True or False? An immature B cell that readily binds to a bone marrow stromal cell will likely exit the bone marrow and migrate to a secondary lymphoid organ for further maturation.

TRUE

Stromal cells provide a microenvironment conducive to the growth of immature B cells. Immature B cells which readily bind to them will most likely continue to mature and exit the bone marrow into a secondary lymphoid organ where they will complete development.

image result for how many calories of energy will 20 grams of carbohydrates provide in one gram provides 4 calories

consuming the right balance of protein, carbohydrates and fat can you maintain a healthy weight and optimize your energy levels. protein and carbohydrates both contain 4 calories per gram, while fat provides 9 calories per gram.

the answers are as following:

1. c. double helix, nucleosome, coil, supercoil, chromosome

2. b. g2 phase, preparation for mitosis

3. d. interphase consists of the g1, s, and g2 phases

4. c. metaphase

5. a. chromosomes are duplicated before cell division so that each new daughter cell has a complete set