The highest blood pressure that is reached during the contraction phase of the heart cycle is:
What will be an ideal response?
Systolic
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Laboratory-based genetic systems have been difficult to develop for Archaea, because they do NOT naturally undergo conjugation or transduction
Indicate whether the statement is true or false.
Which one of the following is TRUE regarding erythropoietin?
A) It is secreted by the liver in response to rising blood pH. B) It causes the bladder to store increased amounts of urine. C) It is part of a positive feedback loop used to control the amount of hydrogen ion secreted by the kidneys. D) It stimulates the production of red blood cells in the bone marrow. E) It is secreted in response to rising blood oxygen levels.
When a segment of DNA duplicates, causing two copies of a gene to be present in the chromosome, the duplicate copy could possibly (Check all that apply)
A. gain a new function due to mutation. B. become a centromere. C. become a pseudogene. D. lose function due to mutation. E. become an ortholog.
The female hormone that participates in milk production is _____ and the hormone that stimulates milk glands to contract is _____.
A. prolactin; oxytocin B. prolactin; estrogen C. prolactin; progesterone D. oxytocin; estrogen E. oxytocin; progesterone