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which is not a polymer


what is the chemical mechanism by which cells make polymers from monomers

dehydrations reactions

how many molecules of h20 are needed to completely hydrolyze a polymer that is 11 monomers long?


which if the following best summarizes the relationship between dehydration reactions and hydrolysis?

A & B

the molecular formular for glucose is C6H12O6. what would be the molecular formula for a molecule made by linking 3 glucose molecules together by dehydration reactions?


how is lactose classified


which of the following is true of both starch and cellulose?

both polymers of glucose

a molecule with the formula C18H36O2 is probably a

fatty acid

which of the following statements is false for lipids?

they are soluble in H2O

what is the structure in figure 5.4?

steroid molecule

why are human sex chromosomes considered to be lipids?

steroids, not soluble in H2O

the bonding if 2 amino acid molecules to form a larger molecule requires

the release of a H2O molecule

which of the following statements is true regarding the molecule illustrated in fig 5.2?

A & B

which of the following statements is true regarding the molecule illustrated in fig 5.3?

molecules of this type are usually liquid at room temp

the molecule in fig 5.3 is

unsaturated fatty acid

there are 20 amino acids. what makes 1 amino acid different from another?

different side chains attached to a alpha carbon

which of the following statements is/are true regarding the chemical reaction in fig 5.5?

A, B, C

Polysaccarides, lipids, and proteins are similar in that they

are synthesized from monomers by hydrolysis

a particular polypeptide was found to contain 100 amino acids. How many peptide bind are present in this protein?


which bonds are created during the formation of the primary structure of a protein?

peptide bonds

fig 5.7 best illustrates the

2nd structure of a polypeptide

the tertiary structure of a protein is the

unique 3-D shape of the fully folded polypeptide

what is the term used for a change in a proteins 3D shapevor conformation due to disruption of hydrogen bonds, disulfide bridges or ionic bonds?


the major purpose of RNA is to

function in protein synthesis

which of the following best describes the flow of info in eukaryotic cells?

DNA-> RNA-> proteins

which of the following descriptions best fits the class of molecules known as nucleotides?

a nitrogeous base, a phosphate group, and a pentose sugar

the difference between the sugar in DNA and the sugar in RNA is that the sugar in DNA

carbon's one less oxygen atoms

which of the following statements best summarizes the structural differences between DNA and RNA

DNA nucleotides contain different sugar than RNA nucleotides

these data suggest that the new organism

is more closely related to frogs than humans

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