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Gastric emptying is regulated by both the stomach and the duodenum.
Catecholamines are a class of amine hormones that when synthesised form the amino acid tyrosine.
Which stage of life is typically easier for learning multiple languages?
Which state of matter is characterized by molecules with minimal movement and strong forces between them?
The chemical behavior of elements can largely be explained by what?
By 8 weeks, all major organs start developing.
The sum of the masses of the atoms in the formula is referred to as what?
Fresh water biomes are defined by low salt concentration.
Carbon dioxide chemically weather rocks by creating acids.
Birds have four limbs.
The ice crystals that form on the ground are called frost.
Bees are naturalized on every continent except which?
Applying a pressure greater than the osmotic pressure of a solution will do what?
What elements have the highest attraction for electrons?
What contains carbon, hydrogen, and oxygen in a ratio of 1:2:1?
Five mass distinctions have radically altered the history of life.
What are the only innate behaviors in humans?
Air can be separated into several elements.
The first leaves of most ferns appear curled up into fiddleheads.
Insulin is made up of two polypeptide chains.
Metals are usually solid substances at room temperature . Most metals exist as solids at room temperature.
What kind of charge do iconic compounds have?
The cell expels waste and other particles through a process called exocytosis.
Many enzymes are simple proteins consisting entirely of one or more amino acid chains.
Which action forms a different chemical substance?
Which type of joints do not allow any movement of the bones?
Producing light without a high temperature is called luminescence.
When temperature increases but amount of gas and its pressure are constantvolume increases happens to the volume of the gas .
Specific scents are often associated with memories.
Through what method or methods of fertilization do amphibians sexually reproduce?
The energy that is stored in matter is called potential.
Mars is the seventh-largest planet and the fourth from the sun. Mars is the fourth planet from the sun.
Sediment is transported by currents.
The abnormal cells cannot carry oxygen properly and can get stuck in capillaries.
The most obvious feature is a volcano, but the surface could also be fractured or faulted (a fault is a fracture where the rocks have moved on either side, causing earthquakes). A fault is the fracture caused when rocks on both sides move.
To express the distance between the Milky Way galaxy and other galaxies, the most appropriate unit of measurement is the
A neutron star forms when a massive star's iron core collapses and triggers a supernova explosion. Neutron stars are the corpses of left over supernova explosions.
Kidneys, large intestine, liver, skin, and lungs comprise the excretory system.
A haploid gametophyte body produces haploid (n) gametes by mitosis. The haploid gametophyte produces gametes through mitosis.
Most growing plant cells expand through water uptake.
Do placental mammals give birth to relatively small or large fetuses?
What do we call an incorrect test result that should have been positive?
Organisms that don't produce their own energy are called heterotrophs. Animals can not produce their own food making them heterotrophs
There are six types types of simple machines.
How do fungus-like protists such as slime molds reproduce?
A current is a stream of moving water that flows through the ocean.
There are two kinds of surface waves Love and Rayleigh waves. There are two types of surface waves.
The majority of solids are crystalline in nature.
Food poisoning is another term for foodborne illness.
Mammals have four limbs and produce amniotic eggs.
Mixtures with a consistent composition throughout are called homogeneous mixtures (or solutions) A mixture that acts as a single substance so that it is not obvious that two or more substances are present. You call a type of mixture that has the same composition throughout a solution.
How do most fish reproduce with one another?
Iguassu falls is the largest waterfall on the planet.
Stems transport water to other parts of the plant through a system of tubes.
What are the organs work together to allow us to see?
Which primate group generally lives alone?
The rate that energy is released is known as power.
Which characteristic do single-celled organisms and multicellular organisms have in common?
The cells of all protists have a nucleus.
The Throat The throat (pharynx) is a ringlike muscular tube that acts as the passageway for both air and food or liquid and helps in forming speech. Digestion and respiration are both facilitated by the pharynx, more commonly called the throat.
Of course, while we can see in three dimensions, we can draw in only two dimensions on the computer screen. Humans can see in three dimensions.
Birds evolved from what type of ancestor?
How many cycles do cells have?
What type of animals are known for being playful and frisky?
Cells are small biological structures that make up all living things, including the human body.
What is the most common type of organic compound?
What gas comprises about three-fourths of earth's atmosphere?
Acids are associated with a low number on which scale?
What helps amplify the effects of extracellular signals?
Droughts occurs when there is little to no rain in a period of time.
Sphygmomanometer, an instrument that measures blood pressure, using an inflatable blood pressure cuff and gauge. Sphygmomanometer is used to measure blood pressure.
Individual is the term for an organism, or single living thing.
Streams often start in mountains.
Individual nucleotides can be linked together through their phosphate groups to form?
If an accident happens during a science experiment, the first thing a student should do is report to the teacher.
Kidney stones are considered a disease that affects which system?
Analogous structures look similar and have the same function, even though they may be completely unrelated embryologically, such as the wing of a bat and the wing of a butterfly. The term analogous is used to describe structures that are similar in unrelated organisms.
Ectotherms undergo a variety of changes at the cellular level to acclimatize to shifts in temperature.
For what kind of animal is communication essential?
The Mars Exploration Rovers, launched by NASA in 2003 to explore the surface of Mars, are equipped with unique cameras that allow researchers to view stereoscopic images of the surface of Mars. The mars rover is the wheeled robot developed by nasa to explore the surface of mars.
Which two processes in the water cycle are primarily responsible for the creation of a lake?
A genome is merely the overall total of this genetic information. A(n) genome is considered to be a person's entire genetic information.
Carbon has six protons and six electrons. All carbon atoms have six protons.
Catabolic and anabolic hormones in the body help regulate these?
The configuration of the hydrogen atoms in cis fatty acids causes a bend in the carbon chain, whereas in saturated fatty acids such as stearic acid the carbon chain is straight (see illustration). Carbon atoms are bonded to as many hydrogen atoms as possible in saturated fatty acids.
Which of these is an example of liquid water?
Cells are small biological structures that make up all living things, including the human body.
These plants are classified as angiosperms, which means they are flowering plants that produce seeds enclosed within a flower containing ovaries. Angiosperms is the term for flowering seed plants.
What are the largest known proteins called?
Element is the basic chemical building block of matter; it is the simplest chemical substance.
In the past, what colliding with planet earth has caused many organisms to die off?
The pull of gravity is a force of attraction (called weight) between two objects. Weight is the measure of the force of gravity pulling down on an object.
Most carbon atoms in the world have six protons and six neutrons in their nucleus. All carbon atoms have six protons.
An underwater spider uses shiny air bubble to breathe and keep alive.
Nitrogen gas comprises about three-fourths of earth's atmosphere.
Exemplified by canada and alaska, a subarctic climate has cool, short summers and long, cold winters, little precipitation, and abundant conifers.
Microscopes were first developed in the early 1600s by eyeglass makers.
At the time of the order, Gardasil, a newly approved drug manufactured by Merck, was the only HPV vaccine approved by the Food and Drug Administration. Gardasil is the vaccine to prevent infection of hpv.
What connection is required for a newborn baby to begin breathing?
How many large eggs are generated during oogenesis?