Lactose intolerance is the inability to
A) produce milk proteins.
B) produce lactose.
C) digest cellulose.
D) digest lactose.
Answer: D
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Nondisjunction is when sister chromatids fail to separate during anaphase of cell division
A. true B. false
In order for a cell to crawl, it must produce a protrusion at the front of the cell (leading edge). One type of protrusion is a thin sheet called a(n) ________; another is a pointed structure called a(n) ________.
Fill in the blank(s) with the appropriate word(s).
Turbinates were found in therapsids, extinct reptiles thought to be ancestors of mammals. What could the researchers conclude from this observation?
A. Ectothermy arose before fur. B. Ectothermy arose after fur. C. Endothermy arose before fur. D. Endothermy arose after fur. E. Birds did not descend from reptiles.
During which cellular process is ATP released?
-Calvin cycle of photosynthesis -Krebs cycle of cellular respiration -glycolysis -a and b -b and c