Answer:
Gonadotropins are polypeptide hormones and are secreted by the anterior pituitary gland.
Explanation:
Hypothalamus releases GnRH i.e gonadotropin releasing hormone which stimulates the anterior pituitary to secrete gonadotrophs such as FSH, ICSH and LH.
FSH (follicle stimulating hormone): In males it stimulates spermatogenesis. In females it stimulates growth of ovarian follicles.
ICSH (Interstitial cell stimulating hormone): In males, secretion of testosterone.
LH (Luteinising hormone): In femalestogether with FSH, it triggers ovulation, stimulates conversion of broken ovarian follicle into corpus luteum.
Struggled with this earlier but because of the high altitude only some animals can live there and thrive because of the lower oxygen levels
Answer:
11) A. The optimum pH of an enzyme is 6.6
12) C. A control group
Objects with like charges repel/repulse each other while opposite charges attract each other
The direction of an electric fields is alway the direction electrons would naturally move.
Not sure about the last one, my gut instinct is opposite.
Answer: The answers are:
1. The atmosphere interacts with the hydrosphere to redistribute water over the surface of Earth.
2. The atmosphere interacts with several Earth spheres, including the lithosphere.
3. Wind from the atmosphere creates ocean waves and currents.
Explanation: Just did it and Vote me as brainliest :)