In which of these stages does the chromosome consist of two chromatids?
1.prophase and anaphase
2.metaphase, prophase, and anaphase
3.metaphase and prophase
4.metaphase, telophase, and prophase
5.at any time during cell division
3
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Which of the following is NOT a function of the integumentary system?
A. defense against pathogens B. fluid transport C. supporting the weight of body structures D. protection from dehydration E. regulation of body temperature
In order for NAD+ to remove electrons from glucose or other organic molecules, which of the following must be true?
A) The organic molecule or glucose must be negatively charged in order to reduce the positively charged NAD+. B) Oxygen must be present to oxidize the NADH produced back to NAD+. C) The free energy liberated when electrons are removed from the organic molecules must be greater than the energy required to give the electrons to NAD+. D) A and B are both correct. E) A, B, and C are all correct.
Most nutrients and water are absorbed in the __________.
Fill in the blank(s) with the appropriate word(s).
What stimulates the production of adrenocorticotropic hormone (ACTH)?
A. CRH B. CIH C. GHRH D. ADH