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• 3. What do we usually call the reactant in an enzyme-catalyzed reaction?(A)substrate(B)catalyst (C)c
• 6. What step in plant photosynthesis occurs the splitting of water and the generation of oxygen?(A)P
• 5. What step in cellular respiration occurs in the cytoplasm of eukaryotic cells?(A)Glycolysis(B)ATP
• 9. The cell surface receptors that can act only indirectly on plasma membrane-bound enzymes or ionch
• 7.What molecule is the electron donor for the light dependent reaction in plant photosynthesis?(A)ca
• 11 . There are 24 sister chromatids in a normal somatic cell. How many chromosomes are there?(A)8 (B
• 10. What enzyme phosphorylates MAP kinase?(A)MAP(B)MAP kinase (C)MAP kinase kinase((D)MAP phosphatas
• 8. Which type of plant can utilize the Calvin cycle?(A)C3 plants(B)C4 plants(C)CAM plants (D)C3, C4,
• 12.Which structures demonstrate the sites of crossing over?(A)chiasmata(B)centromeres(C)kinetochores
• 13.How many Barr bodies can be found in a diploid cell from a normal human female? (A)0 (B)1 (C)2(D)
• 16. Micro RNA (miRNA)can regulate gene expression by binding directly to(A)mRNA to prevent transcrip
• 15. If eukaryotic mRNA molecules contain non-coding sequences that can be removed before translation
• 14. During DNA replication, which enzyme removes the RNA primers and fills in the gap?(A)DNA pol I(B
• 17. There are two distinct domains for specific transcription factors in eukaryotes and they are(A)a
• 22. Some flowering plants show disassortative mating by preventing self-pollination and it increases
• 18. The most common DNA-binding motif is the(A)non-helical zipper(B)leucine zipper (C)zinc finger(D)
• 21.Which model organism we can find a complete cell lineage map?(A)C. elegans(B)Drosophila(C)mouse (
• 19. The enzyme dicer can chop dsRNA molecules into small pieces and they are(A)mRNA and miRNA(B)miRN
• 20.We calculate recombination frequency between genes to generate a(A)genetic map(B)physical map(C)r
• 27. Synteny is(A)the rearrangement of gene order due to inversions(B) the constancy of chromosome nu
• 26. If genes have been mutated by introducing stop codons or transposons disrupting within the codin
• 25. A monophyletic group is that(A)all members share homoplastic traits(B)not all descendants of the
• 24. The evolution of similar forms in different lineages if exposed to the same selective pressures.
• 28. Viruses may cause cancer by(A)disrupting a cancer-causing gene(B)inserting cancer causing genes
• 31. Why do many seeds contain oils form in a significant part of the nutritional reserves?(A)Oils he