When a pregnant women injests toxins such as alchol and nicotine the?

Which of the following statements about archaea and bacteria is true? a. neither is single-celled. b. they both have nuclear membranes. c. neither reproduces by binary fission. d. they both lack a nuclear membrane.

The science for classifying and naming organisms is known as

Genetic disorders can result when sister chromatids fail to seperate properly. during what phase is this problem most likely to occur?