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2.4 Why would A.sativum produce haploid cells? (1)

Consider the surgical procedure of SUPRAGLOTTIC LARYNGECTOMY.  What structures will likely be removed?  Choose the BEST answer.    

2.2 There are some cells that are permanent and will not enter the cell cycle. Explain why mitosis will occur in a plant such as Allium sativum. (2)

Which of the following configurations corresponds to the structure below? A. (4R, 5R)B. (4R, 5S)C. (4S, 5R)D. (4S, 5S)

5.2 ¿Cómo se dice “ham” en español?  (1)

EXTRA ESSAY ANSWER SPACE Only use this space if necessary. 

1.27 Below are tissues found in the walls of blood vessels. Which tissues are present in the walls of all blood vessels?   1.    Collagen 2.    Elastic 3.    Endothelial 4.    Smooth muscle (1)       A) 1, 2, 3 and 4   B) 3 only   C) 2 and 3 only   D) 1, 3 and 4 only  

1.37 The water potential of soil growing maize is  

1.23 Which of the following occurs during DNA replication, transcription, and translation?     1.    Condensation reactions occur to form a polymer 2.    ATP provides energy 3.    Hydrogen bonds form between purine and pyrimidine bases (1)       A) 1 and 2 only   B) 1, 2 and 3   C) 2 only   D) 3 only  

1.38 Which one of the following aids in maintaining the necessary concentration gradients for carbon and oxygen in the lungs? (1)       A) Large surface area of the alveoli   B) The walls of the alveoli are thin   C) The capillaries are close to the walls of the alveoli   D) Good ventilation of the lungs