In mammals, the brain region that has become especially important as a "relay center" for information passing from sensory structures to the cerebrum is the

A. pons.
B. cerebellum.
C. hypothalamus.
D. thalamus.
E. hippocampus.


D. thalamus.

Biology & Microbiology

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If you remove the peptidoglycan layer from a Gram-positive cell, it would still stain purple with a Gram stain.

Answer the following statement true (T) or false (F)

Biology & Microbiology

What temperature intertidal zone can be characterized as commonly having barnacles, rockweed, and mussels?

a. Supralittoral fringe b. Infralittoral fringe c. Subtidal zone d. Midlittoral zone

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Before mRNA can be used in translation (the making of a new protein), nonfunctional segments of the gene that have been transcribed into the strand of pre-mRNA have to be "edited" out. The nonfunctional parts of the gene are cut out (and the functional parts spliced together) by a special type of enzyme. What are these enzymes called?

a) introns b) exons c) genomes d) snRNPs ("snurps") e) polyribosomes

Biology & Microbiology

Affluenza is defined as __________

A. a condition by which material goods fail to bring contentment B. rising rates of global consumption C. increased production of waste and pollution D. long-term economic disorder E. a viral infection that causes flu-like symptoms

Biology & Microbiology