Questions And Answers Verified 100% Correct
_________, including Natural killer cells, granulocytes and macrophages are the second
line of defense in the immune system (after skin, mucus membranes and gut flora) -
ANSWER Phagocytes
nonspecific immunity - ANSWER phagocytosis and inflammation (2nd line of defense)
Learned specific immunity - ANSWER 3rd line of defense which includes antibodies
and lymphocytes
2 types of lymphocytes - ANSWER T cells and B cells
important tumor suppressor gene, sometimes called the "suicide gene." - ANSWER
p53 gene
name the 4 phases of the cell cycle - ANSWER G1 Phase
S Phase
G2 Phase
M Phase
name the 4 stages of mitosis - ANSWER Prophase
Metaphase
Anaphase
Telophase
Which is the longest phase of the cell cycle, lasting about 10 hours - ANSWER S
Phase
What is the shortest phase of the cell cycle - ANSWER M Phase (Mitosis)
these cells have receptors that determine if cells of cells they encounter are self or non-
self. Their role is to destroy non-self cells - ANSWER Natural Killer Cells
Mitosis phase in which Nuclear envelope has disappeared, and chromosomes move
toward the cell equator. Sister chromatids have not separated. The metaphase
checkpoint ensures that the chromosomes are aligned properly before separation. -
ANSWER Metaphase