Which of the following is not a modified stem?
A. rhizome
B. tendril
C. tuber
D. corm
E. spine
E. spine
Biology & Microbiology
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Ovulation is the follicular response to a burst of secretion of _____
A) luteinizing hormone (LH) B) progesterone C) inhibin D) prolactin E) estradiol
Biology & Microbiology
Synaptic signaling involves
a. autocrine signals b. paracrine signals c. neurotransmitters d. endocrine signals
Biology & Microbiology
Sodium chloride (NaCl) crystals (table salt) form as a result of:
A) hydrogen bonding. B) being chemically stable. C) covalent bonding. D) the attraction of oppositely charged particles for each other.
Biology & Microbiology
In humans, helminths generally infect the ________.
A. nervous system
B. urinary tract
C. gastrointestinal tract
D. skin
E. muscular system
Biology & Microbiology