To respond to a chemical signal, a cell must have a? to which the signaling molecule can bind.

An individual's ecological footprint is equivalent to: All of these choices are correct. the total amount of energy used by that individual. the total amount of carbon emissions from that individual's car.

An example of non renawble resources is?

Briefly explain ways cars may become more energy efficient in the future

Identify 4 parts of the body in which mitosis occurs

Which of the following statements correctly relates cell division and DNA replication? A. When cells divide the DNA is always replicated exactly the same. B When cells divide the DNA is never replicated exactly the same.

What is the genotypic ratio of their offspring

Which of these is not an environmental effect of deforestation? overcrowding habitat loss soil erosion poisoned wildlife from pesticides

Aquaculture cannot reduce the number of fish caught in the wild. a. True b. False

Why does the reporter have a tube up his nose? to accurately measure core temperature True or False

Charles Goodyear was a scientist who was looking for ways to keep rubber from melting in the summer heat and becoming brittle in the winter cold. He discovered the solution by accident when someone left a sample of rubber and sulfur on the stove.