Biology 5236 Praxis (Cell Biology: Cell
Structure and Function part)
Questions and Answers.
what is considered the central atom of organic compounds - Answer carbon
how many valence electrons does carbon have - Answer 4
what kind of bonds does carbon form - Answer covalent
organic molecules contain what - Answer carbon and hydrogen
are organic compounds more or less soluble in water than inorganic compounds? - Answer
less
four classes of organic compunds - Answer carbohydrates, lipids, proteins, nucleic acids
do inorganic molecules have carbon and hydrogen - Answer no
what do inorganic compounds include - Answer salt and metals
what are chemical bonds - Answer the attractive forces that hold atoms together
types of chemical bonds - Answer covalent, ionic and metallic
how are covalent bonds formed - Answer sharing of electrons between two atoms
what are intermolecular forces - Answer attractive forces between molecules
types of intermolecular forces - Answer London dispersion, dipole-dipole, hydrogen bonding
what are hydrogen bonds - Answer attractive forces between molecules containing hydrogen
atoms covalently bonded to oxygen, fluorine or nitrogen
what bond binds the two strands of a dna molecule - Answer hydrogen
, how many hydrogen bonds join each adenine and thymine - Answer 2
how many hydrogen bonds join each cytosine and guanine - Answer 3
what is the energy source for most cellular functions - Answer ATP
each ATP molecule consists of what - Answer a nucleotide with a central ribose sugar flanked
by a purine base and a chain of three phosphate groups
when adenine is joined to ribose what is formed - Answer adenosine
does water have a high surface tension - Answer yes
why does water have a high surface tension - Answer due to the cohesion between water
molecules from the hydrogen bonds between the molecules
the ___ of water is due to its polarity - Answer adhesion
water is considered what - Answer the universal solvent
water is most dense at what degree - Answer 4 degrees C
water has a high what - Answer specific heat
what are macromolecules - Answer large molecules made up of smaller inorganic molecules
4 classes of macromolecules - Answer carbohydrates, lipids, proteins, nucleic acids
monomers of carbohydrates - Answer simple sugars
monomers of proteins - Answer amino acids
what are carbohydrates, proteins and nucleic acids - Answer polymers
Structure and Function part)
Questions and Answers.
what is considered the central atom of organic compounds - Answer carbon
how many valence electrons does carbon have - Answer 4
what kind of bonds does carbon form - Answer covalent
organic molecules contain what - Answer carbon and hydrogen
are organic compounds more or less soluble in water than inorganic compounds? - Answer
less
four classes of organic compunds - Answer carbohydrates, lipids, proteins, nucleic acids
do inorganic molecules have carbon and hydrogen - Answer no
what do inorganic compounds include - Answer salt and metals
what are chemical bonds - Answer the attractive forces that hold atoms together
types of chemical bonds - Answer covalent, ionic and metallic
how are covalent bonds formed - Answer sharing of electrons between two atoms
what are intermolecular forces - Answer attractive forces between molecules
types of intermolecular forces - Answer London dispersion, dipole-dipole, hydrogen bonding
what are hydrogen bonds - Answer attractive forces between molecules containing hydrogen
atoms covalently bonded to oxygen, fluorine or nitrogen
what bond binds the two strands of a dna molecule - Answer hydrogen
, how many hydrogen bonds join each adenine and thymine - Answer 2
how many hydrogen bonds join each cytosine and guanine - Answer 3
what is the energy source for most cellular functions - Answer ATP
each ATP molecule consists of what - Answer a nucleotide with a central ribose sugar flanked
by a purine base and a chain of three phosphate groups
when adenine is joined to ribose what is formed - Answer adenosine
does water have a high surface tension - Answer yes
why does water have a high surface tension - Answer due to the cohesion between water
molecules from the hydrogen bonds between the molecules
the ___ of water is due to its polarity - Answer adhesion
water is considered what - Answer the universal solvent
water is most dense at what degree - Answer 4 degrees C
water has a high what - Answer specific heat
what are macromolecules - Answer large molecules made up of smaller inorganic molecules
4 classes of macromolecules - Answer carbohydrates, lipids, proteins, nucleic acids
monomers of carbohydrates - Answer simple sugars
monomers of proteins - Answer amino acids
what are carbohydrates, proteins and nucleic acids - Answer polymers
