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BIOLOGY midterm Flashcards | StudBud
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BIOLOGY midterm
BIOLOGY midterm
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Scientific method, matter, ecology, cell structure, photosynthesis and cellular respiration
Flashcards
78 cards
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Practice quiz
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Host live
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Questions
78
Answers
1
Which organelle is involved with movement?
Chromosomes
Microfilaments
Microtubules
Nucleus & nucleolus
2
What speeds up a chemical reaction
None
Activation energy
Enzyme
Nucleic acis
3
Which organelle is needed to build proteins that stay in the cell?
attached ribosomes
golgi body
vesicle
free ribosomes
4
What isn't a characteristic of living things
Responds to environment
Grows & develops
Reproduces
Ability to move
5
How are herbivores and carnivores alike
They both eat plants for energy
They both consume things for energy
They both produce their own food for energy
They both eat meat for energy
6
Maintaining a stable internal environment is
Homeostasis
Evolution
Metabolism
Photosynthesis
7
Which is the smallest level in the hierarchy of life?
tissue
organelle
atom
molecule
8
Which subatomic particle is used to help atoms become stable through bonding?
Covalent
Neutrons
Valence electrons
Protons
9
Sickle cell is an infectious disease.
True
False
10
The branch of biology that deals with organisms and their interactions with the environment
Geology
Chemistry
Biology
Ecology
11
Which is found orbiting the nucleus of an atom
Electrons
Molecules
Nucleolus
Ions
12
Tuberculosis is a genetic disease.
False
True
13
The chemical reaction that breaks down macromolecules into monomers
Hydrogen bonding
None
dehydration synthesis
hydrolysis
14
Which organelle converts chemical energy, glucose into energy the cell can use, ATP?
Mitochondria
Nucleus
ER
Golgi apparatus
15
A sign of a healthy stream
a lot of sediment
diverse amount of BMIs
lack of riffles and ripples
high temperature
16
How do you know a cell is a prokaryote
contains DNA
contains a cell wall
no membrane bound organelles
membrane bound organelles
17
What is more acidic a solution that has a pH level of 3 or 5
5
3
18
What are the reactants in H2 + O--> H2O
None
H2 and O
H2O
O
19
Which organelle modifies, packages and sorts proteins
Golgi apparatus
Lysosomes
Nucleus
ER
20
Molecules that go from an area of greater concentration to less concentration is
Diffusion
Osmosis
Endoyctosis
Active transport
21
Plants can obtain nitrogen directly from the atmosphere
False
True
22
2 or more elements make a
Isotope
Ion
Nucleus
Compound
23
Cell specialization allows cells to
Be less complex
Respond to environment
Reproduce
Perform different functions
24
The part of the microscope regulates the amount of light?
Sharp focus
Fine focus
Diaphragm
Objective lens
25
Which organelle would you find in animal cells and not plant cells
Centrioles
Lysosomes
Chloroplasts
ER
26
Energy used to start a chemical reaction is called
Enzyme
Catalyst
None
Activation energy
27
Each of the following are abiotic factors except
Rainfall
Plant life
Temperature
Soil type
28
Which cycle relies heavily on bacteria?
oxygen
nitrogen
water
carbon
29
What would happen to a cell that is placed in an extracellular environment with a greater concentration?
plasmolysis
all the above
the cell would shrink
water would leave the cell
30
The main function of the cell wall is to
Store DNA
None
Support and protect
Help the cell move
31
A macrophage engulfing bacteria uses what type of transport?
Osmosis
Exocytosis
Protein pumps
Endocytosis
32
A complex model showing feeding interactions among organisms is a
Food web
Ecosystem
Biome
Food chain
33
Nitrogen living in the nodules of plants is an example of the symbiotic relationship, parasitism.
True
False
34
Which element does not make up about 95% of all living things?
S
C
H
N
35
Hypothesis has to be testable
True
False
36
Which structure makes proteins using codes that come from the nucleus
Golgi apparatus
Ribosome
mitochondria
Vacuole
37
In the water cycle water that is found flowing on land is called
Transpiration
Precipitation
Runoff
Condensation
38
Paramecium are specialized to move through pseudopodia.
False
True
39
A protein is functioning in its primary structure.
True
False
40
Data that are quantitative are always
described in words
duplicated for verification
represented by numbers
the most useful kind of data
41
Hypotonic environments have more solvent than solute.
False
True
42
The monomer for proteins are monosaccharides.
True
False
43
What water property is shown by a meniscus
Adhesion
Cohesion
None
Polarity
44
The correct order of levels of organization start with individual, followed directly by community
True
False
45
Basic unit of matter is
Atom
Molecule
Cell
None
46
What is an example of a prokaryote?
plant cell
tuberculosis
animal cell
HIV
47
Which of the following is a function of the nucleus
Stores sugars
Packages proteins
Builds proteins
Stores DNA
48
How do most producers make their food
None
Catalyst
Transpiration
Photosynthesis
49
Which organelle breaks down other organelles that are no longer useful
Golgi apparatus
Lysosomes
Mitochondria
ER
50
What water property causes a dome shape on a penny
Cohesion
None
Polarity
Adhesion
51
Solutions with more H+ ions are
Acids
Bases
None
Reactants
52
What type of ion forms when an atom loses electrons
Positive
None
Negative
Neutral
53
Carbs, lipids, and nucleic acids are types of
Organelles
Chemical reactions
Macromolecules
Atoms
54
10%of energy is transferred from one trophic level to the next
False
True
55
Diffusion of water across a semi permeable membrane is called
Active transport
Osmosis
Diffusion
None
56
Which means of transport require energy from the cell
Active transport
Osmosis
Diffusion
None
57
Scientists begin work by
Doing an experiment
Observing
Creating conclusions
Writing data
58
Nerve cells are specialized with microvilli.
False
True
59
Who looked at cork and came up with the word "cells"
Schneider
Leeuwenhoek
Schwann
Hooke
60
Which of the following are not one of the three particles that make up an atom
Electron
Proton
Ion
Neutron
61
Substrates contain an active site that is specific to an enzyme.
False
True
62
Organisms that obtain their energy by eating dead animals are called
Herbivores
Carnivores
Scavengers
Decomposers
63
Which organelle do you find in plant cells and not animal cells
Lysosomes
None
Mitochondria
Chloroplasts
64
Energy is recycled in an ecosystem.
True
False
65
What is the molecular explanation why ice floats?
H bonds rupture
H bonds first form
H bonds expand
H bonds condence
66
Exponential growth can occur from species that are invasive.
True
False
67
When salt is dissolved in water, the water is the
Solvent
Solution
Solute
Reactant
68
Which population growth model does not take into account limiting factors?
exponential
logistic
69
Impervious surfaces can result in
all the above
carrying pollution into streams
increased erosion
eutrophication
70
Bonding in which an electron is shared with another atom is a
Covalent bond
Ionic bond
Hydrogen bond
Isotope
71
An experiment with only 1 variable changing is what kind of experiment
None
Controlled
Variable
Independent
72
What is at the base of ecological pyramids
None
Scavengers
Consumers
Producers
73
Each step showing the transfer of energy within a food web is called
trophic level
Food pyramid
Food chain
None
74
Organisms which break matter down to be return to the environment are called
Consumers
Decomposers
Producers
Scavengers
75
Independent variable
responding variable in the experiment
educated guess
variable that is altered to be tested
variable that remains the same
76
Diffusion mostly occurs because molecules constantly collide with one another
True
False
77
What is found in the nucleus of an atom
None
Proton
Electron
Ion
78
What organisms eat both autotrophs and heterotrophs
Herbivores
Carnivores
Omnivores
None
