Prebiotic soup hypothesis proposes that organic molecules formed from cracks in the ocean floor
____________ Indicate whether the statement is true or false.
F, Iron-sulfur world
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The statement "DNA ? RNA ? Proteins" _____
A) is known as central dogma B) depicts the regulation of gene expression C) is the same in all organisms including viruses and prions D) describes a series of catalytic reactions
What is a goal of human therapeutic cloning?
a. To transfer cells from an unrelated individual into a patient needing a transplant. b. To create pluripotent cells for medical research only c. To make a new individual, who is genetically identical to a patient needing a transplant. d. To create pluripotent stem cells using a patient’s nucleus e. To extract ES cells from an embryo
What is true of normal human urine production?I-Blood pressure is used to push nitrogenous waste, water, and small molecules through a filter, forming the filtrate, while cells and most proteins are retained in the blood.II-Most water is reabsorbed as the filtrate is passing through a long tube.III-Ammonia is produced as the metabolic breakdown is excreted.
A. just I B. II and III C. I, II, and III D. just II E. I and II
____ is not one of the phases of vertebral column development
Fill in the blank(s) with the appropriate word(s).