Explain how heat can be a source of water pollution.

Which of the following is a structure that is found in the seeds of angiosperms and that often functions as a food storage organ? xylem taproot bryophyte cotyledon

How does low population density tend to affect population growth? Select one: -Low population density tends to decrease birth rates and increase mortality rates. -Low population density tends to increase both birth rates and mortality rates.

Insulin is a hormone that travels through the blood to cells, triggering the cells to alter metabolic processes. insulin does not enter target cells, but instead binds to an extracellular receptor, starting a signal transduction pathway in the cell.

In the 1950s, when Watson and Crick were working on their model of DNA, which concepts were well accepted by the scientific community? Chromosomes are made up of protein and nucleic acid. Chromosomes are found in the nucleus. Genes are made of DNA.

Do all cells have a nucleus?

Which of these chemicals is needed in order for the metabolic reactions of photosynthesis to occur? A) fructose B) glucose C) oxygen D) water

Why is the plasma membrane called a selectively permeable membrane

In what way can open-mindedness interfere with scientific progress? It can prevent the development of new ideas. It can lead to the acceptance of untested ideas. It can lead to too much critical evaluation of ideas.

Where is the neutron located in the atom?

The first step a biologist takes when deciding how to study like is to