The bicoid gene product is normally localized to the anterior end of the embryo. If large amounts of the product were injected into the posterior end as well, which of the following would occur?
A) The embryo would grow extra wings and legs.
B) The embryo would probably show no anterior development and die.
C) Anterior structures would form in both ends of the embryo.
D) The embryo would develop normally.
C
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Andrew is studying bone development and calcium absorption in elephants. Which vitamin is
likely an important component of his study?
a. vitamin D b. vitamin A c. vitamin K d. vitamin B
In an XY individual, a mutation in an X-linked gene called the androgen receptor results in androgen insensitivity and _____
1.Klinefelter syndrome 2.female phenotype 3.pseudohermaphroditism 4.Turner syndrome 5.X chromosome inactivation
If anaerobic pathways follow glycolysis,
a. CO2 will be one of the products as pyruvate is converted to lactate. b. the two NADH molecules produced during glycolysis will (depending on the organism) be used to reduce pyruvate to either lactate or ethanol and CO2. c. ATP will be required to convert pyruvate to either lactate or ethanol and CO2. d. oxidative phosphorylation occurs either on the plasma membrane or on derivatives of the plasma membrane. e. none of these will occur.
Energy stored in the bonds between atoms, such as Carbon and Hydrogen, is defined as __________
A. kinetic energy B. heat energy C. chemical energy, a type of potential energy D. chemical energy, a type of kinetic energy E. radioactive energy