Bacterial Chromosomes

question 19

Multiple Choice

Bacterial chromosomes:

• A)must be present for a bacteria to stay alive and reproduce
• B)are small segments of DNA that have the ability to move from one position to another
• C)contain genetic information that is helpful but not necessary for survival
• D)are always circular and only one is present in each bacteria

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Definitions:

PET Scan

Stands for Positron Emission Tomography, a diagnostic imaging test that helps reveal how tissues and organs are functioning by using a radioactive tracer.

Working Memory

A system for temporarily storing and managing the information required to carry out complex cognitive tasks such as learning, reasoning, and comprehension.

Spatial Memory

The part of memory responsible for recording information about one's environment and spatial orientation, helping to navigate physical space.

Masking

A technique used in psychology research to inhibit or disrupt the processing of a visual stimulus by presenting another stimulus immediately following the first.