Author: Anonymous

Which of the following monomers is NOT correctly matched with an appropriate corresponding polymer? A)amino acid—starch B)nucleotide—DNA C)monosaccharide—glycogen D)nucleotide—RNA E)all of these are correctly matched.

Why is ATP important in living organisms?a. It is easily converted to starch for long-term storage.b. It can transfer some of its energy to other chemicals.c. It is an important structural component of cell membranes.d. Like all other nucleic acids, it stores hereditary information.e. Like RNA, it acts as a source code for the formation of proteins.

The organelle that best enables an athlete’s tissues to be metabolically active are A. ribosomes.B. lysosomes.C. smooth endoplasmic reticulum.D. mitochondria.E. contractile vacuoles.

______________ function in the collection, packaging, and distribution of molecules made in the cell.A) MitochondriaB) RibosomesC) Golgi bodiesD) PeroxisomesE) Vacuole

What type of bonding is likely to occur between two water molecules or strands of DNA? A. covalent B. ionic C. hydrogen D. both hydrogen and covalent E. both hydrogen and ionic

A substance that acts as a reservoir for H+ ions, opposing any increase or decrease in concentration, is a(n) _______. A.buffer B.acid C.base D.antacid

Microfilaments such as actin, microtubules, and the intermediate filaments form the cell-supporting structure called the ______________. A. cytoplasm B. plasma membrane C. cytoskeleton D. centrioles

. ____ is a cell engulfing large solid materials, and ____ is a cell engulfing materials dissolved in solution. A. Endocytosis; exocytosisB. Exocytosis; endocytosisC. Phagocytosis; pinocytosisD. Pinocytosis; phagocytosis

In a thunderstorm, the falling rain creates

What causes hair to stand on end?