane that anchors some of the abdominal organs to the body wall. B. the serous membrane that covers the lungs. C. the serous membrane that lines the abdominal and pelvic cavities. D. space located between the visceral and parietal pleura. E. the membrane that lines the pericardial sac.
Endocrine glands
A) have ducts. B) secrete hormones. C) secrete substances onto a surface or into an organ. D) do both secrete hormones and secrete substances onto a surface or into an organ. E) have all of these characteristics.
Which of the following is incorrect pertaining to a mesentery?
A) It is sensitive to laceration near its attachment to organs. B) It is a double-layer of peritoneum. C) It transmits nerves and blood vessels to organs from the body wall. D) It constitutes a region of continuity between visceral and parietal peritoneum. E) It contains lymph nodes and vessels.