During a lab activity a group of students was instructed to determine the density of a rock. Steps Use the balance to determine the mass of the rock. Use water displacement to determine the volume of the rock. Put 50 milliliters of water in the graduated cylinder, drop the rock in and measure the increase in the volume of the water. This will be the volume of the rock. Use the formula D=MV to calculate the density of the rock. Results Mass of the rock = 6.4 grams Volume of the rock = 0.5 mL Density = 6.40.5 = 12.8 g/mL Were the students measuring a physical property or a chemical property of the rock?

Which statement is a reason to support population regulation? a) it is unethical for us to control birth control rates b) humans have the freedom to produce as many children as desired c) the gap between the rich and poor has been narrowing since 1960 d) billions more people on the earth will intensify many environmental and social problems

Microtubular fibers that assist in the movement of chromosomes during nuclear division in conjunction with proteins, makes up the small and large organelle pieces that assemble prior to translation three-base nucleotide sequence that can complementarily pair with the functional transcript, allowing a particular material to be brought to a ribosome particular time in the cell cycle when the cell’s systems determine if the cellular conditions are appropriate to continue through the cycle time in the cell’s cycle when proteins are made and organelles are duplicated enzyme that allows proper nucleotide bonding during transcription specific dna sequence which will initiate gene transcription division of the cell’s cytoplasm specific bond that forms between two amino acids when a carboxyl group binds to a amino group three-base sequence that does not code for a particular amino acid a paired organelle which facilitates the formation of movement microtubules time in the cell’s cycle when the microtubular structures exert an equal pressure on the cell’s genetic material

In which phase(s) do the molecules take the shape of the container?