11561599
Descripción
Test por Courtney M., actualizado hace más de 1 año
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Creado por Courtney M.
hace alrededor de 7 años
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Pregunta 1
Pregunta
during what stage of mitosis do the replicated chromosomes thicken and become visible?
Respuesta
-
metaphase
-
prophase
-
anaphase
-
interphase
Pregunta 2
Pregunta
what do you call diffusion of water through a cell membrane?
Respuesta
-
endocytosis
-
osmosis
-
exocytosis
-
passive transport
Pregunta 3
Pregunta
what type of organelle does respiration?
Respuesta
-
nucleus
-
chloroplast
-
cytoplasm
-
mitochondria
Pregunta 4
Pregunta
______ equilibrium occurs when there is no action taking place.
Respuesta
-
static
-
dynamic
Pregunta 5
Pregunta
what does "iso-" mean?
Respuesta
-
inside
-
between
-
equal
-
beside
Pregunta 6
Pregunta
the [blank_start]lysosomes[blank_end] digest excess or worn-out cell parts.
Respuesta
-
lysosomes
Pregunta 7
Pregunta
the [blank_start]golgi[blank_end] package proteins within a cell and makes lipids.
Respuesta
-
golgi
Pregunta 8
Pregunta
1.1mm = _____ μm
Respuesta
-
0.0011
-
1100.0
-
11.0
-
0.011
Pregunta 9
Pregunta
what does a graduated cylinder measure?
Respuesta
-
volume
-
mass
-
length
-
weight
Pregunta 10
Pregunta
_________ are the smallest components of life.
Respuesta
-
elements
-
protons
-
molecules
-
atoms
Pregunta 11
Pregunta
the nucleus of an atom is surrounded by [blank_start]electrons[blank_end].
Respuesta
-
electrons
Pregunta 12
Pregunta
electrons can be shared between atoms by a [blank_start]covalent[blank_end] bond which forms a molecule.
Respuesta
-
covalent
-
ionic
-
both
-
neither
Pregunta 13
Pregunta
a ionic compound is formed when an [blank_start]ionic[blank_end] bond takes place and [blank_start]transfers[blank_end] electrons between atoms.
Respuesta
-
ionic
-
chemical
-
covalent
-
transfers
-
shares
-
stabilizes
Pregunta 14
Pregunta
a covalent bond stabilizes and conserves matter.
Respuesta
- True
- False
Pregunta 15
Pregunta
a [blank_start]chemical[blank_end] bond stabilizes and conserves matter.
Respuesta
-
chemical
-
covalent
-
ionic
-
sharing
Pregunta 16
Pregunta
water molecules are [blank_start]polar[blank_end].
Respuesta
-
polar
Pregunta 17
Pregunta
what is measured on the PH scale?
Respuesta
-
acids
-
molecules
-
electrons
-
compounds
Pregunta 18
Pregunta
what number on the PH scale is neutral?
Respuesta
-
1
-
6
-
7
-
14
Pregunta 19
Pregunta
[blank_start]Acids[blank_end] are on the left side of the PH scale.
Respuesta
-
Acids
-
Bases
Pregunta 20
Pregunta
[blank_start]Bases[blank_end] contain more hydroxide ions.
Respuesta
-
Bases
-
Acids
Pregunta 21
Pregunta
what prevents fluctuations in the PH?
Respuesta
-
acids
-
atoms
-
buffers
-
bases
Pregunta 22
Pregunta
label the variables on the chart below. (independent/dependent)
Respuesta
-
dependent
-
independent
Pregunta 23
Pregunta
what is another name for the placebo group in an experiment?
Respuesta
-
control
-
constant
-
buffer
-
dependent
Pregunta 24
Respuesta
-
postive hydrogen
-
positive oxygen
-
negative hydrogen
-
negative oxygen
-
positive oxygen
-
positive hydrogen
Pregunta 25
Pregunta
[blank_start]water[blank_end] is a universal solvent.
Respuesta
-
water
Pregunta 26
Pregunta
[blank_start]surface tension[blank_end] is the top layer of water molecules that are extra cohesive which causes a skin like surface.
Respuesta
-
surface tension
-
adhesion
-
cohesion
-
density
Pregunta 27
Pregunta
when water molecules are attracted to other water molecules, it is called:
Respuesta
-
surface tension
-
adhesion
-
density
-
cohesion
Pregunta 28
Pregunta
[blank_start]enzymes[blank_end] are proteins that speed up biochemical reactions.
Respuesta
-
enzymes
-
lipids
-
molecules
-
atoms
-
amino acids
-
muscles
Pregunta 29
Pregunta
[blank_start]activation energy[blank_end] is the energy needed to start a reaction.
Respuesta
-
activation energy
Pregunta 30
Pregunta
[blank_start]catalysts[blank_end] is another name for enzymes.
Respuesta
-
catalysts
Pregunta 31
Pregunta
enzymes are specific because of the [blank_start]lock and key[blank_end] model.
Respuesta
-
lock and key
Pregunta 32
Pregunta
enzymes work best in [blank_start]warm[blank_end] temperatures.
Respuesta
-
warm
-
hot
-
cold
Pregunta 33
Pregunta
enzymes work best in [blank_start]neutral[blank_end] PH levels.
Respuesta
-
neutral
-
strongly acidic
-
strongly basic
Pregunta 34
Pregunta
nucleic acids are made up of:
Respuesta
-
hydrogen
-
oxygen
-
ammonia
-
nitrogen
-
carbon
-
sulfur
-
phosphorus
Pregunta 35
Pregunta
the suffix "-ase" means [blank_start]enzymes[blank_end].
Respuesta
-
enzymes
Pregunta 36
Pregunta
Prokaryotic means: [blank_start]before nucleus[blank_end]
Respuesta
-
before nucleus
Pregunta 37
Pregunta
in [blank_start]1665[blank_end], Robert Hooke [blank_start]came up with the term "cells"[blank_end]
Respuesta
-
1665
-
1838
-
1673
-
1858
-
came up with the term "cells"
-
created the microscope
-
discovered all animals are made of cells
-
studied plants
Pregunta 38
Pregunta
who is the father of microorganisms?
Respuesta
-
Robert Hooke
-
Theodor Schwann
-
Anton Van Leeuwenhoek
-
Rudolf Virchow
Pregunta 39
Pregunta
In [blank_start]1838[blank_end], Matthais Schleiden discovered that all [blank_start]plants[blank_end] are made of cells.
Respuesta
-
1838
-
1665
-
1858
-
plants
-
animals
-
1839
Pregunta 40
Pregunta
In [blank_start]1839[blank_end], Theodor Schwann stated that all [blank_start]animals[blank_end] were made of cells.
Respuesta
-
1839
-
1838
-
1665
-
animals
-
plants
Pregunta 41
Pregunta
[blank_start]Schwann and Schleiden[blank_end] came together to create the first rule of the cell theory: [blank_start]all living things are made of cells[blank_end].
Respuesta
-
Schwann and Schleiden
-
Hooke and Virchow
-
Schwann and Leeuwenhoek
-
Schwann and Virchow
-
all living things are made of cells
-
all cells come from preexisting cells
-
cells are the building block of life
Pregunta 42
Pregunta
which of the following are the 8 characteristics of life?
Respuesta
-
homeostasis
-
adaptation
-
keeping good health conditions
-
growth and development
-
reproduction
-
maintaining weight
-
universal genetic code
-
obtain and use minerals and energy
-
producers vs consumers
-
respond to enviroment
Pregunta 43
Pregunta
scientists use [blank_start]the scientific method[blank_end] as a way of problem solving involving experimentation, observation, and data collection.
Respuesta
-
the scientific method
Pregunta 44
Pregunta
when stating the purpose of an experiment you should write it in [blank_start]question[blank_end] form.
Respuesta
-
question
-
paragraph
-
statement
Pregunta 45
Pregunta
the variables that stay the same throughout an experiment are called the __________ variables.
Respuesta
-
control
-
independent
-
constant
-
dependent
Pregunta 46
Pregunta
the group of variables that are kept normal throughout an experiment are the ________ group.
Respuesta
-
control
-
independent
-
constant
-
dependent
Pregunta 47
Pregunta
the variable that your are manipulating during an experiment is called the:
Respuesta
-
dependent variable
-
independent variable
-
constant variable
Pregunta 48
Pregunta
Tiffany was investing how fast it took Hayden to react to different sounds. Identify the independent variable.
Respuesta
-
how much time it took Hayden to react
-
how fast Hayden reacted
-
Hayden
-
different sounds
Pregunta 49
Pregunta
Justin usually blows his nose using Kleenex tissues. His snot keeps leaking through the tissue. He decided he is going to create an experiment to find out if there is something better. What is 1 constant?
Respuesta
-
type of tissue
-
Justin
-
amount of tissue
-
Kleenex
-
mass of snot that t he tissues can hold
Pregunta 50
Pregunta
Nick wanted to see how high an ice cube would float in different temperatures of water. Identify the dependent variable
Respuesta
-
amount of water
-
temperature of water
-
height of ice cube
-
size of ice cube
Pregunta 51
Pregunta
Justin usually blows his nose using Kleenex tissues. His snot keeps leaking through the tissue. He decided he is going to create an experiment to find out if there is something better. What is his control group?
Respuesta
-
type of tissue
-
Justin
-
amount of tissue
-
Kleenex
-
amount of snot that the tissue can hold
Pregunta 52
Pregunta
what unit is used to measure mass?
Respuesta
-
meter
-
liter
-
milliliter
-
gram
Pregunta 53
Pregunta
the prefix "milli-" values [blank_start]thousandth[blank_end]
Respuesta
-
thousandth
-
thousand
-
hundred
-
million
-
millionth
Pregunta 54
Pregunta
8.0 meters = [blank_start]8000.0[blank_end] mm
Respuesta
-
8000.0
-
0.008
-
800.0
-
.08
Pregunta 55
Pregunta
how many nm (nanometer) are in a μm (micrometer) ?
Respuesta
-
100
-
10
-
1000
-
10000
Pregunta 56
Pregunta
4590.0 μl = _____ ml
Respuesta
-
45.9
-
4.59
-
0.4590
-
459.0
Pregunta 57
Pregunta
μm means [blank_start]micrometer[blank_end]
Respuesta
-
micrometer
Pregunta 58
Pregunta
what does the prefix "nano-" value?
Respuesta
-
hundred
-
billionth
-
thousandth
-
million
Pregunta 59
Pregunta
0.0087 l = _____ μl
Respuesta
-
0.087
-
87.0
-
8700.0
-
870.0
Pregunta 60
Pregunta
Pure (24 carat) gold has a density of 19 g/ml. If you bought a "gold" ring and found it had a volume of 0.3 ml and weighed 5.7 grams, is it pure gold?
Respuesta
-
yes
-
no
Pregunta 61
Pregunta
water freezes at [blank_start]0[blank_end]°c and [blank_start]32[blank_end]°f
Respuesta
-
0
-
32
-
5
-
10
-
32
-
0
-
-10
-
-5
Pregunta 62
Pregunta
water boils at [blank_start]212[blank_end]°f and [blank_start]100[blank_end]°c
Respuesta
-
212
-
100
-
110
-
200
-
100
-
212
-
132
-
112
Pregunta 63
Pregunta
[blank_start]kg[blank_end] signifies a measurement of weight.
Respuesta
-
kg
-
cm
-
ml
Pregunta 64
Pregunta
[blank_start]adhesion[blank_end] is when water sticks to other molecules.
Respuesta
-
adhesion
-
cohesion
Pregunta 65
Pregunta
[blank_start]cohesion[blank_end] is when water sticks to other water molecules.
Respuesta
-
cohesion
-
adhesion
Pregunta 66
Pregunta
which of the following are typical molecules categories?
Respuesta
-
protein
-
plant
-
carbohydrates
-
lipids
-
alive
-
nonliving
-
nucleic acids
Pregunta 67
Pregunta
sugars, starches, and grains are all [blank_start]carbohydrates[blank_end].
Respuesta
-
carbohydrates
-
proteins
-
lipids
-
nucleic acids
Pregunta 68
Pregunta
Monosaccharides sustain you for longer.
Respuesta
- True
- False
Pregunta 69
Pregunta
fats, oil, lard, and butter are all [blank_start]lipids[blank_end].
Respuesta
-
lipids
-
carbohydrates
-
proteins
-
nucleic acids
Pregunta 70
Respuesta
-
phosphate
-
base
-
deoxyribose sugar
Pregunta 71
Pregunta
muscles and collagens are examples of:
Respuesta
-
carbohydrates
-
lipids
-
nucleic acids
-
protein
Pregunta 72
Pregunta
nucleotides are a monomer of [blank_start]nucleic acids[blank_end]
Respuesta
-
nucleic acids
Pregunta 73
Pregunta
nucleic acids are a monomer of [blank_start]proteins[blank_end].
Respuesta
-
proteins
Pregunta 74
Pregunta
which of the following carries genetic codes and recycles DNA?
Respuesta
-
carbohydrates
-
lipids
-
nucleic acids
-
proteins
Pregunta 75
Pregunta
what do you call a chemical breakdown of a compound due to a reaction with water?
Respuesta
-
cohesion
-
polypeptide
-
decompensation
-
hydrolysis
Pregunta 76
Pregunta
[blank_start]fatty acid[blank_end]s and [blank_start]glycerol[blank_end] are monomers of lipids.
Respuesta
-
fatty acid
-
glycerol
Pregunta 77
Pregunta
[blank_start]lipids[blank_end] are a structural component of a cell's membrane.
Respuesta
-
lipids
-
proteins
-
nucleic acids
-
carbohydrates
Pregunta 78
Pregunta
hormones are an example of [blank_start]lipids[blank_end].
Respuesta
-
lipids
Pregunta 79
Pregunta
fructose is an example of a [blank_start]monosaccharide[blank_end].
Respuesta
-
monosaccharide
-
disaccharide
Pregunta 80
Pregunta
sucrose and fruit are examples of [blank_start]disaccharides[blank_end].
Respuesta
-
disaccharides
-
monosaccharides
Pregunta 81
Pregunta
what do you call a chemical reaction that forms covalent bonds between monomers, also known as a removal of water.
Respuesta
-
hydrolysis
-
adhesion
-
dehydration synthesis
-
photosynthesis
Pregunta 82
Pregunta
covalent bonds that link amino acids together is a [blank_start]peptide[blank_end] bond.
Respuesta
-
peptide
-
covalent
-
adhesive
-
cohesive
-
ionic
-
chemical
Pregunta 83
Pregunta
Put these parts of cells from the human body in order from smallest to biggest (1-4)
[blank_start]2[blank_end] - gene [blank_start]4[blank_end] - nucleus [blank_start]1[blank_end]- DNA [blank_start]3[blank_end]- chromosome
Respuesta
-
2
-
4
-
1
-
3
Pregunta 84
Pregunta
a woman is heterozygous for widow's peak and has a child with a man who is homozygous dominant for widow's peak. What is the probability (percentage) of having a child with an even hairline?
Respuesta
-
0%
-
75%
-
25%
-
50%
Pregunta 85
Pregunta
what does the prefix "phon-" mean?
Respuesta
-
light
-
sound
-
eat
-
beside
Pregunta 86
Pregunta
what does the prefix "phag-" mean?
Respuesta
-
through
-
old
-
eat
-
disease
Pregunta 87
Pregunta
haploid are [blank_start]sex[blank_end] cells.
Respuesta
-
sex
-
body
Pregunta 88
Pregunta
which of the following is not a reason cells undergo the cell cycle?
Respuesta
-
growth
-
repair
-
change
-
reproduce
Pregunta 89
Pregunta
what do you call the division of two somatic cells? [blank_start]mitosis[blank_end]
Respuesta
-
mitosis
Pregunta 90
Pregunta
where is DNA located inside of a chromosome? [blank_start]nucleus[blank_end]
Respuesta
-
nucleus
Pregunta 91
Pregunta
green is the dominant color for sea monsters (G) while yellow (g) is recessive. What would be the genotype ratio if you crossed a homozygous green sea monster with a yellow sea monster?
Respuesta
-
0:4:0
-
4:0
-
0%
-
0:4
Pregunta 92
Pregunta
[blank_start]Phenotypes[blank_end] are physical traits
Respuesta
-
Phenotypes
-
Genotypes
Pregunta 93
Pregunta
Which of the following is an example of a heterozygous genotype?
Respuesta
-
GG
-
gg
-
Gg
Pregunta 94
Pregunta
[blank_start]Chlorophyll[blank_end] is the primary pigment found in chloroplast.
Respuesta
-
Chlorophyll
Pregunta 95
Pregunta
The prefix "necr-" means:
Respuesta
-
move
-
nerve
-
corpse
-
thread
Pregunta 96
Pregunta
what does "nemat-" mean?
Respuesta
-
nerve
-
thread
-
corpse
-
nose
Pregunta 97
Pregunta
Bacteria have a nucleus.
Respuesta
- True
- False
Pregunta 98
Pregunta
write a hypothesis for the following statement:
watering a plant with salt water will kill the plant.
if [blank_start]you water a plant with salt water[blank_end], then [blank_start]you will kill it[blank_end].
Respuesta
-
you water a plant with salt water
-
you will kill it
Pregunta 99
Pregunta
Check all of the following that you can find in an animal cell.
Respuesta
-
cell wall
-
cytoplasm
-
nucleus
-
chloroplast
-
mitochondria
Pregunta 100
Pregunta
prokaryotic cells have a nucleus.
Respuesta
- True
- False
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