A mollusk radula is which of the following?
a. foot
b. feeding organ
c. ear
d. sensitive hair
e. balance organ
b
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In early experiments to understand the control of the cell cycle, researchers fused HeLa cells that were at different
stages of the cell cycle. What did the results of these experiments suggest?
a. The concentrations of cyclin dependent kinases (Cdks) fluctuate throughout the cell cycle. b. The concentrations of cyclins fluctuate throughout the cell cycle. c. The cell cycle has three checkpoints through which the cell must pass in order to progress through to mitosis. d. Microtubules play an essential role in the progression of the cell cycle. e. Molecules in the cytoplasm control the progression of the cell cycle.
This is the more technical term used by scientists to describe the carrier DNA molecule used when cloning genes.
A. plasmid B. vector C. plastic D. restriction fragment
Process by which vesicle formation brings macromolecules into the cell.
What will be an ideal response?
Transfer of DNA between bacterial cells by viruses is called (transformation/transduction/conjugation)
What will be an ideal response?