Researchers Who Compared the Sequences of 200 Brain-Related Genes in Different

question 141

Multiple Choice

Researchers who compared the sequences of 200 brain-related genes in different animals found a collection of genes that evolved most rapidly in:

• A)birds.
• B)invertebrates.
• C)primates.
• D)worms.

---

Definitions:

Specialized Epithelium

Epithelial tissues that have specific functions and adaptations, such as those in the lining of the gut or the respiratory system.

Urinary Bladder

An organ that receives urine from the ureters and temporarily stores it.

Smooth Muscle

A type of muscle tissue that is not under conscious control and is found in the walls of hollow organs like the intestines and blood vessels.

Proximal Convoluted Tubule

The part of the renal tubule that extends from Bowman’s capsule to the loop of Henle. Compare with distal convoluted tubule.