How much of a 10 M solution is needed to make 1 liter of a 1M solution? a. 1ml
b. 1000ml
c. 10ml
d. 100ml

Imagine that you have produced several versions of lactase, each of which differs from normal lactase by a single amino acid. describe a test that could indirectly determine which of the versions significantly alters the three-dimensional shape of the lactase protein.

An atom of lithium-7 has an equal number of(1) electrons and neutrons(2) electrons and protons(3) positrons and neutrons(4) positrons and protons

Acontrol during an experiment. might change remains constant does not exist does change