Which of the following are NOT cnidaria?
a) hydrozoa
b) corals
c) planaria
d) Portuguese man-of-war
e) sea anemones
Ans: c) planaria
Biology & Microbiology
You might also like to view...
In the treatment of ADA deficiency and SCID, which cell type was targeted for gene therapy?
A. Fibroblasts B. Embryonic stem cells C. Hematopoietic stem cells D. Lymphocytes E. Neutrophils
Biology & Microbiology
In a muscle contraction, which of the elements
are pulled together and overlap?
a. actin b. myosin c. ATP d. ADP e. the thick filaments
Biology & Microbiology
Which organ is responsible for the cleanup of destroyed red blood cells?
a. spleen b. kidney c. bone marrow d. heart e. lungs
Biology & Microbiology
Which one of the following organisms has a cell wall?
A) protoplasts B) fungi C) L forms D) mycoplasmas E) animal cells
Biology & Microbiology