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Sci Method, Biochem, Cells Flashcards | StudBud
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Sci Method, Biochem, Cells
Sci Method, Biochem, Cells
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BIO Virginia SOL Review #virginiasol #biology #review
Flashcards
57 cards
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Questions
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Answers
1
Which of these is NOT a characteristic of life for unicellular and multicellular organisms?
homeostasis
movement
presence of a universal genetic code
metabolism
2
What is the total magnification used to view these onion cells through the microscope setup?
400
50
10
40
3
Which of these is the energy transferring molecule found in cells?
ATP
RNA
Carbon Dioxide
DNA
4
As cells increase in size, so does the surface area to volume ratio. This is why cells are big!
False
True
5
Which variables appears to control leaf production in these plants?
the amount of water
the number of daylight hours
the temperature
the relative humidity
6
What element, found in all living things, makes organisms organic?
N
O
C
H
7
Which of the following is most effective in helping rain forest plants trap sunlight
small stem
large leaf size
large root size
small seed size
8
The discovery that chromosomes are used in inheritance was made possible by the invention of
telescope
mercury thermometer
electron microscope
light microscope
9
Discoveries have been made by scientists that build upon each other. What does this infer?
replication of results
collaborative efforts among scientists
recent improvements in the scientific method
independent research
10
Membranes are selectively permeable, allowing diffusion to occur from high to low concentration
true
false
11
The results will not be valid because the experiment has no ---
hypothesis
variable
control
conclusion
12
Which data point on the graph is probably invalid?
3
4
1
2
13
Earth's first cells were
protists
plants
prokaryotes
fungi
14
Which of the following molecules is most abundant in the cells of the human body?
Water
Amino Acids
Lipids
Nucleotides
15
Which of these is a property of pure water?
it's solid form is more dense than its liquid form
It dissolves many substances.
It is slightly more acidic than air.
It has a low absorption capacity.
16
Which of these is not considered a protein?
oils and waxes
antibodies
hormones
channels in the cell membrane
17
Which of these best describes data that is numerical?
quantitative
inference
hypothesis
qualitative
18
Unlike plants, fungi cannot make their own food because they do not have
roots
spores
hyphae
chlorophyll
19
The initial step to any scientific investigation is to make a(n)
observation
hypothesis
problem
20
Which solution below would cause no change in cell size?
H
J
F
G
21
Which cannot be answered scientifically because the quantity cannot be actually measured?
how fast a tiger swallowtail butterfly fly?
how happy is a chimpanzee when it finds its favorite food?
how much food does a water buffalo consume in one day?
how heavy is a mature female elephant?
22
What is the function of the ribosomes?
control center of the cell
storage of fluid
protein synthesis
production of energy
23
Eukaryotic cells differ from prokaryotic cells in that eukaryotes
do not have nucleus
have a nucleoid region
have membrane-bound organelles
are much smaller
24
Which of these is the most trusted source for finding current information regarding biology?
encyclopedia
scientific journal
wikipedia
biology textbook
25
The process of photosynthesis ultimately converts solar energy into
mechanical energy
electrical energy
chemical energy
26
The cellular organelle responsible for modifying, sorting, and packaging protein is called the
endoplasmic reticulum
golgi apparatus
centriole
mitochondria
27
The part of the cell membrane that is most likely to be hydrophobic is the
glycoprotein
protein channel
lipid tails
phosphate head
28
Which of these scientists was not directly related to the discovery of the cell theory?
redi
hooke
pasteur
darwin
29
Which of these types of transport is reserved for molecules that are large and charged?
active transport
osmosis
simple diffusion
facilitated diffusion
30
The type of bacteria that survive in harsh environments are called
archaebacteria
eubacteria
31
Which of the following came first in the scientific study of living things?
cell theory
electron microscope
model of DNA
light microscope
32
Which of these macromolecules has CHO to a 1:2:1 ratio?
lipids
proteins
nucleic acids
carbohydrates
33
Some insects can stand on the surface of water because water
has a high boiling point
is a good evaporative coolant
has a high specific heat
is cohesive and adhesive
34
Protista are
unicellular eukaryotes
multicellular eukaryotes
unicellular prokaryotes
multicellular prokaryotes
35
Which of these is true concerning the independent variable?
the levels of the IV are determined by the experimenter
it is also called the responding variable
it is synonymous to the scientific control of an experiment
it is found on the y axis of a graph
36
Which of these is the most advanced development of technology for information about cells?
simple microscope
compound light microscope
magnifying lens
electron microscope
37
Which of these hypotheses is best supported by observations of this animal?
this animal if herbivorous
this animal has poor hearing
this animal spends most of its time digging
this animal usually hunts for food at night
38
What is the name of this cellular structure?
lysosome
vacuole
cell wall
cell membrane
39
Which of these is NOT part of a traditional cell theory of living things?
cells come from preexisting cells
cells are the basic unit of structure and function
all living things are composed of one or more cell
cells come from spontaneous generation
40
This type of transport allows movement against the concentration gradient, thus requiring ATP
simple diffusion
facilitated diffusion
osmosis
active transport
41
Which of these cannot be seen using a light microscope?
virus
bacteria
protist
fungus
42
The 3D shape of enzymes belong to what class of macromolecules?
Lipids
Proteins
Nucleic Acids
Carbohydrates
43
Which of these properties of water is defined as water climbing up plants?
cohesion
surface tension
capillary action
adhesion
44
Which of these is considered the most accurate in terms of scientific contributions?
inference
law
hypothesis
theory
45
Which of these are considered Earth's most abundant living inhabitants?
plants
animals
bacteria
viruses
46
What type of cell is this?
plant cell
bacteria cell
protist cell
fungus cell
47
Which of these cellular organelles is found in both prokaryotic and eukaryotic cells?
chloroplast
cell membrane
mitochondria
nucleus
48
Which of these is considered an example of a prokaryotic cell?
bacteria
fungus
protist
virus
49
In order to maintain homeostasis, it is most important for an animal to be able to
hide from predators
change its habitat
respond to its environment
increase its prey population
50
Which of these is considered the most acidic pH level?
7
14
10
1
51
Predict what would happen if apple pieces were divided into salty water and distilled water.
lose water in both solutions
gain water in both solutions
they will lose water in distilled and gain water in salty
they will gain water in distilled and lose water in salty
52
The picture models a cellular metabolic process. The main purpose of this process is to produce
phosphate groups
water
ADP
usable energy
53
Carbohydrates and Lipids are alike in their function in that they both
store energy
control genetic information
form the structural components of cells
54
A cover slip correctly being lowered onto a slide in this manner is done so since it
prevents the cover slip from moving
prevents the escape of microorganisms found in the water
reduces the possibility of air bubbles on the side
55
Which of these experimental designs could be used to test Redi's hypothesis?
B
C
A
D
56
Osmosis refers to the movement of
water
ions
particles
solutes
57
Enzymes are known as biological catalysts since they speed up chemical reactions in organisms.
False
True