The gray crescent region of the amphibian zygote is thought to contain
A) growth factors and developmental determinants.
B) hormones and ribosomes.
C) yolk and dark pigment granules.
D) mitochondria and ribosomes.
E) neurotransmitters and hormones.
Correct Answer:
Verified
Q29: Figure 51-4 Q30: The first system to develop in the Q31: A primitive groove is the equivalent of Q32: Embryonic mesoderm forms the Q33: The term "archenteron" refers to the developing Q35: If the ectoderm is destroyed, which organ Q36: Figure 51-4 Q37: Embryonic mesoderm gives rise to Q38: Which statements about the notochord is FALSE? Q39: Figure 51-4 Unlock this Answer For Free Now! View this answer and more for free by performing one of the following actions Scan the QR code to install the App and get 2 free unlocks Unlock quizzes for free by uploading documents
A) epidermis.
B) digestive tract
A)
A) muscle.
B) the
A)
