51. The progress of the eukaryotic cell cycle is regulated primarily by what pro

Question

51. The progress of the eukaryotic cell cycle is regulated primarily by what proteins? Cyclins B. Histone proteins 52. This C. Condensins D. FtsZ extensive protein or protein complex functions in the cell to stop cell division if the cell has experienced DNA damage: B. p53 C. FtsZ D. Condensin 53. The pairing of chromosomes along their lengths, which is essential for crossing over is referred to as A. syngamy. B. synapsis. C. prophase. D. recombination. E. centromere. 54. A diploid organism that has two identical alleles for a given trait is called for that trait. A homozygous B. heterozygous C. dominant D. recessive E codominant 55. Traits that are controlled by genes located on the X chromosome are said to be B. gametal C. sex-linked D. pleiotropic 56 If an individual allele has more than one effect on the phenotype, this is called pleiotropy. B. epistasis. C. blending inberitance. D. multiple alleles. E, polygenic inheritance. 57, DNA primase A. creates a short RNA primer that is complementary D. creates a short DNA that is to an RNA template. template B. creates a short DNA primer complementary to an RNA primer. to that is complementary E. creates a short RNA primer that is complementary an RNA template. C creates a short DNA primer to a DNA template. to a DNA that is complementary template. 58. If a short sequence of DNA is 5' AATTGCCGT3, its complement is A. 5 AAAACGCCA B. 3 TTAACGGCT C. TTAACGGCA, D. TTAAGcoGAE. STTAACGGCA

Explanation / Answer

51: A; Progress of eukaryotic cell cycle is regulated by cyclins
52: This protein or protein complex functions in the cell to stop cell division if the cell has experienced extensive DNA damage:
as extensive DNA damage: B p53
53: The pairing of chromosomes along their length= B synapsis
54: A; Homozygous
55: C; sex linked
56: A; pleiotropy
57: E; DNA primase created RNA primers that are complimentary to DNA template
58: 5'AATTGCCGT3'
Complimentary sequence= C; 3'TTAACGGCA5'

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