Endoderm + mesoderm = which extra-embryonic membrane(s)?
A) chorion
B) amnion
C) allantois
D) yolk sac
E) both yolk sac and allantois
Answer: E
You might also like to view...
What is the function of interstitial cells of the myenteric plexus?
A. Production of mucus for lubrication and protection B. Pacemaker cells that promote rhythmic contractions of the smooth muscle C. Chemoreceptors that detect the chemical composition of food D. Release of enzymes for chemical digestion
The hyposecretion of luteinizing hormone (LH) or follicle-stimulating hormone (FSH) results in sterility
Indicate whether the statement is true or false
In the formation of NaCl, chloride receives an electron from sodium. This makes chloride a/an
-covalent bond -cation -anion -isotope
A type of arthritis that involves accumulations of uric acid crystals is calledÂ
A. osteoarthritis. B. gout. C. rheumatoid arthritis. D. osteoporosis.