Exam (elaborations) Biology 1 (Biology1) Biology 1 Final Exam Review (GRADED A) Questions and Answer solution.
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Biology 1 (BIOLOGY1)
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University Of South Florida
Biology 1 Final Exam Exam 1 1. When making a list about the primary elements of life, which of the following would not be included? - Hydrogen - Oxygen - Carbon - Nitrogen - Phosphorus - Sul fur 2. From the options below, identify the list that has these functional groups: methyl, phosphate, and hy...
when making a list about the primary elements of life
which of the following would not be included
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Biology 1 (BIOLOGY1)
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Biology 1 Final Exam
Exam 1
1. When making a list about the primary elements of life, which of the following would not
be included?
- Hydrogen
- Oxygen
- Carbon
- Nitrogen
- Phosphorus
- Sulfur
2. From the options below, identify the list that has these functional groups: methyl,
phosphate, and hydroxyl. (Note the lists may not be in that order).
- Methyl Group: (1 Carbon Atom bonded to 3 Hydrogen Atoms)
- Phosphate Group: (1 Phosphorus Atom bonded to 4 Oxygen Atoms in a Tetrahedral
arrangement)
- Hydroxyl Group: (1 oxygen covalently bonded to 1 hydrogen)
3. Cell walls are composed of a material that is classified as a:
- Cellulose a polysaccharide
4. Estrogen is a steroid derived hormone, what type of biological material is used in the
creation of steroid hormones?
- Cholesterol (a Lipid)
5. Energy is vital to the cell and central to cellular processes, which type of biological
molecule can be used for the generation of energy?
- Carbohydrates
6. Microtubules, actin, and intermediate filaments are all found in cells. They are
responsible for a number of activities. Which of the following is not an activity
performed by those three materials?
- Microtubules: support, cell division (separation of chromosomes), cell/organelle
movement
- Actin: Forms microfilaments, cell movement, signaling, muscle contraction, cell
junctions
- Intermediate Filaments: support
7. All cells possess this structure that isolates them from the environment:
- Plasma membrane
- Phospholipid bilayer
,8. Considering all the properties that are used to define life, which of the following is not
one of the properties?
- Life is Isolated
- Has to be a barrier that separates it from its environment
- Life is Complex and Ordered
- Life is not at equilibrium
- Life at equilibrium is dead
- Life is regulated
- Life is responsive
- Life grows and reproduces
- Life is well adapted (this is subjective)
- Life requires and uses energy
- Life carries instructions DNA/RNA produces the instructions for things life needs for the
living thing to do all of the above
9. (A = True / B = False) The inherent difficulty of studying biology, is that each part of the
hierarchy from cells to ecosystems is entirely different in structure and themes.
- False
10. In examining the tree of life as it is theorized to have occurred from a common cellular
ancestor, we would see something interesting and that is:
- An early prokaryotic cell as the precursor to all cells
11. (A = True / B = False) The concept of evolution is still under debate in the scientific
community, this demonstrates that all topics in science are open for discussion!
- False
12. In 1953, Miller tested a hypothesis exploring the idea of the “primordial conditions” of
Earth. During this experiment in which he created a “sea” and an “atmosphere” he
electrified the atmosphere to simulate lightning as a result what was created?
- Organic molecules
13. On what hierarchical level of biology does evolution occur?
- Population
14. All of the elements of life first originated in
- Exploding stars
15. Which of the following statements about atoms is true?
- Definition of an atom
16. What is an ion?
- an atom or molecule with a net electric charge due to the loss or gain of one or more
electrons.
, 17. Most elements of life are more stable when they have how many electrons in their
outermost shell?
- 8 electrons in valence shell
18. In a covalent bond…
- Electrons are shared between atoms
19. Oxygen will form ____ covalent bonds and carbon will form ____ covalent bonds.
- Oxygen:2
- Carbon:4
20. (A = True / B = False) Water is a charged molecule.
- True
21. Hydrogen has essentially the same electronegativity as…
- Carbon
22. Which molecule, listed below, shows polar bonds?
-
23. (A = True / B = False) Ionic bonds are similar to electrostatic interactions, but they differ
in that electrostatic interactions are created by the transfer of electrons from one atom to
another.
- False
24. Which of the following would be the most stable?
-
25. How many atoms are in 2 moles of water molecules?
- (6.02 x 10^23) 6
- 36.14
26. (A = True / B = False) If a mole of Fluorine weighs approximately 19g, then the atomic
mass of fluorine is 19 daltons.
- true
27. 0.5 mol of sucrose in 0.5 L if water is equal to what molarity?
- 1
28. Acids release ____ that can be picked up by a(n) ____.
- Release protons
- Base
29. In neutral water the concentration of hydroxide is:
- 7
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