1. SUBTERM 2 FINAL- CLICKER REVIEW Bio-CP

2. What enzyme makes mRNA? A.RNA polymerase B.DNA polymerase C.Reverse transcriptase D.Primase

3. How many chromatids are there in the diagram below? A.2 B.4 C.8 D.0

4. What phase of meiosis is this? A.Prophase II B.Metaphase I C.Telophase I D.Anaphase II E.Anaphase I

5. Which of these cells are in metaphase I of meiosis? A. B. AB

6. What is the name of the indicated structure (green lines)? A.Centromere B.Spindle C.Kinetochore D.Centrosome

7. If an organism has 24% adenine (A) nucleotides, what percent of guanine (G) would you expect to find? A.24% B.26% C.48% D.52% E.None of the above

8. In transcription, _______ is transcribed into _______. A.mRNA, DNA B.tRNA, mRNA C.DNA, tRNA D.DNA, mRNA E.rRNA, tRNA

9. How many chromosomes does a human somatic cell have? A.46 B.44 C.23 D.2

10. Where does translation occur? A.Nucleus B.Cytoplasm C.Mitochondria D.chloroplast

11. The following is an example of an autotroph. A.mushroom B.Avocado tree C.Preying mantis D.Clown fish

12. Which of the following is inherited as an autosomal dominant condition? A.Hemophilia B.Huntington’s C.Cystic Fibrosis D.Color-blindness

13. What is the name of what is circled? A.mRNA binding site B.Amino acid binding site C.Anticodon D.Codon

14. An mRNA codon with the sequence ACU would complementary pair with what tRNA sequence? A.ACU B.TGA C.UGT D.UGA E.None of the above

15. How many autosomes does a human somatic cell have? A.46 B.44 C.23 D.2

16. A DNA sequence of CAC codes for what amino acid? A.Histidine B.Valine C.Glutamic acid D.None of the above

17. What is the diploid number of this cell? A.2 B.3 C.6 D.12

18. How many chromosomes will one cell have in Metaphase II? A.3 B.6 C.12 D.24

19. How many alleles does a man have for a gene that is found on an autosome? A.0 B.1 C.2 D.4

20. Identify the centromere? A.1 B.2 C.3 D.4

21. Which of the following is inherited as an autosomal recessive condition? A.Hemophilia B.Huntington’s C.Cystic Fibrosis D.Color-blindness

22. What process is illustrated and when does it occur? A.Kinetochore attachment: prophase I B.Recombination: fertilization C.Crossing over: prophase I D.Recombination: prometaphase

23. Where does transcription occur? A.Nucleus B.Cytoplasm C.Mitochondria D.chloroplast

24. How many chromosomes does a human gamete have? A.46 B.44 C.23 D.2

25. The genes of DNA contain the instructions for making ___________. A.Carbs B.Lipids C.Proteins D.Nucleic Acids

26. What is the phenotypic ratio of the following cross? Aa x Aa A.3 Aa: 1 Aa B.1AA: 2Aa: 1aa C.3 black: 1 white D.1 black: 2 lethal/dead: 1 white

27. Which of the following genotypes is incorrectly paired with its phenotype? A.BB--  B- B.BO+-  B+ C.OO+-  O- D.AB+-  AB+

28. Which chromosome is absolutely necessary for an embryos survival? A.Autosome Y B.Sex chromosome Y C.Sex chromosome X D.All of the above

29. How many sex chromosomes does a human somatic cell have? A.46 B.44 C.23 D.2

30. When does DNA replication occur? A.metaphase B.telophase C.prophase D.interphase

31. What trophic level does the snail occupy? A.Producer B.Primary consumer C.Secondary consumer D.decomposer

32. If dad is homozygous Type A and mom is heterozygous Type B, what is the probabililty they will have a child who is type A? A.0% B.25% C.50% D.100%

33. In translation, mRNA is translated into _________, made up of ________? A.DNA, nucleotides B.Nucleotides, DNA C.Proteins, Amino Acids D.Amino Acids, Proteins

34. In DNA replication, _________ unwinds/ unzips DNA, ________ adds the new nucleotides, and _________ joins fragments of lagging strand. A.DNA Polymerase, Helicase, Ligase B.RNA Polymerase, Helicase, Ligase C.Helicase, DNA Polymerase, Ligase D.Ligase, Helicase, RNA Polymerase

35. Which of the following is NOT a condition of Hardy-Weinberg? A.Small population B.No mutation C.Random mating D.No gene flow E.No natural selection

36. Where does DNA replication occur? A.Nucleus B.Cytoplasm C.Mitochondria D.chloroplast

37. What makes up the backbone of DNA? A.Nitrogenous bases (A, T, C, and G) B.5 Carbon Sugars C.Phosphate groups D.Both B and C E.Both A and B

38. A change in allele frequency would be most likely in which situation? A.When an ecosystem is stable B.After a massive hurricane C.If a region goes through a severe drought D.All of the above E.B & C

39. If “A” occurs at a frequency of 70% in a population, then how often does “a” occur? A.70% B.35% C.30% D.100% E.0%

40. Which of the following is inherited as an sex- linked recessive condition? A.Hemophilia B.Huntington’s C.Cystic Fibrosis D.Sickle cell

41. Which of the following is not a heterotroph? A.mushroom B.grass C.Bumble bee D.whale