Which of the following explains the appearance of the trait for white flowers in the offspring that neither parent possesses?
A) mitosis
B) genetic recombination during meiosis
C) law of segregation
D) law of independent assortment
Answer: C) law of segregation
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The lac operon
A. is an example of negative control. B. is affected by catabolite repression. C. produces lactose. D. is an example of a regulon. E. is an example of negative control AND is affected by catabolite repression.
A model is used by ecologists to
A) prove how nature works by demonstrating cause-and-effect relationships. B) analyze data that have been collected during an experiment. C) make predictions about how nature works using a set of explicit assumptions. D) observe how nature works in an experimental setting.
The Archaea plasma membranes are made up of branched-chain hydrocarbons bounded to glycerol by:
a. hydrogen bonding. b. covalent bonding. c. polar bonding. d. ester linkages
e. ether linkagesA nucleotide is made of which of the following chemical components?
a. a nitrogenous base, an amino acid, and a pentose sugar b. a nitrogenous base, an amino acid, and a phosphate group c. a nitrogenous base, a phosphate group and a pentose sugar d. a nitrogenous base, a fatty acid, and an amino acid e. a series of nitrogenous bases, a nucleic acid backbone