Which statement best describes the relationship between cells, dna and proteins
1. cells contain dna that controls the production of proteins
2. dna is composed of proteins that carry coded information for how cells function
3. proteins are used to produce cells that link amino acids together into dna
4. cells are linked together by proteins to make different kinds of dna molecules

Lactic acid and energy are produced in muscle cells during choose 1 aerobic respiration cellular respiration anaerobic respiration cellular division

Aheterozygous normal male marries a woman with a sickle cell anemia. give the genotypes and possible phenotypes of the offspring

Why are carbon dioxide concentrations expected to increase? a carbon dioxide concentrations are expected to increase, because fossil fuel burning is expected to increase b. carbon dioxide concentrations are expected to increase, because of an increase in agriculture. c.carbon dioxide concentrations are expected to increase, because more land will have to be cleared for increasing populations and agricultural use. d. all of the above select the best answer from the choices provided mark this and return save and exit next submit submit