BIOCHEM REVIEW Q'S

Enzyme

A type of protein that speeds up a chemical reaction in a living thing

ph of 1-6

acidic

ph of 8-14

basic

The most likely result of mixing both enzymes with their substrates in a single test tube is that

both enzymes would exhibit some activity at ph 5

Simple sugars and starches belong to the class of compounds called

carbohydrates

Which characteristic allows enzymes to function in a specific way

each enzyme has a characteristic shape.

Which substances are necessary for the synthesis of most materials in an organism

enzymes

Iodine

found in the smallest amount in living matter.

Which elements are present in all organic compounds

hydrogen, carbon, oxygen

ph of 7

neutral

In which process are simple materials chemically combined to form more complex materials.

synthesis

In plants glucose is converted to cellulose, and in human muscle cells, glucose is converted to glycogen. these processes are examples of which life activity?

synthesis.

A change in the rate of enzyme action in aquatic invertebrates would most directly result from a change in the

temp of the water.

The shape of a protein molecule is influenced by

the sequence of amino acids in it

A characteristic shared by all enzymes, some hormones, and antibodies is that

they are proteins whose shape determines their function

Which substance found in the cytoplasm of an ameba is an inorganic compound

water

Which substance is an inorganic compound

water

Which substances are inorganic compounds

water and salts