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Pre-AP Biology 101 > Final Review! > Flashcards

Final Review! Flashcards

1
Q

How many variables are tested in a controlled experiment?

Be able to explain why.

A

1 variable

You test only one variable at a time so you can be sure it’s causing the change.

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2
Q

The levels of organization in order from smallest to largest are

A

Atom, Molecule, Cell, Tissue, Organ, Organ System, Organism, Population, Community, Ecosystem, Biosphere

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3
Q

Monomers of carbohydrates are

A

Monosaccharides

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4
Q

The polymers of carbohydrates are

A

Polysaccharides

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5
Q

Which two types of macromolecules are made up of only the elements carbon, hydrogen, and oxygen?

A

Lipids and Carbohydrates

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6
Q

List the four macromolecules (biomolecules)

A

Lipids

Carbs

Proteins

Nucleic Acids

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7
Q

Amino acids are the monomers of

A

Proteins

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8
Q

The polymers of proteins are known as

A

Polypeptides

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9
Q

DNA and RNA are which type of macromolecule?

A

Nucleic Acid

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10
Q

How would you differentiate between a eukaryotic and a prokaryotic cell?

A

Eukaryote - has a nucleus and membrane bound organelles

Prokaryote - no nucleus or membrane-bound organelles

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11
Q

The function of the _____ is to produce proteins

A

Ribosome

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12
Q

The functions of the cell are controlled by the

A

Nucleus

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13
Q

Ribosomes are made in the

A

Nucleolus

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14
Q

Where are molecules modified and packaged for shipment?

(which organelle)

A

Golgi Apparatus

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15
Q

Describe the functions of the smooth and rough endoplasmic reticulum

A

Smooth - makes lipids

Rough - makes proteins

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16
Q

Which organelle is important to macrophages?

Why?

A

Lysosome

The lysosomes contain digestive enzymes that break down cell parts and waste. Macrophages engulf foreign particles in the body as part of the immune system.

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17
Q

Briefly describe the function of the mitochondria

A

Powerhouse of the cell.

Makes ATP (energy) for the cell through cellular respiration

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18
Q

Where does photosynthesis occur?

Include the locations of the Light Reactions and the Calvin Cycle (part I and part II of photosynthesis)

A

Photosynthesis - chloroplast

Light Reactions - in the thlylakoids of the chloroplast

Calvin Cycle - in the stroma of the chloroplast

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19
Q

The role of the vacuole is to

A

Store water and materials

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20
Q

How do plant cells and animal cells differ?

A

Plant cells contain chloroplasts, a large central vacuole, and a cell wall

Animal cells contain centrioles

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21
Q

What is diffusion? Why does it occur? What is the name of the scientific phenomenon that causes it?

A

Diffusion is the net movement of particles from a higher concentration to a lower concentration.

It occurs because of the random movement of particles, known as Brownian Motion.

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22
Q

Describe the process for cellular respiration including the location, products, reactants, and formula (in words and chemical symbols)

A

Occurs in the mitochondria (glycolysis occurs in the cytoplasm)

Reactants: Glucose & Oxygen

Products: Carbon Dioxide, Water, & 36 ATP

Formula:

C6O6H12 + 6 O2 = 6 CO2 + 6 H2O + 36 ATP

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23
Q

Why types of organisms carry out cellular respiration?

A

All organisms except those that are anaerobic

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24
Q

Compare and contrast photosynthesis and cellular respiration.

A

They are opposite reactions. What are the reactants for one are the products for the other (and vice versa).

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25
Light absorbing molecules known as ___________ are found in the _______ of plant cells.
Pigments Chloroplasts
26
How do the light dependent reactions differ from the light independent reactions?
Light dependent: occurs in the thylakoids; splits water and uses electrons to generate energy; creates oxygen Light independent: occurs in the stroma and uses energy from electron carriers to turn carbon dioxide into glucose
27
The three reasons a cell divides are
1. Too much waste 2. Too little food 3. Too much stress on the DNA
28
Describe the phases of the cell cycle in the order they occur.
**Interphase:** G1, S, G2 (G 1 & 2 - growth, S - synthesis) **Mitosis (PMAT)** Prophase - nuclear membrane dissoves, chromatin turns into chromosomes, spindle fibers form Metaphase - chromosomes line up in the middle of the cell Anaphase - chromosomes separate and pull chromatid to opposite ends of cell Telophase - two nuclei form around chromosomes, spindles disappear, centrioles sleep **Cytokinesis:** division of the cytoplasm
29
What is the difference between the cell cycle and cell division?
Cell Cycle: includes interphase, mitosis, and cytokinesis Cell Division: includes only mitosis and cytokinesis
30
Cancer occurs because of
Uncontrolled cell growth due to DNA damage (mutation)
31
Compare and contrast mitosis and meiosis
Mitosis: 2 genetically identical diploid cells; makes somatic (body) cells; only 1 division Meiosis: 4 genetically different haploid cells; creates gametes (sex cells); 2 divisions
32
Diploid and haploid refer to
Diploid - 2 sets of each chromosome (2n); body cells Haploid - 1 set of each chromosome
33
Genetic variation during meiosis occurs primarily through which two methods?
Crossing over during Prophase I Independent assortment of chromosomes
34
Compare and contrast DNA and RNA
DNA: deoxyribose sugar, double stranded, contains thymine RNA: ribose sugar, single stranded, contains uracil
35
The three types of RNA are
mRNA (messenger) - takes DNA code to ribosome from nucleus tRNA (transfer) - brings amino acids to ribosome rRNA (ribosomal) - makes up the ribosome
36
What type of RNA would you expect to find in the nucleus?
mRNA
37
How do transcription and translation differ? They are both part of which process?
Transcription: occurs in nucleus, DNA code copied to mRNA Translation: occurs at the ribosome, mRNA code used to make proteins Protein synthesis
38
The physical characteristics of an organism
Phenotype
39
The alleles for a trait
Genotype
40
Pick out the homozygous genotypes from the following list: AA, Tt, gg, Ff, Jj, kk, Ll, mm
AA, gg, kk, mm
41
Type of inheritance where a heterozygote has a phenotype in between the two homozygous phenotypes
Incomplete dominance
42
Type of inheritance where a heterozygote will display both the dominant and recessive traits
Codominance
43
When there is more than one gene that controls a particular trait
Polygenic inheritance
44
When there are more than two alleles for one trait (ex. Blood type)
Multiple alleles
45
What did Darwin observe in his publications?
He observed variations in traits that organisms had on his travels and determined that individuals had traits that suited their environment because it gave them an advantage over those that didn't have that trait.
46
The ability to survive and reproduce
Fitness
47
All of the collective alleles in a population
Gene pool
48
Study of classification and naming
Taxonomy
49
Binomial nomenclature consists of the
Genus and species
50
List the taxonomic levels in order from most broad to most specific
Domain, Kingdom, Phylum, Class, Order, Family, Genus, Species
51
Ball and socket, hinge, sliding, and immobile are all types of
Joints
52
Where would you find a ball and socket joint?
Hips and shoulders
53
Your elbows and knees are examples of
Hinge joints
54
Your wrist is an example of a _______ joint
Sliding
55
Immobile joints can be found in
Your skull
56
The functions of the _____ system are to support your body, provide structure, store minerals, and provide protection
Skeletal
57
Compare tendons and ligaments
Tendons - bone to muscle Ligament - bone to bone
58
Movement muscles located next to bones Striated Voluntary control Which type of muscle?
Skeletal
59
Only in the heart Striated Involuntary control Which type of muscle?
Cardiac
60
Hollow organs and blood vessels Not striated Involuntary control Which type of muscle?
Smooth
61
The circulatory system includes the
Heart, blood vessels, lymph nodes, lymphatic vessels, and blood
62
The function of the ______ system is to transport nutrients and oxygen throughout the body
Circulatory
63
Describe the function of the lymphatic system.
Filters fluid, collects lost fluid and returns it to the circulatory system, transports fat-soluble vitamins
64
How do arteries, veins, and capillaries differ?
Arteries - away from the heart, high pressure, thick walls of smooth muscle, no valves Veins - take blood back to heart, low pressure, thin walls with little smooth muscle, has valves present to prevent backflow of blood Capillaries - small blood vessels that connect veins and arteries
65
During which processes will water be lost from the body
Respiration, excretion (sweating/urination)
66
Compare/contrast chemical and mechanical digestion
Chemical digestion - occurs when enzymes and other chemicals break down material; occurs in mouth (salivary amylase) and stomach (pepsin and hydrochloric acid) Mechanical digestion - physical breakdown of material
67
# Fill in the missing pieces Mouth --\> ________ --\> Esophagus --\> Stomach --\> _______ --\> ________ --\> Rectum --\> \_\_\_\_\_\_
Pharynx, Small Intestine, Large Intestine, Anus
68
How does sugar get broken down during digestion? Where?
Salivary amylase in the mouth
69
\_\_\_\_\_ and _____ occur in the kidney in order to filter blood
Filtratrion and absorption
70
Why is testosterone important to the body?
Necessary for the development of sperm and secondary sex characteristics
71
How many bones are in an adult human skeletal?
206
72
Describe how an impulse travels down a neuron and gets across the synapse to the next neuron.
As an impulse gets to the axon terminals of the nerve, they stimulate the release of neurotransmitters that travel to the dendrites of the next neuron. As the neurotransmitters are picked up by the dendrites, they initiate another impulse in the second neuron.
73
\_\_\_\_\_\_\_\_ increase heart rate, breathing, and blood pressure while _____ descrease heart rate, breathing, and blood pressure.
Stimulants Depressants
74
How do enzymes affect the speed of a reaction?
They increase the reaction rate by lowering the activation energy.
75
Name and describe three ways bacteria are classified.
Shape, arrangement, ways of obtaining energy, where they are found, makeup of the cell wall
76
Cocci, bacilli, and spirilla are which shapes?
Cocci - spherical Bacilli - rod Spirilla - spiral
77
A disease-causing organism
Pathogen
78
Which type of test is used to separate the two bacterial kingdoms?
Gram staining | (gram positie = purple, gram negative = red)
79
What are some ways bacteria are helpful to humans?
Occupy human body (*E. coli* in intestines help to digest food, bacteria on the skin compete with other organisms), clean up oil spills, mine minerals, make antibiotics, used in food production
80
Describe the basic structure of a virus.
Nucleic acid (DNA or RNA) surrounded by a protein coat (capsid)
81
Why are viruses not classified as living?
They are not made up of cells and cannot reproduce or maintain a metabolism on their own
82
Cumulates in the death of the host cell; viruses burst from the dying host
Lytic cycle
83
Does not destroy the host cell, genetic material is copied
Lysogenic cycle
84
Strep throat, tuberculosis, anthrax, staph infections, food poisoning, tetanus, and bubonic plague are all types of _______ diseases
Bacterial
85
The common cold, influenza, SARS, AIDS, hepatitis, and ebola are caused by
Viruses
86
_Can_ be treated by antibiotics and prevented with vaccines
Bacterial diseases
87
_Cannot_ be treated with antibiotics but can be prevented with vaccines
Viral diseases
88
The role an organism plays in its environment and how it interacts with its surroundings and ecosystem
Niche
89
Where an organism lives
Habitat
90
When an ecosystem is replaced by another ecosystem after some event that destroys everything including the soil
Primary succession
91
Describe secondary succession
When an ecosystem is replaced by another after some event that does not destroy the soil (ex. Farming, fires)
92
How much energy is transferred from one trophic level to the next? What happens to the rest?
10% Lost as heat
93
The process of converting atmospheric nitrogen into forms that are usable by other organisms
Nitrogen fixation
94
Study of life
Biology
95
Only eats producers
Herbivore
96
Omnivores eat
Both plants (producers) and animals (consumers)
97
Eats only other consumers
Carnivore
98
Breaks down dead and decaying materials
Decomposers
99
Compare mutualism, commensalism, and parasitism
Mutualism - both organisms benefit Commensalism - one benefits and the other is neither harmed nor helped Parasitism - one organism lives and feeds on another organism
100
Carrying capacity is used to determine _______ because
Whether or not a population can increase At carrying capacity, resources become more limited
101
What is penicillium
A fungus that produces an antibiotic (penicillin)
102
Ringworm, athlete's foot, thrush, zygomycosis, and yeast infections are caused by
Fungi
103
What are some diseases caused by protists?
Malaria (*Plasmodium*), toxoplasmosis (*Toxoplasma*), cryptosporidium (*Cryptosporidium*), African sleeping sickness (*Trypanosoma*), Amoebic dysentery (*Entamoeba*)
104
A symbiotic relationship between a fungi and an algae OR a fungi and a cyanobacteria
Lichen
105
How do angiosperms reproduce?
Reproduces using flowers
106
Vascular bundles scattered in stem
Monocots
107
Vascular bundles form a ring
Dicot
108
Flower petals are in multiples of 3
Monocot
109
Leaf veins form a branched pattern
Dicot
110
Leaf veins form a parallel pattern
Monocot
111
Flower petals in multiples of four or five
Dicot
112
How do stomata work?
Stomata open during the day when there is sufficient water available They close at night They are openings that allow gas exchange to occur for photosynthesis
113
Which type of tropism causes plants to move towards the light?
Phototropism
114
Plants respond to gravity through \_\_\_\_\_\_, which ensures the plant grows up out of the ground and the roots grow into the ground
Gravitropism
115
Plants are able to respond to touch through
Thigmotropism
116
What type of leaves would be good for limited sun availability?
Broad flat leaves
117
What type of leaves would be good for cold weather?
small, needle-like leaves
118
How are protists classified?
By how they obtain their food
119
Plant-like protists are classified based on
Color
120
Animal like protists are classified based on
How they move
121
Fungus like protists are classified based on
How they reproduce
122
Cephalization means
Having sensory organs located in the front (has a head)
123
True or false: endotherms are able to control their body temperatures internally
True
124
The skeleton is located on the outside
Exoskeleton
125
Endoskeletons are located
on the inside of the body

Pre-AP Biology 101 (12 decks)

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