If there are 12 sister chromatids in a cell, how many centromeres are there? a. 12 b. 24 c. 6 d. 36

Each pair of sister chromatids is bound by one centromere, so there should be 6 centromeres.

Glucose, also called grape sugar, blood sugar or corn sugar, is among the simplest and one of the primary naturally occurring sugars. produced naturally by plants as the primary photosynthesis product, it is heavily used by living beings as a main energy source and is necessary for cellular respiration. chemically, it is a monosaccharide carbohydrate and serves as a building block for complex sugars like starch.