Which of the following best compares meiosis and mitosis?
a. Meiosis produces daughter nuclei that have the same number of chromosomes as the original cell, while mitosis produces daughter nuclei with a different number of chromosomes as the original cell.
b. Meiosis produces daughter nuclei that have half the number of chromosomes as the original cell, while mitosis produces daughter nuclei with the same number of chromosomes as the original cell.
c. Meiosis produces daughter nuclei that have the same number of chromosomes as the original cell, while mitosis produces daughter nuclei with half the number of chromosomes as the original cell.
d. Meiosis and mitosis both produce daughter nuclei with a different number of chromosomes t
Answer: b. Meiosis produces daughter nuclei that have half the number of chromosomes as the original cell, while mitosis produces daughter nuclei with the same number of chromosomes as the original cell.
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________ is the direct transfer of a phosphate to ADP, forming ATP.
Fill in the blank(s) with the appropriate word(s).
One reason that diseases caused by dominant alleles remain in populations is that
A) they do not run in families. B) they often do not produce symptoms until a person has already had children. C) they affect more females than males. D) they are more curable than recessive diseases.
Which of the following is NOT unique to eukaryotes?
a. snRNPs b. sorting signals on proteins c. capping the 5' end of mRNA d. adding a poly(A) tail to mRNA e. RNA polymerase II
Random dispersion of individuals in a
population occurs when habitat conditions are ____, resource availability is ____, and individuals or pairs of individuals ____ one another. a. random; scarce; either attract or avoid b. clumped; fairly steady; neither attract nor avoid c. nearly uniform; random; neither attract nor avoid d. nearly uniform; fairly steady; neither attract nor avoid e. clumped; scarce; either attract or avoid