The first system to develop in the vertebrate embryo is the:a
circulatory system.
b. digestive system.
c. excretory system.
d. reproductive system.
e. nervous system.
E
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Using polyethylene glycol (PEG), early G1 phase cells were fused with S phase cells. Of the following events, which would you expect to be induced in the G1 cells as a result of the fusion?
A) cytokinesis B) condensation of chromosomes C) DNA replication D) mitosis E) spindle fiber formation
Select the only technique that is associated with functional genomics rather than traditional genomics.
A. Dideoxy sequencing. B. Physical mapping. C. DNA microarray. D. Assembling a contig.
Recall Stiling and Drake's experiments using chambers with elevated CO2. What are the implications of their experiment for farmers in the coming decades, if CO2 levels rise as predicted?
A. Farmers will see lower crop productivity and nutrition, in addition to more insect damage. B. Farmers will see higher crop productivity and less insect damage, but the crops will be less nutritious. C. Farmers will see higher crop productivity, but there will be more insect damage and the crops will be less nutritious. D. Farmers will see higher crop productivity and nutrition, but there will be more insect damage.
The PCR technique requires a DNA polymerase from an organism that can endure high heat, such as Thermus aquaticus. What step of the protocol makes the heat-stability most necessary?
A. Synthesis B. Denaturation C. Primer annealing D. Antibody binding