The statement given in the question is FALSE.
Protein molecules are made from amino acids. Structurally, an amino acid is made up of a carboxyl group, an amino group and a unique side group. The amino group of amino acid is composed on nitrogen linked to two hydrogen atoms. Generally, the nitrogen component of all proteins is between the range of 15% to 25%. The quantity of oxygen in proteins also falls within the same range. Thus, the percentage of nitrogen in proteins is not up to 50%.
1) <span>Change the engine oil and oil filters. 2) After the boating season, replace the antifreeze if it is contaminated. Replace it. Replace the old filter with a new one, 3) A</span><span>n inboard engine accumulates debris during the course of a normal boating season. Use a cleaner in the engine to remove this debris. 4) Periodic check should be made on the Water Pump Impeller, Prop Shaft, Engine hoses and Stuffing box.5) Check the engine compartment for leaks.</span>
1. Hyaline cartilage
2.fibrous cartilage
3.elastic cartilage (I'm in doubt with 3rd)
Prophase is the first stage of cellular division. Followed by metaphase, anaphase, and telophase.
Answer: I think number 2 b
Explanation:
