How can IgG pass through placenta?

What is the "great pacific garbage patch"? a large area of marine debris concentrated by rotating ocean currents a large area around the pacific rim where debris collects from natural disasters such as tsunamis an area in the pacific ocean where trash is intentionally dumped due to lack of landfill availability a large trash dump located in hawaii

The organelle pictured is found in cells of and is theorized to have once been an independent organism.

The following hormone had their receptors in the cell membrane except a-insulin b-tsh c-gh d- cortisol