Explanation:
The matrix of mitochondria contains all enzymes of the Krebs cycle (except succinate dehydrogenase which is in the inner membrane). The nucleus contains DNA, chloroplasts contain Calvin cycle enzymes, Golgi modifies proteins.
Explanation:
Peyer's patches are organized lymphoid follicles (aggregated lymphoid nodules) located in the mucosa and submucosa of the small intestine, most abundantly in the ileum (the distal part). They are a crucial component of the gut-associated lymphoid tissue (GALT) and play a vital role in monitoring intestinal bacteria populations, preventing the growth of pathogenic bacteria, and training the immune system to recognize antigens.
Consider the following statements about the human heart:
1. The pericardium is a protective sac around the heart.
2. The endocardium lines the heart chambers.
3. The myocardium is the outermost layer.
Which of the above is/are correct?
Explanation:
Pericardium is outer sac, endocardium inner lining. Myocardium is the middle muscular layer; the outermost is epicardium (visceral pericardium). So 3 is incorrect.
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