Reproductive messengers Flashcards
What are reproductive messengers?
Chemical signals that facilitate communication in reproductive processes.
Fill in the blank: The primary male reproductive hormone is __________.
Testosterone
What is the role of estrogen in female reproduction?
Regulates the menstrual cycle and is involved in the development of female secondary sexual characteristics.
Which gland produces luteinizing hormone (LH)?
The pituitary gland
Multiple Choice: Which hormone is primarily responsible for ovulation?
Luteinizing hormone (LH)
What is the function of follicle-stimulating hormone (FSH)?
Stimulates the growth of ovarian follicles in females and spermatogenesis in males.
Multiple Choice: What is a common effect of high levels of estrogen?
Increased risk of blood clots
Multiple Choice: Which hormone primarily regulates the menstrual cycle?
Estrogen
What are gonadotropins?
Hormones that stimulate the gonads (ovaries and testes).
Multiple Choice: Which hormone is involved in the development of male secondary sexual characteristics?
Testosterone
Fill in the blank: The __________ cycle involves changes in the endometrium in response to hormonal signals.
Menstrual
What is the main function of oxytocin in reproduction?
Stimulates uterine contractions during labor and milk ejection during breastfeeding.
Target cells are
Affected by certain hormones due to compatible receptors
Hydrophilic hormone is what
Amino acid (protein) based hormone
What’s the relationship between genes and proteins in amino acid based hormones?
One gene-one protein
Where do Hydrophilic hormone bind to?
receptor protein on the plasma membrane
How do Hydrophilic hormone affect cell?
activating signal transduction
pathways
Can Hydrophilic hormone cross the membrane?
No
What type of hormone is is a steroid?
Hydrophobic
How do steroid hormone cross the plasma membrane?
Cross the lipid bilaye of plasma membrane?
What does the receptor of a steroid hormone bind to?
DNA
What are the two main types of hormones?
Hydrolephic & Hydrophobic
