1. Review for Test 2 Mark L. Mayo Cypress College Last Update: 04/18/14

2. Question 1  What is the ultimate source of energy for life on earth?

3. Question 2  Inside the chloroplast is a stack of flattened discs called a(n) ______________

4. Question 3  Name the three products of the light reactions

5. Question 4  Which portion of photosynthesis (light or dark reactions) is CO 2 needed?

6. Question 5  The aerobic stage (requires oxygen) of respiration occurs in the _____?_______ within the cell.

7. Question 6  The net production of ATP as a result of respiration is _____?_____

8. Question 7  Lactic acid is produced in the _____?______ when movement of effort is needed and insufficient oxygen is present.

9. Question 8  Name the organism capable of alcoholic fermentation

10. Question 9  The ______ _____ to ________ ratio determines when a cell needs to divide.

11. Question 10  Name the parts of the cell cycle in order

12. Question 11  During which phase of mitosis do cells conduct all of the normal (non-cell division) activities?

13. Question 12  Which phase is shown?

14. Question 13  Which phase is shown?

15. Question 14  The reason many or most organisms reproduce by sexual reproduction is it produces ______?________

16. Question 15  A black rhinoceros (Diceros bicornis) has been studied for many years and found to have 50 chromosomes in the cells of the brain. Compute the expected chromosome number in the egg of a black rhinoceros.

17. Question 16  16A. Give the human diploid number.  16B. Give the human haploid number.

18. Question 17  Meiosis occurs in your ____?_____ (this should be a body part YOU have

19. Question 18  Name the father of classical genetics

20. Question 19  The stronger of two genes is called ______ and the weaker is called _______.

21. Question 20  The visible result of your gene or the effect of your gene is called the _____?_____

22. Question 21  The letters which stand for the genes a pea plant has like TT or Tt are known as its ___?____

23. Question 22  Tt or Bb or Rr are all known as ___?___

24. Question 23  4 o’clock flowers and roan cows are used in genetic problems of _____?_____

25. Question 24  All of the 4 o’clock flowers would be ___?___ after crossing rr x ww

26. Question 25  The fruit fly used to study sex chromosomes and used throughout genetics experimentation is called _____?_____

27. Question 26  The portion of the DNA molecule called a ____?____ has the plans to make one protein

28. Question 27  Name an example of human trait controlled by multiple alleles (more than one gene)

29. Question 28  Can two normally pigmented people with genotypes (Aa) have an albino son?

30. Question 29  The failure of two homologous chromosomes to separate during meiosis is termed ____?____

31. Question 30  Diagnose the condition shown in this karyotype

32.  31A  31B Question 31 P T - S P ? - S P C - S P G - S P S – A P S – T P ? – G P S - C

33. Question 32  One DNA strand goes from 5’ to 3’ and the other strand goes from 3’ to 5’ – this is know a ______? ____________ orientation

34. Question 33  The small fragments of DNA found on the lagging strand of DNA during replication are called ______?_______

35. Question 34  _______?_____ is the plan from DNA for the construction of the new protein molecule

36. Question 35  ____?____ are groups of three bases on mRNA that code for specific amino acids

37. Get Ready for the Answers Be honest

38. Answers 1. Sun 2. Grana 3. O 2, ATP,NADPH 4. Dark 5. Mitochondrion 6. 36 7. Animal muscles 8. Yeast 9. Surface area volume 10. G1, S, G2, M, C 11. interphase 12. interphase 13. Metaphase 14. Diversity 15. 25 16. A -46 b-23 17. Testes or ovaries 18. Mendel 19. Dominant - recessive 20. phenotype

39. Answers 21. genotype 22. heterozygous 23. Incomplete dominance 24. pink 25. Drosohila melanogaster 26. gene 27. Eye, skin, hair color or blood type 28. Yes (25%) 29. Non-disjunction 30. Trisomy 21 or Down syndrome 31. A=A & B=S or deoxyribose 32. antiparallel 33. Okazaki fragment 34. mRNA 35. Codon or triplet codon