Which compound is a reusable, complex protein that speeds up chemical reactions?

a. starch

b. a sugar

c. a lipid

d. an enzyme

Which would be most responsible for prolonging a wound healing in the older resident?

What would be a different way by which you could determine the retention volume for the proteins and molecules analyzed in today's lab, besides visually looking for the most intense fraction?

Membrane potential is determined by the: number and type of phospholipids present in a membrane. concentration of cholesterol in a membrane. difference in concentration of ions and charged molecules on the two sides of a cell's plasma membrane.

Two types of plankton are microscopic plants called ... ?

Which one of the following is false? a rna uses the sugar dextrose. b rna uses the nitrogenous base uracil. c rna is a nucleic acid. d one rna molecule can include four different nucleotides in its structure.

What large peninsula is linked to the mainland of greece by the isthmus of corinth?

What is greek mitology

One of the first breakthroughs in biotechnology was the discovery of the gene that makes insulin. Part of this process involved scientists making DNA to match each possible sequence of insulin mRNA. What was the next step of this process? A.

If mollusks evolved before arthropods, where will their fossils be found?

Over time, a river cut through a field where some mice lived and some birds were nesting. Tell over time why the mice developed into 2 different species, but the birds did not