Which gas is removed from the atmosphere during photosynthesis? Hydrogen
Carbon dioxide
Oxygen
Nitrogen

When the cell concentrates potassium within, against the natural tendency of matter, it is performing a. passive diffusion b. facilitated diffusion c. active transport d. pinocytosis

How do disease caused by bacteria and disease caused by viruses react to antibiotics

In guinea pigs, black fur (b) is dominant over white fur (b). cross a heterozygous (hybrid) black guinea pig with a homozygous (purebred) white guinea pig. complete a punnett square, identify the genotype(s), phenotype(s), and probability (% and fraction) that the offspring will be black and white?