Which of the following correctly describes the structure of tRNA? A. 3 base codon one the bottom, Amino acid attachment site on top, held together by Hydrogen bonds B. 3 base codon one the bottom, Amino acid attachment site on top, phosphate groups on the left and right sides C. 3 base anticodon one the bottom, Amino acid attachment site on top, held together by Disulfide bonds D. 3 base anticodon one the bottom, Amino acid attachment site on top, held together by Hydrogen bonds

The energy needs of a human population are not affected by

The mammal pictured below is a silvery mole rat. which statement is an inference based on the picture? the animal is ugly. the animal has hairless feet with sharp claws. the animal has prominent upper and lower incisor teeth. the animal likely has poor vision since its eyes are so small.

The graph shows the amount of global warming happening in different ecosystems. which populations of organisms will likely decline the most as a result of climate change, and why? a.coral reefs because of the loss of the symbiotic algae living within their bodies b.penguin populations because the fish they eat will move into warmer waters c.mountain-dwelling birds because rising sea levels will relocate their food sources d.large cats in the rainforest because of decreased habitat loss for their prey