Penn Foster Biology Review
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Penn Foster Biology Review
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25 Questions

1. A sand dollar or a brittle star displays ( ) symmetry

2. A molecule of glucose contains

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

4. Loosely packed chromatin in eukaryotic cells is called

5. In ( ) evolution, two species acquire traits similar to those of very distantly related evolutionary ancestors.

6. Adaptation

7. In the electron pathway for light reactions in photosynthesis, PS II involves

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

9. In cellular respiration, the number of ATP molecules produced equals about 40% of the energy available from a glucose molecule. The remainder of the energy is lost as

10. In the female reproductive system, fimbriae are finger-like projections attached to the

11. ( ) cloning refers to producing cells that might be used to repair spinal tissue injuries.

12. Assume that the allele for curly hair dominates the allele for straight hair. If a homozygous man with straight hair marries a homozygous curly-haired woman, we would expect their children to display which phenotypes?

13. Eukaryotic cell's generally rely on a cytoskeletal structure called a/an ( ) to pull chromatids apart

14. ( ) are self-feeders that depend on sunlight to split water and for the reduction of carbon dioxide

15. The ( ) bond is s type of atomic bond in which atoms share electrons to produce a completed outer shell

16. During a scientific experiment, the control group is

17. The coelom separates the ( ) from the ( )

18. ( ) is the movement of water across a semipermeable membrane from an area of higher concentration to an area of lesser concentration

19. The gene for ( ) has been used to create larger fish and rabbits

20. It's estimated that about 25% to 35% of western croplands in the United States have undergone salinization due to

21. In the central nervous system, the hypothalamus and the thalamus are located in the

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

23. Sympatric speciation may occur in plants due to

24. If we're looking for the proportions of recessive to dominant alleles A and a under the Hardy-Weinberg equation p2 + 2pq + q2= 1, and p2 is the frequency of homozygous dominant (A) individuals, then q must represent the frequency of

25. ( ) is the so-called stress hormone in plants

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