Which of the following is not a reason cells divide?
A.) The cell gets too big to process and transport nutrients
B.) New cells are needed for growth
C.) DNA cannot be copied quickly enough in large cells
D.) Surface area-to-volume ratio becomes too large
Ans: C.) DNA cannot be copied quickly enough in large cells
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Light-dependent reactions generate
A. ATP and NADPH. B. NADP+. C. CO2. D. light. E. glucose.
Which of the following is not a part of the extracellular matrix of an animal cell?
A. collagen B. lignin C. elastin D. laminin
Your family is taking a long driving vacation across the midwestern and western United States. As you travel, you notice that the flowers, birds, and trees of the Midwest and the Rocky Mountains are very different. As you ponder why, you remember that such differences in the distribution of species are part of the field of ______.
a. biogeography b. geology c. morphology d. paleontology
Which of the following is the BEST definition of a homologous chromosome?
a) a chromosome that has undergone crossing over b) one of two identical chromosomes held together by a centromere c) the central area that joins two chromatids d) the type of chromosome found in prokaryotes e) one of two chromosomes of the same length and type inherited from a father or mother