A decrease in cell adhesion by the introduction of cytochalasin to a tissue compromises the structural integrity of the tissue. Which junctional complexes would be affected by this treatment to cause the decrease in the strength of the tissue?
A. adherens junctions
B. desmosomes
C. hemidesmosomes
D. tight junctions
A
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Neurotransmitters are molecules released by ____
a. gonads b. polar hormones c. peptide hormones d. cells in the blood e. neurons
Which of the following would be most threatened by habitat fragmentation?
A) songbirds B) lizards C) mountain lions D) antelopes
You analyze 300 offspring and see the following:30 recombinants between gene A and B 120 recombinants between genes B and C 90 recombinants between genes A and C Which of the following is the correct order of genes A, B, and C?
A. Gene order can be ABC, BAC, or BCA. B. Gene order is BAC C. Gene order is ABC D. Gene order is ABC or BAC E. Gene order is BCA
In World War I, mustard gas was used as a chemical weapon, and at a high dose, it would cause death. However, it is now known to be a chemical mutagen. Explain how those who came in contact with mustard gas and survived have an increase chance of
developing mutations. What will be an ideal response?