The enzyme that generates RNA from a DNA template is:

Given the mRNA below, use the included chart to the right to identify the peptide (short protein) it would produce.

In connective tissue, what is the unbranched, triple helical fiber that gives strength to tendons and ligaments? It is also a big part of why barbecue tastes so good.

What is the first organ system to reach functional state?

In which week will the atrioventricular valve cusps form?

The distal left ____ arch forms the ductus arteriosus. 

In the 4th week, the _____________ is positioned at the top of the primitive atrium.

Click the area of the sinus venosus. 

Actin filaments, which are essential in muscle contraction, are an example of what type of cytoskeletal filament?

The ___________ forms the right ventricle.