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Penn Foster Biology Review
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Penn Foster Biology Review
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25 Questions

1. What is not an example of a service provided by beneficial bacteria?

2. ( ) occurs in cells especially set aside for reproduction, but not in somatic cells

3. In the testes, seminiferous tubules carry out the processes of

4. ( ) is an example of a CAM plant

5. The ability of primroses with the same genotype to express different phenotypes for flower color is an example of

6. What mechanism creates new alleles?

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

8. If some members of a population exhibit adaptations that increase their ability to attract mates, ( ) selection is occurring

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

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

11. What base only occurs in RNA?

12. A deficiency of vitamin D can lead to bone decalcification and a disorder called

13. The correct base pairing for DNA

14. Which of the following groups represents the female parts of a flower?

15. ( ) is a DNA sequence that controls transcription in a prokaryote

16. The synovial joints of the shoulder and hips are examples of a ( ) joint

17. In the context of gene mutations, if a codon triplet makes no sense in respect to any protein used by the organism, it's called a ( ) mutation.

18. Which strand of DNA is a complement to T-A-G-G-T-C-A?

19. ( ) are animals with repeating segments that exhibit bilateral symmetry

20. Venous blood from the superior vena cava enters the human heart at the

21. In the process of urine formation, the movement of small molecules from a capillary to the inside of a nephron capsule is called

22. During winter only the upper surface of a lake freezes, which allows for life to persist below the surface. Which of water's unique properties is responsible for this phenomenon?

23. Which blood type contains plasma antibodies they are both anti-A and anti-B?

24. What is an example of a non renewable resource?

25. If a codon triplet makes no sense in respect to any protein used by the organism; it's most likely caused by a ( ) mutation