Portage Biochemistry Module 2 Study Guide Questions and Correct Answers

Portage Biochemistry Module 2 Study Guide
Questions and Correct Answers

1). Another term for water

 Ans: aqueous or aqueous systems


2). What is the latin word for water?

 Ans: aqua


3). T or f: water is crucial for life

 Ans: True


4). Brine shrimp example

 Ans: No water: metabolism shuts down. Water: live again


5). Where do processes of life primarily take place?

 Ans: in aqueous solutions (water based environments)


6). What is an example of a life process?

 Ans: DNA, carbohydrates, and proteins are all made in aqueous cytoplasm


7). What is the total intake of water per day?

 Ans: 2000 ml


8). What is the total outtake of water per day?

 Ans: 2000 ml


9). What is water made out of?



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,  Ans: Two non metal elements


10). What elements is water made out of?

 Ans: Hydrogen and oxygen


11). What hybridization is water?

 Ans: sp3


12). What is the bond angle of water?

 Ans: 104.5


13). Shape of water?

 Ans: tetrahedral


14). Is water bent?

 Ans: yes


15). Why is water polar?

 Ans: bent shape plus the difference in electronegativity of oxygen and hydrogen


16). Which way do dipole arrows point?

 Ans: in the direction of higher density (more electronegative)


17). Is water polar?

 Ans: yes


18). Examples of polar molecules

 Ans: water, glucose, and vinegar


19). Why can water dissolve other polars?



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