213/2017 Cardr ame on the swwnomutbde\")sheet and on this question booklettt g a

Question

213/2017 Cardr ame on the swwnomutbde")sheet and on this question booklettt g abe Nes ONL Yicate she answer (LETTER) choiee that best completes the THE ENTR POINT OLUESTIONS for this exam are available on a separate sheet (1 Point/Question) 1. Which of he Rollow ing defines the primary structure of proteins? A the geometric amangement of the backhone atom B the sequence of the amino acids Cthe gewnetrie arrangement of the side chains D. 2. Which of the Rollow ing is true of a hormone? A It is produced at the site of its action. B It is produced at one kscation and then transported to its site of action. C. Either a or b is true, depending on the hormone. D. Neither a nor b is true. 3. Which of the following blocks a receptor and prevents its stimulat A. an agonist B. an antagonist C. both a and b D. neither a nor b 4. Which of the following is true of enzymes? A. They speed up the rate of a chemical reaction. B. They lower the activation energy for a chemical reaction. C. both a and b D. neither a nor b 5. Genes are located in which type of molecules? B. RNA D. DNA A. histones C. proteins 6. What is the function of a steroid hormone as a primary messenger? A. carry a message from one part of a cell to another part of the cell B. deliver signals from one part of the body to another C. either (a) or (b), depending on the specific hormone D. neither (a) nor (b) 7. Which of the following is a structural protein? A. cellulose B. insulin C. collagenD. hemoglobin

Explanation / Answer

1 ) answer is B the sequence of amino acids defines the primary structure of the protein

2 ) answer is C depends on the hormone they release into circulation and transported to target site or they release from one place and show action on same place

3 )  answer is B antagonist is going to block the receptor

4 )  answer is C the enzymes speed up the reaction by lowering the activation energy

5 ) answer is D  DNA (or deoxyribonucleic acid) is the molecule that carries the genetic information in all cellular forms of life

6 ) answer is B

7 ) answer is D

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