BIOLOGY 1050 EXAM 1, CONT. -
BUNNELL ECU QUESTIONS AND
ANSWERS
Scientific Thinking is ______ not __________ - Correct Answers -Natural , Supernatural
Science is _____ - Correct Answers -An approach to answering questions
null hypothesis - Correct Answers -a negative statement that proposed that there is no
relationship between the two factors
independent variable - Correct Answers -what you change
dependent variable - Correct Answers -what changes because of that
Pseudoscience - Correct Answers -set of claims that seems scientific but isn't
anecdotal observation - Correct Answers -based on just one or a few observations,
people conclude that there is or is not a link between two things
life - Correct Answers -all living organisms & all made of biological molecules
everything is made of ________ - Correct Answers -atoms
an _________ can not be broken down - Correct Answers -element
What is the "big 4" - Correct Answers --oxygen
-hydrogen
-carbon
-nitrogen
atomic number - Correct Answers -number of protons
atomic mass - Correct Answers -Number of protons and neutrons
covalent bond - Correct Answers -atoms are sharing their VALENCE electrons.
The line represents a single covalent bond.
, organic chemistry believes all living things are made of _________ - Correct Answers -
carbon
positively charged ions are attracted to.. - Correct Answers -negative charges
negatively charged ions are attracted to.. - Correct Answers -positively charged ions
ionic bond example - Correct Answers -NaCl = salt
water is _________ - Correct Answers -polar
oil is ___________ - Correct Answers -nonpolar
water has a high ________ and a low_______ - Correct Answers -heat capacity
low density
in frozen water ________________ bonding occurs - Correct Answers -hydrogen
water is a good _______ - Correct Answers -solvent
things that are polar _____________ - Correct Answers -will dissolve in water
example - Correct Answers -sugar, vitiman C
things that are non-polar will ______________ - Correct Answers -not dissolve in water
example - Correct Answers -vegitible oil, vitiman A
covalent bond strength - Correct Answers -strong
ionic bond - Correct Answers -An attraction between two oppositely charged ions,
forming a compound.
BOND STRENGTH: STRONG
hydrogen bond - Correct Answers -An attraction between the slightly positively charged
hydrogen atom of one molecule and the slightly negatively charged atom of another.
BOND STRENGTH: WEAK
why do we gian weight? - Correct Answers -its in our genes
our food is made up of ________________ - Correct Answers -organic molecules
fuel for cells - Correct Answers -carbohydrates
diabetes - Correct Answers -happens when your body doesn't create enough insulin
BUNNELL ECU QUESTIONS AND
ANSWERS
Scientific Thinking is ______ not __________ - Correct Answers -Natural , Supernatural
Science is _____ - Correct Answers -An approach to answering questions
null hypothesis - Correct Answers -a negative statement that proposed that there is no
relationship between the two factors
independent variable - Correct Answers -what you change
dependent variable - Correct Answers -what changes because of that
Pseudoscience - Correct Answers -set of claims that seems scientific but isn't
anecdotal observation - Correct Answers -based on just one or a few observations,
people conclude that there is or is not a link between two things
life - Correct Answers -all living organisms & all made of biological molecules
everything is made of ________ - Correct Answers -atoms
an _________ can not be broken down - Correct Answers -element
What is the "big 4" - Correct Answers --oxygen
-hydrogen
-carbon
-nitrogen
atomic number - Correct Answers -number of protons
atomic mass - Correct Answers -Number of protons and neutrons
covalent bond - Correct Answers -atoms are sharing their VALENCE electrons.
The line represents a single covalent bond.
, organic chemistry believes all living things are made of _________ - Correct Answers -
carbon
positively charged ions are attracted to.. - Correct Answers -negative charges
negatively charged ions are attracted to.. - Correct Answers -positively charged ions
ionic bond example - Correct Answers -NaCl = salt
water is _________ - Correct Answers -polar
oil is ___________ - Correct Answers -nonpolar
water has a high ________ and a low_______ - Correct Answers -heat capacity
low density
in frozen water ________________ bonding occurs - Correct Answers -hydrogen
water is a good _______ - Correct Answers -solvent
things that are polar _____________ - Correct Answers -will dissolve in water
example - Correct Answers -sugar, vitiman C
things that are non-polar will ______________ - Correct Answers -not dissolve in water
example - Correct Answers -vegitible oil, vitiman A
covalent bond strength - Correct Answers -strong
ionic bond - Correct Answers -An attraction between two oppositely charged ions,
forming a compound.
BOND STRENGTH: STRONG
hydrogen bond - Correct Answers -An attraction between the slightly positively charged
hydrogen atom of one molecule and the slightly negatively charged atom of another.
BOND STRENGTH: WEAK
why do we gian weight? - Correct Answers -its in our genes
our food is made up of ________________ - Correct Answers -organic molecules
fuel for cells - Correct Answers -carbohydrates
diabetes - Correct Answers -happens when your body doesn't create enough insulin
