Bio Patrick

Front 1

a dehydration rxn is what process?

Back 1

water molecules are produced as a polymer is formed from monomers

Front 2

what is NOT a polymer

Back 2

glucose

Front 3

polysach, triacylglycerides and proteins are similar cuz

Back 3

they are synthesized from subunits by dehydration reactions

Front 4

large organic molecules are assembled by polymerization of simple subunits. what's an exception?

Back 4

a steroid

Front 5

a molecule w/ the chemical formula C6H12O6 is

Back 5

carb and monosaccharide only

Front 6

palm oil and coconut oil are more like animal fats than are other plant oils. because they ___ than other plant oils, they may contribute to cardiovascular disease.

Back 6

contain fewer double bonds

Front 7

a molecule with the formula C18H36O2 is probs a

Back 7

fatty acid

Front 8

the label on a container of margarine lists "hydrogenated vegetable oil" as the major ingredient. what is the result of adding hydrogens to vegetable oil?

Back 8

the hydrogenated vegetable oil stays solid at room temp.

Front 9

what type of covalent bond between amino acid side chains functions in maintaining a polypeptide's specific three-dimensional shape?

Back 9

disulfide bond

Front 10

at which level of protein structure are interactions between the side chains most important?

Back 10

tertiary

Front 11

how will brief heating affect macromolecular structures in aqueous solution?

Back 11

DNA duplexes will unwind and separate, and proteins will unfold

Front 12

if cells are grown in a medium containing radioactive 35S which of these molecules will be labeled?

Back 12

proteins

Front 13

the difference between the sugar in DNA and sugar in RNA

Back 13

contains one less oxygen atom

Front 14

difference between DNA and RNA

Back 14

DNA nucleotides contain a different sugar than RNA nucleotides

Front 15

complementary strand of 5ATTGCA3

Back 15

5TGCAAT3

Front 16

C6H12O6. what would be the molecular formula for a polymer made by linking ten glucose molecules together by dehydration?

Back 16

C60H102O51

Front 17

unsaturated fats is true?

Back 17

they are more common in plants than in animals

Front 18

which class of biological polymer has the greatest functional variety?

Back 18

proteins

Front 19

all are in a prokaryotic cell EXCEPT

Back 19

endoplasmic reticulum

Front 20

which of the following statements concerning cells of bacteria and archaea is correct?

Back 20

DNA is present in both archaea and bacteria

Front 21

nuclear envelope of a eukaryotic cell?

Back 21

nuclear envelope is continuous w/ the endoplasmic reticulum

Front 22

if the lamina were to fall into disarray, what would happen?

Back 22

a change in the shape of the nucleus

Front 23

which structure is the site of the synthesis of proteins that may be exported from the cell

Back 23

rough ER

Front 24

what about the endomembrane system is correct?

Back 24

proteins that will be secreted from the cell are likely to be found in closed spaces bounded by membranes of the endomembrane system

Front 25

what eukarykotic organelle has evolved?

Back 25

nuclear envelope

Front 26

which of the following contains hydrolytic enzymes?

Back 26

lysosomes

Front 27

common traits of chloroplasts and mitochondria

Back 27

DNA in both

Front 28

enzymes, dna, ribosomes, plasma membrane, mitochondria

Back 28

nearly any eukaryotic organism

Front 29

why isn't the mitochondrion part of the endomembrane system?

Back 29

its structure is not derived from the ER or Golgi

Front 30

how does the cell multiply its peroxisomes

Back 30

they split in two after they become sufficiently large

Front 31

9 + 2 arrangement of microtubules, 9 doublets surrounding a pair of single microtubules?

Back 31

both flagella and motile cilia

Front 32

a cell treated with cytochalasin D will still be able to

Back 32

move vesicles around the cell

Front 33

cells require which of the following to form cilia or flagella

Back 33

tubulin

Front 34

what do the cell walls of plants and the extracellular matrix of animal cells have in common?

Back 34

they have functional connections with the cytoskeleton inside the cell

Front 35

characteristic common to all these features?

Back 35

they are constructed of polymers that are synthesized in the cytoplasm and then transported out of the cell

Front 36

extracellular matrix is thought to participate in communicating info from outside to the inside of the cell

Back 36

integrins

Front 37

plasmodesmata in plant cells are most similar in function to which of the following structures in animal cells?

Back 37

gap junctions

Front 38

which of the following is present in a prokaryotic cell?

Back 38

ribosome

Front 39

an animal cell lacking oligosaccharides on the external surface of its plasma membrane would likely be impaired in which function?

Back 39

cell-cell recognition

Front 40

which is least likely to be important in holding the components of a biological membrane together

Back 40

covalent interactions between the phospholipid and protein components of the membrane

Front 41

a typical plasma membrane is

Back 41

two sides of the plasma membrane have different lipid and protein composition

Front 42

move thorugh lipid bilayer quickest

Back 42

CO2

Front 43

Red blood cell with ion concentration 0.9% if in beaker of water?

Back 43

the cell would swell cuz the water in the beaker is hypotonic relative to the cytoplasm of the red blood cell

Front 44

true of osmosis?

Back 44

water moves across a membrane from areas of lower solute concentration to areas of higher solute concentration

Front 45

which process includes all others

Back 45

passive transport

Front 46

phosphate transport is an example of

Back 46

cotransport

Front 47

how could the cell increase the concentration of phosphate in the cytosol?

Back 47

active transport

Front 48

the difference between pinocytosis and receptor mediated endocytosis

Back 48

pino is nonselective in the molecules it brings into the cell, whereas receptor mediated endocytosis offers more selectivity

Front 49

correctly describes some aspect of exocytosis or endocytosis

Back 49

exocytosis and endo change the surface area of the plasma membrane

Front 50

true about equilibrium of chemical rxns is correct?

Back 50

a rxn that is at equilibrium is not capable of doing any work

Front 51

which is most similar to structure to ATP

Back 51

an RNA nucleotide

Front 52

true concerning catabolic pathways

Back 52

supply energy, primarily in the form of ATP, cell's work.

Front 53

when chemical work is done, what happens to heat generated?

Back 53

it is lost to the environment

Front 54

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