In stage G1, the cell

doubles the cell contents, excluding the chromosomes

Which is not true of glycolysis?

it takes place in the inner membrane of the mitochondria

The process of meiosis

begins with diploid cells and ends with haploid cells

Which of these represents the net equation for complete aerobic respiration?

glucose + oxygen → carbon dioxide + water + ATP

White is a helpful adaptation for animals living near the North Pole because it:

provides camouflage for the environment

Aerobic respiration does not take place without oxygen available, because oxygen

is the terminal electron acceptor in respiration

Which cell type would most likely have the most mitochondria?

A muscle cell in the leg muscle of a runner

What is a function of Structure G ?

provides structural support through turgor pressure

What does the ciruclatory system do?

Takes food & oxygen cells and carry waste away from cells

A human egg cell with 24 chromosomes is fertilized by a sperm cell with 23. The result is:

inherit a disorder due to the extra chromosome.

The infoldings of the inner-membrane of the mitochondria have the purpose of

increasing surface area for ATP production

The frequency of a wave can be calculated by

dividing the speed by the wavelength.

Covalent compounds display which of these properties?

Their intermolecular forces are relatively weak.

Which of the following best describes the function of this system shown below?

Exchanges gases with the environment

Which of the following adaptations would not help a plant survive in a hot, dry environment?

Have thin large leaves on branches

The valence electrons of representative elements are

located in the outermost occupied major energy level.

Label the layers of the Earth.

crust, mantle, outer core, inner core

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Answers

1
Which of the following is a homogenous mixture?
vegetable soup
M&M's
fruit salad
milk
2
In stage G1, the cell
reduces the number of chromosomes from diploid to haploid
doubles the cell contents, excluding the chromosomes
copies the chromosomes
creates two identical nuclei
3
Name this muscle
hamstring
gluteus maximus
quadricep
gastrocnemius
4
Which is not true of glycolysis?
it breaks glucose into pyruvate
it produces two net ATP
it takes place in the inner membrane of the mitochondria
it takes place in cytoplasm (cytosol)?
5
Which two have the same mass?
M & N
N & O
O & Q
L & P
6
correct order of bond strength, from greatest to least, for the compounds MgCl₂, MgO & Mg₃N₂?
Mg3N2, MgO, MgCl2
Mg3N2, MgCl2, MgO
MgCl2 MgO, Mg3N2
MgO, MgCl2, Mg3N2
7
The process of meiosis
begins with haploid cells and ends with diploid cells
begins with diploid cells and ends with haploid cells
begins with diploid cells and ends with diploid cells
begins with haploid cells and ends with haploid cells
8
Which property is the least reliable for mineral identification?
Color
Hardness
Streak
Luster
9
The fossil record supports Darwin’s theory of evolution by showing that plants and animals:
are the same in various environments.
existed for only a few thousands of years
have changed over time.
remain unchanged until extinction.
10
Which of these represents the net equation for complete aerobic respiration?
glucose → carbon dioxide + ATP
glucose + oxygen → carbon dioxide + water + ATP
pyruvate + oxygen → carbon dioxide + oxygen + ATP
glucose → pyruvate + lactic acid + alcohol + ATP
11
The bonds between atoms in organic molecules such as sugars, fats and proteins are
metallic bonds
ionic bonds
covalent bonds
nuclear bonds
12
Which of the following is not normally a function of proteins in healthy cells?
helping to make up ribosomes
a component of cell membranes
long term energy storage
functioning as enzymes
13
Enzymes speed up a reaction by
increasing temperature
creating more reactants
lowering activation energy
increasing activation energy
14
2SO₃(g)-> 2SO₂(g) + O₂(g) What is the K expression for the reaction
none of these
[SO2]2[O2]/[SO3]2
[SO2][O2]
[SO2]2/[SO3]
15
White is a helpful adaptation for animals living near the North Pole because it:
helps the animals run faster
absorbs more heat from the sun.
makes the animals feel more comfortable.
provides camouflage for the environment
16
Spiders make perfect webs the 1st try. It's born with the ability. This is an example of a(n):
environmental influence.
codominant trait.
learned behavior
innate behavior.
17
The primary cause of crustal movement is
convection.
magnetism.
conduction.
radiation.
18
Aerobic respiration does not take place without oxygen available, because oxygen
is necessary for glycolysis
is the terminal electron acceptor in respiration
is essential for the formation of carbon dioxide
is present in alcohol and lactic acid
19
Which cell type would most likely have the most mitochondria?
A red blood cell that transports oxygen.
A muscle cell in the leg muscle of a runner
A nerve cell that transmit signals to the brain stem.
A cell of stomach lining that manufactures digestive enzymes
20
What is a function of Structure G ?
Converting chemical energy to ATP
provides structural support through turgor pressure
transporting proteins produced by the attached ribosomes
converting sunlight to energy
21
Which of these show an object that is not accelerating?
A and B
B and C
A and C
A only
22
What does the ciruclatory system do?
Used to breakdown food, absorb nutrients and remove waste
Used to transmit nerve impulses between parts of the body.
Used to bring oxygen into the body and remove carbon dioxide
Takes food & oxygen cells and carry waste away from cells
23
A human egg cell with 24 chromosomes is fertilized by a sperm cell with 23. The result is:
inherit a disorder due to a missing chromosome.
inherit a disorder due to the extra chromosome.
resemble the father more than the mother
resemble the mother more than the father
24
The infoldings of the inner-membrane of the mitochondria have the purpose of
increasing surface area for ATP production
speeding up the process of glycolysis
increasing the cells photosynthetic capacity
speeding the loss of carbon dioxide during fermentation
25
Which of the following waves in the electromagnetic spectrum has the longest wavelength?
Infrared waves
Visible light waves
Radio waves
Gamma waves
26
Which is NOT a diatomic molecule?
Boron
Nitrogen
Bromine
Fluorine
27
According to the modern concept of the atom, which are located in the nucleus of an atom?
Protons
Protons and Electrons
Electrons and Neutrons
Protons and Neutrons
28
Fossils are most commonly preserved in what kind of rock?
metamorphic rock
igneous rock
sedimentary rock
transitional rock
29
Which category of elements is commonly used to make computer chips and solar cells ?
Metalloids
Non-Metals
Noble Gases
Metals
30
The axon conducts nerve impulses _______ the cell body.
towards
away from
both towards and away from
around, bypassing
31
Cells that do not have histone proteins associated with their DNA
can be either prokaryotic or eukaryotic
are prokaryotic
are eukaryotic
32
The frequency of a wave can be calculated by
multiplying the amplitude by the wavelength.
multiplying the velocity times the wavelength.
dividing the speed by the wavelength.
dividing the frequency by the velocity.
33
Covalent compounds display which of these properties?
They display luster
They have high melting and boiling points
Their intermolecular forces are relatively weak.
They are hard, brittle solids
34
Which is the correct formula for the ionic compound that results from these two atoms?
X3Y2
X2Y3
X5Y2
X2Y5
35
What is the atomic number of this atom?
9
3
21
12
36
Which is NOT a value equal to 1 atm of pressure?
760 torr
1 psi
760 mmHg
101.3 kPa
37
What molecule allows hereditary information to be passed from generation to generation?
Lipids
DNA
Proteins
ATP
38
This is a _______ plate boundary.
transform
volcano
convergent
divergent
39
The law of ____ states that a compound is made of the same elements in the same proportion.
Conservation of Energy
Definite Proportions
Conservation of Mass
Multiple Proportions
40
When doing a pull-up what are the main muscles are being used?
abdominal, gluteus maximus and latissimus dorsi
hamstring, quadricep, gluteus maximus
tricep, latissimus dorsi, abdominal
deltoid, bicep, trapezious
41
The process of choosing parent organisms for desired characteristics is called what?
genetic manipulation
random chance
natural selection
artificial selection
42
What process below releases primarily oxygen into the atmosphere?
Osmosis
Respiration
Photosynthesis
Combustion
43
Colorblind man and woman who is a carrier have a child: What % of children are CB Female?
0%
25%
100%
50%
44
A sheet of ice would float on a freshwater lake because ice
is less dense than water.
has less mass.
has less volume.
is more dense than water.
45
Which is an INTENSIVE physical property?
Volume
Length
Mass
Color
46
Which of the following best describes the function of this system shown below?
Absorbs nutrients from food
Supports the skeletal system
Responds to stimuli in the environment
Exchanges gases with the environment
47
Which of the following adaptations would not help a plant survive in a hot, dry environment?
Have thin large leaves on branches
Open their stomata at night
Grow long shallow roots
Have needles instead of leaves
48
The valence electrons of representative elements are
located in d orbitals
located in the innermost occupied shell.
located in the outermost occupied major energy level.
in s orbitals only.
49
H20= neutral. Its pH is 7. Lemon juice is put in H20. pH= less than 7; litmus paper turns red.
The lemon juice is neutral.
The lemon juice is a base.
The lemon juice is a salt.
The lemon juice is an acid.
50
If the Earth were 2x as massive, then the gravitational force between it and the sun would be:
twice as great
half as great
the same
four times as great.
51
Label the layers of the Earth.
crust, outer core, mantle, inner core
crust, mantle, outer core, inner core
crust, outer core, inner core, mantle
inner core, mantle, crust, outer core
52
Which two are isotopes of one another?
L & P
M & N
O & Q
N & O
53
A man goes from 1 m/s to 7 m/s in 30.0 seconds. What is his acceleration?
0.200 m/s2
12 m/s2
0.233 m/s2
0.267 m/s2
54
What stage of mitosis is depicted by the image shown?
metaphase
prophase
telophase
anaphase
55
Which is true of the model of bonding shown in this figure?
Heat and electricity are easily carried by the cations
Metal atoms in a “sea” of negatively charged atoms.
The reason the substance is brittle and not easily deformed
Valence electrons ⇨ move easily among the metallic cations.
56
Which of these do mitosis and binary fission have in common?
They are asexual reproduction
Daughter cells contain paired chromosomes
Both are limited to prokaryotic cells
Daughter cells have the same # of chromosomes as parent cell
57
Which letter allows substances to move from an area of higher conc. to an area of lower conc.?
A
C
D
B
58
Convergent boundaries create _________.
volcanoes
mountains
all of the above
earthquakes
59
which molecule is a polar molecule?
C6H6
H2O
Cl2
CO2
60
What type of rock is formed by the cooling and solidification of magma or lava?
crystals
metamorphic
sedimentary
igneous
61
Which is the correct name for the compound N₂O₃?
nitrogen (II) oxide (III)
dinitro trioxide
trinitrogen dioxide
dinitrogen trioxide
62
In the diagram, the first evidence of crossing-over exists in the view labels
C
B
A
D
63
Name this muscle
bicep
deltoid
tricep
pectoral
64
Which wave requires a medium for transmission?
Infrared
Light
Radio
Sound
65
Which is the state change in which a gas becomes a liquid?
Freezing
Sublimation
Melting
Condensation
66
Man who is colorblind (X linked) has children with carrier woman. Chance of having normal son?
0%
25%
75%
50%
67
Which is the most important characteristic in determining an element’s chemical properties?
its outermost energy level
the number of valence electrons it contains
which period it is found in
the number of protons and neutrons in its nucleus
68
This is the only point on the graph in which the object is not moving.
C
A
E
H
69
Which property ⇨ how much energy must be added to an atom to remove an outermost electron?
Ionization Energy
Atomic Radius
Electronegativity
Ionic Radius
70
"Crossing over" between maternal and paternal chromosomes takes place during
fertilization
mitosis
meiosis I
meiosis II
71
What is the layer of the atmosphere in which weather occurs?
Mesosphere
Stratosphere
Troposphere
Exosphere
72
Which is a correct statement of bond strength
bond strength is determined by quantity of atoms
Compounds with smaller atoms have weaker bond strength.
Atoms with greater charges cause higher bond strength.
Negative lattice energy causes lower bond strength
73
What type of plate boundaries create ocean basins?
convergent
none of the above
transform
divergent
74
Term for paired, non-identical chromosomes that contain the same genes?
somatic chromosomes
homologous chromosomes
sex chromosomes
heterologous chromosomes
75
The product in this diagram is labeled as letter
D
E
B
A
76
The process by which cells expel, or secrete, large molecules is known as
pinocytosis
endocytosis
exocytosis
phagocytosis
77
An acid that can donate more than one hydrogen ion is called a _____ acid.
triprotic
polyprotic
monoprotic
diprotic
78
Weather patterns in the United States of America generally travel from the
Equator toward the North Pole
east toward the west.
west toward the east.
North Pole toward the Equator.
79
Which is the correct name for the compound HClO₃?
hydrogen chloride trioxide
hydrochloric acid
hydrogen chlorate
chloric acid
80
Convection in the oceans and atmosphere is a result of the difference in
mass
volume
temperature
weight
81
The water cycle would not occur if which of the following were missing?
Ice caps
Animals
solar energy
plants
82
This is a ________ plate boundary.
convergent
divergent
mountain
transform
83
Which of these changes might increase the rate of the reaction beyond point C?
decrease the temperature
add more water
add more enzyme
add more substrate
84
When doing a sit-up, what is the main muscle being worked?
pectoral
quadracep
abdominal
latissimus dorsi
85
What type of galaxy is the Milky Way?
Elliptical
Spiral
Lenticular
Irregular
86
Which of the following is an example of an organic chemical compound?
sodium chloride, NaCl
sufur trioxide, SO3
carbon dioxide, CO2
glucose, C6H12O6
87
In the equation for the formation of magnesium sulfide shown, which atom gains electrons?
A
C
B
D
88
Which is the state of matter that has a definite shape and definite volume?
Plasma
Liquid
Gas
Solid
89
What two body systems work together to produce movement?
Muscular and digestive
Respiration and nervous
Circulatory and skeletal
Skeletal and muscular
90
In the image depicted above, the part of the bilayer labeled "A"
are the charged phosphates
are the transport proteins
are the glycoproteins
are the hydrophobic lipids
91
The Basin and Range topography of Nevada is recognized for:
volcanoes and earthquakes.
valleys and mountains.
valleys and earthquakes
volcanoes and rivers
92
The light reactions of photosynthesis take place in
cytoplasm
stroma
thylakoids
nucleus
93
Sulfuric acid H₂SO₄ is broken down to separate elements. How many different atoms result?
3
2
7
6
94
A tool used by scientists to identify unknown organisms based on observable traits is called:
taxonomic Tree
scientific name.
dichotomous key.
homologous structure.
95
In a cross between two homozygous recessive plants, what % of babies will show dominant trait?
0%
100%
25%
50%
96
If an athlete's muscles work in the absence of enough oxygen, the muscle cells will produce
ever larger amounts of ATP
carbon dioxide
ethyl alcohol
lactic acid
97
This line segment is showing and object that is slowing down.
EF
BC
CD
AB
98
Which ion is this atom most likely to form?
Mg+
Na+
Ne-
Na-
99
When a bond results from the transfer of electrons b/w atoms, a(n) _____ bond that has formed.
covalent
ionic
nuclear
metallic

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