Which of the following represents the correct order of evolution of requirements for complex multicellularity in animals?
A. adhesion, cell signaling, gap junctions,
bulk transport
B. adhesion, gap junctions, cell signaling,
bulk transport
C. gap junctions, cell signaling, adhesion,
bulk transport
D. bulk transport, adhesion, gap junctions,
cell signaling
A
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Membrane lipids can be separated by ________, based on their ________
Fill in the blank with correct word.
In a cross between a true-breeding plant bearing the dominant traits of smooth, yellow seeds and a true-breeding plant
bearing the recessive traits of wrinkled, green seeds, the offspring (F1) are all smooth and yellow and their genotype is ____. a. SSYY b. ssyy c. SsYy d. ssYY e. SSyy
Which of the following enzymes joins DNA strands, joins Okazaki fragments, and mends gaps in the DNA backbone during excision repair?
A. RNA polymerase B. DNA polymerase C. DNA ligase D. DNA gyrase
What plants have been significantly altered by humans through artificial selection?
A. maize B. rice C. wheat D. acorns E. Virginia creeper