42.) On a Lineweaver-Burk plot, a changing slope upon addition of increasing concentration of inhibitor means A) the inhibitor can bind to the free enzyme. C) the inhibitor can bind to the ES complex. B) the KmªPP is decreasing. D) the Vmax®PP is decreasing. 43.) A reversible inhibitor is able to bind to C) noncompetitive, the free enzyme A) competitive, the ES complex D) all of the above B) uncompetitive, the ES complex F) only B & C E) only A & C 44.) The purine that can base pair with thymidine in DNA is B) adenosine C) cytidine A) guanosine D) woodchuckosine E) glycine F) none of the above 45.) What is the complementary strand for the DNA sequence 5'- CTAAAG-3'? В) 5'- СТТТАG-3' A) 5'- GAAATC-3' C) 5'- GATTTC-3' D) 5'- TCGGGA-3' E) 5'- AGGGCT-3' 46.) Which of the following lists steps of glycolysis that are considered reversible? А) 1, 3, & 7 B) 2, 3, & 9 C) 1, 2, & 7 D) 4, 5, & 6 E) 2, 4, & 10 F) none of the above

7. Match each characteristic as either a physical or chemical property.   Question 7 options:   boiling point   pH   malleability   heat of vaporization   1. chemical 2. physical

Question 2. Chemicals make up everything around you, including your own body. A) True B) False

Ma'am/sir how do you do energy shells for science.

Which of the following statements is incorrect? *     A. Storing food inside a chemical cabinet is not allowed. B. A chemical can still be stored in a container with leaks as long as it has a proper label and cover. C. A chemical that is stored in a cabinet should be properly labeled and covered. D. A personal protective equipment should always be used in handling chemicals.       Odd one out *   A. Ingestion B. Injection C. Physical hazard D. Inhalation