The number of chromosomes in each cell goes from diploid to haploid after what phase

Autotrophs a.consume their food to get energy b.may use photosynthesis to gain energy c.are also called consumers d.cannot use solar energy

Gram-negative bacteria have a cell wall that is! and does not accept the stain, making itappear

Suppose you are provided with an actively dividing culture of e. coli bacteria to which radioactive thymine has been added. what would happen if a cell replicates once in the presence of this radioactive base?