47.) Exactly of the enzymatic reactions in the citric acid cycle are classified as reactions. A) 2, lyase B) 4, oxidoreductase C) 1, hydrolase D)3, isomerase E) 4, transferase F) 2, ligase 48.) Which step of glycolysis involves a 4-carbon molecule resulting as a product? A) step 1 B) step 3 C) step 4 D) step 7 E) step 10 F) none of the steps

QUESTION 12 The fibrous skeleton of the heart is important because it transmits electrical activity from the atria to the ventricles forces electrical activity to be conducted through the atrioventricular node helps guide the blood into the proper chambers in sequence directs the flow of blood into the arteries

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Question 8 Name the structures 9. 7 8 10 7 9. 10

QUESTION 4 visuale SEa wwwvietcom A B D

Question 17 Mitosis occurs 1. In cells throughout the body 2. Exclusively in the gonads 3. Exclusively in females

Question 2 please