OAT Biology Achiever Exam Guide with Latest Update

Which of the following macromolecules will disulfide linkages be found along their standard structures? A) Nucleotides B) Carbohydrates C) Lipids D) Proteins E) Cholesterol - Answer-Proteins High content of Oxygen in the fetal circulation system may be traced at the A) Umbilical Artery B) Umbilical Vein C) Pulmonary Vein D) Pulmonary Artery E) Aorta - Answer-B) Umbilical Vein All of the following statements pertain to Kingdom Monera EXCEPT for one. What is that one exception? A) Common shapes of prokaryotes are spherical, rod, or helical. B) DNA molecule is double stranded C) Genetic recombination can occur through transformation, conjugation, or transduction D) DNA molecule is concentrated in nucleons region in the form of a ring E) Peptidoglycans are absent in gram negative bacteria - Answer-E) Peptidoglycans are absent in gram negative bacteria The Static allele frequencies, leading possibly to threat of extinction among the cheetah population, is closely related to a condition called A) Punctuated Equilibrium B) Catastrophism C) Genetic Variation D) Hybridization E) Genetic Equilibrium - Answer-E) Genetic Equilibrium In a plant, blue petal (B) is dominant to white petal (b); and long stem (L) is dominant to short stem (l). Determine the parental genotypes if 299 loop petal long stems, 302 blue petal short stem, 103 white petal long stem and 98 white petal short stem plants are produced. A) BbLl x Bbll B) BbLl x BbLl C) BBll x BbLl D) Bbll x bbLl