Apoptosis is Greek for "dropping off" and refers to the programmed cell death of cells that attach the petiole to the stem. When these cells die in the fall, the leaves drop. Cells in which part of the plant undergo apoptosis?
A. intercalary meristem
B. node
C. lateral meristem
D. leaf
E. apical meristem
B. node
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The type of receptor that consists only of a naked nerve fiber ending is called a
A. Pacinian corpuscle. B. cone. C. nociceptor. D. Meissner's corpuscle. E. cochlear hair cell.
In this diagram of the life cycle of a fern, which structure, A, B, C, or D, must swim through free water?
1.A
2.B
3.C
4.D
Fatty acid methyl ester (FAME) analysis is particularly important in public health because in this application, microbiologists seek to identify specific microbial pathogens in _________.
A. patient samples B. genetic diseases C. genomic analysis D. food and water
A virus consists of a DNA or RNA core surrounded by a(n) envelope
____________________ Indicate whether the statement is true or false.