What's the difference between water-soluble and lipid-soluble hormones?
What will be an ideal response?
Ans: They have different paths through the body. Water-soluble is secreted by exocytosis, lipid-soluble diffuses across cell membranes
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One of the limiting factors in engineering plants for nitrogen fixation is to prevent the binding of ________ to the enzyme nitrogenase and the subsequent inhibition of the enzyme.
A. calcium B. bacteria C. oxygen D. phosphorus E. cell membranes
Molecules that are able to store and reproduce genetic information are known generally as ____
a. molecular hard drives b. molecular replicators c. DNA d. RNA e. ribozymes
Many people develop "mountain sickness" when they travel to high altitudes, developing headaches, difficulty
sleeping, and nausea from the lack of oxygen. Which process fails to occur in people who continue to have mountain sickness after being at high altitude for a few days?
a. evolution b. dynamic equilibrium c. acclimation d. acclimatization e. biorhythms
You have found a new prokaryote. What line of evidence would support your hypothesis that the organism is a cyanobacterium?
A) It is able to form colonies and produce oxygen. B) It is an endosymbiont. C) It forms chains called mycelia. D) It lacks cell walls.