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• 46. What types of cells carry out ATP synthesis by chemiosmosis?(A) all cells, exclusively using oxy
• 47. In which cellular structure are the enzymes of the Calvin cycle localized?(A) chloroplast stroma
• 48. Assuming independent assortment at all loci, what is the probability that a cross between thefol
• 49. Why are males more often affected by X-linked traits than females?(A) Genomic imprinting(B) X-ch
• 50. Which of the following statements correctly describes the difference between the leading strand
• 51. Gene expression is often assayed by measuring the level of mRNA produced from a gene. Which ofth
• 52. Which of the following enzymes is required to make complementary DNA (cDNA) from RNA?(A) RNA rep
• 53. What is believed to be the most significant result of the evolution of the amniotic egg?(A) Tetr
• 54. In humans, the follicular cells that remain behind in the ovary following ovulation become______
• 55. The outer-to-inner sequence of tissue layers in a post-gastrulation vertebrate embryo is________
• 56. A common feature of action potentials is that they(A) cause the membrane to hyperpolarize and th
• 57. The following description about plants emitting volatile signals is incorrect.(A) Volatile signa
• 58. Most of the ATP supplies for a skeletal muscle undergoing one hour of sustained exercise come fr
• 59. What is the biological significance of genetic diversity between populations?(A) Genes for trait
• 60. What, approximately, is the fraction of genetic variation in the nuclear genome is that is expec
• 61. Mutations are important because they bring about____________. (A) death of the organism in which
• 62. When organisms with disadvantageous traits die out early before much, if any reproduction, this
• 63. Which fundamental tissue types are included in all three basic vascular plant organs?(A) Dermal,
• 64. The group of molluscs, which possess eyes similar to vertebrates(A) cephalopoda(B) gastropoda (C
• 65. Plant cell with aψs of -0.5 MPa maintains a constant volume when bathed in a solution that has a
• 66. What would be the most effective method of reducing the incidence of blood flukes in a humanpopu
• 67. Which animal has a complete digestive system?(A) jellyfish(B) roundworm(C)sponge(D) coral
• 68. Which of the following shows the correct direction of blood flow through the chambers of the hea
• 69. Put the step of the life cycle of a mushroom-forming basidiomycete in the order.1. Karyogamy in
• 70. The following description about the apoptosis in the Caenorhabditis elegansplants is incorrect.(