Which term describes a small generic membrane-bound structure that transports substances to the plasma membrane for release by exocytosis?
A. Centrosome
B. Secretory vesicle
C. Organelle
D. Proteosome granule
E. Chromatid
Answer: B
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Why does an adult not have as many bones as a child?
A. Osteoporosis leads to bone loss with age. B. Some separate bones gradually fuse with age. C. Many bones are replaced by cartilage with age. D. Bones are reabsorbed with age. E. Osteoclast activity overcomes osteoblast activity with age.
Which of the following is a function of the stomach?
A. It churns food into a paste by mechanical means. B. It absorbs most of the nutrients in food. C. It digests lipids. D. Most chemical digestion takes place in the stomach. E. It stores food in the form of fat.
A joint in which the bone can move in two planes is said to be ________.
Fill in the blank(s) with the appropriate word(s).
The testicles belong to which two systems?
A. Endocrine and excretory B. Reproductive and excretory C. Reproductive and lymphatic D. Reproductive and endocrine