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Penn Foster Biology Review
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Avg score: 62% • Most missed: “( ) breaks up fats through a process of emulsification.”
Penn Foster Biology Review
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25 Questions

1. What kind of skeleton does an earthworm have?

2. The sequence of all of the base pairs that compose the genes and intergenic DNA segments of an organism is called a

3. The skull, the ribs, the vertebrae, and the sacrum are parts of the ( ) skeleton.

4. What are three examples of services provided by beneficial bacteria?

5. Plants growing upward even in the absence of light are exhibiting a type of

6. The first hominid group known to use fire is now called

7. ( ) T cells regulate immunity by secreting signaling chemicals called cytokines

8. Complete this analogy: the villi are to small-molecule nutrient absorption as the large-intestine is to the

9. Which of of the following functional groups is associated with fatty acids?

10. Schwann cells are a type of neuralgia that surrounds nerve fibers with a/an ( ) sheath

11. Besides carbon dioxide, the other end product of cellular respiration is

12. Where does germination take place in a flowering plant?

13. A tumor that has invaded surrounding tissues is considered to be

14. In a/an ( ) reaction, one reaction releases energy and the second uses energy

15. Speciation due to geographic barriers separating populations is called ( ) speciation

16. In vascular plants ( ) conducts water and minerals, while ( ) conducts organic nutrients

17. Complete this analogy: among protozoans, ciliates are to cilia as ( ) are to pseudopods

18. The Watson and Crick model of DNA led to the discovery of

19. The courtship rituals performed by some male birds to attract females of the same species are an example of ( ) isolation

20. To allow for gas exchange, the pit helium of an alveolus is snugly adjacent to the epithelium of a ( ), forming a respiratory membrane

21. Genes that can be passed on to offspring by a female carrier are

22. The first step of the ( ) process denatures DNA at 95 degrees C to separate the strands

23. What is the main function of the mitochondria?

24. Urine is formed in the

25. What base only occurs in RNA?

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