Neonatal jaundice results when a newborn baby's liver is not working fully to remove a particular waste product. Treatment involves placing the infant under a blue light, which reacts with the waste product and converts it to a form that the kidney can
excrete. What is this waste product called?
A) erythropoietin B) hemoglobin C) oxyhemoglobin D) bilirubin
Answer: D
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When is cell-to-cell communication particularly important in regulating gene expression?
A. During meiosis B. During mitosis C. During replication D. During embryonic development
When blood glucose becomes low, which organ releases glucose by breaking down glycogen?
a. Gallbladder b. Pancreas c. Liver d. Esophagus.
Put the following terms in the correct order from start to finish.
A. chromosome ? gene ? primary transcript ? messenger RNA ? protein ? polypeptide B. gene ? messenger RNA ? primary transcript ? chromosome ? protein ? polypeptide C. chromosome ? gene ? primary transcript ? messenger RNA ? polypeptide ? protein D. gene ? chromosome ? messenger RNA ? primary transcript ? protein ? polypeptide E. primary transcript ? chromosome ? gene ? protein ? polypeptide ? messenger RNA
When the dorsal lip of the blastopore is removed from one developing embryo and successfully implanted into a different location in a second embryo of the same species at the same developmental stage, which of the following is the most likely result?
(A) Two neural tubes form in the second embryo. (B) Both embryos continue to develop normally. (C) The second embryo fails to develop a head. (D) The second embryo splits into two almost immediately.