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WorksheetsBiology Review - 3
Total questions: 97
Worksheet time: 52mins
What part did Rudolf Virchow add?
All organisms are composed of 1 or more cells
Cells come from existing cells
All existing cells are produced by other living cells
What parts of the cell theory did Matthias Schleiden and Theodor Schwann?
All organisms are composed of 1 or more cells
Cells come from existing cells
All existing cells are produced by other living cells
Prokaryotic cells have their DNA suspended in cytoplasm and are bacteria cells.
True
False
What type of cell are prokaryotes?
Unicellular
Multicellular
Both
Neither
Eukaryotes are what type of cell?
Unicellular
Multicellular
Both
Neither
Eukaryotic Cells are have a nucleus and membrane bound organelles
True
False
Endosymbiotic Theory
About 1.4 billion years ago, prokaryotic cells were "swallowed" by larger cells, but not digested
About 1.5 billion years ago, prokaryotic cells were "swallowed" by larger cells and digested
About 1.4 billion years ago, prokaryotic cells were "swallowed" by larger cells and digested
About 1.5 billion years ago, prokaryotic cells were "swallowed" by larger cells, but not digested
Endosymbiotic Theory
Mitochondria and Chloroplasts are similar in size to bacteria
Some bacteria have a double set of membrane like mitochondria and chloroplast
Mitochondria and chloroplast have their own ribosomes and chromosomes (DNA)
Mitochondria and chloroplast have circular DNA like bacteria
Mitochondria and chloroplast can copy themselves within the cell in which they are found
Phospholipids have a polar head and a nonpolar tail with in the membrane
True
False
Is the cell membrane apart of the cell to cell recognition?
Yes
No
Kind of
Where are you least likely to find water in the structure?
A
B
C
E
Which parts of this compound light microscope with clean lenses should be used to improve the quality of the image being observed in the high power field of view.
Diaphragm and fine adjustment knob
Coarse adjustment knob and low power objective
Ocular (eyepiece) and high-power objective
Ocular and diaphragm
What part of microscope regulates the amount of light on the specimen?
Diaphragm
Light source
Stage clips
Pointers tip
What part of the microscope is called contains the ocular lens?
Nosepiece
Objective lenses
Eyepiece
Base
What part of the microscope holds the high and low power objective lenses; can be rotated to change magnification?
Eyepiece
Nosepiece
Diaphragm
Eye piece
Never use this objective on high power
Fine
Large
Course
A compound light microscope will use ----- or more lenses at the same time.
1
2
3
What part of the microscope moves slightly to sharpen the image?
Light source
Stage clips
Fine adjustment knob
Coarse adjustment knob
If you are standing at the bottom of a hill (low) and I have a big boulder that I push to the top of the hill (high), would that be active or passive transport? Why?
Passive because passive molecules move from low to high concentration
Active because active molecules move from low to high concentration
Passive because passive molecules move from high to low concentration
Active because active molecules move from high to low concentration
If you are standing at the top of a hill (high) and I have a big boulder that I let slide to the bottom of the hill (low), would that be active or passive transport? Why?
Passive because passive molecules move from low to high concentration
Active because active molecules move from low to high concentration
Passive because passive molecules move from high to low concentration
Active because active molecules move from high to low concentration
What do you think plants going through plasmolysis look like?
Wilted
Full
Somewhere in between
Other
What would be a "real life" example of diffusion be? (Not something to for with cells)
Doors
Windows
Perfume
Migration
Why can only nonpolar molecules diffuse across the plasma membrane?
Because they don't have a charge
Nonpolar don't interact with water so it can't go through.
Because they have a charge
Polar interacts with water so it can go through.
How many ions does the sodium-potassium pump and where?
2 sodium ions in. 3 potassium ions out.
3 sodium ions in. 2 potassium ions out. ions out.
2 sodium ions out, 3 potassium ions in
3 sodium ions out, 2 potassium ions in
What causes molecules to scatter and collide?
Molecule movement
Concentration
Concentration Gradient
Which of the following moves molecules along the concentration gradient, but does NOT require the help of a membrane protein?
Facilitated diffusion
Simple diffusion
Osmosis
Phagocytosis
Active transport
If a person were to hyperventilate and breathe really shallow breaths, there would be a significant
Increase in carbon dioxide in the pulmonary vein
Increase in the amount of hemoglobin in the blood
Decrease in oxygen in the pulmonary artery
Increase in carbon dioxide in the pulmonary artery
The smallest blood vessels are called ____ and this is where oxygen transfers to the bloodstream.
Arteries
Capillaries
Veins
In aerobic respiration enzymes and carriers line the membrane of the mitochondria. The electrons move to lower energy levels until the final acceptor arrives which is
Hydrogen
Nitrogen
Oxygen
Phosphorus
Carbon dioxide
The brain coordinates responses between systems to maintain homeostasis. Increase levels of physical activity would increase the amount of CO2 in the blood, and the brain would
Urinary system
Respiratory system
Immune system
Integumentary system
What body system are platelets a part of?
Respiratory
Circulatory
Digestive
Which statement most accurately describes the process of respiration?
It occurs only in plants during daylight hours and involves ingestion of preformed organic molecules
It occurs only in plants during daylight hours and usually involves an exchange of gases
It occurs continuously in the cells of all organisms and involves the synthesis of organic molecules
It occurs continuously in the cells of all organisms and usually involves an exchange of gases
Three species of bacteria produce different respiratory products. Species A always produces ATP, CO2 and water. Species B always produces ATP, ethyl alcohol, and CO2.S species C always produces oxygen. Why does this take place? (Choose ALL that apply)
Species A and B are anaerobic
Species C is photosynthetic
Species B us anaerobic
Species A is aerobic
Alveoli are surrounded by ___, where oxygen enters the blood and carbon dioxide exits the blood.
arteries
Capillaries
veins
lymphatic vessel
A living organism has just been identified as being a heterotopic unicellular eukaryote, living in a dark, anaerobic environment. Identify the characteristics of cell respiration that would further describe this organism.
Converts glucose to lactic acid without producing ATP
Produces oxygen and glucose without making ATP
Produces ethyl alcohol, carbon dioxide, and ATP
Produces glucose and ATP
Energy released by the electron transport chain is used to pump H+ ions into which location?
Cytoplasm
Mitochondrial outer membrane
Mitochondrial inner membrane
Mitochondrial intermembrane space
Mitochondrial matrix
Who actually discovered that chromosomes are made up of DNA?
Rosalind Frankiln
James Watson
Francis Crick
Who was credited for discovering that chromosomes are made up of DNA?
Rosalind Frankiln
James Watson
Francis Crick
Adenine pairs with
Cytosine
Thymine
Guanine
Cytosine pairs with
Adenine
Thymine
Guanine
Guanine pairs with
Adenine
Thymine
Cytosine
Thymine pairs with
Adenine
Guanine
Cytosine
DNA is composed of sugar, phosphate, and a base
True
False
DNA is composed of sugar and a base
True
False
DNA bases are adenine, thymine, cytosine, and guanine
True
False
DNA bases are adenine, uracil, cytosine, and guanine
True
False
Hydrogen bonds are located between the nitrogen bases.
True
False
Run in opposite directions
antiparallel
parallel
Do larger cells move as far as smaller cells
Yes - they have the same speed
No - larger cells are slower
Yes - larger cells are slower
No - they have the same speed
Do you think you could 100% say that a person committed a crime based upon their DNA fingerprint alone?
Yes because someone might have very similar DNA to someone else
No because someone might have very similar fingerprint to someone else
No because someone might have very similar DNA to someone else
Yes because everyone's DNA is unique
The types of enzymes produced in a cell are regulated by the
size of nucleotides in DNA molecules
location of DNA molecules
order of nucleotides in DNA molecules
shape of DNA molecules
When are normal cells programmed to die?
After 48 divisions
After 49 divisions
After 50 divisions
After 51 divisions
After 52 divisions
Do cells have to pass a checkpoint to divide? If yes, what allows them to pass?
No, as long as they have enough nutrients, adequate size, and relatively undamaged DNA, they don't need a checkpoint
No, they don't need anything to pass
Yes, they don't need anything to pass
Yes - enough nutrients, adequate size, and relatively undamaged DNA
What do bases always connect too?
Bases
Sugar
Hydrogen bonds
Phosphates
What does the complementary bond run through?
1'-5'
2'-5'
3'-5'
4'-5'
5'-5'
What would be the weakest part of the hydrogen bond?
Sugar
Nitrogen bases
Phosphate
Hydrogen bond
A chain of amino acids.
Peptide
Polypeptide
Protein
How can you catch a virus?
Exchanging Bodily fluids
Insects and animals
Inhalation
Symptoms of a virus
Low grade fever
Nausea
Loss of appetite
Muscle ache
Fatigue
Are retrovirus easy to create a vaccine for?
Yes
No
Which of the following does bone marrow create?
RBC
WBC
Platelets
Amino acids linked together to form a protein by preforming which type of reaction?
Diffusion
Respiration
Dehydration Synthesis
Hydrolysis
Decomposition
Since the early 1930's and the invention of the electron microscope, scientists have learned a tremendous amount about viruses like Ebola and poliovirus. These scientist would be called
Ecologist
Virologist
Pathologist
Neurologist
Is a virus living or nonliving?
Living
Nonliving
Other
Why is it so difficult to create a vaccine for HIV?
It is hard to get a weakened version
The virus doesn't mutate often
It's easy to create a vaccine
The virus mutates often
What year was Smallpox eradicated?
1977
1978
1979
1980
1981
How can seeds of fruit be dispersed?
Animals
Water
Wind
Rain
Are fruits dry or mature fleshy?
Dry
Fleshy
Both
Is the X chromosome larger than the Y chromosome?
Yes
No - the y chromosome is larger than the X chromosome
What is energy is depicted in?
Kilocalories
Micro calories
Joules
Watts
Calories
An interaction in which one organism captures and feeds on another organisms is called
Symbiosis
Predation
Mutualism
Competition
Which would be least likely to be affected by a density-dependent limiting factor?
A large, dense population
A small, scattered population
A population with a high birth rate
A population with a high migration rate
The carrying capacity of a population is the minimum number of individuals that is needed to prevent a population from disappearing.
True
False
The organisms on Earth do not run out of raw materials because
Every chain begins with a producer
All populations within a community interact
All raw materials are recycled by various processes in an ecosystem
Energy is passed between organisms as food when one organism feeds on another
Green plants are
Omnivores
Producers
Herbivores
Consumers
Limiting factors determine the maximum number of individuals in a population that can be supported by the environment
True
False
The branch of biology dealing with interactions among and between organisms and their environment is called
Ecology
Economy
Recycling
environmentalism
What is one difference between primary and secondary succession?
Primary succession is slow and secondary succession is rapid
primary succession modifies the environment and secondary succession is not
Secondary succession begins with lichens and primary succession begins with trees
Secondary succession begins on soil and primary succession begins on newly exposed surfaces
71. Multiple-ch
The symbiotic relationship between a flower and the insect that feeds on its nectar is an example of
Predation because the insect feeds on the flower
Parasitism because the insect lives off the nectar from the flower
Mutualism because the flower the flower provides the insect with food, and the insect pollinates the flower
Commensalism because the insect does not harm the q and flower does not benefit from the relationship
The diagram represents a food web. An insecticide is used to destroy most of the leaf beetles. What will most likely happen?
The grasshopper population will have more available food.
The population of large birds will die
Small birds will avoid poisoned insects by preying on frogs
Leaf beetles will multiply rapidly, providing more food for small birds
All of the interconnected feeding relationships in an ecosystem make up a food
Web
Chain
Network
Interaction
The combined portions of Earth in which all living things exist is called the
Biome
Biosphere
Population
Atmosphere
Which is a biotic factor that affects the size of a population in a specific ecosystem?
Type of soil in the ecosystem
Average temperature of the ecosystem
Concentration of oxygen in the ecosystem
Number and kinds of predators in the ecosystem
Most protists are what?
Aquatic
Terrestrial
If 98 out of 200 individuals in a population express the recessive phenotype, what frequency of the alleles are dominant?
.3
.42
.49
.7
.09
In a population of starfish, there were 198 out of 400 starfish that had the recessive genotype. After a hurricane, half of the population was wiped out randomly. Only 72 of the remaining 200 starfish had the recessive genotype. What is the frequency of the heterozygotes in each of the populations?
Population 1 = .495 Population 2 = .36
Population 1 = .2964 Population 2 = .4
Population 1 = .0878 Population 2 = .16
Population 1 = .4171 Population 2 = .48
If 98 out of 200 individuals express the recessive phenotype, what percent of the population would you predict the heterozygotes
42%
49%
9%
70%
30%
A flower with the following genotype self pollinates: AaBbDDee What is the chance that it will produce an offspring with AaBbDDEe genotype?
1/256
1/16
1/2
1/4
0
Petal color in snapdragon is inherited as a result of incomplete dominance. A red snapdragon is crossed with a white snapdragon. In the F2 generation, plants were counted according to their flower color. There were 30 red, 65 pink, and 21 white flower plants. What was the value if chi squared for the F2 generation?
.0345
.8448
2.2069
3.0862
None of the above
A flower with the following genotype self pollinates: AaBbDDee. What is the chance that it will produce an offspring with AAbbDDee?
1/16
0
1/4
1/2
1/8
A snapdragon with the following genotype self pollinates. AaBbDdEeGg. What is the chance that it will produce an offspring that is heterozygous for all of the traits?
1/32
1/1024
1/256
1/16
0
What is the probability that two parents, one who is homozygous dominant and one who is heterozygous; to have an offspring that is a carrier for a recessive trait?
0%
100%
50%
25%
A man of AB blood type marries a woman who is also type AB blood. What is the chance that they will have a CHILD with type A blood?
75%
100%
50%
25%
Two flowers are crossed with each of the following genotypes: AaBbDdEeGg x aabbDdeeGg. What is the chance they will produce an offspring that is homozygous recessive for all of the traits?
1/32
1/1024
1/256
1/64
1/128
Freckles, Dimples, Widow's Peak
Codominance
Polygenic
Complete dominance
Incomplete dominance
Skin Color, Hair Color, Intelligence
Codominance
Polygenic
Complete dominance
Incomplete dominance
A poker-dealing machine is supposed to deal cards are random, as if from an infinite deck. In a test, you counted 1600 cards, and observed the following:
Spades: 406
Hearts: 418
Diamonds: 406
Clubs: 370
What is the chi squared value?
(a)
