A primitive groove is the equivalent of a:
a. neural crest.
b. branchial groove.
c. blastodisc.
d. blastopore.
e. neural groove.
D
Biology & Microbiology
You might also like to view...
Discuss how the world might be different without bacteria
What will be an ideal response?
Biology & Microbiology
Adenine and guanine are nitrogen-containing bases found in nucleic acids
a. True b. False
Biology & Microbiology
In mammals, the ____ is a temporary center for the formation of blood cells
a. amnion b. allantois c. yolk sac d. chorion e. archenteron
Biology & Microbiology
Antibiotics inhibit protein synthesis
A) by disrupting cell membrane fraction B) by binding to 80S ribosomal subunits C) by interfering with the accurate reading of the mRNA message D) by binding to a 60S ribosomal subunit
Biology & Microbiology