What would happen if an embryo failed to secrete HCG?
A) The maternal elements of the placenta would fail to develop.
B) The fetal elements of the placenta would fail to develop.
C) Neural tube formation would not occur, and the embryo would not have a brain.
D) The embryo would be aborted.
D
You might also like to view...
Hexokinase is an enzyme that binds specifically to glucose and converts it into glucose 6-phosphate. The activity of hexokinase is suppressed by glucose 6-phosphate, which binds to hexokinase at a location that is distinct from the active site. This is an example of.
A. feedback inhibition. B. competitive inhibition. C. cofactor binding. D. allosteric activation.
What is the most primitive group of non-vascular plants?
a. Liverworts b. Hornworts c. Ferns d. Mosses
Discuss the advantages and disadvantages associated with asexual and sexual reproduction. What will be an ideal response?
Variola major and variola minor are the two principal forms of smallpox disease.
Answer the following statement true (T) or false (F)