How many grams of protein are in a 3 oz serving of meat?

In general, the protein content in meat can vary depending on the specific type of meat, its preparation, and whether it is lean or fatty. However, a widely accepted estimate is that a typical serving of meat provides about 7 grams of protein per ounce. Therefore, in a 3 oz serving, you would expect to find around 21 grams of protein. This figure aligns well with nutritional guidelines and is commonly cited in dietary resources.

The other options suggest protein amounts that are lower than what is generally expected for a 3 oz serving of most meats, which typically contain a higher concentration of protein. Thus, the choice indicating 21 grams is consistent with established nutritional data.