The lipid composition of the membranes of different organisms can vary, depending on the organism's environmental conditions. Which of the following best describes the hydrocarbon tails in the phospholipid bilayer of organisms that thrive in extreme cold? They will be unsaturated to prevent packing, decreasing viscosity. They will be saturated to prevent packing, decreasing viscosity. They will be unsaturated and pack together to increase viscosity. They will be saturated and pack together to increase viscosity

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