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Scientific Method/Similarities Among Organisms Flashcards | StudBud
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Scientific Method/Similarities Among Organisms
Scientific Method/Similarities Among Organisms
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Scientific Experimentation, 8 Life Functions, The Cell Theory, The Cell Membrane, The Mitochondria
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Questions
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Answers
1
Which Life Function is not necessary for an individual organism to stay alive?
Regulation
Nutrition
Reproduction
Excretion
2
A structure that performs a specialized funtion within a cell is known as
a tissue
an organelle
a system
an organ
3
Which process requires the expenditure of cellular energy?
Passive Transport
Osmosis
Active Tranpsort
Diffusion
4
Which procedure must be followed for the results of an experiment to be valid?
After 1 trial, the results of an experiment must be published
The results must be in the form of a table or a graph
The experiment must be repeated many times and yield similar results
The data must include metric measurements
5
The energy an organism requires to tranpsort materials and eliminate wastes is obtained directly from
DNA
ATP
Starch
Hormones
6
Which molecules must be present in order for energy production to occur in the mitochondria of an animal cell?
carbon dioxide molecules
oxygen molecules
lactic acid molecules
chlorophyll molecules
7
All living things
are capable of movment
use carbon dioxide
carry on metabolic activities
use atmospheric oxygen
8
Single-Celled organisms can maintain internal stability because they
carry out photsynthesis to produce food
work with other cells
contain structures that perform life functions
have multiple organ systems
9
Graphs of the data from laboratory investigations are used to
prevent errors in measuirng data
help change the original data tables
observe general trends in the data
make the observed data more accurate
10
The organelle that is the site for cellular respiration is the
Cell Membrane
Chlorplast
Nucleus
Mitochondria
11
In a scientific investigation , after the question is defined, the next step is most likely
designing the experiment
formulating a hypothesis
identifying needed equipment
collecting the data
12
The organelle primarily concerned with converting organic molecules into a useable form of energy is
the mitochondria
the cell membrane
the cell wall
the vacuoles
13
Which molecule will most likely diffuse through a membrane?
Amino Acids
Starch
Water
Protein
14
Carbon Dioxide and Water can pass through a cell membrane by simple diffusion
False
True
15
Which statement represents an exception to The Cell Theory?
Cells arise from pre-existing cells
Mitochondria and Chloroplasts contain genetic materia and can replicate
The specialization of cells enables an organism to function
All plants and animals are composed of cells
16
An ameba, a one-celled organism, can move, ingest, and transport materials within the cell, because it has
systems
tissues
organelles
organs
17
Which statement best describes a controlled experiment?
It tests the effect of a single, independent variable
It avoids the use of variables
It eliminatee the need for dependent variables
It shows the effect of a dependent variable on an independent variable
18
The maintenance of homeostasis in the body is most directly related to
Cellular Communication
Aging of the organism
Recombination of Chromosomes
Cycling of Energy
19
Which cytoplasmic organelles contain hereditary material and can undergo replication?
Mitochondria and Chloroplasts
Mitochondria and the Nucleus
Chloroplasts and Cell Walls
Cell Memebranes and Ribosomes
20
The process of active transport requires the most direct use of
amino acids
Glucose
ATP
carbon dioxide
21
Which activity is a function of all living cells?
Locomotion
Anaerobic Respiration
Synthesis
Extracellular Digestion
22
An ameba is also a heterotrophic organism. To meet its energy needs it relies directly on the interaction of
vacuoles and nucleus
the cell membrane and mitochondria
nucleus and cell membrane
chloroplasts and the cell membrane
23
Which observation could lead to the conclusion that an object is non-living?
It passes it's genetic information through asexual reproduction
It carries out synthesis
It cannot perform metabolic processes
It is composed of a cell but does not have tissues
24
The Fluid Mosaic Model of the cell membrane suggest that the memebrane is made primarily of
Carbohydrates and Lipids
Proteins and Lipids
Proteins and Starches
Sugars and Proteins
25
Which process utilizes cellular energy to move particles through a membrane?
Transpiration
Osmosis
Passive Diffusion
Active Transport
26
Living things contain units of structure and function that arise from pre-existing units. This statement describes the
Lock and Key Model of Enzyme Activity
Concept of Natural Selection
Heterotroph Hypothesis
Cell Theory
27
The passage of salts into and out of cells is most closely associated with the life process of
Transport
Respiration
Digestion
Reproduction
28
Which organelle aids in Homeostasis by selectively regulating the passage of materials into and out of a cell?
The Lysosome
The Ribosomes
The Nuclear Membrane
The Cell Membrane
29
Bacteria and humans are similar in that they both
contain genetic material
are single-celled
lack cell organelles
carry out autotrophic nutrition
30
Homeostasis in unicellular organisms depends on the proper functioning of
Tissues
Antibodies
Insulin
Organelles
31
The interaction between chemicals and organs that regulate sodium and water content of the blood maintains Homeostasis
False
True
32
Animals and Green Plants are similar in that they
both use DNA to pass on hereditary information
produce by asexual reproduction
require oxygen for photosynthesis
both carry out heterotrophic nutrition
33
Most cell membranes are composed principally of
Proteins and Lipids
Nucleotides and Amino Acids
Chitin and Starch
DNA and ATP
34
The same student suggested that water entered the celery stalk and made it crisp. This suggestion is considered to be
An observation
A Hypothesis
A Variable
A Control
35
Every single cell is able to survive because it carries out
Autotrophic Nutrition
Heterptrophic Nutrition
Sexual Reproduction
Metabolic Activity
36
The results of one experiment carried out by a research team would be considered valid if...
the experiment had no control setup
the experiment was repeated and the same results were obtained each time
all the team members drew the same conclusions
the experiment had more than one variable
37
Which organelles are usually found in both plant and animal cells?
Cell Walls
Cell Membranes
Mitochondria
Centrioles
38
Homeostasis can best be described as
an unstable environment
synthesis of necessary proteins
the maintenance of a stable internal environment
a stable ecosystem
39
Which structure, composed mainly of proteins and lipids, aids in maintaining homeostasis in a cell?
The Chromosomes
The Cell Membrane
The Nucleus
The Mitchondria
40
Which statements are part of The Cell Theory?
Cells are the basic unit of structure of living things
Chloroplasts and Mitochondria self-replicate genetic material
Cells are the basic unit of function of all living things
Cells come from pre-existing cells
41
A student reported that a wilted stalk of celery became crisp when placed in ice water. His statement was based on...
A Hypothesis
An Observation
A Deduction
A Conclusion
42
What is the first step in a scientific investigation?
Formulate a hypothesis
Analyze the experimental data
Perform the experiment
State the problem
