Indicate TRUE or FALSE for each of the following statements regarding the protists andor metazoans.[A] Protists lack membrane-bound organelles.[B] Metazoans are multicellular while protists are predominantly unicellular.[C] All metazoans and protists are eukaryotic.

When visualized using the electron microscope the appearance of ‘rough’ endoplasmic reticulum results from the presence of which protein complexes?

The activity of each enzyme below is important for regulating smooth muscle cell activity in the circulatory system. For each enzyme, indicate if the specified mutation will lead to vasodilatation or vasoconstriction.Enzyme (mutation)A. Guanyl cyclase (cannot bind GTP): [A]B. Phosphodiesterase (cannot bind cGMP): [B]C. Nitric oxide synthase (cannot bind arginine): [C]

Briefly describe the underlying defect that occurs in epidermolysis bullosa patients that causes their skin to be more prone to blistering. For full credit, your description must include the name of the mutant protein, its normal function in cells, and how mutations in the protein can result in blistering.

Mouse embryonic stem (ES) cells

The intrinsic apoptotic pathway requires formation of the apoptosome. Name the factor that is essential for its formation. [A]Indicate the cellular compartment from which this factor derives. [B]

The figure below shows the leading edge of a lamellipodium. Which of the following statements is FALSE?

For muscle contraction, place the following events in order of occurrence starting with 1 (first) and ending in 5 (last).

A contiguous geographic area that accounts for the majority of a store’s sales and customers is called a

________ refers to funds vendors give retailers to cover lost gross margin dollars.