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High School Biology: Homework Help Resource Final Exam

Free Practice Test Instructions:

Choose your answer to the question and click 'Continue' to see how you did. Then click 'Next Question' to answer the next question. When you have completed the free practice test, click 'View Results' to see your results. Good luck!

Question 1 1. A scientist notices several birds in the same area that are similar in appearance with the exception of different beak lengths. She observes that one type of bird with a particularly long beak can pick bugs out of holes in the ground, while the birds with shorter beaks cannot. The longer beak is an example of

Question 2 2. How does a frameshift mutation in the gene coding for the enzyme, hexosaminidase A, result in Tay-Sachs disease?

Question 3 3. A scientist incubates E. coli with iced calcium chloride and a plasmid that contains an ampicillin-resistance gene as the selectable marker. Then, he briefly heat shocks the mixture at forty-two degrees Celsius. After the recommended recovery time, he plates the cells on kanamycin plates. The next day, he is surprised that no cells grew. What statement best explains why the transformation experiment failed?

Question 4 4. If the cell of a diploid organism (2n = 6) undergoes meiosis, how many chromosomes are present in each daughter cell at the end of meiosis II?

Question 5 5. Which of the following are used in the dark reactions but produced in the light reactions?

Question 6 6. Why do we use displacement to measure the volume of an irregular object?

Question 7 7. Which rule describes how you come to understand what a chart means and how to use it effectively?

Question 8 8. The process in which the duplicated DNA of a diploid cell is separated into two daughter cells is called:

Question 9 9. Which of the following is TRUE about reflexes?

Question 10 10. Oswald Avery answered the question he set out to investigate by showing that _____ was the transforming principle in the Avery-Griffith experiment.

Question 11 11. Which term is used to describe how plants spread their seeds?

Question 12 12. Which of the following structures produces the female gamete?

Question 13 13. Viral nucleic acids that comprise a viral genome can be:

Question 14 14. Which of the following is true about Spemann's experiments with 2-cell-stage embryos?

Question 15 15. Which of the following would be considered recombinant DNA?

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High School Biology: Homework Help Resource Final Free Practice Test Instructions

Choose your answer to the question and click 'Continue' to see how you did. Then click 'Next Question' to answer the next question. When you have completed the free practice test, click 'View Results' to see your results. Good luck!

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