Which state of matter has a defined shape? question 2 options: liquids only solids only liquids and gases solids and liquids

What tool do geneticists use to predict the outcome of genetic crosses? a. karyotype b. punnett square c. centrifuge

When are the centromeres broken in meiosis?

You are given an electron micrograph of a bacterial cell. in the micrograph you can clearly see three thin layers of different densities surrounding the cell. based on the micrograph, you can infer that this cell is and would appear after application of the gram stain procedure. gram-negative / pink gram-positive / purple gram-positive / pink gram-negative / purple