At which developmental stage should one be able to first distinguish a diploblastic embryo from a triploblastic embryo?
A) fertilization
B) cleavage
C) gastrulation
D) coelom formation
E) metamorphosis
Answer: C
You might also like to view...
Genomic libraries enable the discovery of individual gene(s) involved in a particular function of interest with cloning vectors in an expression host, such as Escherichia coli
Indicate whether the statement is true or false.
What are soil fungi with hyphae that grow into plant roots and branch inside the cell walls of plant root cells?
a. chytrids b. glomeromycetes c. zygote fungi d. sac fungi e. club fungi
ATP is composed of a sugar, the organic base adenine, and:
A. phenylalanine B. three nitrate groups C. two phosphate groups D. three phosphate groups
In what way are bacteriorhodopsin and chlorophyll similar?
a. They are both found in archaea. b. They both capture photons of light. c. They are both found in protists. d. They are both found in plants.