You Briefly Expose Bacteria Undergoing DNA Replication to Radioactively Labeled

question 50

Multiple Choice

You briefly expose bacteria undergoing DNA replication to radioactively labeled nucleotides.When you centrifuge the DNA isolated from the bacteria,the DNA separates into two classes.One class of labeled DNA includes very large molecules (thousands or even millions of nucleotides long) ,and the other includes short stretches of DNA (several hundred to a few thousand nucleotides in length) .These two classes of DNA probably represent

• A)leading strands and Okazaki fragments.
• B)lagging strands and Okazaki fragments.
• C)Okazaki fragments and RNA primers.
• D)leading strands and RNA primers.

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Definitions:

Sensory Neuron

A type of neuron that transmits signals from sensory receptors towards the central nervous system, allowing it to perceive stimuli.

Motor Neuron

A type of neuron responsible for conveying impulses from the brain or spinal cord to muscles or glands, causing them to contract or secrete, respectively.

Sensory Receptor

Specialized cells or nerve endings that respond to changes in the environment by generating electrical signals.

Neural Pathways

Networks of neurons connected by synapses, which transmit signals from one part of the body or brain to another.