What property describes the plasma membrane's ability to regulate movement of molecules into and out of the cell?
a. polarity
b. integrity
c. permeability
d. solubility
c
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Among the following lineages, which has the largest number of Hox genes when all Hox gene clusters
are taken into account?
a. cnidarians b. cephalochordates c. vertebrates d. arthropods e. eurochordates
Match the gene on the left with the gene category on the right. Note choices on the right may be used more than once or not at all
A) proto-oncogene B) low expression in invasive cells C) tumor suppressor gene D) oncogene 1) BRCA1 2) E-cadherin 3) p53 4) ERBB2 5) Cdk4 6) c-myc 7) KRAS 8) RB 9) v-src
All human DNA is nearly identical. Only about ____ of the DNA sequences of two people will differ. Even so, this difference still translates to roughly ______ base-pair differences.
A) 1 percent; 3 million B) 0.1 percent; 3 million C) 1 percent; 10 million D) 0.1 percent; 100 E) 0.1 percent; 1 million
Based on the number of species, the most successful extant phylum of plants is the
A. Coniferophyta. B. Hepaticophyta. C. Charophyta. D. Pterophyta. E. Gnetophyta. F. Anthophyta.