Which best describes a gene?

A.

A sister chromatid

B.

A chromosome

C.

A tetrad

D.

A piece of a chromosome

Which of the following describes the variable that responds to change

Que paso en el primer segundo del tiempo

What are two common diseases that result from protein deficiencies?

Which organelles stores information and is considered the control center of the cell?

3. Describe three characteristics of cell membrane

Malignant tumors are classified according to A. how quickly they divide. B. how quickly they spread. C. the type of cells that give rise to them. D. the type of cells they are most likely to spread to.

Which of the following statements is TRUE about vitamin and minerals? a. Vitamin D is a water-soluble vitamin that is stored as hydroxycholecalciferol and released so that bones and teeth form normally. b.

A blank reaction occurs when ionic or comment bond are broken and elements ions or simpler molecules are formed

The phase in which DNA copies itself

Which statement best describes the results of DNA A. Two identical DNA molecules B. one DNA molecule C. messenger RNA D. Two genetically different DNA molecules