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AP Biology Unit 1 (Ch 1-4) Review Flashcards | StudBud
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AP Biology Unit 1 (Ch 1-4) Review
AP Biology Unit 1 (Ch 1-4) Review
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Introduction to #biology, #cells, #biochemistry
Flashcards
38 cards
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Practice quiz
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Questions
38
Answers
1
In a controlled experiment...
there are no controlled variables
there are no experimental variables
there is only 1 experimental variable
there is only 1 controlled variable
2
The pituitary gland secretes a variety of lipid-based hormones. It contains lots of
Rough ER
Mitochondria
Golgi bodies
Smooth ER
3
Domain Eukarya contains which of the following organisms?
Fungi
E. coli bacteria
Humans
Plants
4
Cells with an extensive endomembrane system (ER, golgi, etc...)
Are creating cells for reproduction
Are preparing to divide
Probably secrete protein products
Probably detoxify as their main function
5
An atom has 3 protons, 3 electrons, and 2 neutrons. What is its atomic mass?
8
3
6
5
6
All cells have
A nucleus
A plasma membrane
Ribosomes
DNA
7
A neutron walks into a bar and orders. The bartender says for you...
it's on the house!
five bucks, please!
protons pay!
no charge!
8
The smooth ER serves which function(s) for a cell?
Detoxify
Store ions
Build proteins
Build membranes
9
Two atoms with the same atomic number but different atomic masses must be...
Isomeres
In the same family
Isotopes
Both noble gasses
10
A bond created when atoms share electrons is called a(n)
Covalent bond
Polar bond
Ionic bond
Hydrogen bond
11
When the forward reaction is happening as fast as the reverse the system...
can no longer sustain life
can no longer function
is in chemical equilibrium
will stop all chemical reactions
12
Your fast plant lab utilized which type of experimental procedure?
Field observation
Controlled experiment
None of these
Computer modeling
13
Which idea is most essential to the study of biology?
Carbon is the basis of life
Evolution over time
Water has special properties
Structure is related to function
14
Which of the following molecules are considered "organic?"
Glucose (C6H12O6)
Carbon dioxide (CO2)
Oxygen (O2)
Water (H2O)
15
Which of the following are examples of lipids?
Oils
Steroid hormones
Phosopholipids
Fats
16
Which type of fat shown will have a more flexible shape?
Both will be equal
Impossible to tell
Unsaturated (bottom)
Saturated (top)
17
According to the graph, which regions have differences between data from males and females?
Region 4
Region 3
Region 2
Region 1
18
Which of the following describes primary protein structure?
Folds in the amino acid chain that form loops and sheets
Chain of amino acids
DNA code that becomes an amino acid chain
Association of loops and sheets with one another
19
What type of human cell would have the most mitochondria?
Muscle cell
Liver cell
Brain cell
Skin cell
20
The most important inorganic substance on Earth is
Carbon dioxide
Water
Hydrogen
Carbon
21
Which cellular organelle allows cells to move or sweep materials over their surface?
Nucleus
Smooth ER
Cilia
Rough ER
22
The bonding capacity of an atom depends most on which subatomic particle?
Electrons
Protons
Neutrons
Positrons
23
Which of the following feedback processes will slow down as the products build up?
Catalytic feedback
Bioinformatic feedback
Positive feedback
Negative feedback
24
Which of the following is the largest, or most inclusive, taxon?
Kingdom
Domain
Genus
Species
25
Proteins can have which of the following functions in biological membranes?
Transport substances
Maintain fluidity
Anchor structures
Signaling molecules
26
Which of the following is correctly matched?
Insects walking across a pond- surface tension
Ice floating on water- adhesion
Water forming drops as it falls from clouds- heat capacity
Water sticking to plant cell walls- cohesion
27
What is the SA:V ratio of a cubic cell that is 1 mm on each side?
4
1
6
2
28
When comparing water to other molecules...
Its specific heat is very high
Its bonds are extremely nonpolar
Its bonds are extremely polar
Its specific heat is very low
29
Dehydration synthesis...
Turns polymers into monomers
Turns monomers into polymers
Creates DNA from proteins
Turns carbohydrates into amino acids
30
The organelle that sorts, packages, and exports protein products is the...
Nucleolus
Golgi body
Nucleus
Rough ER
31
Which of the domains of life contain organisms with prokaryotic cells?
Eukarya
None of these
Archaea
Bacteria
32
How much N
2
should be added to a solution to make it 1 M? (Atomic mass of N = 14)
14 g
28 g
7 g
32 g
33
The structure of a biological molecule is directly connected to its
pH
Polarity
DNA
Function
34
Which feature of carbon makes it perfect for building biological compounds?
Atomic mass of 12
Valence of 4
6 protons
6 neutrons
35
Which of the following is a carbohydrate?
Chitin
DNA
Glucose
Cellulose
36
What is the function of mitochondria in cells?
Generate ATP through cellular respiration
Hold DNA and direct cellular activities
Arrange chromosomes for mitosis
Perform photosynthesis
37
What is the purpose of the control group in an experiment?
To account for all environmental factors
To follow good experimental design
To prove hypotheses as true in all scenarios
To give something to compare the experimental group to
38
Which of the following is true of acids?
They have a high concentration of H+ molecules in solution
They have a pH above 7
They have a pH below 7
They have a high concentration of -OH molecules in solution
