Communication between animal cells is facilitated by
A) tight junctions.
B) gap junctions.
C) adhesive junctions.
D) plasmodesmata.
E) both choices B and C
B) gap junctions.
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During a one-year study, researchers found no difference in treehopper populations in any of their control and experimental groups
What could they measure during the second year to gain information about why this might have occurred? A) Measure the number of ant females. B) Measure the relative sizes of the treehoppers. C) Measure the relative abundance of jumping spiders. D) Measure the relative sizes of different ant species.
A single nucleotide polymorphism (SNP) and a point mutation are the same thing
A. true B. false
A woman who is heterozygous for the hemophilia allele has a 100% chance of having an affected son
Indicate whether the statement is true or false
Some of these blood proteins are antibodies
A) fibrins B) globulins C) glucoses D) albumins