Two-component signal transduction systems are found in the Bacteria, but not in Archaea.
Answer the following statement true (T) or false (F)
False
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Which of the following statements about the control of blood volume and blood pressure is false?
A. Angiotensin II stimulates the release of antidiuretic hormone, which increases salt and water uptake by the distal convoluted tubule. B. A drop in blood pressure stimulates the cells of the juxtaglomerular apparatus to release renin. C. Inactive angiotensinogen is converted to angiotensin II by an enzyme released from the lungs. D. Angiotensin II causes the smooth muscle in the walls of the arterioles to contract. E. Blood pressure and volume are monitored by baroreceptors in the aorta and carotid bodies.
A fungus that is dikaryotic ________
a. has two unique nuclei b. is diploid c. is haploid d. has two identical nuclei
The initial experiment of Koga and Fugatsu, in testing for any bacterial cause of aphid color change, involved all of these except
A. the specific amounts of red and green pigment molecules were initially measured as dependent variables. B. a group of green aphids was grown, then killed in order to produce an extract to test on red aphids. C. a group of red aphids was treated with the independent variable of Rickettsiella bacteria infection from green aphids. D. a group of red aphids was grown as a control group. E. a group of aphids infected with Rickettsiella bacteria was grown, then killed in order to produce an extract to test on red aphids.
Choose the defining characteristic of all arteries.
A. They only carry oxygenated blood. B. They only carry blood away from the heart. C. They only carry blood back to the heart. D. They only carry deoxygenated blood.