An ionic bond forms when
A. an electrical attraction occurs between two atoms of different charge.
B. a nonpolar attraction is formed between two atoms.
C. a valence electron is shared between two atoms.
D. two atoms have similar attraction for electrons.
Answer: A. an electrical attraction occurs between two atoms of different charge.
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Dense fibrous tissues that connect muscle to bone are
a. filamentous. b. cartilaginous. c. ligaments. d. tendons. e. all of these.
The normal human karyotype contains __________ chromosomes
a. 22 b. 23 c. 44 d. 46 e. 54
A mushroom is
A) composed of many threadlike filaments called mycorrhizae. B) specialized to obtain most of the nutrients for the fungal mycelium. C) an independent stage in the alternation of generations of the fungal life cycle. D) an aboveground reproductive structure connected to a mycelium.
Gametophyte generations produce ________.
Fill in the blank(s) with the appropriate word(s).