Which of the following most accurately describes how sickle-cell disease impacts the body?
A. Because of the impacts on the immune system, individuals with sickle-cell actually have an increased immunity and are less likely to become sick.
B. Red blood cells clump up, blocking capillaries within the alveoli, resulting in acute chest syndrome, marked by pain, fever, and shortness of breath.
C. The lack of oxygen results in swollen capillaries in joints, causing joint pain.
D. Red blood cells clump up, blocking capillaries within the spleen, causing the spleen to shrink and lose function.
Answer: B
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Fibronectin interacts with each of the following except
A) fibrin. B) collagen. C) heparin. D) integrin. E) pectin.
What is the role of ATP synthase?
A. It uses ATP to make glucose. B. It uses a proton gradient to make ATP. C. It uses ATP to make a proton gradient. D. It synthesizes ATP directly from glucose.
An aligned pair of homologous chromosomes is called a
A) chromatid. B) spindle. C) tetrad. D) coenocyte. E) gamete.
Starch, glycogen, and cellulose are ________ that contain long chains of glucose molecules.
Fill in the blank(s) with the appropriate word(s).