Explain how the modern discovery of antibiotics required scientist to build on the work of others in the field.

Water crosses a semipermeable membrane to dilute a solute that is unable to cross the membrane. what is this process is called?

How does a mutation in the DNA affect the way proteins are made? A: A mutation in the DNA results in misshapen tRNA molecules that do not fit inside the ribosomes.

You are a member of the city council. Your community needs a new power plant. Citizens are trying to decide if they want a nuclear power plant or a new coal-burning plant. Which do you think would be best for your community? Explain your reasoning.

When a cell undergoes mitosis, how many daughter cells are produced? Are they genetically identical or are they different. Why is this important, especially in multicellular organisms?

Where were the earliest modern humans in australia, dating to 50 to 40,000 ybp, found?

Plants produce carbon dioxide as a product of cellular respiration but you know that plants release oxygen carbon dioxide develop a logical argument for how this is possible

Rna polymerase binds to regions pf dna called blank which are start sinals for transcription

When a cells volume becomes to great for the surface area to maintain the cell will A) die. B) divide. C) grow. D) move.

Fatty acids and glycerol are produced from the metabolism of

A rabbit is eating leafy plants on a sunny day. What is happening to the carbon in the plants and in the rabbit? a Carbon is only moving out of the living things; it is not moving into them. b With this information, there is no way to know for sure.