Answer to Question 1
Cytotoxic T cells attack and destroy body cells infected with viruses or intracellular bacteria. They can also attach cancer cells. Delayed hypersensitivity cells respond to foreign antigens processed by macrophages or similar cells by accumulating at the site of the antigenic material, where they secrete a variety of lymphokines that attract macrophages, activate them, and stimulate them to secrete additional cytokines.
Answer to Question 2
Hyperplasia: increase in cell size with an increase in cell number
Hypertrophy: increase in cell size without an increase in cell number
Types of neurons.
Epiphyseal Usually occurs through the growth plate where the matrix is undergoing calcification and
Crossing over during meiosis leads to allele combinations in sex cells that are not present in the p
Types of Synapses
Speciation produces new types of organisms
1.6 Organisms are made up of cells, each of which contains an identical set of genes.