Use the Following Information to Answer the Questions Below

question 40

Multiple Choice

Use the following information to answer the questions below.
You have isolated a gene sequence from the mustard plant Arabidopsis and have BLAST searched the NCBI database. Your sequence hit several EST sequences that were identified as transcription factors. These sequences were found in E.coli, Chlamydomonas (a green algae) , yeast, mice, and humans and only had a few base pair differences.
-What can be said about this sequence?

• A)It appears to be highly conserved.
• B)It has had many duplication events.
• C)It is an ancient gene.
• D)This sequence has been transposed to other species.
• E)It must be junk DNA.

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Definitions:

External Urethral Sphincter

A muscle that controls the flow of urine from the bladder through the urethra.

Incompetence

The inability of a structure, such as a valve within the body, to perform its function properly, often leading to the leakage or backflow of blood.

Lower Back

The lumbar region of the spine that supports much of the body's weight and is often a common area for pain.

Gastrocnemius

A significant muscle in the calf that plays a crucial role in the activities of walking, running, and jumping, aiding in the motion of both the ankle and the knee.