What second messenger is directly involved in activating protein kinase C (PKC)?
A. DAG
B. cGMP
C. G protein
D. cAMP
E. phospholipase C
Answer: A
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From the figure above, what can we determine about the location of the food source?
A) The waggle dance in the top figure indicates that the food is directly under the hive. B) The waggle dance in the bottom figure indicates that the food is to the west of the hive. C) The waggle dance in the top figure indicates that the food is close to the hive. D) The waggle dance in the bottom figure indicates that the food is 90 degrees to the right of the Sun. E) The vigor of the waggle dance indicates the location of the food relative to the Sun.
In nerve cells, the centrosome is located near the nucleus. Vesicles move from near the nucleus to the end of the axon along microtubules
Based on these two facts it is possible to conclude that these vesicles are moving in the ______ direction on the microtubule using the motor protein _________. A. minus end; dynein B. plus end; kinesin C. minus end; kinesin D. plus end; dynein
Which of the following is not true with regard to the law of segregation?
a. Genes segregate during gamete formation. b. Each gamete contains two genes for each trait. c. Each individual has two factors for each trait. d. During fertilization, each new individual obtains two genes for each trait. e. Gametes contain only one gene from each pair.
Consider a redox reaction between molecules A and B. Molecule A has a redox potential of –100 mV and molecule B has a redox potential of +100 mV
For the transfer of electrons from A to B, is the ?G° positive or negative or zero? Under what conditions will the reverse reaction, transfer of electrons from B to A, occur?