Removal of introns, addition of a poly-A tail, and addition of a 5' cap are all events that occur during ____.

A) protein folding
B) transcription
C) replication
D) post-transcriptional modification
E) translation

An extended phenotype

A) is a structure constructed by an organism.
B) has no noticeable effect on the organism.
C) is not a part of the organism.
D) a and b
E) a and c

Which muscle everts and plantar flexes the foot?

A) Tibialis anterior
B) Soleus
C) Extensor digitorum longus
D) Extensor hallicus longus
E) Fibularis brevis

When comparing veins and arteries of the same diameter, which of the following statements is not true?

A) Veins have thinner walls.
B) Veins have valves.
C) Veins have fewer smooth muscle fibers.
D) Veins have a larger lumen.
E) Veins have more elastic tissue.

The proteins myosin and ribose play a key role in the contraction of muscle fibers.

The hepatopancreatic ampulla is formed by the union of the

A) pancreatic duct with the lacteals.
B) greater duodenal papilla with the lesser duodenal papilla.
C) common bile duct and pancreatic duct.
D) cystic duct and interlobular duct.
E) hepatic ducts and cystic ducts.

Intervertebral discs exhibit a great deal of strength because of the presence of thick bundles of ________.

A) elastin
B) proteoglycan
C) collagen
D) hydroxyapatite
E) calcium

Body membranes are composed of ________ tissues.

A) connective and nervous
B) epithelium and muscle
C) connective and muscle
D) epithelium and connective