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What are clathrin, copi and copii types of?
sciq-00100
[ "artery coats", "replication coats", "vesicle coats", "pathogen coats" ]
C
What is the name for the force that attracts water molecules to other polar substances?
sciq-00101
[ "osmosis", "adhesion", "aeration", "diffusion" ]
B
All alkaline earth metals have similar properties because they all have two what?
sciq-00102
[ "balanced electrons", "valence electrons", "caesium electrons", "transitions electrons" ]
B
A solenoid or coil wrapped around iron or certain other metals can form what kind of magnet?
sciq-00103
[ "superconductor", "electromagnet", "polarized magnet", "permanent magnet" ]
B
Is the yolk more or less concentrated toward the animal pole?
sciq-00104
[ "more concentrated", "no change", "same concentrated", "less concentrated" ]
D
What are the location where bones come together?
sciq-00105
[ "fingers", "joints", "muscles", "Knees" ]
B
What term denotes lower levels of exposure, for instance to radiation, over a longer period of time?
sciq-00106
[ "excess exposure", "non-exposure", "chronic exposure", "recent exposure" ]
C
What causes water molecules to stay close to each other?
sciq-00107
[ "surface tension", "hydrogen bonding", "oxidation", "friction" ]
B
What is the main cause of recent global warming?
sciq-00108
[ "insect overpopulation", "ice ages", "solar flares", "human beings" ]
D
In solids, particles can't overcome the force of attraction between them because they lack what?
sciq-00109
[ "gravity", "momentum", "kinetic energy", "residual energy" ]
C
What are the organelles where the process of photosynthesis takes place in plants and algae.
sciq-00110
[ "ribosomes", "fibroblasts", "chloroplasts", "mitochondria" ]
C
What process occurs when two alleles are expressed equally in the phenotype of the heterozygote?
sciq-00111
[ "codominance", "codependence", "fertilization", "pollenation" ]
A
Magnetic poles always occur in pairs - what are the names of each pole?
sciq-00112
[ "prime and equator", "north and south", "tropic and arctic", "southwest and south" ]
B
Anemia is a disease that affects what?
sciq-00113
[ "brain", "heart", "kidney", "blood" ]
D
The end of a pine tree branch bears the male cones that produce what?
sciq-00114
[ "flowers", "needles", "spores", "pollen" ]
D
What is the material inside the cell membrane called?
sciq-00115
[ "mucus", "cerebellum", "cytoplasm", "chloroplasm" ]
C
The energy stored in the organic molecules of food ultimately comes from where?
sciq-00116
[ "plant", "sun", "earth", "ocean" ]
B
Sulfur dioxide produced by burning coal is the leading cause of what deadly phenomenon?
sciq-00117
[ "hail", "dioxide rain", "acid rain", "carbon rain" ]
C
When an eagle, a land eater, goes and gets fish from the sea, as well, its called?
sciq-00118
[ "descending food web", "food chain mixing", "overlapping food source", "overlapping food web" ]
D
Where the axon emerges from the cell body, there is a special region referred to as the what?
sciq-00119
[ "cellular hillock", "dendrite", "axon hillock", "axosomatic synapse" ]
C
The specialized study of the motion of objects that are atomic/subatomic in size is called what?
sciq-00120
[ "atomic mechanics", "quantum mechanics", "enthalpy", "string theory" ]
B
Circadian rhythms and migration are examples of which behaviors?
sciq-00121
[ "cyclic", "regular", "natural", "periodic" ]
A
Acids are classified based on their what?
sciq-00122
[ "solvency", "ionization in water", "reaction to gas", "diffusion in water" ]
B
What type of muscle enables the body to move?
sciq-00123
[ "Latissimus Dorsi", "Sartorius", "skeletal muscle", "gluteus maximus" ]
C
What results when volcanic ash encircles the globe, blocking the sun and lowering the temperature of the entire planet?
sciq-00124
[ "seismic apocalypse", "volcanic freeze", "volcanic winter", "seismic winter" ]
C
Oxygen and glucose are both reactants in the process of
sciq-00125
[ "birth", "death", "cellular respiration", "reproduction" ]
C
Why does the moon evolve around the earth rather than the sun?
sciq-00126
[ "stronger magnetic force", "stronger gravitational force", "stronger planetary force", "weaker gravitational force" ]
B
What is an area in a body of water where nothing grows because there is too little oxygen known as?
sciq-00127
[ "deceased zone", "cold zone", "dead zone", "missing zone" ]
C
Most air pollutants can be traced to what source ?
sciq-00128
[ "fossil fuels", "chemical pollution", "methane", "ozone leaks" ]
A
A species become separated and becomes two separate species. what can they not do anymore?
sciq-00129
[ "eat", "defecate", "grow", "breed" ]
D
A phase diagram plots pressure and what else?
sciq-00130
[ "temperature", "oxygen", "volume", "precipitation" ]
A
What occurs when the immune system reacts to substances in food as though they were harmful “foreign invaders"?
sciq-00131
[ "food antibodies", "food poisoning", "vomiting", "food allergies" ]
D
Recycling items actually takes more energy than what other conservation methods that start with "r"?
sciq-00132
[ "reducing and reusing", "reusing and reordering", "revision and remembrance", "reducing and regurgitating" ]
A
What science studies chemical processes that are found in living things?
sciq-00133
[ "marine biology", "physiology", "psysiology", "biochemistry" ]
D
Nonmetals typically lack what capability, because they hold onto their electrons?
sciq-00134
[ "conducting electricity", "magnetic attraction", "mental capacity", "repelling electricity" ]
A
What is the process called in which populations of organisms change over time?
sciq-00135
[ "generation", "evolution", "emergence", "mutation" ]
B
An environment reaches its carrying capacity when the number of individual births in it equal the number of what else?
sciq-00136
[ "infections", "deaths", "insects", "homes" ]
B
Pulmonary and systemic circulation loops are part of what organ system?
sciq-00137
[ "nervous", "lymphatic", "cardiovascular", "circulatory" ]
C
What are materials that cannot conduct thermal energy efficiently known as?
sciq-00138
[ "convection insulators", "atmospheric insulators", "physical insulators", "thermal insulators" ]
D
The temporomandibular joint (tmj) is the joint that allows for opening (mandibular depression) and closing (mandibular elevation) of this?
sciq-00139
[ "eyes", "mouth", "ears", "nose" ]
B
What gas consisting of three oxygen atoms is found largely in the stratosphere?
sciq-00140
[ "ozone", "carbon", "smog", "greenhouse" ]
A
Esters can be formed by heating carboxylic acids and alcohols in the presence of?
sciq-00141
[ "an oxygen catalyst", "a nuclear catalyst", "an carbon catalyst", "an acid catalyst" ]
D
Glucose that remains in the filtrate of what organ is excreted?
sciq-00142
[ "kidney", "spleen", "liver", "intestine" ]
A
What part of a plant helps it reproduce by being ejected from flowers and fruits?
sciq-00143
[ "seeds", "roots", "berries", "cells" ]
A
Energy contents of foods are often expressed in what?
sciq-00144
[ "grams", "nutrients", "calories", "pulses" ]
C
The plasma membranes of cells that specialize in absorption are folded into fingerlike projections called what?
sciq-00145
[ "digits", "microvilli", "epithelial", "flagella" ]
B
Sweating and panting are methods mammals use for what purpose?
sciq-00146
[ "staying alert", "staying cool", "sleeping", "staying warm" ]
B
A closed loop through which a current can flow is called what?
sciq-00147
[ "powered circuit", "electric circuit", "charged circuit", "cooling circuit" ]
B
Unsaturated hydrocarbons with at least one triple bond are known as?
sciq-00148
[ "alkynes", "benzenes", "alkenes", "aromatic hydrocarbons" ]
A
What two types of organism make up a lichen?
sciq-00149
[ "fungus and bacteria", "animals and viruses", "insects and bacteria", "snakes and bacteria" ]
A
The cell regulates most molecules that pass through what cell structure?
sciq-00150
[ "cell membrane", "protective wall", "ribosome", "plasma" ]
A
What are groups of skeletal muscle fibers wrapped in?
sciq-00151
[ "tendons", "connective tissue", "collagen", "neurons" ]
B
Density is considered what type of property, because it does not depend on the amount of material present in the sample?
sciq-00152
[ "intensive property", "independent variable", "exensive property", "experimental property" ]
A
Prior to binding to a hormone, where are steroid hormone receptors located?
sciq-00153
[ "reticulum", "cortisol", "hypothalamus", "cytosol" ]
D
Which scale measures acids and bases and has 7 as a neutral value?
sciq-00154
[ "respiration", "color", "ph", "rock" ]
C
What do we call people who are trained to make specific dietary recommendations to address particular issues relating to health?
sciq-00155
[ "clinicians", "geologists", "pulmonologists", "dietitians" ]
D
An artery is a blood vessel that conducts blood away from the what?
sciq-00156
[ "stomach", "heart", "brain", "lung" ]
B
The small amount of energy input necessary for all chemical reactions to occur is called what?
sciq-00157
[ "distinct energy", "activation energy", "nuclear energy", "decomposition energy" ]
B
What linear polymer of glucose units is found in plants and serves a structural purpose?
sciq-00158
[ "cellulose", "carbonate", "frucose", "sucrose" ]
A
When the temperature of water is increased after being used in cooling, it is this form of pollution?
sciq-00159
[ "air", "cosmic", "thermal", "atmospheric" ]
C
Which biological system is responsible for getting rid of chemical waste and water?
sciq-00160
[ "mucous system", "digestive system", "endocrine system", "urinary system" ]
D
What part of the body protects the brain?
sciq-00161
[ "cranium (skull)", "lungs", "arms", "feet" ]
A
Ammonium nitrate and ammonium sulfate are used in fertilizers as a source of what?
sciq-00162
[ "bacteria", "biofuel", "oxygen", "nitrogen" ]
D
What kind of light bulb has a tungsten filament?
sciq-00163
[ "translucent", "sodium", "fluorescent", "incandescent" ]
D
What is the name for the circle that runs north to south and passes through greenwich, england?
sciq-00164
[ "prime meridian", "odd meridian", "time zone", "equator" ]
A
What map coordinates correspond to similar climate zones and life zones?
sciq-00165
[ "altitude and latitude", "equator and poles", "the poles", "latitude and longitude" ]
A
In myasthenia gravis, antibodies bind to and block certain receptors on muscle cells, preventing what?
sciq-00166
[ "muscle diffusion", "muscle layer", "muscle contraction", "muscle buildup" ]
C
What helps cells reduce their reaction to excessive hormone levels?
sciq-00167
[ "adhesion", "downregulation", "apoptosis", "evaporation" ]
B
Smog is an example of the formation of what kind of pollutant, which occurs when primary pollutants undergo chemical reactions after they are released?
sciq-00168
[ "secondary pollutant", "combined pollutant", "primary pollutant", "tertiary pollutant" ]
A
What occurs when a sperm and an egg fuse?
sciq-00169
[ "fertilization", "pollination", "infection", "migration" ]
A
How many bases does dna have in total?
sciq-00170
[ "six", "three", "twelve", "four" ]
D
Compound machines tend to have a greater mechanical advantage than what other machines?
sciq-00171
[ "simple machines", "magnets", "digital machines", "levers" ]
A
Name the missing type of light: ultraviolet, infrared, ___________.
sciq-00172
[ "vertical", "visible", "distinct", "predictable" ]
B
When a binary acid only has one acidic hydrogen it is known as what?
sciq-00173
[ "xerophyte", "spirogyra", "monoprotic", "triprotic" ]
C
Seedless nonvascular plants are small. the dominant stage of the life cycle is the gametophyte. without a vascular system and roots, they absorb water and nutrients through all of their exposed surfaces. there are three main groups: the liverworts, the hornworts, and these?
sciq-00174
[ "algae", "mosses", "mildew", "lichens" ]
B
What is a protein containing four subunits that transports oxygen throughout the body?
sciq-00175
[ "collagen", "keratin", "hemoglobin", "insulin" ]
C
Molecules that are in continuous motion, travelling in straight lines and changing comprise what state of matter?
sciq-00176
[ "gases", "liquids", "solids", "plasma" ]
A
The recombination frequency is the percentage of recombinant flies in the total pool of what?
sciq-00177
[ "species", "samples", "offspring", "immigrants" ]
C
Nuclear fusion is a reaction in which two nuclei are combined to form a larger nucleus. it releases energy when light nuclei are fused to form medium-mass nuclei. • fusion is the source of energy in what?
sciq-00178
[ "orbits", "stars", "Space", "galaxies" ]
B
What are polymers of amino acids called?
sciq-00179
[ "monopeptides", "polypeptides", "polysaccharides", "ribosomes" ]
B
Currently, the only known stable systems undergoing fusion are what?
sciq-00180
[ "interiors of stars", "black holes", "plant cells", "gas planets" ]
A
Displacement is the separation between a beginning position and what other place?
sciq-00181
[ "current position", "final position", "first position", "made position" ]
B
Cellular respiration that proceeds in the absence of oxygen is called what?
sciq-00182
[ "perspiration", "exasperation", "anaerobic respiration", "aerobic respiration" ]
C
What is made in the liver and excreted in urine?
sciq-00183
[ "plasma", "urea", "feces", "blood" ]
B
Name two differences between a larval staged frog and an adult frog.
sciq-00184
[ "tadpoles lack legs and have gills", "tadpoles lack eyes and fins", "tadpoles have legs and gills", "tadpoles lack legs and gills" ]
A
What kind of energy can both cause cancer and help in detecting and treating it?
sciq-00185
[ "heat", "radiation", "wind", "electricity" ]
B
What was probably the earliest way of making atp from glucose?
sciq-00186
[ "photosynthesis", "fermentation", "amniocentesis", "glycolysis" ]
D
What is the process in which a substance naturally moves from an area of higher to lower concentration called?
sciq-00187
[ "convection", "activation", "osmosis", "diffusion" ]
D
What is the internal ph of most living cells?
sciq-00188
[ "close to 6", "close to 7", "close to 5", "close to 9" ]
B
What law states whenever one body exerts a force on a second body, the first body experiences a force that is equal in magnitude and opposite in direction to the force that the first body exerts?
sciq-00189
[ "equilibrium in forces", "law of gravity", "law of inertia", "symmetry in forces" ]
D
What does the bicoid protein activate?
sciq-00190
[ "spontaneous mutation", "enzyme respiration", "several gap genes", "amino acid production" ]
C
How do roundworms reproduce?
sciq-00191
[ "sexually", "biologically", "asexually", "sporadically" ]
A
Intraspecific competition occurs between members of the same what?
sciq-00192
[ "species", "specimens", "genus", "phylum" ]
A
What is the term for the long-time average of weather?
sciq-00193
[ "scale", "landscape", "evolution", "climate" ]
D
What is the most common form of ocean life?
sciq-00194
[ "phytoplankton", "zooplankton", "protazoa", "plankton" ]
D
What is the name of the chart that makes it easy to find the possible genotypes in offspring of two parents?
sciq-00195
[ "Isotropic Square", "malecela square", "brindle square", "punnett square" ]
D
What term is used to describe the process of finding the location of genes on each chromosome?
sciq-00196
[ "organism mapping", "DNA replication", "produce mapping", "genome mapping" ]
D
What is a threat against civilized people called?
sciq-00197
[ "pandemic", "bombing", "disaster", "bioterrorism" ]
D
What are the most common forms of lasers today made of?
sciq-00198
[ "light", "spirogyra", "silcon", "prisms" ]
C
A phospholipid bilayer is made up of two layers of phospholipids, in which hydrophobic fatty acids are in the middle of the what?
sciq-00199
[ "cells membrane", "cell wall", "skin", "plasma membrane" ]
D