Q1. Differentiate between agar and broth. Q2. Antibiotics can be sterilized by?
Q3.Following are the instruction written on a media bottle Nutrient agar. Suspend 28 g of nutrient agar powder in 1 litre of distilled water. calculate the amount of media required for the preparation of 6 plates (25ml media per plate)

Abody cell has been growing and at synthesis proteins.in the nucleus of this body cell,dna replication is taking place. and a copy of the cells genetic material is copied.which of the following is the best conclusion you can make about the life cycle of this cell ? a) the cell is ready to undergo mitosis.and a chemical signal will send the cell to prophase b)the cell is undergoing meiosis and will cross over the genetic material next c)the cell is in the s phase of interphase and will move next to the g2 phase d) the cell is in the g2 phase of the interphase and is ready to begin diving