What do you know about steroid receptors? What other information is related to the question?
What will be an ideal response?
The nonpolar structure of steroid hormones allows these hormones to cross the membrane and bind
to intracellular receptors. The location of steroid hormone receptors prior to hormone binding is
cytoplasmic, but their primary site of action is in the nucleus. Binding ofthe hormone to the receptor
causes the complex to shift from the cytoplasm to the nucleus. In the nucleus the steroid receptor binds to
DNA turning on different genes will be turned on in different cell types.
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Which of the following is associated with nematodes?
a. partial digestive system b. specialized excretory system c. complete digestive system d. complete nervous system
Imagine an earthworm that has no chaetae. How would the lack of chaetae affect movement of the earthworm?
A. The earthworm would be much flatter than normal since it has no hydrostatic skeleton. B. The earthworm would only be able to extend its body segments. C. The earthworm would only be able to shorten its body segments. D. The earthworm would have difficulty changing locations, since it cannot anchor itself in the soil. E. The earthworm would not be able to move at all.
Saxitoxin is produced by __________.
A) fungi B) bacteria C) dinoflagellates D) helminths E) protozoa
In which growth phase do bacteria produce antibiotics and endospores?
A) lag phase B) death phase C) acculturation phase D) stationary phase E) log phase