Fern sperm are ________, which is why ferns are dependent on water for reproduction
A) amoeboid
B) ciliated
C) flagellated
D) None of these
C
Biology & Microbiology
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Tree rings are formed by growth in the ________
a. epidermis b. vascular cambium c. periderm d. cortex
Biology & Microbiology
A(n) _____ is a chemical partnership between a weak acid or base and its salt
a. covalent bond c. buffer b. hydrogen bond d. pH
Biology & Microbiology
The normal flora that inhabit our body surfaces ____
a. are harmful b. competitively exclude more harmful species c. produce vitamin C d. become even more beneficial if they invade tissues e. participate in phagocytosis of pathogens
Biology & Microbiology
Which of the following is not found in a eukaryotic promoter?
A) -10 box B) TATA box C) GC box D) CAAT box E) None of these
Biology & Microbiology