Many cultures in the world do not eat meat as a primary protein source. Often we find dishes of rice and beans (e.g., rice and black beans, rice and tofu, rice and lentils) in the diet of these cultures
Explain why these combinations of foods are found.
The body requires 20 amino acids to make proteins. We can produce 11 of them and require 9 from our diets. Meats usually provide all the amino acids we need and are considered complete proteins. Plants do not provide all the amino acids we need and are considered incomplete proteins. People following plant-based diets must eat certain combinations of foods to provide all amino acids. Foods that provide all amino acids when eaten together are called complementary proteins.
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Applying a chemical to the surface of the laboratory bench to remove the contaminating microorganisms is considered:
a. sterilization. b. disinfection. c. decontamination. d. pasteurization.
Colonic Fermentation
What will be an ideal response?
A red blood cell has lost its nucleus to make more space for carrying oxygen. This is an example of ________
A) a prokaryotic cell B) a cell that is not living C) the relationship between structure and function D) a cell whose DNA is circular
Assuming that the genes are on separate chromosomes, an organism with the genotype AaBb will make gametes in the following proportions: 1/4 AB, 1/4 Ab, 1/4 aB, and 1/4 ab. What process produces such results?
A) independent assortment B) mutation C) random fertilization D) segregation