Control systems in the cell can induce cell suicide, or apoptosis, in cells with excessive DNA damage
a. True
b. False
True
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In birds and butterflies ____ for sex chromosome inheritance
a. males are XY and females are XX b. males are ZZ and females are ZW c. males are ZY and females are XW d. males are XX and females are XY e. males are ZW and females are ZZ
A tendon is an extension of ___ tissue
a. dense connective b. loose connective c. bony d. epithelial e. muscle
Futuyma and colleagues (1995 ) used the herbivorous leaf beetles of the genus Ophraella to study constraints in genetic diversity
Ophraella beetles feed and lay eggs on only certain members of the sunflower family because the beetles are unable to ________. A) penetrate the epidermal layer to lay eggs on nonhost plants B) detect and detoxify chemical defenses produced by nonhost plants C) digest the leaves of nonhost plants D) break down the chemical defenses produced by nonhost plants in response to predation by the beetles
How many chromosomes would be found in the karyotype of a Down syndrome female?
A) 44 B) 45 C) 46 D) 47