What are channels and pumps in the cell membrane made of?

1.75 grams divided by 1,000 mg over 1g

At one time, Heinz made its own brand of soups. The company also produced those same soups to be sold as store brands. The Heinz soups and the store-brand soups were differentiated only by their label.

Secondary structure is determined by interactions between amino acid side chains and tertiary structure is determined by interactions between the repeating constituents of the polypeptide backbone.

The original parent cell has 7 chromosomes. When the cell divides to create 2 new cells, how many chromosomes will each of its daughter cells have?

What allows things to enter and leave a cell and is the gate keeper?

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?