Transcript Exam 1 Review

Exam 1 Review
(Units 1 & 2)
1
Gets
energy
from
Biomolecules
Stores
energy in
Carbohydrates
Such as
sugars
and
starches
And grazing
animals get
energy from
Cellulose
Builds
cells with
proteins
Lipids
Which
may be
Nucleic
acids
From
animals
Also
used to
form
Saturated
Fats
membranes
Unsaturated
fats
DNA
and
Amino
acids
Made up
from
nucleotides
Such as
Made
up of
Fats &
oils
From
plants
Builds genetic
codes with
Bases
RNA
and
Pentose
sugars
Linked
by
Peptide
bonds
containing
Amino acids
Carbohydrates
DNA
Fats, oils
Lipids
Nucleic acids
Nucleotides
Peptide bonds
Proteins
Sugars
Starches
Unsaturated fats
2
1. What substance
do people lack if
they are unable to
metabolize certain
foods?
3
Enzymes
4
2. Which biomolecule
is used for energy
only after lipids &
carbohydrates have
been depleted?
5
Proteins
6
3. What are some
examples of lipids?
7
Waxes, oils, fats
8
4. What are groups
of cells that have
to work together to
allow an organ to
function called?
9
Tissues
10
5. What group in an
experiment is used
for comparison/
standard?
11
Control group
12
6. What do you call
compounds that
contain the element
carbon and/or have
hydrogen bonds?
13
Biomolecules
Macromolecules
Organic molecules
Polymers
14
7. What level of
biological organization
contains different
populations interacting
together?
15
Community
16
8. What are subunits
bonded together to
make large carbon
compounds
(polymers)?
17
Monomers
18
9. Complete the
following analogy:
Big : Little ::
______ : Monomer
19
10. What is the
meaning of the
prefix poly-?
20
Many
21
11. Amino acids
link to make this
polymer.
22
Protein
23
12. How does changing
pH or increasing
temperature affect the
action of an enzyme?
24
Slows the enzyme
activity down & the
reaction would stop
25
13. Which biomolecule
functions in transport,
structure & regulating
enzymes?
26
Proteins
27
14. Macromolecules
that can store the
most energy are…
28
Lipids
29
15. The monomer for
carbohydrates is…
30
Monosaccharides
(sugars)
31
16. What do amino
acids build?
32
Proteins
33
17. What is the
MOST important
element in
biomolecules?
34
Carbon
35
18. Temperature, pH
& concentration can
effect which type of
protein?
36
Enzymes
37
19. Fatty acids
are long chains of
this
macromolecule…
38
Lipids
39
20. List the top five
most common elements
in biomolecules
40
CHOPN
Carbon, hydrogen, oxygen,
phosphorus, nitrogen
41
21. Enzymes are
this type of
macromolecule
42
Protein
43
22. RNA & DNA
are which type
of biomolecule?
44
Nucleic acids
45
23. Nucleotides
make up ______.
46
Nucleic acids
47
24. Reactant
catalyzed by an
enzyme is…
48
Substrate
49
25. Which biomolecule
is responsible for
digesting food &
breaking down glucose?
50
Proteins (enzymes)
51
26. How is a
hypothesis written?
52
If, then, because…
53
27. Suzie Q wants to know the effect of
different colors of light on the growth of
plants. She believes that plants can survive
best in white light. She buys 5 ferns of the
same species, which are all the same age &
height. She places one in the white light, one
in blue light, one in green light, one in red
light and one in the closet. All of the ferns
are planted in Miracle-Gro & given 20ml of
water once a day for 2 weeks. After 2
weeks, Suzie observes the plants & makes
measurements.
What is the dependent variable?
54
Growth of the plants
55
28. Suzie Q wants to know the effect of
different colors of light on the growth of
plants. She believes that plants can survive
best in white light. She buys 5 ferns of the
same species, which are all the same age &
height. She places one in the white light, one
in blue light, one in green light, one in red
light and one in the closet. All of the ferns
are planted in Miracle-Gro & given 20ml of
water once a day for 2 weeks. After 2
weeks, Suzie observes the plants & makes
measurements.
What is the independent variable?
56
Colors of light
57
29. Suzie Q wants to know the effect of
different colors of light on the growth of
plants. She believes that plants can survive
best in white light. She buys 5 ferns of the
same species, which are all the same age &
height. She places one in the white light, one
in blue light, one in green light, one in red
light and one in the closet. All of the ferns
are planted in Miracle-Gro & given 20ml of
water once a day for 2 weeks. After 2
weeks, Suzie observes the plants & makes
measurements.
List four constants?
58
Species of fern
Age
Height
Type of soil
Amount of water given
Frequency of water given
59
30. Suzie Q wants to know the effect of
different colors of light on the growth of
plants. She believes that plants can survive
best in white light. She buys 5 ferns of the
same species, which are all the same age &
height. She places one in the white light, one
in blue light, one in green light, one in red
light and one in the closet. All of the ferns
are planted in Miracle-Gro & given 20ml of
water once a day for 2 weeks. After 2
weeks, Suzie observes the plants & makes
measurements.
What is the control group?
60
Plant in the closet
61
31. Why are enzymes
considered picky
proteins?
62
They are specific to
one substrate
63
32. What are some
examples of organs?
64
Heart, stomach,
intestines, lungs,
liver
65
33. What is the
function of
carbohydrates?
66
Provide energy
67
34. What are the
functions of lipids?
68
Insulation
Energy STORAGE
Cell membrane
69
35. What is the
function of nucleic
acids?
70
Direct cell processes
71
36. What is the
optimal temperature
for enzyme B?
72
About
◦
60 C
(where the peak is)
73
37. How are polymers
created?
74
MANY monomers
bonded together to
form a chain
75
38. How would a
reaction be affected if
the enzyme
concentration was
increased?
76
More substrates
broken down = more
products
77
39. What kind of bond
joins amino acids
together to make
proteins?
78
peptide
79
40. Which statement is
false?
• Enzymes are sensitive to ph & temp
change
• Enzymes can only work on one substrate
• Enzymes are changed by the reactions
they catalyze
• Enzymes break down substrates
80