Biology
Which of the following contain enzymes for cellular respiration ?

Endoplasmic reticula
Lysosomes
Mitochondria
Dictyosomes

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Biology
The kidneys are stimulated to produce renin

When the peritubular capillaries are dilated
By a decrease in the blood pressure
When the specific gravity of urine rises above 1.10
When the pH of the urine decreases

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