The pointer is indicating the virus's _____. (Activity 18A)

Viral DNA makes mRNA by the process of _____. (Activity 18A)

The lytic cycle of bacteriophage infection ends with the _____. (Activity 18B)

The pointer is indicating the _____. (Activity 18B)

As a result of the lytic cycle, _____. (Activity 18B)

Click on the diagram to start the animation. The arrow is indicating _____. (Activity 18C)

Click on the diagram to start the animation. This animation is illustrating an early stage of _____. (Activity 18C)

In the lysogenic cycle _____. (Activity 18C)

Click on the diagram to start the animation. Which of these is the best description of this animation? (Activity 18C)

Cycle A is the _____ cycle and cycle B is the _____ cycle. (Activity 18C)

The genetic material of HIV consists of _____. (Activity 18D)

Which of these binds to receptor molecules on the host cell membrane? (Activity 18D)

What is the function of reverse transcriptase? (Activity 18D)

What is the source of a viral envelope? (Activity 18D)

Which of these is reverse transcriptase? (Activity 18D)

Which of these is the viral genome? (Activity 18D)

Click on the diagram to start the animation. What enzyme is responsible for the process seen here? (Activity 18D)

Double-stranded viral DNA is incorporated into a host cell as a _____. (Activity 18D)

The operon model of the regulation of gene expression in bacteria was proposed by _____. (Activity 18E)

Which of these is NOT a component of the lac operon? (Activity 18E)

Regulatory proteins bind to _____. (Activity 18E)

In the presence of a regulatory protein the lac operon is _____. (Activity 18E)

Click on the diagram to start the animation. In this animation the blue sphere represents _____. (Activity 18E)

Click on the diagram to start the animation. In this animation the orange object represents _____. (Activity 18E)

Which of these is a regulatory gene? (Activity 18E)