In a genetics experiment, the offspring produced when parents are crossed are called _____.
A) the F1 generation
B) the F2 generation
C) the P2 generation
D) the heterozygotes
E) none of the choices is correct
Answer: A) the F1 generation
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Which of the following is true of a nanometer?
A) A nanometer is about the size of a common bacterial cell. B) A nanometer is one millionth of a meter. C) A nanometer is equivalent to 10 Angstroms (Å). D) The nanometer is the most common measurement used in measuring whole cells. E) none of the above
Upon finding a carcass, a raven will only call and attract other ravens to the food source if the ____
a. nearby ravens are relatives b. food source is large and plentiful c. food is found in a resident pair's territory d. food is found in his own territory e. food is being consumed by an animal of another species
Match the reactant in gluconeogenesis on the left with the appropriate enzyme on the right
A) fructose-1,6-bisphosphatase B) phosphoglyceromutase C) pyruvate kinase D) oxaloacetate kinase E) hexokinase F) glucose-6-phosphatase G) aldolase H) pyruvate carboxylase I) phosphoenolpyruvate carboxykinase 1) pyruvate 2) oxaloacetate 3) fructose-1,6-bisphosphate 4) glucose-6-phosphate 5) 2-phosphoglycerate
An atom that has an electrical charge is called a(n)
a. molecule. b. isotope. c. ion. d. proton. e. element.