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SUBTERM 2 FINAL- CLICKER REVIEW

SUBTERM 2 FINAL- CLICKER REVIEW. Bio-CP. What enzyme makes mRNA?. RNA polymerase DNA polymerase Reverse transcriptase Primase. How many chromatids are there in the diagram below?. 2 4 8 0. What phase of meiosis is this?. Prophase II Metaphase I Telophase I Anaphase II

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SUBTERM 2 FINAL- CLICKER REVIEW

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  1. SUBTERM 2 FINAL- CLICKER REVIEW Bio-CP

  2. What enzyme makes mRNA? • RNA polymerase • DNA polymerase • Reverse transcriptase • Primase

  3. How many chromatids are there in the diagram below? • 2 • 4 • 8 • 0

  4. What phase of meiosis is this? • Prophase II • Metaphase I • Telophase I • Anaphase II • Anaphase I

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

  6. What is the name of the indicated structure (green lines)? • Centromere • Spindle • Kinetochore • Centrosome

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

  8. In transcription, _______ is transcribed into _______. • mRNA, DNA • tRNA, mRNA • DNA, tRNA • DNA, mRNA • rRNA, tRNA

  9. How many chromosomes does a human somatic cell have? • 46 • 44 • 23 • 2

  10. Where does translation occur? • Nucleus • Cytoplasm • Mitochondria • chloroplast

  11. The following is an example of an autotroph. • mushroom • Avocado tree • Preying mantis • Clown fish

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

  13. What is the name of what is circled? • mRNA binding site • Amino acid binding site • Anticodon • Codon

  14. An mRNA codon with the sequence ACU would complementary pair with what tRNA sequence? • ACU • TGA • UGT • UGA • None of the above

  15. How many autosomes does a human somatic cell have? • 46 • 44 • 23 • 2

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

  17. What is the diploid number of this cell? • 2 • 3 • 6 • 12

  18. How many chromosomes will one cell have in Metaphase II? • 3 • 6 • 12 • 24

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

  20. Identify the centromere? • 1 • 2 • 3 • 4

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

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

  23. Where does transcription occur? • Nucleus • Cytoplasm • Mitochondria • chloroplast

  24. How many chromosomes does a human gamete have? • 46 • 44 • 23 • 2

  25. The genes of DNA contain the instructions for making ___________. • Carbs • Lipids • Proteins • Nucleic Acids

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

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

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

  29. How many sex chromosomes does a human somatic cell have? • 46 • 44 • 23 • 2

  30. When does DNA replication occur? • metaphase • telophase • prophase • interphase

  31. What trophic level does the snail occupy? • Producer • Primary consumer • Secondary consumer • 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? • 0% • 25% • 50% • 100%

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

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

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

  36. Where does DNA replication occur? • Nucleus • Cytoplasm • Mitochondria • chloroplast

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

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

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

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

  41. Which of the following is not a heterotroph? • mushroom • grass • Bumble bee • whale

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