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What are single-celled or colonial organisms that do not have membranebound nuclei? |
What is the stage between a zygote and polyp? |
Red-green color blindness is an example of a sex-linked condition caused by what? |
Like all tetrapods except birds and mammals, frogs possess a heart with what structure? |
E. coli uses how many enzymes to take up and metabolize lactose? |
The innermost layer of the sun is known as what? |
The conservation of momentum principle can be applied to systems as different as a comet striking earth and a gas containing huge numbers of atoms and these? |
Transferring what from sodium to chlorine decreases the radius of sodium by about 50%? |
Dna is normally found within what region of a cell? |
What chemical substances are secreted by animals that communicate by odor or taste? |
"crossing over" occurs during what phase of mitosis? |
What is the process by which plants gain energy and produce sugar? |
What are the four stages of food processing? |
Phosphorus exists as several allotropes, the most common being red, black, and what? |
Asci are used by mycelia for what kind of reproduction? |
What is a diagram that shows a single way that energy flows throughout an ecosystem? |
Alpha particles, beta particles, and gamma particles are major types of what? |
Metabolism produces waste energy in the form of heat, which helps what type of animal conserve and maintain heat at a relatively constant body temperature? |
What is a dip slip fault where the dip of the fault plane is vertical? |
What kind of reactions absorb energy from their surroundings as they occur? |
What is the process of generating electric current with a magnetic field? |
Eggs are produced in what organs and, upon fertilization, develop in what other organ? |
High per capita use of what means the ecological footprint of the united states is large? |
Biodiversity hot spots are prime candidates for protection because they are prone to what species fate? |
What is the cutting and burning trees to clear land for farming called? |
Ionic compounds contain cations and anions rather than what? |
What is a stellar remnant that is very dense? |
In what stage of photosynthesis does the calvin cycle occur? |
How many atoms of oxygen does silicon dioxide contain? |
What is the term for longer chains of monosaccharides ? |
What type of cells are multiple small spaces located in the right and left sides of the ethmoid bone? |
Helium-3 is produced by beta decay of a certain what? |
Sudden changes in geologic and climatic conditions can spur what process? |
The penis, testes and epididymes are structures in what male anatomical system? |
An element that is generally a poor conductor of heat and electricity is known as a ______ |
In science, anything that has mass and volume is considered what? |
What type of cell has a singular chromosome, no nucleus, and few other organelles? |
Unburned hydrocarbons can more easily be converted to carbon dioxide and water in the presence of a what? |
What is the process of removing wastes and excess water from the body? |
What kind of diseases can be difficult to treat because they live inside the host's cells, making it hard to destroy them without killing host cells? |
In plants, a cell plate is formed during cell cytokinesis by golgi vesicles fusing at the what? |
What organ creates bile? |
Which gender typically experiences growth spurts first? |
What is the name for a molecule with two atoms? |
What are electrons at the outermost energy level of an atom are called? |
When fuel is burned most of the energy is released as what? |
What occurs when a former inhabited area gets disturbed? |
What is the term for a disease that is not contagious? |
Why do electronegativities decrease from top to bottom? |
Making ups about 50 percent of the modern american diet, what food group can be classified according to the number of monomers they contain of simple sugars and/or complex sugars? |
Plant-like protists are autotrophs capable of what process? |
What is it called when electrons are shared equally? |
What explains the spherical shape of ceres, once thought to be the largest asteroid? |
Average acceleration is the rate of change of what? |
Which organ is the control center of the nervous system? |
What kind of beneficial relationships with other organisms are common in the plant kingdom? |
What preventive measure can protect even young children against diseases such as viral meningitis? |
Rainwater absorbs carbon dioxide (co 2 ) as it falls. the co 2 combines with water to form what? |
Glucose, fructose, and other sugars that have six carbons are called what? |
What "apparatus" is responsible for sorting, modifying, and shipping off the products that come from the rough endoplasmic reticulum? |
Which gas is responsible for global warming? |
Being exposed to sunlight will produce what vitamin in the skin? |
What is the purpose of your body's first line of defense? |
What is the general composition of the continental crust? |
Sunlight contains many different wavelengths, which you see when they separate into what? |
Innate behaviors occur in all animals. however, they are less common in species with higher levels of what? |
Chromosomes further condensed in which stage? |
Oxygen is essentially just a waste product of the light reactions of what? |
The mean free path for a gaseous molecule will be hundreds of times the what of the molecule? |
What type of air do plants take in and use? |
What is caused by the same virus that causes chicken pox? |
Which important decomposers are known to live just about anywhere on earth? |
Dinosaurs filled the niches that mammals fill today during which era? |
What is produced by the reaction of metal oxide with water? |
What is the process of converting atmospheric nitrogen to ammonia called? |
The polymerase chain reaction is a way of making copies of what? |
Where on earth do bacteria live? |
Angiosperms possess reproductive structures that attract animals that perform what role? |
What is it called when a gene at one location (locus) alters the phenotypic expression of a gene at another locus? |
Wearing what will reduce the amplitude of sound waves entering the ears? |
Proteins include 20 common types of what compounds? |
Mollusks are probably most closely related to organisms in the phylum annelida , also known as what? |
What molecule can be used by the body to synthesize cholesterol ? |
What makes up 99 percent of air? |
Plants supply, ultimately, most of the food eaten by terrestrial animals, along with what gas? |
A common age-related bone disease in which bone density and strength is decreased is know as what? |
What bodily substance is formed from cells, and in turn helps make up organs? |
What is the term for the hard, round object produced within the mantle of a living shelled mollusk? |
The potential of what can be used to measure the ph of a solution? |
Each species of legume is associated with a strain of __________ |
Where is the fruiting body normally produced in relation to the food source? |
What are the 3 types of volcanoes? |
What is the low level of radiation that occurs naturally in the environment called? |
Fungi may form mutualistic relationships with plants, algae, cyanobacteria, and what? |
Cancers derived from epithelial cells are referred to as what? |
What structure is the site of all of the basic biochemical processes that keep organisms alive? |
What is a layer of tissue that lies between the shell and the body? |
If something is in the state of matter where it has both a definite shape and volume, then what state of matter is it in? |
What process within cells makes sure that every gamete receives a copy of every chromosome? |
What state of matter completes the list: solid, liquid, gas? |
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