Bio 110 Exam #1 Question and Answer
1. Which of the following would NOT be a key characteristic of "life" - Answer-inability to
change
2. Non-living things would NOT naturally contain - Answer-DNA
3. The smallest unit of life that can exist as a separate entity is the - Answer-Cell
4. The smallest ion is made up of - Answer-One proton
5. The smallest ion has what charge - Answer-+1
6. During metabolism, ATP is used as an energy source for which of the following processes -
Answer-Reproduction,growth,development
7. The ability to acquire,store,transfer,or utilize energy is called - Answer-Metabolism
8. Which of the following is the first or primary source of energy in the human body - Answer-
Carbohydrates
9. A mutation is a change in - Answer-single base pair in DNA
10. Homeostasis provides what kind of environment - Answer-Constant
11. Blood pH is near a value of 7 because of - Answer-Water
12. Fats and oils are - Answer-Non-polar
13. If a patient's blood pH was found to be 7.15 the patient would be said to have - Answer-
Acidosis
14. Sugars dissolve in water,therefore,they are - Answer-Polar
, 15. Polar covalent bonds are produced when two or more atoms - Answer-Share electrons
unequally
16. Of the following,which is the first explanation of a problem - Answer-Hypothesis
17. In order to arrive at a solution to a problem,a scientist usually devises one or more - Answer-
Experiments
18. Water molecules are attracted to each other by - Answer-Hydrogen bonds
19. O2 is an example of a - Answer-Molecule
20. Which is the smallest portion of an element that retains the properties of that element -
Answer-Atom
21. The nucleus of an atom - Answer-Contains electrons and neutrons; the heaviest part of an
atom
22. The simplest atom - Answer-Has one proton+ one electron
23. If an atom loses an electron it - Answer-Becomes Oxidized
24. If an element has 4 protons, it would tend to - Answer-Lose two electrons
25. The essential element in an organic compound is - Answer-Carbon
26. A solution with a pH of 3 has a [H+] of - Answer-1.0 X 10 to the negative 3 power
27. A substance that helps maintain pH balance is known as a - Answer-Buffer
28. Which of the following is closer to the pH of D/W - Answer-pH 8
1. Which of the following would NOT be a key characteristic of "life" - Answer-inability to
change
2. Non-living things would NOT naturally contain - Answer-DNA
3. The smallest unit of life that can exist as a separate entity is the - Answer-Cell
4. The smallest ion is made up of - Answer-One proton
5. The smallest ion has what charge - Answer-+1
6. During metabolism, ATP is used as an energy source for which of the following processes -
Answer-Reproduction,growth,development
7. The ability to acquire,store,transfer,or utilize energy is called - Answer-Metabolism
8. Which of the following is the first or primary source of energy in the human body - Answer-
Carbohydrates
9. A mutation is a change in - Answer-single base pair in DNA
10. Homeostasis provides what kind of environment - Answer-Constant
11. Blood pH is near a value of 7 because of - Answer-Water
12. Fats and oils are - Answer-Non-polar
13. If a patient's blood pH was found to be 7.15 the patient would be said to have - Answer-
Acidosis
14. Sugars dissolve in water,therefore,they are - Answer-Polar
, 15. Polar covalent bonds are produced when two or more atoms - Answer-Share electrons
unequally
16. Of the following,which is the first explanation of a problem - Answer-Hypothesis
17. In order to arrive at a solution to a problem,a scientist usually devises one or more - Answer-
Experiments
18. Water molecules are attracted to each other by - Answer-Hydrogen bonds
19. O2 is an example of a - Answer-Molecule
20. Which is the smallest portion of an element that retains the properties of that element -
Answer-Atom
21. The nucleus of an atom - Answer-Contains electrons and neutrons; the heaviest part of an
atom
22. The simplest atom - Answer-Has one proton+ one electron
23. If an atom loses an electron it - Answer-Becomes Oxidized
24. If an element has 4 protons, it would tend to - Answer-Lose two electrons
25. The essential element in an organic compound is - Answer-Carbon
26. A solution with a pH of 3 has a [H+] of - Answer-1.0 X 10 to the negative 3 power
27. A substance that helps maintain pH balance is known as a - Answer-Buffer
28. Which of the following is closer to the pH of D/W - Answer-pH 8
