Which organelle has enzymes that break down
fatty acids, amino acids, and toxins?
a. lysosomes
b. peroxisomes
c. Golgi bodies
d. vacuoles
e. rough ER
B
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Cyanide poisons mitochondria by blocking the final step in the electron transport chain. Human red blood cells placed in an isotonic solution containing cyanide are likely to _____
A) retain the normal cell shape, but the mitochondria will be poisoned B) lyse as the cyanide concentration increases inside the cell C) switch to anaerobic metabolism D) become unable to carry oxygen E) be unaffected
True or False: To allow passage of the infant during child birth, the cervix widens and lengthens
A. true B. false
Some cells within a female will have a condensed paternal X chromosome and some cells within the same individual will have a condensed maternal X chromosome. Explain how this occurs
What will be an ideal response?
In mammals, oxytocin is released during _____.
A. sexual intercourse only B. lactation only C. labor only D. sexual intercourse, lactation, and labor E. sexual intercourse and labor