Bio143 Final Exam
Smooth ER - ANS-Lipid synthesis & calcium storage
Rough ER - ANS-Site of protein folding and modification for those proteins in the
endomembrane system
Golgi Apparatus - ANS-Protein and lipid modification; sorting
Lysosome - ANS-breakdown of ingested substances; acidic
Vacuole - ANS-digestion, storage, waste disposal, water balance, in plants
Mitochondrion - ANS-Factory for ATP production (Cellular respiration)
Chloroplast - ANS-Site for photosynthesis in plant cells
peroxisome - ANS-metabolic compartment that produces H2O2
Nucleolus - ANS-Site of ribosomal RNA Synthesis
Nuclear pores - ANS-Movement of molecules to or from the nucleus
Cytoskeleton - ANS-Network of protein fibers for support, motility, & regulation
Outermost electron shell where electrons are at their highest energy level? -
ANS-Valance shell
Chemical bonds are formed between atoms by sharing, gaining, or losing: -
ANS-electrons
Bond due to transfer of electrons? - ANS-Ionic
Bond due to sharing of electrons? - ANS-Covalent
Temporary bond due to fluctuating polarities? - ANS-Hydrogen
Bond due to attraction of a slight positive and negative charge on different parts of water
molecules due to electronegativity of oxygen? - ANS-Van der Waals forces
, Property of water that is essential for the maintenance of moderate temperatures on
earth? - ANS-Water has a high heat of vaporization and a high specific heat
Organic chemistry is the study of? - ANS-Carbon
How many bonds can carbon make? - ANS-4
Functional groups are the parts of the molecules that are? - ANS-Structural
Most important energy transferring molecule in biology is - ANS-ATP
Reaction where polymers are synthesized from monomers? - ANS-Dehydration
Energy storage polysaccharide? - ANS-Starch
Bond that joins amino acids together to make a polypeptide? - ANS-Peptide
How many Amino acids are there? - ANS-20
Nucleic acids are polymers of? - ANS-Nucleotides
Secondary structure of a protein? - ANS-Alpha helices and beta pleated sheets
DNA and RNA are identical EXCEPT? - ANS-DNA has deoxyribose RNA has ribose
DNA has thymine RNA has uracil
Hereditary units of a cell are made up of? - ANS-DNA
Prokaryotic cells do not have? - ANS-ER (any endomembrane organelles)
Intracellular junction that prevents leakage of fluid between adjacent cells? - ANS-Tight
junction
Intracellular junction that anchos or fastens cels together in strong sheets? -
ANS-Desmosome
Intercellular junction that is a channel that connects cytoplasm of animal cells? -
ANS-Gap junctions
Smooth ER - ANS-Lipid synthesis & calcium storage
Rough ER - ANS-Site of protein folding and modification for those proteins in the
endomembrane system
Golgi Apparatus - ANS-Protein and lipid modification; sorting
Lysosome - ANS-breakdown of ingested substances; acidic
Vacuole - ANS-digestion, storage, waste disposal, water balance, in plants
Mitochondrion - ANS-Factory for ATP production (Cellular respiration)
Chloroplast - ANS-Site for photosynthesis in plant cells
peroxisome - ANS-metabolic compartment that produces H2O2
Nucleolus - ANS-Site of ribosomal RNA Synthesis
Nuclear pores - ANS-Movement of molecules to or from the nucleus
Cytoskeleton - ANS-Network of protein fibers for support, motility, & regulation
Outermost electron shell where electrons are at their highest energy level? -
ANS-Valance shell
Chemical bonds are formed between atoms by sharing, gaining, or losing: -
ANS-electrons
Bond due to transfer of electrons? - ANS-Ionic
Bond due to sharing of electrons? - ANS-Covalent
Temporary bond due to fluctuating polarities? - ANS-Hydrogen
Bond due to attraction of a slight positive and negative charge on different parts of water
molecules due to electronegativity of oxygen? - ANS-Van der Waals forces
, Property of water that is essential for the maintenance of moderate temperatures on
earth? - ANS-Water has a high heat of vaporization and a high specific heat
Organic chemistry is the study of? - ANS-Carbon
How many bonds can carbon make? - ANS-4
Functional groups are the parts of the molecules that are? - ANS-Structural
Most important energy transferring molecule in biology is - ANS-ATP
Reaction where polymers are synthesized from monomers? - ANS-Dehydration
Energy storage polysaccharide? - ANS-Starch
Bond that joins amino acids together to make a polypeptide? - ANS-Peptide
How many Amino acids are there? - ANS-20
Nucleic acids are polymers of? - ANS-Nucleotides
Secondary structure of a protein? - ANS-Alpha helices and beta pleated sheets
DNA and RNA are identical EXCEPT? - ANS-DNA has deoxyribose RNA has ribose
DNA has thymine RNA has uracil
Hereditary units of a cell are made up of? - ANS-DNA
Prokaryotic cells do not have? - ANS-ER (any endomembrane organelles)
Intracellular junction that prevents leakage of fluid between adjacent cells? - ANS-Tight
junction
Intracellular junction that anchos or fastens cels together in strong sheets? -
ANS-Desmosome
Intercellular junction that is a channel that connects cytoplasm of animal cells? -
ANS-Gap junctions
