Nadine is writing a paper about amino acids. choose the correct way to complete each sentence. the body needs 20 amino acids to build half of these amino acids come from food that people eat. they are called amino acids. the human body produces the other half of the amino acids, which are called the acids. 1. proteins, cells, cytoplasm 2. essential, nonessential 3. essential, nonessential

Explain the difference between incomplete dominance and codominance

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

In a population that is in hardy-weinberg equilibrium, there are two possible alleles for a certain gene, a and a. if the frequency of allele a is 0.4, what fraction of the population is heterozygous? a. 0.40 b. 0.60 c. 0.16 d. 0.48