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Young roots and leaves are the major sites of gibberellin production.
What is one thing that can not happen to energy?
Sensory neurons transmit nerve impulses toward the spinal cord and the brain. Sensory neurons transmit nerve impulses from sense organs and internal organs to the brain via the spinal cord.
Energy it can not be destroyed.
Kilojoules are typically used to measure heats of reaction.
Exemplified by canada and alaska, what kind of climate has cool, short summers and long, cold winters, little precipitation, and abundant conifers?
What are electromagnetic waves created by?
Which of the following best describes a mineral?
The Seasons The tilt of the earth's axis is the reason for our seasons. The tilt of earth on its axis is one factor that contributes to seasons occurring in new york state.
Which statement best identifies a living thing that depends on another living thing to survive?
As a diver descends, the increase in pressure causes the body’s air pockets in the ears and lungs to do what?
What kind of cell is a cell with two chromosomes?
Sympatric speciation is when a new species arises without geographic separation.
What is the force that causes centripetal acceleration?
The movement of an air mass over Earth's surface causes
When the water vapor from a hot shower contacts the cooler surface of a mirror, the result is that foggy mirror.
Who lack some of the defining traits of chordates?
What astronomical phenomenon, formed of split asteroids or planetary rocks, provides clues about our solar system?
Which best describes how ice cores are important to the study of geologic history?
There are a large number of leukocytes (white blood cells) in colostrum. Leukocytes blood cells are white.
There are about 50,000 vertebrate species, and they are placed in how many different classes?
In chemistry, Arabic words include alcohol, alkali (from al-quali, the saltwork ashes), niter (from which word we get nitrate), alkahest (the universal solvent, sought by the alchemists), and alembic (a distilling flask). The word alkali comes from the arabic al-qili, meaning “ashes of the saltwort plant from salt marshes”.
phospholipids are an essential component in all cell membranes, where their form flexible, self healing, semipermiable, double layered boundaries between the cell and it surrounding environment. The cell membrane consists of two adjacent layers of phospholipids.
While similar to insects, arachnids are eight-legged invertebrates that lack antennae or wings.
The heterotroph eats only or mainly plants.
What is the innermost layer of the sun called?
What is the outer core made of?
Reactor control rods Rods especially designed or prepared for the control of the reaction rate in a nuclear reactor as defined in paragraph 1.1. Control rods play an important role in the modulation of the nuclear chain reaction.
The rationale for character displacement stems from the competitive exclusion principle, also called Gause's Law, which contends that to coexist in a stable environment two competing species must differ in their respective ecological niche; Character displacement is the concept by which two species within the same area to coexist by adapting by developing different specializations.
element, chemical A substance that cannot be decomposed into simpler substances by chemical means. You call a substance that cannot be broken down to other substances by chemical reactions an element.
A current is a stream of moving water that flows through the ocean.
What is one thing that can not happen to energy?
The most common two-lens telescope, like the simple microscope, uses convex lenses.
Catecholamines are a class of amine hormones that when synthesised form the amino acid tyrosine.
What term means the percentage by mass of each element in a compound?
When electrons return to a lower energy level, they emit the excess energy in the form of light.
The pleura that surrounds the lungs consists of how many layers?
The outer core of the earth is molten.
What triangular feature is formed when a river empties into a large body of still water?
Susanna, Hi Susanna, , Most Earthquakes on Earth occur at plate boundaries, including where plates slide past each other, spread apart, or collide. Two plates sliding can increase the occurance of earthquakes.
In contrast to bacteria and other prokaryotes,eukaryotes do possess a true membrane-bound region of DNA, the nucleus, andthey also have other membrane-bound organelles. Eukaryotes have nuclei and other membrane bound organelles.
What is the type of succession that happens after the destruction of a habitat?
When gas particles heat up, pressure increase.
The brain stem monitor(s) the level of carbon dioxide in the blood.
For example, a light bulb converts electrical energy into heat and light energy. A light bulb converts electrical energy to light and thermal energy.
Which state of matter is characterized by molecules with minimal movement and strong forces between them?
Producing light without heat is called what?
Menstrual cycle is the name for a series of changes in the reproductive system of mature females that repeats every month on average.
Earth makes a complete revolution around the sun about once every year.
Air pollution causes acid rain, ozone depletion, and global warming.
Re-think on ribozymes Until the late 1980s, protein enzymes were thought to be the only biological catalysts, then catalytic RNA molecules (ribozymes) were discovered. The discovery of ribozymes nullified the idea that all biological catalysts are proteins.
Emissions of CO2 due to fossil fuel burning are virtually certain to be the dominant influence on the trends in atmospheric CO2 concentration in the 21st century. Co2 gas is released into the atmosphere when fossil fuels are burned.
When water is heated by magma and makes its way to the surface and creates a(n) geyser.
Ocean water appears cyan because microbes in the water preferentially absorb what color of light?
What causes a blue block to appear blue in the sunlight?
The first year after birth is called infancy.
Why are seeds of a pine cone easily carried by the wind and dispersed?
We call an incorrect test result that should have been positive a(n) false negative.
Which statement best describes the energy transformations that occur when a candle burns?
Artificial Selection Selective breeding as practiced by humans on domesticated plants and animals. Humans create different breeds of organisms using artificial selection.
The vivid colors of flowers are an adaptation designed to encourage what by animals such as insects and birds?
The two parathyroid glands are located behind what gland?
An example of a symbiotic member of this Division is the protozoans which live in the gut of termites and digest cellulose in the wood the termites eat. Certain anaerobic parabasalid species exist in the digestive tracts of termites and wood-eating cockroaches, where they contribute an essential step in the digestion of cellulose.
What type of vehicles is able to go to the deepest ocean floor?
Chlamydia, gonorrhea, and syphilis are examples of bacterial stis.
Proteome studies Proteomics is the study of protein properties (expression level, post-translational modification, interactions, etc.) on a large scale to obtain a global, integrated view of cellular processes, cell networks at the protein level, and disease processes. The goal of proteomics is to identify or compare proteins expressed from a given genome under specific conditions, study the interactions between them, and use the information to predict cell behavior or develop drug targets.
Mercury is closest to the sun.
A winter storm is called what?
Of the three basic types of radioactive emissions, the gamma particle is the most penetrating.
What part of the atmosphere is the heat source?
Conduction Conduction is the process of transferring thermal energy through direct contact. Conduction is the transfer of thermal energy between particles of matter that are touching called.
What is above each leaf scar?
Your heart valves (bicuspid and tricuspid) are essentially check valves that prevent backflow to the atria from the ventricles, forcing the fluid (that's blood) to circulate. Heart valves prevent the backflow of blood from happening in the heart.
What type of radio waves exist in the 540 to 1600 khz frequency range?
Water that meets this definition and is vaporized, then condensed, may be labelled distilled water Well water Bottled water from a hole bored, drilled, or otherwise constructed in the ground, which taps the water of an aquifer. A(n) well is a hole that is dug or drilled through the ground down to an aquifer.
The fetal period lasts approximately 30 weeks weeks.
The long bone work as lever.
Community interactions are important factors in natural selection.
Wave energy conversion takes advantage of the ocean waves caused primarily by interaction of winds with the ocean surface. Ocean waves are mainly caused by wind.
Prokaryotic cells have what structure outside their plasma membrane?
What is the name of the tube that joins the mouth to the digestive and respiratory tracts?
Muscle groups are controlled by the motor cortex .
Where do most red algae species live?
During the history of the Earth there have been five mass extinctions. There have been five major massive extinctions since life began on earth.
What shape is the lens of the eye?
One way that the moon is different from earth is that the moon has almost no atmosphere.
All vertebrates reproduce sexually.
What do we call the solid form of hydrocarbons?
Gametophytes then produce haploid gametes, which join with other gametes through fertilization to form diploid sporophytes once again. Sexual reproduction with gametes and fertilization produces diploid sporophyte.
How many digits do primates have on each extremity?
What is the most common type of cancer developed in children?
Name the type of system that a jellyfish does not have?
Adulthood is divided into how many stages?
Triple bonds occasionally form when three pairs of electrons are shared between two atoms. In a carbon triple bond, three pairs of electrons are shared.
Animal behaviors are controlled by both genes and experiences in a given envionment.
Water leaves ponds and lakes through evaporation and also as outflow.
In a carbon triple bond, how many pairs of electrons are shared?
When is a moving car said to be in dynamic equilibrium?
What is the name for the process where data in the genes is transferred to amino acids?
What are the only plants with a life cycle in which the gametophyte generation is dominant?