Free HESI A2 Biology Practice Test
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Question 1 of 10
1. Question
Which of the following correctly lists the hierarchic system of classification from most inclusive to least inclusive?
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Question 2 of 10
2. Question
Which of the following best describes why polarity is the most important characteristic of water?
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Question 3 of 10
3. Question
Which of the following correctly identifies the difference between saturated and unsaturated fats?
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Question 4 of 10
4. Question
All metabolic reactions in a cell are catalyzed by which of the following?
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Question 5 of 10
5. Question
Which organelle is responsible for storing, modifying and sending out products of the endoplasmic reticulum, such as proteins?
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Question 6 of 10
6. Question
Which step in cellular respiration takes place in the mitochondria of the cell and produces two ATP molecules, six carbon dioxide molecules, and six NADH molecules for every molecule of glucose?
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Question 7 of 10
7. Question
What is the role of water in photosynthesis?
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Question 8 of 10
8. Question
During which phase of cell reproduction are the chromosomes duplicated, and the cell prepares for division?
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Question 9 of 10
9. Question
The color purple (P) is dominant in a plant. If you have a purple plant with an unknown genotype and cross it with a white plant (pp) and get offspring which are 100% purple, what is the genotype of the unknown plant?
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Question 10 of 10
10. Question
Which are the correct mRNA bases, complementary to the following DNA strand “ TGCA”:
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