How do peroxisomes differ from lysosomes?
What will be an ideal response?
Peroxisomes are smaller than lysosomes, and they carry different groups of enzymes. Peroxisomes probably originate at the RER, whereas the Golgi apparatus packages enzymes into lysosomes. Peroxisomes absorb and break down fatty acids and other organic compounds; lysosomes perform essential intracellular cleanup, recycling, and defense, all by activating and/or releasing their digestive enzymes under appropriate circumstances.
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Blood in the superior vena cava will enter the ________.
A. pulmonary arteries B. pulmonary veins C. aorta D. pulmonary trunk E. right atrium
Which of the following effects on a gland can be caused by a tumor?
A. Hypersecretion only B. Hyposecretion only C. Hyposecretion and hypersecretion
The kidneys are located ___________ the peritoneum
A. within B. anterior to C. posterior to
Which of the following is found only in compact bone?
A) trabeculae B) canaliculi C) osteoblasts D) osteons E) marrow