What are the three components of an ATP molecule?

ribose, adenine, and three phosphate groups

Which of the following would be a function of the nucleic acids?

trasmitting genetic information

Which one of the following is NOT a function of proteins?

They are used to store and transmit genetic information.

Which one of the following is NOT considered a use for lipids?

They are used as the structural component of the cell wall of plants.

What is one way plants DO NOT get reactants it needs for photosynthesis?

reactants are kept in the mitochondria and used when needed

Which is NOT a factor that affects the rate of photosynthesis

the availibilty of carbon dioxide (C02)

numbers obtained by counting or measuring

What are two things PGAL molecules can be used for?

Regenerate RuBP, PGAL x 2 will make glucose

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BIOLOGY EXAM REVIEW PART #1

96 termsStudBud Administration4 plays

Photosynthesis, Themes/ Basics of Biology, Characteristics of Life, Discovery of the Cell, Structure of Animal Cells, Structure of Plant Cells, Cellular Organization, etc.

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Questions 96

Answers

1
What are the three components of an ATP molecule?
RuBP, adenine, and three phosphate groups
ribose, adenine, and three phosphate groups
ribose, adensine, one phosphate group
glucose, H20, and C02
2
scientist ______ tried to disprove spontaneous generationby boiling the broth, but failed because he sealed the flask?
Redi
Spallanzani
Virchow
Pasteur
3
Which of the following would be a function of the nucleic acids?
trasmitting genetic information
store energy
strucural purposes
insulating the body
4
what materials are exchanged INTO the stomata? (pores in the leaf)
carbon dioxide
sunlight energy
water
oxygen
5
What is the range of a PH scale?
1-14
0-14
6
Dehydration reactions assemble macromolecules and hydrolysis breaks down macromolecules
False
True
7
organisms that can make their own food are called?
plants
unicellular organisms
heterotrophs
autotrophs
8
the nucleus of an atom is composed of..
protons
neutrons
electrons
9
Energy enters the ecosystem in the form of?
carbon
glucose
sunlight
chemical energy
10
what numbers of the PH scale indicate an acid?
>7
<7
11
Scientific Method: recording and analyzing results is...
step 1
step 2
step 5
step 4
12
High energy products from light dependent reactions ATP and NADPH, The PGA will be converted molecules of PGAL?
True
False
13
What is Biology?
the study of the scientific process
The study of life
14
The 1:2:1 ratio of carbon to hydrogen to oxygen is seen in which group of organic compounds?
nucleic acids
lipids
protiens
carbohydrates
15
In what part of the chloroplast does the light independent reaction occur?
thylakoids
inner membrane
stroma
photosystem 1
16
Which one of the following is NOT a function of proteins?
They are used to store and transmit genetic information.
They are used for structural purposes such as bones and muscles.
They are used to fight diseases (antibodies).
They can be used to transport substances (hemoglobin).
17
Which one of the following is NOT considered a use for lipids?
They help to form water proof coverings on fruits, leaves, feathers.
They are used as the structural component of the cell wall of plants.
They are an important component of the cell membrane.
They are used to insulate the body
18
In what form does plants stores excess glucose?
polysaccharides
DNA
starch
enzymes
19
A polysaccharide is..A long string of simple sugars hooked together
True
False
20
Carbon dioxide joins with a 5- carbon sugar called _______ to form a very unstable 6-carbon molecule.
ribose
glyceraldehyde
phosphoglycerate
RuBP
21
a compound is a substance made of two or more elements and the smallest unit of a compound is a molecule
True
False
22
The pH scale is a measurement system that indicates the concentration of ______ in a solution.
buffers
lipids
hydrogen ions
acid
23
How are the electrons that are lost from each photosystem replaced?
they are not replaced
water molecules splitting
more are passed thorugh the stroma
ATP synthase revives them
24
Which Scientist disproved spontaneous generation once and for all?
Robert Hooke
Lazzaro Spallanzani
Francesco Redi
Louis Pasteur
25
What is one way plants DO NOT get reactants it needs for photosynthesis?
reactants are kept in the mitochondria and used when needed
the sunlight is absorbed by molecules of chlorophyll
water from the soil is absorbed by the roots
C02 from atmosphere entering the leaf through the stroma
26
what materials are exchanged OUT of the stomata? (pores of the leaf)
electrons
glucose
water and oxygen
carbon dioxide
27
Step 3 in the scientific method is designing a controlled experiment
False
True
28
this bonding is when electrons are shared between two atoms
covalent bond
ionic bond
29
carbohydrates are considered quick energy
False
True
30
when 1 or more electrons are transferred or exchanged from 1 atom to another is..
ionic bond
covalent
31
Which of the following functional groups is found in all amino acids?
-COH
-SH
-NH2
-OH
32
Which is NOT a factor that affects the rate of photosynthesis
light intensity
temperature
the availibilty of carbon dioxide (C02)
availability of water
33
Quantitive data is
descriptions that involve characteristics that cannot be counted
numbers obtained by counting or measuring
34
what is the building block of a carbohydrate?
fatty acids and glycerol
glycerol molecules
glucose molecules
fatty acids and glucose
35
What are two things PGAL molecules can be used for?
Regenerate RuBP
carbon fixation processes
PGAL x 2 will make glucose
36
______ always involves the electrons that surround the nucleus of each atom
bond formation
compounds
37
ATP is very energy-rich and ADP is energy poor
True
False
38
photosystems are a cluster of chlorophyll molecules embedded in thylakoids and serve as light collecting units
True
False
39
What is the name of the dense solution found inside the chloroplast?
stroma
adenine
ribose
thylakoids
40
What is the name of the tubes that carry water upward in the plant?
stem
Phloem
roots
Xylem
41
a hypothesis is..
a testable question with a possible answer
a scientific explanation for a set of observations
all of the above
42
water is required for photosynthesis. Which reaction is water used in?
light independent reactions
light dependent reactions
chemical reactions
carbon fixation
43
What happens to ATP when the third phosphate is removed?
It stops working and dissolves
It doesn't effect the ATP molecule
ATP becomes ADP
ehhhh i can't think of anything
44
The building blocks of proteins are amino acids
True
False
45
Maggots arising from dead rotting meat, beetles arsing from cow dung are both examples of....
biogenesis
spontaneous generation
46
There are two main types of bonds: ionic and covalent
True
False
47
As electrons are passed down the electron transport chain, energy is released. What is this energy used to produce?
chlorophyll
RuBP
NADPH
ATP
48
what are the 2 principal energy carrying molecules of the cell?
H20 molecules
NADPH and ADP
ADP and ATP
Oxygen
49
The last step in the scientific method is drawing conclusions?
False
True
50
substances that absorb and reflect wavelenghts of light are called..?
pigments
chloroplast
light indepenent and light dependent reactions
light intensity
51
what are the pores in a leaf called?
phloem
xylem
stomata
stoma
52
What two things are produced in the light dependent reactions that are required for the light independent reactions?
ATP and NADPH
PGAL
RuBP
PGA
53
Biogenesis is...
says all living things come from pre-exsisting living things
says all living things came from nothing
54
How might a high rate of photosynthesis lead to a water loss in the plant?
water vapor escapes the leaf when the stomata is open to let c02 in
It's being used up
55
When an atom loses electrons, it forms an ion of what charge?
neutral
negative
positive
56
what pigment is essential to photosynthesis?
chloroplast
green
violets and reds
chlorophyll
57
what color is the pigment most essential to photosynthesis
blue
red
yellow
green
58
what is the enzyme that converts ADP to ATP?
electron transport carrier
PGAL
ATP Synthase
RuBP
59
a monosaccaride is a carbohydrate
True
False
60
an atom is...
anything that occupies space and has mass
the smallest unit of an element that doesn't change the characteristics
61
What is the basic unit of life?
An atom
The cell
matter
elements
62
Name given to a pure substance consisting of all the same type of atom.
non polar covalent
polar covalent
63
Themes in Biology: cell structure and function, stability and homeostasis, evolution. which 3 are we missing?
reproduction and inheritance
matter, energy and organization
interdepenence of organisms
ability to live colonially
64
cholesterol is a...
lipid
amino acid
65
a glucose molecule is to starch as a
nucleic acid is to a polypeptide
steroid is to a lipid
nucleiotide is to a nucleic acid
amino acid is to a nucleic acid
66
What numbers on the pH scale indicate a base?
<7
7
>7
0-14
67
What is the name of the tubes that carry food out of the leaf?
mesophyll
Xylem
stoma
Phloem
68
The purpose of the light independent reactions is to incorporate _______ from the atmosphere into molecules of ________.
ATP and ADP
glucose
oxygen
carbon dioxide
69
an element is...
a pure substance that can easily be broken down
a pure substance that cannot be broken down any farther or simplier
70
spontaneous generation was the idea that...
living things came from pre-exsisting things
living things could arise from nonliving things
71
What is life on Earth dependent on photosynthesis for?
energy and H20
(glucose) food and oxygen
plants and food
sunlight and oxygen
72
Francesco Redi-(1668) : Tried to disprove spontaneous generation by placing cloth over the jars of meat
False
True
73
What numbers on the pH scale indicate a neutral substance?
7
>7
<7
74
what are the building blocks of nucleic acids?
amino acids
cellulose
75
The process of carbon bonding with RuBP is called...?
regeneration
reduction
The Calvin Cycle
Carbon Fixation
76
Which of the following organic compounds is the main source of energy for all living things?
nucleic acids
carbohydrates
lipids
protiens
77
a suspension is a mixture of water and undissolved materials that are so small they don't settle out
False
True
78
A mixture is....A substance composed of two or more elements or compounds that are not chemically combined.
True
False
79
In what part of the chloroplast does the light dependent reactions occur?
stroma
outer membrane
thylakoids
inner membrane
80
A short segment of DNA that contains instructions for the development of a single trait in an organism is known as a:
gene
cellulose
membrane
DNA loop
81
Qualitative data is
descriptions that involve characteristics that cannot be counted
numbers that are obtained by counting or measuring
82
bond formed between the oxygen atom of one water molecule and the hydrogen of a different water molecule is called a:
ionic bond
hydrogen bond
covalent bond
83
a saturated fat is
a fat with NO carbon to carbon double bonds
a fat with carbon double bonds
solid
liquid
84
Carbon Dioxide is required for photosynthesis. In which reaction is carbon dioxide used?
The Calvin Cycle
light independent reaction
light dependent reaction
carbon fixation
85
What happens to the oxygen when water molecules are split in the light dependent reactions?
02 is stored in the thylakoid membrane
idk
02 is released into the atmosphere
the oxygen also splits
86
the atoms that compose compounds are held together by...
chemical bonds
elements
87
what is the name of the waxy layer of the leaf that helps prevent water loss?
mesophyll
stoma
vascular bundle
cuticle
88
organisms that cannot make their own food are called...?
heterotrophs
autotrophs
plants
animals
89
A series of steps used by scientist to solve a problem or answer a question is called...?
The scientific method
biology
tabling and graphing
designing a controlled experiment
90
Which one of the following is true of the polarity of water?
Both the oxygen and the hydrogen atoms are slightly positive.
The oxygen atom slightly positive and hydrogen atom is slightly negative.
Both the oxygen and the hydrogen atoms are slightly negative.
oxygen atom is slightly negative and hydrogen atom is slightly positive.
91
What is the name of the flattened sacs found inside the chloroplast that contain the chlorophyll molecules?
thylakoids
stroma
glucose
vascular bundle
92
Observation is...
step 1
asking a question
step 3
recording and analyzing results
93
C02+ H20 + sunlight ---> C6 H12 O6 + 02 is this the equation for photosynthesis?
True
False
94
Step 2 of the scientific method is...
designing a controlled experiment
recording and analyzing data
drawing conclusions
forming a hypothesis
95
The unstable 6-carbon compound breaks apart to form two molecules of _____.
glucose
RuBP
PGA
PGAL
96
cohesion is water molecules stick to other water molecules
True
False

BIOLOGY EXAM REVIEW PART #1 Flashcards | StudBud