Which of the following is a correct prediction about processing and secretion of Hedgehog protein ?

a) the freed N-terminal is not involved in signaling and is often degraded

b) the freed C-terminal is not involved in signaling and is often degraded

c) the N-terminal becomes the active Hedgehog protein intended for secretion

d) the C-terminal becomes the active Hedgehog protein intended for secretion

#Question id: 2652

#Unit 2. Cellular Organization

 Which of these acts as an inducer of the lac operon?

#Question id: 18995

#Unit 13. Methods in Biology

#Question id: 10927

#Unit 7. System Physiology – Animal

A 62-year-old female arrives for her annual physical. She complains of itching in her hands along with headaches and vertigo. A routine complete blood count (CBC) shows red blood cells (RBCs) of 8.2 million/μl, white blood cells (WBCs) 37,000/μl, and platelets 640,000/μl. Her erythropoietin levels are lower than normal. The primary diagnosis would be

#Question id: 9198

#Unit 9. Diversity of Life Forms

Tropical forests are being converted to farm or pasture land at an alarming rate, and one major focus is on the biodiversity and the impact to these ecosystems. What is a direct benefit to humans that helps explain why these forests need to be preserved?

#Question id: 11572

#Unit 7. System Physiology – Animal

When a person drinks alcohol, the rate of urination increases. Which of the following best accounts for the increase in urination above normal rates?