The answer is ureter. They concentrate the urea from nephrons and collect in the bladder. They are larger in diameter (<span>25–30 cm) compared to the proximal and distal tubules, loop of henle and collecting tubules. There is one ureter for each kidney connecting to the bladder. The ureter has smooth muscles that cotract and direct the urine to the bladder
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<span>The site active of the enzyme bins the substrate to form the complex enzyme-substrate to start a specific chemical reaction. The site active of the enzyme has to fit exactly the shape of the substrate to trigger the catalysis.</span>
Answer:
They discovered the structure of the DNA: a double helix
Explanation:
DNA is the molecule of heredity