If You Wanted to Zoom in on an Area of Interest

question 61

Multiple Choice

If you wanted to zoom in on an area of interest in a PowerPoint slide display, you would use the Zoom slider pointed to by item ____ shown in the figure above.

• A) 2
• B) 3
• C) 4
• D) 5

Use principles of relative dating to identify the oldest and youngest features in a geologic setting.

Describe the process of landscape formation and evolution over time.

Identify key features and their relative ages at significant geological sites such as Siccar Point.

Understand the concept of half-lives and radiometric dating techniques.

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Definitions:

BRCA1 Gene

A gene that produces a protein playing a key role in repairing damaged DNA; mutations in BRCA1 can significantly increase the risk of breast and ovarian cancer.

Variant

An individual or group that exhibits differences in physical traits, behavior, or genetic composition from the typical or expected form.

Tumor-Suppressor Gene

A tumor-suppressor gene is a gene that suppresses cell growth and proliferation. Many tumor-suppressor genes are transcription factors activated by stress or DNA damage that arrest mitosis until DNA can be repaired. Mutations interfering with their expression can lead to excessive proliferation and cancer.

Oncogene

An oncogene is a normal gene whose function, when altered by mutation, has the potential to cause cancer.