Crossing over is one of the most important events in meiosis because
A) homologous chromatids must be separated into different daughter cells.
B) homologous chromosomes must be separated into different daughter cells.
C) the number of chromosomes allotted to each daughter cell must be halved.
D) it produces new arrays of alleles on chromosomes.
E) All of the choices are correct.
E
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The sexual phase of Plasmodium is called a:
A. sporozoite B. gametocyte C. merozoite D. plasmacyte E. anthracite
Where does the Calvin cycle occur?
A. thylakoid lumen B. thylakoid membrane C. chloroplast outer membrane D. chloroplast stroma E. chloroplast inner membrane
Farmers and horticulturalists have bred broccoli, cauliflower, kale, and cabbage from the wild mustard plant through
A. genetic drift. B. evolution. C. natural selection. D. sexual selection. E. artificial selection
A patient complains of fever, pain on one side of the body, and fatigue. The clinician notes the patient's blood pressure is elevated. The patient reports experiencing some painful urination for a few days during the previous week. Tests on a urine
sample reveal the presence of motile Gram-negative bacilli. What is the patient most likely suffering from? What will be an ideal response?