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Semester 2 Final Practice Test 1. Variations can result in ___. Choose all that apply. a. b. c. d. e. Mutations Speciation Extinction Geographic isolation Competition 2. A requirement for evolution to happen is to have a. b. c. d. variation variation variation variation between between between between individuals. populations. species. kingdoms. 3. The mRNA nucleotide sequence is determined by the ___ nucleotide sequence. a. b. c. d. e. tRNA rRNA amino acid DNA nucleic acid 4. Which of the following BEST describes tRNA charging? a. b. c. d. e. tRNA tRNA tRNA tRNA tRNA carries amino acid to ribosome moves out of the nucleus attaches to its anticodon attaches to its amino acid attaches to its codon 5. The nucleus is made during ___. a. b. c. d. e. f. Anaphase Cytokinesis Interphase Metaphase Prophase telophase 6. To remove DNA from an organism’s genome, which process is used? a. Gene therapy b. Restriction digest c. Ligation d. DNA fingerprinting e. Transformation 7. The cell is considered diploid when a. b. c. d. e. the chromatids are doubled. meiosis is completed. it has homologous chromosomes. it has daughter chromosomes. it can divide four times. 8. A recessive allele is found on the X chromosome. Fathers will pass the condition to which of his children (assume his wife is not a carrier)? a. b. c. d. all his daughters half his daughters all his sons none of his children 9. All of these describe the phenotype EXCEPT for ___. a. b. c. d. e. alleles height adaptations traits variations 10. Which of these does NOT describe a diploid cell? Choose all that apply. a. b. c. d. e. f. Gametes Somatic cells Results from mitosis Found at the start of meiosis 1n 2n 11. Which hormones stimulate the release of estrogen & progesterone? Choose all that apply. a. b. c. d. e. FSH GnRH HCG LH oxytocin 12. Which of these is LEAST likely to lead to speciation? a. b. c. d. Adaptation Evolution Gene flow Reproductive isolation 13. Protein is found in all of the following EXCEPT for ___. a. b. c. d. Cholesterol Enzymes Keratin myosin 14. Each strand of a double-stranded chromosome is known as ___. a. b. c. d. A centromere A daughter Homologous A chromatid 15. Chromosomes that code for the same genes but are not identical are called ___. a. b. c. d. e. Chromatids Chromatin Daughters Homologous Sisters 16. Which of the following is NOT a product of meiosis? a. b. c. d. 1n cells Gametes Haploid cells Somatic cells 17. Which of the following will result in sticky ends? a. b. c. d. e. Cloning Restriction digest Gel electrophoresis Transformation Ligation 18. Which chromosomes are NOT considered homologous? a. b. c. d. Autosomal X chromosomes X & Y chromosomes None of these 19. Both the ovaries & testes are types of ___. a. b. c. d. Gonads Gametes Travel tubes Glands 20. If you don’t notice your skin stretch, which sensory receptors aren’t working? a. b. c. d. e. Pain receptors Chemoreceptors Thermoreceptors Photoreceptors Mechanoreceptors