Which characteristic distinguishes animals from plants and fungi?
1.Eukaryotic cells
2.Multicellular
3.Cells lack cell walls
4.Motile at some point in the life cycle
3
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A DNA microarray is ____
a. used for gel electrophoresis b. used identifying fragments of genes using a labeled probe c. linked to self-replicating vectors to create recombinant DNA molecules d. a series of long mRNA sequences placed on a solid support and has several uses e. a series of short nucleotide sequences placed on a solid support and has several uses
Mycorrhizae
A. are vital for the survival of lichens. B. are vital for the survival of many plants. C. increase the absorptive ability of roots. D. are used in the production of wine, beer, and bread. E. are vital for the survival of many plants AND increase the absorptive ability of roots.
A karyotype
a. compares one set of chromosomes to another. b. is a visual display of chromosomes arranged according to size. c. is a photograph of cells undergoing mitosis during anaphase. d. of a normal human cell shows 48 chromosomes. e. cannot be used to identify individual chromosomes beyond the fact that two chromosomes are homologues.
This process reproduces many varieties of fruit trees and other plants by making cuttings of the plant and rooting the cuttings.
A. cloning B. sexual reproduction C. meiosis D. somatic cell transfer