ulcer's occur in large intestine and rectum
What will be an ideal response?
ulcerative colitis
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The most common form of hemophilia is a defect in blood clotting factor VIII, which is caused by a recessive form of a gene carried on the X chromosome. A girl is born with hemophilia. Both parents have normal phenotype
Which of the following might explain this girl's hemophilia? A. A nondisjunction event in sperm production resulted in her receiving X and Y chromosomes from her father, and an X from her mother; she is XXY. B. Nondisjunction during egg formation resulted in her receiving no X chromosome from her mother, but an X from her father; she is XO. C. Nondisjunction during sperm formation resulted in her receiving no sex chromosome from her father and an X chromosome from her mother; she is XO. D. Nondisjunction during egg formation resulted in her receiving two X chromosomes from her mother and an X chromosome from her father; she is XXX. E. She inherited an X chromosome from her father and the X carrying the defective allele from her mother.
Suppose a living plant cell has ? = ?S = ?0.5 MPa. If the plant cell is placed into a beaker filled with a
solution with ? = 0, then the cell should
a. take up water until it bursts. b. lose water until its ? = ? of the solution. c. take up water until within the cell ?P = ??S. d. take up water until its ?S = ?S of the solution. e. lose water until its ?S = its ?P.
If the cell was a cube and you doubled the height, width, and length of the cell, how much would the volume increase?
A. 9-fold B. It would stay the same. C. 8-fold D. 4-fold E. 2-fold
Which organisms use negative pressure to move air into the lungs?
A. humans B. ducks C. mice D. iguanas E. All of these use negative pressure to move air into their lungs.