Maria is a sedentary, 68-year-old woman who is overweight. She complains that her hands and feet are always cold and she tires q
uickly when cleaning the house. Maria comes in for a visit. When she comes in for a visit, her blood pressure is one-eighty-four over ninety-eight. She has edema around her ankles and legs. You are concerned about an echocardiogram that indicates Maria has an enlarged heart. Student Name: 1.Identify two reasons why Maria will have tissue ischemia. How might this to hypoxia?
The nitrogenous bases of the two separate polynucleotide strands are bound together, according to base pairing rules (A with T and C with G), with hydrogen bonds to make double-stranded DNA.
If the membrane of a cell were no longer selectively permeable then "<span>The cell would die as it would not be able to regulate which substances could enter and leave", since a selectively permeable membrane allows both things to enter and leave for the cell's survival. </span>