Which of the following cellular junctions is involved in creating a barrier between cells?
A. desmosome
B. tight junction
C. adherens junction
D. gap junction
B
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At an aviary exhibit, you notice a species of owl in which some individuals have brown feathers and others have grey feathers. The different feather coloration of the owl species is an example of_____________.
A. Synamorphy B. Polymorphism C. Homoplasy D. Convergent Evolution
A population of plants comes in two flower colors: blue and white. Crossing two blue-flowered plants produces mostly blue-flowering offspring and some white-flowering offspring
Crossing two white-flowered plants produces only white-flowering offspring. This indicates that the white-flowering plants are A) homozygous dominant for the flower color allele. B) homozygous recessive for the flower color allele. C) mutating. D) heterozygous for the flower color allele. E) in equilibrium.
Two replicated chromosomes are joined together at a region on the chromosome called the ________
Fill in the blank(s) with correct word
Proteins used to digest DNA at specific sequence regions are:
a) Protein Kinases b) Phospholipases c) Restriction Enzymes d) RNA Replicases