Which of the following tests require secondary reagents in order to determine of a biochemical reaction has occurred? Group of answer choices
Nitrate Reduction
Bile Esculin
Catalase Test
Carbohydrate Fermentation
Litmus Milk

when you breathe in, or inhale, your diaphragm contracts (tightens) and moves downward. this increases the space in your chest cavity, into which your lungs expand. the intercostal muscles between your ribs also enlarge the chest cavity. they contract to pull your rib cage both upward and outward when you inhale.

examples of nucleic acids are deoxyribonucleic acid (dna) and ribonucleic acid (rna).

answer: 20 percent

the fish culture has become a developing commercial practice in developing countries which is already prominent in developed countries of the world. the major fish protein demand is being supplemented in developing countries is   fishing to meet the needs of the growing population. therefore, in some developing nations, the percentage of animal protein from fish in the diet can be as high as 20 percent.

answer: b

coz red blood cells marrow and circulates the body for 120 days.