Why does active transport require energy?

write out the chemical formula for a compound that has 18 carbon atoms, 26 hydrogen atoms, 1 chlorine atom, 3 nitrogen atoms, and 1 oxygen atom?

The first stage of cell division, before metaphase, during which the chromosomes become visible as paired chromatids and the nuclear envelope disappears. The first prophase of meiosis includes the reduction division. True or False?

What is another name for the classification system of classifying living things?

A virus is referred to as a particle rather than a cell because structurally it is a A) RNA core in a carbohydrate envelope. B) nucleus surrounded by a protein coat. C) plasmid of DNA surrounded by a capsid.

What does independent variable mean

In the 20th century where did the most ecologically destructive oil spill in the US

Which of the activities listed below are functions of the Lymphatic System? 1 transports lipids to the blood 2 transports lipid-soluble vitamins to the blood 3 drains excess interstitial fluid from tissue spaces and returns it to the blood 4

Under which circumstances must facilitated diffusion be used instead of simple diffusion?

The biochemical analysis of different chlorophyll pigments in plants would be most useful in determining ... question 3 options:

The colors on the map above show the locations of the major tectonic plates that make up the Earth's crust. Which city on the map is most likely to experience a major earthquake?