Transcript Around the World Basic Chemistry

Around the World
Basic Chemistry
3. Neutral pH is_________
Answer: 7
27. The elements ________
make up protein
Answer:
Carbon (C), Hydrogen (H),
Oxygen (O), Nitrogen (N)
6. Inorganic compounds
__________ C-H bonds
Answer: do NOT contain
38. The place on the
enzyme where the
substrate binds is called the
_______ _______
Answer: Active Site
1. The pH range of an
acid is_____
Answer: 0-7 (not
including 7)
8. C6H12O6 is an
__________ compound
because it
_____________ bonds
Answer: Organic; contains
C-H
12. Which are the reactants
a_________ and products
b_________ of the reaction below:
C6H12O6 + O2 ------ CO2 + H2O
Answer:
Reactants: C6H12O6 and O2
Products: CO2 and H2O
18. Sugar is stored as
__________ in animal
muscle and liver
Answer: Glycogen
10. __________ make up
polymers
Answer: Monomers
5. Compounds with C-H
bonds are classified
as___________
Answer: Organic
13. 2 groups of
carbohydrates are
________ and _________
(we tested for them)
Answer: monosaccharides
and polysaccharides
30. _________ is an organic
molecule used to transport
material in and out of cells
and fight disease
Answer: Protein
15. The elements ______
are found in carbohydrates
in a 1:2:1 ratio
Answer:
Carbon (C), Hydrogen (H),
and Oxygen (O)
17. The main function of
carbohydrates
is___________
Answer: immediate energy
35. _________ are
biological catalysts that
speed up the rate of
chemical reactions
Answer: Enzymes
19. Sugars are stored as
___________ in plants
Answer: Starch
42. New DNA must be
___________ from food we
ingest since we can not use
DNA of other organisms as
our own
Answer: built
20. Plants use the sugar
___________ to build
structure called cell walls
Answer: cellulose
40. Nucleic acids contain
the elements
__________________
Answer: Carbon (C), Hydrogen
(H), Oxygen (O), Nitrogen (N),
and Phosphorus (P)
21. The monomer of lipid is
made of __________and
_________________
Answer: glycerol; 3 fatty
acids
7. Salts NaCl, carbon dioxide
CO2, and water H2O are
examples of _____________
compounds
Answer: inorganic
16. Most sugars end in
the suffix __________
Answer: -ose
22. Lipids contain the
elements _________ not
in a 1:2:1 ratio
Answer: Carbon (C),
Hydrogen (H), and
Oxygen (O)
39. The building block or
monomer of nucleic acid
is _______________
Answer: nucleotide
44. The following picture is a
picture of which organic
macromolecule?
Answer: protein
24. The main function of
lipids is ______________
Answer: long-term
energy storage
32. Enzymes are classified
as ___________ (organic)
molecules
Answer: Protein
25. _________ is the main
part of cell membranes,
insulation and waterproof
coverings
Answer: Lipid
28. __________ are the
building blocks or
monomers of protein
Answer: Amino Acids
11. Forming bonds
__________ energy,
__________ bonds releases
energy
Answer: stores; breaking
29. Protein is used to
_______ structures like
_______ and bone
Answer: build; muscle
31. ___________ is an
organic molecule used to
regulate cell processes and
rate of chemical reactions
Answer: Protein
23. 3 groups of lipids
include ________ ,
________ and waxes
Answer: fats, oils
33. __________ speed up
the rate of chemical
reactions by lowering the
energy needed to get the
reaction started
Answer: Catalysts
43. The following is a building
block (monomer) of which
organic macromolecule?
Answer: nucleic acid
(nucleotide)
36. Enzyme reactions are
affected by factors such as
___________, and
_________ as well as
concentration of substances
Answer: pH; temperature
4. Proper pH is important
because it can change the
____________ of protein
and helps maintain
_________________
Answer: shape; homeostasis
34. Enzyme words end
with the suffix________
and are named after the
compound they work on
Answer: -ase
14. The monomer or
building blocks of
carbohydrates is _________
or ____________
Answer: glucose;
monosaccharides
47. A ________ helps
neutralize acidic or basic
solutions
Answer: buffer
2. A weak acid or base
that prevents big changes
in pH is called a_________
Answer: Buffer
37. The following is a
picture of which organic
macromolecule?
Answer: carbohydrate
9. 4 Groups of organic
compounds are
_______________________
________________
Answer: Nucleic acids, lipids,
proteins, and carbohydrates
45. The following is a
picture of which organic
macromolecule?
Answer: lipid
41. DNA and RNA are
two types of
________________
Answer: Nucleic Acids
26. Plants use __________
to provide a waxy,
waterproof covering on
their leaves
Answer: Lipids
47. What is represented by
the following letters?
F
A: substrate
D: Enzyme
B: Enzyme
E: Products
C: Enzyme-substrate complex F: Active Site
46. The _________ energy
of a chemical reaction is the
energy needed to get a
reaction started.
Answer: activation