felicitated diffusion
What will be an ideal response?
With assistance of a carrier protein, molecules move from regions of high concentration to lower concentration.
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You are a doctor examining a patient's blood test results. The test results include the concentration of T cells. These cells:
A. mature in the thymus. B. secrete antibodies. C. secrete antigens. D. are active only against bacteria. E. participate in cell-mediated immunity.
Distances between linked genes in centimorgans (cM) can be converted directly to the physical distances between them on the chromosome
a. True b. False Indicate whether the statement is true or false
What do you know about pH?
What will be an ideal response?
Heterozygotes for the sickle cell trait have an adaptive advantage in areas where malaria is prevalent. This is an
example of ____.
a. a fixed allele b. genetic drift c. a balanced polymorphism d. sexual selection e. disruptive selection