Bio 110 PSU Exam 1 Questions With Complete Solutions
4 main classes of macromolecules Correct Answers
carbohydrates
proteins
nucleic acids
lipids
amphipathic Correct Answers hydrophilic and hydrophobic
anabolism Correct Answers uses energy to consturct
components of cells
binary fission Correct Answers dividing in half, produces two
genetically identical cells
carbohydrates Correct Answers starches, fiber, sugar, grains,
cellulose, chitin, Cn(H20)n
--Monomers-> monosaccharide (sugar), pentoses (5- carbon
sugars), hexoses (6-carbon sugars)
carbon fixation Correct Answers taking gaseous form of an
element and putting it into solid molecule ex. plants
catabolism Correct Answers breaks down organic matter, for
example to harvest energy
chemo Correct Answers chemical, energy to make ATP from
energy stored in chemical bonds
chemoautotrophs Correct Answers some prokaryotes
, energy source: molecules
carbon source: CO2
chemoheterotroph Correct Answers animals
energy source: molecules
carbon source: organic molecules
cholesterold, testosterone, and estrogen Correct Answers
steroid, ring studcture, sex characteristics, single cell membrane,
bilateral gynadromorphy= one hlad is female one half is male
chromosomes Correct Answers carry genes that are essential for
survival
cohesion Correct Answers attraction of water molecules to
other water molecules
--hydrogen bonds determine cohesiveness
conjugation Correct Answers two living bacteria cells have
interaction with each other
disaccharides of carbohydrates Correct Answers dehydration
creates disaccharide from two monosaccharides
anabolic
energy storage
endospore germination Correct Answers when conditions
improve spores germinate
--return to being vegetative
--can survive 25-40 million years
4 main classes of macromolecules Correct Answers
carbohydrates
proteins
nucleic acids
lipids
amphipathic Correct Answers hydrophilic and hydrophobic
anabolism Correct Answers uses energy to consturct
components of cells
binary fission Correct Answers dividing in half, produces two
genetically identical cells
carbohydrates Correct Answers starches, fiber, sugar, grains,
cellulose, chitin, Cn(H20)n
--Monomers-> monosaccharide (sugar), pentoses (5- carbon
sugars), hexoses (6-carbon sugars)
carbon fixation Correct Answers taking gaseous form of an
element and putting it into solid molecule ex. plants
catabolism Correct Answers breaks down organic matter, for
example to harvest energy
chemo Correct Answers chemical, energy to make ATP from
energy stored in chemical bonds
chemoautotrophs Correct Answers some prokaryotes
, energy source: molecules
carbon source: CO2
chemoheterotroph Correct Answers animals
energy source: molecules
carbon source: organic molecules
cholesterold, testosterone, and estrogen Correct Answers
steroid, ring studcture, sex characteristics, single cell membrane,
bilateral gynadromorphy= one hlad is female one half is male
chromosomes Correct Answers carry genes that are essential for
survival
cohesion Correct Answers attraction of water molecules to
other water molecules
--hydrogen bonds determine cohesiveness
conjugation Correct Answers two living bacteria cells have
interaction with each other
disaccharides of carbohydrates Correct Answers dehydration
creates disaccharide from two monosaccharides
anabolic
energy storage
endospore germination Correct Answers when conditions
improve spores germinate
--return to being vegetative
--can survive 25-40 million years
