The diagram below shows the details of an experiment in which three similar table-cloth (1,2 and 3)with identical fat stains, were washed in a biological enzyme containing powder solution in the same washing machine at three different temperatures, 15°C,37°C and 64°C. which property of enzymes is being investigated

Identify the main component f natural gas

Which of the following structures is not found in both plant and animal cells? a) chloroplast b) cytoskeleton c) ribosomes d) mitochondria

Match each description to the appropriate biome. tropical savanna desert tropical rain forest taiga tundra has sparse vegetation and very cold temperatures located near the equator and contains trees that form dense canopy layers is very hot and dry, and has plants that need little water has cold winters, heavy snowfall and is dominated by conifers has warm temperatures and is dominated by grasses