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Exam 1 Review
Exam 1 Review
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Exam Review
Flashcards
54 cards
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Practice quiz
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Questions
54
Answers
1
Which of the following is
NOT
used to group organisms?
Genetic material
Number of cells
Method of obtaining food
Cell structure
2
What macromolecule is the most diverse?
Lipids
Carbohyrdates
Proteins
Minerals/Vitamins
3
What is cell theory?
Living organism are made of cells
A and B
Cells arise from pre-existing cells
4
Despite the diversity of cell type and function, all cells have these things in common:
Cell wall, cytoplasm and DNA
Cytoplasm, DNA and a plasma membrane
Plasma membrane, DNA and a nucleus
DNA
5
All of the chemical reactions that occur in the cell is defined as _____.
Metabolism
Homeostasis
Stimuli
Energy
6
Which of the following is
NOT
an example of a polysaccharide?
Cellulose
Sucrose
Starch
Glycogen
7
Which four structures are found in ALL cell types?
Cell membrane, ribosomes, cytoplasm, genetic material
Cytoplasm, lysosomes, golgi apparatus, nucleus
Cell membrane, mitochondria, cytoplasm, ribosomes
Nucleus, ribosomes, cell membrane, chloroplast
8
Which of these can increase a person's risk of developing atherosclerosis/heart disease?
Cholesterol
All of the above
Trans fatty acids
Saturated fatty acids
9
_____ blocks an enzyme in the liver that makes cholesterol.
Starch
Cellulose
Statin
Fiber
10
If you were trying to determine whether a cell was plant/animal, which would identify the cell?
central vacuole
nucleus
ribosomes
endoplasmic reticulum
11
1 gram of proteins = _____ calories
12
4
9
6
12
Which two are unique features of chloroplasts and mitochondria?
Lack of a membrane; circular DNA
Double membrane; circular DNA
Single membrane; linear DNA
Lack of a membrane; linear DNA
13
Which of the following is the smallest functioning unit of life?
Atoms
Organelle
Tissue
Cells
14
True or False: In proteins, shape means function.
True
False
15
The _____ is responsible for lipid synthesis.
Golgi apparatus
Rough endoplasmic reticulum
Smooth endoplasmic reticulum
Ribosomes
16
True or False: A unicellular organism is made of many cells.
False
True
17
An increase in saturated fats causes a(n) _________ in cholesterol.
no change
increase
decrease
18
Which of the following is an organic molecule?
KCl
H2O
CH4
NaCl
19
Which of the following theories explains the similarities AND diversity among organisms?
Theory of endosymbiosis
Theory of relativity
Theory of gravity
Theory of evolution
20
All of the following are examples of cell specialization except...
red blood cells
palisade leaf cells
heart cells
sperm cell
21
What is the difference between Prokaryotic cells and Eukaryotic cells?
Prokaryotes: injest food; Eukaryotes: make food
Prokaryotes: make food; Eukaryotes: injest food
Prokaryotes: small & simple; Eukaryotes: large & complex
Prokaryotes: large & complex; Eukaryotes: small & complex
22
What are empty calories?
Calories that cannot be digested in the body
Food that contains no calories
Calories that can only be digested for energy production
Food that contains a lot of fat
23
An amino acid is to a protein as...
glycogen is to glucose
a monosaccharide is to a polysaccharide
a polysaccharide is to monosaccharide
a monosaccharides is to a lipid
24
1 gram of carbohydrates = _____ calories
6
9
4
12
25
Which is
NOT
a step of the scientific method?
Discussion
Experiment
Hypothesis
Observation
26
Which of the following is
NOT
something that all cells have?
Cytoplasm
Ribosomes
Plasma Membrane
Mitochondria
27
What is a domain?
Three major groups of plants
Three major groups of people
Three major groups of shoes
Three major groups of living organisms
28
The correct classification of schemes is :
Order -> Subfamily -> Genus -> Family -> Species
Family -> Subfamily -> Order -> Genus -> Species
Genus -> Order -> Family -> Subfamily -> Species
Order -> Family -> Subfamily -> Genus -> Species
29
When cells have extra glucose, its stored in ____ form to be used for later or converted to ____.
monomer; fat
monomer; carbohydrate
polymer; fat
polymer; carbohydrate
30
Unsaturated fatty acids have _____ and they are _____ at room temperature.
double bonds; liquid
double bonds; solid
triple bonds; solid
single bonds; liquid
31
Which of the following is not a characteristic of all living things?
respond to stimulus
composed of two cells
acquire materials and energy
ability to reproduce
32
Homeostasis is controlled by which chemical messengers?
Bacteria
Cells
Hormones
B vitamins
33
Biology is the study of _____.
animals
the human body
life
insects
34
A unicellular organism absorbs food and was collected from someone with an infection. What is it?
Archaea
Not enough information
Bacteria
Eukarya
35
An organic molecule is a molecule that contains _____.
nitrogen
carbon
oxygen
hydrogen
36
Whigh of the following is
NOT
a component of carbohydrates?
Carbon
Nitrogen
Hyrdogen
Oxygen
37
Cholesterol is produced in the _____.
brain
heart
kidney
liver
38
What subcategory is unicellular and multicellular, eukaryotic and can absorb/make/ingest food?
Fungi
Protists
Animals
Plants
39
Which of the following is
NOT
a macronutrient?
Proteins
Minerals/Vitamins
Lipids
Carbohydrates
40
Which of these factors is not critical in classifying an organism into the the three domains?
Number of cells
Method of obtaining food
Response to stimuli
All of these are critical
41
Which of the following is a monomer?
Lipids
Carbohydrates
Proteins
Amino acids
42
What kind of fat is considered “good”?
Saturated fat
Trans fat
No fat is good fat
Unsaturated fat
43
What subcategory is multicellular, eukaryotic, and make their food?
Protists
Plants
Fungi
Animals
44
The function of ribosomes is to _____.
store fat
dispose of waste
make DNA
make protein
45
What subcategory is multicellular, eukaryotic, and eat their food?
Fungi
Plants
Animals
Protists
46
True or False: Trans fats can occur in nature.
True
False
47
Which of these is
NOT
a factor that affects metabolism?
Height
Gender
All of these affect metabolism
Weight
48
What conditions do Archaea survive in?
Mild conditions
Extreme conditions
Warm conditions
Wet conditions
49
What subcategory is multicellular, eukaryotic, and absorb their food?
Fungi
Plants
Protists
Animals
50
What are the three domains?
Archaea, Fungi, Protists
Bacteria, Plants, Animals
Animals, Archaea, Plants
Bacteria, Archaea, Eukarya
51
Which three structures are specifically characteristic of plant cells?
Cell wall, central vacuole, chloroplasts
Cell membrane, chloroplast, mitochondria
Golgi apparatus, chloroplast, vacuole
Mitochondria, chloroplast, lysosomes
52
Why don’t viruses fit into a domain classification scheme?
They are too powerful to be contained in one domain.
They don’t have one way that they intake food.
They are alive.
They cannot reproduce without invading a cell.
53
1 gram of fat = _____ calories
12
4
6
9
54
Which of the following is incorrect?
Proteins have 3 forms: mono-,poly-,di-saccharides
Lipids serve to protect and store energy
Carbohydrates are used by the body for energy
