Question 1 of 50 Which of the following choices is an example of a variable cost?
fabric used to sew the dresses a company sells
O the cost of renting a factory
money paid to replace a broken computer screen

Ectocarpene is a volatile, sperm cell-attracting material released by the eggs of the seaweed ectocarpus siliculosus. its constitution is all the double bonds are cis, and the absolute configuration of the chirality center is s. draw a stereochemically accurate representation of ectocarpene.

What is the relationship between absorbance of light and the rate of photosynthesis?

Cells must be in osmotic equilibrium with their surroundings environments because if they swell or shrink thier membranes will rupture