BSC 2010 – Exam 1 Study Guide – University of Central Florida – Verified Questions on Chemistry of Life and Functional Groups

BSC 2010 UCF ~ Exam 1 questions with verified
answers
(Cat)ion Ans✓✓✓ an atom that has lost an electron is (paws)atively (+)
charged


3 Domains Ans✓✓✓ Eukarya, Bacteria, Archaea


4 Kingdoms Ans✓✓✓ Protista, Fungi, Animalia, Plantae


Acids Ans✓✓✓ -Have more H+


- 1-6 on pH scale


Adhesion Ans✓✓✓ -Attraction of water molecules to different (not
water) polar molecules


-Allows water to be transported from plant roots all the way to the top
of the plant


-Attraction of water to cell walls


AMINO (-NH2) Ans✓✓✓ -Nitrogen bonded to a carbon and two
hydrogens

,-Acts as a base


-Very important in proteins


An atom with more protons is _______ electronegative than an atom
with ________ protons Ans✓✓✓ more; fewer


Anion Ans✓✓✓ an atom that has gained an electron is negatively (-)
charged


Atom Ans✓✓✓ -made up of protons, neutrons (both in nucleus), and
electrons (orbit around the nucleus)


-smallest unit of matter


Atomic # Ans✓✓✓ # of protons in the nucleus


Bases Ans✓✓✓ -Have more OH-


-8-14 on pH scale


CARBONYL (>C=O) Ans✓✓✓ -Oxygen double bonded to carbon

, Two types:
~Ketone - if oxygen is in the middle of hydrocarbon


~Aldehyde - if oxygen is at the end of hydrocarbon


CARBOXYL (-COOH) Ans✓✓✓ -carbon has double bond to oxygen &
single bond to OH


-acts as an acid


Cholesterol forms the base of what? Ans✓✓✓ sex hormones


Cis isomer Ans✓✓✓ on the same side of a double bond


cis-trans isomers (geometric isomers) Ans✓✓✓ -Differ in spatial
arrangement around a double bond


Cohesion Ans✓✓✓ -Attraction of water molecules to other water
molecules


-Allows water to form drops or to flow across a surface