Which of the following is the type of bond holding K+ and I- ions together in KI?
A) ionic bond
B) covalent bond
C) hydrogen bond
A) ionic bond
Biology & Microbiology
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Lymphoid tissues are always highly organized cellular complexes.
Answer the following statement true (T) or false (F)
Biology & Microbiology
Homeostasis means that
A. cells have enough water. B. all organisms require an energy source. C. environmental conditions are held constant and do not change. D. a population changes over time. E. conditions inside a cell or organism remain within a constant range.
Biology & Microbiology
Which of the following syndromes has a karyotype with a missing X chromosome?
A. Jacobs syndrome B. Turner syndrome C. Williams syndrome D. Klinefelter syndrome E. Down syndrome
Biology & Microbiology
In chloroplasts, chlorophyll is contained in flattened sacs called
a) thylakoids. b) cristae. c) cisternae. d) vacuoles.
Biology & Microbiology