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Question 211 pts
Blood cells placed in pure water will burst because there is a net movement of water out of the cell.
True |
False |
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Question 221 pts
Photosynthesis takes place in tiny organelles within the cell known as mitochondria.
True |
False |
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Question 231 pts
The balanced chemical equation for cellular respiration is
C6H12O6 + 6O2 → 6CO2 + 6 H2O + 36 or 38 ATP
True |
False |
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Question 241 pts
A catalyst is anything that speeds up a chemical reaction.
True |
False |
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Question 251 pts
Kinetic energy is the energy an object possesses due to its motion.
True |
False |
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Question 261 pts
Changes in temperature and pH may speed up or slow down the activity of an enzyme.
True |
False |
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Question 271 pts
There are 20 different amino acids.
True |
False |
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Question 281 pts
The products of the light-dependent reactions of photosynthesis are oxygen, ATP, and NADPH.
True |
False |
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Question 291 pts
Which of the following is NOT a component of the Cell Theory?
Cells arise only by division of a previously existing cell. |
Cells are the smallest units of structure and function |
All organisms are composed of one or more cells. |
Cells can vary their shape and size to suit the environment for survival. |
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Question 301 pts
What is the name of the two subatomic particles that can be found in the nucleus of an atom?
neutrons and electrons |
protons and neutrons |
protons and electrons |
protons and morons |
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Question 311 pts
Atoms that have either a positive or negative charge are known as:
ions |
magnetic |
lacking nuclei |
electrically neutral |
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Question 321 pts
An atom with an unfilled outer energy level (electron shell) is likely to be:
inert |
unable to form bonds with other atoms |
reactive |
extremely stable |
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Question 331 pts
All living things are able to maintain stable internal conditions. This is known as
metabolism |
homeostasis |
heredity |
cellular organization |
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Question 341 pts
Which of the following is NOT considered to be one of the five basic properties shared among living organisms?
made of one or more cells |
grow and reproduce |
posses DNA |
need oxygen to survive |
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Question 351 pts
CFCs (Chlorofluorocarbons) in the stratosphere cause:
global warming due to increased CO2 |
increase ozone levels by converting O2 to O3 and decreasing UV passage to Earth. |
act as a catalyst to destroy ozone increasing UV passage to Earth. |
increased ice crystal formation that cools the earth. |
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Question 361 pts
The process by which traits are passed from parents to offspring is known as:
heredity |
homeostasis |
complexity |
movement |
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Question 371 pts
Alcoholic fermentation occurs in muscle cells of the human body.
True |
False |
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Question 381 pts
If carbon has 6 protons and 6 neutrons, how many electrons must it have to be electrically neutral?
3 |
36 |
6 |
12 |
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Question 391 pts
The loss of an electron is known as _______; the gain of an electron is known as ________.
reduction; oxidation |
transduction; adduction |
oxidation; reduction |
removal; addition |
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Question 401 pts
Kinetic energy is the stored energy that can be used for motion.
True |
1. False
Water is hypotonic wrt blood hence water will go inside the blood cells causing them to burst
2. false, Photosynthesis occurs inside the chloroplasts.
3. True
4. True, Catalysts lower the activation energy required to speed up the reactions.
5. True, Kinetic energy is the energy provided due to motion
6. True, these affect the efficiency of reaction and also the stability of the enzyme.
7. True, 20 amino acids are found in human body.
8. True
9. Cell theory doesn’t cover the last point about change in shape and size of the cells.
10. Proton and neutron are found in the nucleus.
11. Positively or negatively charged atoms are called ions.
12. The atom with unfilled outer shell will be very reactive
13. Homeostasis
14. Need oxygen to survive, Some are anaerobic which thrive in oxygen deficient environments
15. Destroy Ozone layer
16. Heredity
17. True
18. 6
19. Oxidation, Reduction
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