Sponges are believed to have arisen from the choanoflagellates because they possess:a
amebocytes.
b. collar cells.
c. spongin.
d. spicules.
e. oscula.
b
Biology & Microbiology
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Staphylococcus aureus is a common cause of food poisoning in the United States.
Answer the following statement true (T) or false (F)
Biology & Microbiology
The simplest of the eukaryotes are the:
a. protistans b. plants c. fungi d. animals e. Archaea
Biology & Microbiology
Viruses that attack bacteria are called:a
phages. b. bacteriods c. prions. d. virons. e. viroids
Biology & Microbiology
True or False: sRNAs can only regulate expression by binding mRNA
a. TRUE b. FALSE
Biology & Microbiology