Imaginal discs are:a
found in mammalian cells and control gene activation in mature somatic cells.
b. paired groups of undifferentiated cells that are precursors of adult structures in Drosophila.
c. found in plant cells and assist in the development of the flower.
d. part of the salivary gland of Drosophila.
e. found in Drosophila ovary cells and represent inactivated X chromosomes.
b
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During orgasm, which of the following stimulate
rhythmic contractions of muscles in both males and females? a. LH b. prostaglandins c. testosterone d. oxytocin e. all of these
Which of the following is produced via the process of cellular respiration?
a. oxygen. b. light. c. food molecules. d. sugars. e. carbon dioxide.
Which statement is true of hydrophilic molecules?
A.) they form few or no hydrogen bonds B.) they are generally uncharged C.) they are typically hydrocarbons D.) they mix well with water
Monoclonal antibodies are obtained from
A) human serum. B) animal serum. C) hybridomas. D) human B cells in culture. E) both human and animal serum