The ____ belongs to the same protostome clade as mollusks and annelids.
A. Cnidaria
B. Platyhelminthes
C. Crustacea
D. Arthropoda
E. Nematoda
Answer: B
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What is the purpose of mitosis in living organisms?
What will be an ideal response?
In their experiments to determine the transforming principle, Avery, MacLeod, and McCarty used
enzymes that break down ____.
a. protein, DNA, and RNA b. protein and RNA c. DNA d. protein, lipids, and RNA e. lipids and DNA
In mammalian females, which of the following is NOT essential for reproduction?
a. ovary b. oviduct c. uterus d. vagina e. urethra
Simple diffusion of molecules occurs ________.
a. from an area of lesser concentration to an area of greater concentration b. in non-living systems as well as living systems c. across plasma membranes only through transport proteins