Answer:
New information is discovered that contradicts the existing theory.
Explanation:
A theory is tested and the observation may confirm or contradict the theory. When the results of newly conducted tests confirm the theory, then the theory reaches a consensus in the scientific community. After conducting tests if new observation emerges which adds new information about the existing theory then it is revised. However, if new data keeps emerging that contradict the existing theory it will be rather than revised.
Which of the following is defined as the location and density of a population in an area?
A.)Composition
B.)Distribution
C.)Dynamics
D.) Migration
the correct answer is B
When many nerve impulses arrive in rapid succession at the synapse between a single stimulatory presynaptic neuron and a postsynaptic neuron, this situation is known as:?
Gamma-aminobutyric acid (gaba) appears to decrease synaptic transmission and seems related to _______ drugs.
Gamma-aminobutyric acid is also known as GABA. It look as if to decrease synaptic transmission and is actually used in drugs called GABAergic drugs or GABA analogues. These drugs are used as hypnotics, anticonvulsants, tranquillizers and sedatives which seems related to be a depressant type of drug.
Answer:
depressant
Explanation:
what is the function of a ribosome
Plants produce oxygen when they photosynthesize. where does the oxygen come from?
Plants produce oxygen when they photosynthesize, which comes from the splitting of the water during the light reaction.
During photosynthesis, in the light reaction following reactions takes place:
The light hits chlorophyll cells in photosystem II.They get the energy that moves from cell to cell until the P680 pair of chlorophyll molecules absorb it.An electron in this pair becomes excited due to extra energy, leaves the molecule reaches to the primary electron acceptor.Meanwhile, there's an enzyme that's splitting water molecules to give electrons, hydrogen, and oxygen.Plants produce oxygen when they photosynthesize, which comes from the splitting of the water during the light reaction.
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The oxygen that plants produce during photosynthesis comes from water. This process converts carbon dioxide and water into glucose and oxygen, effectively making available the oxygen we breathe in the atmosphere.
Explanation:During the process of photosynthesis, green plants convert carbon dioxide and water into glucose and oxygen. This process, facilitated by sunlight, is crucial to oxygen availability in the earth's atmosphere. The oxygen we, humans, and other animals breathe, interestingly, is effectively the waste product of plants. Through photosynthesis, plants have continuously replenished the earth’s atmospheric oxygen for about 2.4 billion years. Apart from this, photosynthesis contributes to the ozone layer's formation, which protects life on earth from harmful ultraviolet radiation. Functions like respiration in humans return the carbon dioxide back to the atmosphere, forming a cycle with photosynthesis. Therefore, the oxygen that plants produce during photosynthesis primarily comes from water.
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This type of molecule is the molecule used by plants for long term energy storage polysaccharides, lipids, proteuns
Carriers of the sickle-cell trait are less likely to die of _____
Explain how the size and shape of teeth determine their functions
Hearing loss caused by exposure to loud noise is known as __________ . tympanic hearing loss conduction deafness ossicle deafness sensorineural hearing loss
Living things are complex and have multiple levels of biological organization beginning with the most basic unit of an organism, the ____________ .
The diamond-shaped decal that identifies a cng car will not be found on the _______________.
Windshield
The diamond-shaped decal that identifies a cng car will not be found on the windshield.
The windshield of a motorbike, car, or bus is the front window and it is usually produced from a treated glass (laminated safety glass), which is made up of two curved sheets of glass that has a plastic layer coated between them for safety, and are joined into the window frame. The windshields of motor bikes are usually composed of acrylic plastic or polycarbonate.
Which of the following is not a carbohydrate?
A. Cellulose
B. Lipids
C. Monosaccharides
D. Starch
Lipids are not a type of carbohydrate. Carbohydrates include substances like Cellulose, Monosaccharides, and Starch, whereas Lipids are a different type of organic compound.
Explanation:In the context of the options provided, the group that is not a type of carbohydrate is Lipids. Carbohydrates are organic compounds that consist mainly of carbon, hydrogen, and oxygen atoms. They include substances like Cellulose, Monosaccharides (simple sugars like glucose), and Starch (a polysaccharide used by plants to store energy).
Lipids, on the other hand, are a different type of organic compound that includes fats, oils, and steroids. They are not classified as carbohydrates because they have different structures and functions within organisms.
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Which type of molecule contains the alcohol glycerol? which type of molecule contains the alcohol glycerol? carbohydrate phospholipids protein dna?
The type of molecule that contains the alcohol glycerol is a phospholipid. These molecules consist of a glycerol backbone with two fatty acid molecules and a phosphate-containing group and form the primary structure of cell membranes.
Explanation:The molecule that contains the alcohol glycerol is a phospholipid. A phospholipid molecule is made up of a three-carbon glycerol backbone with two fatty acid molecules attached to carbons 1 and 2, and a phosphate-containing group attached to the third carbon. Phospholipids form the main structure of cell membranes. These molecules are special because they have a polar head (phosphate-containing group) with a negative charge, and a non-charged, nonpolar tail (fatty acids). This particular type of molecule is referred to as amphiphilic or 'dual-loving' because it contains areas that are attracted to both water (polar) and fat (non-polar) environments.
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which statement best explains why a carbon atom can bond with itself easily
it is an organic element
it is an ion
it forms hydrogen bonds
it has four valence electrons
it has four valence electrons
How does the development of cell theory serve as an example for the development of scientific theories in general?
Answer:
The cell theory is an important scientific theory of biology. And scientific theory is a broad explanation for events that is widely accepted as true.
Explanation:
The cell theory is an important scientific theory of biology. The English scientist Robert Hooke first used the term “cells” in 1665 to describe the small chambers within cork that he observed under a microscope of his own design. Although cells were first observed in the 1665, cell theory was not well accepted for another 200 years. The work of scientists such as Schleiden, Schwann, Remak, and Virchow contributed to its acceptance. A scientific theory is a broad explanation for events that is widely accepted as true. To become a theory, a hypothesis must be tested over and over again, and it must be supported by a great deal of evidence.There are several well-known theories in biology, including the theory of evolution, cell theory, and germ theory .Learn more:
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Keywords: cell theory, germ theory, evolution, scientific theory, biology
The food handler should guard against hotspots in cooling units by
Answer:
In order to guard against the hot spots, the food handler should take the temperature of the food from various locations. The hot spots take place when a platter of food is cooling all at a similar duration. In the food, there are certain spots, which will cool more briskly known as hot spots and other spots, which takes more time to cool. In order to guard against this, the food handler needs to take the temperature of the food from the center and from the edges.
There are an estimated 11,025 trees of species A in an area of 3,150 hectares. What is the population density of the tree species? The population density of the trees is _ per hectare.
Population density is the average number of organisms that make up a population per unit area or unit volume.
As given in the question; Number of organism (trees of species A) = 11,025 and land area = 3,150 hectares.
Population Density = Number of organism / Land Area = 11025/3150= 3.5 trees/hectare.
Therefore, the population density of the trees is 3.5 trees per hectare.
The frontal and parietal bones articulate at the ________ suture.
How is the volume of a gas related to its concentration of particles?
A) As the volume of a contained gas expands, its pressure concentration of particles will increase.
B) As the volume of a contained gas extends, its pressure concentration of particles will increase.
C) As the volume of a contained gas decreases, its pressure concentration of particles will increase.
D) As the volume of a contained gas compresses, its pressure concentration of particles will decrease.
The Answer is: C
Because of the volume that is already set by the size and weight of the container. In other words the gas is pushing all particles out of the way and replacing its self therefore the pressure increases.
Answer: C) As the volume of a contained gas decreases, its pressure concentration of particles will increase.
Explanation:
We know that the particles of gas are continuously moving and have negligible force of attraction. So they are able to spread all over in the container in which they are contained .
Also, because of so much space between them , they highly compressible .
There is inversely proportional relationship between the volume and the pressure of a gas.
Thus when the volume of a contained gas decreases, its pressure concentration of particles will increase.
When interpreting correlations, it is important to remember that a?
Final answer:
Correlation coefficients, ranging from -1 to +1, indicate the strength and direction of the relationship between two variables, but they do not imply causation. Strong correlations show tight data alignment in scatterplots, while weak correlations have more exceptions and less predictability. A coefficient of zero means no relationship exists between the variables.
Explanation:
When interpreting correlations, it's crucial to remember that correlation does not imply causation. A correlation coefficient, represented by the letter r, ranges from -1 to +1, indicating the strength and direction of the relationship between two variables. However, a strong correlation does not mean that one variable causes the changes in another. For instance, a positive correlation between hours studied and test scores indicates that as study time increases, so do the scores. Conversely, there would be a negative correlation between study hours and the number of questions answered incorrectly. Despite the direction, both scenarios could display the same strength of correlation. Additionally, a perfectly zero correlation coefficient means there is no relationship between the variables under consideration.
When examining the strength of a correlation, we look at how closely the data points in a scatterplot align along a sloped line. The closer the correlation coefficient is to 1 or -1, the stronger the relationship and the more predictable the behavior of one variable based on changes in the other. A correlation closer to zero indicates a weaker relationship. Moreover, correlations have exceptions, and a strong correlation indicates few or no exceptions, whereas a weak correlation has many exceptions. Furthermore, the data pattern might sometimes be better represented by a curve rather than a straight line, suggesting that different statistical methods may be more appropriate for analysis.
A 30-year-old client whose mother died of breast cancer at age 44 and whose sister has ovarian cancer, is concerned about developing cancer. as a member of the oncology multidisciplinary team, the nurse should suggest that the client ask the physician about which topic?
If a medical doctor provides cutting-edge information on the threat of cholesterol, she is providing which type of supporting material?
Answer:
The correct answer is expert testimony.
Explanation:
The testament made by a competent individual regarding a technical, scientific, or skilled issue is considered as expert testimony. An expert is generally considered to testify because of his or her knowing with the matter or possessing unique training in the field.
To be considered, expert testimony must comprise specified knowledge and must aid the trier of information. The opinion of the expert needs to effectively authorize by sound method and reason. At the same time it needs to be significant to the facts at issue.
The recommended form of calcium supplement for patients who have achlorhydria or who are on proton pump inhibitors (ppi) is
breathing, heart rate, vomiting, salivation, coughing, and sneezing are all controlled by which structure?
Monosaccharides are also known as what
What effect might increased atmospheric carbon dioxide have on the environment?
If a cell is going to make a complete full copy of itself, what process must it undergo? A. Kinesis B. Meiosis C. Mitosis D. Osmosis
Many insects, fish, and mammals release certain chemical messengers to signal reproductive readiness. What are these messengers called?
Chemical messengers are called pheromones.
The chemical messengers released by many insects, fish, and mammals to signal reproductive readiness are called pheromones. These chemical signals play a pivotal role in communication within a species, especially for social insects like ants, bees, and termites. Pheromones can induce a variety of behaviors including alarm, mating, and foraging behaviors. They are a form of chemical communication that is often highly specific, even to the point where only one isomer of a molecule may be effective, as is the case with the sex attractant pheromones 'bombykol' in silkworm moths and 'disparlure' in gypsy moths.
Animals use these chemical signals to interact with one another, sometimes in combination with or in place of other types of signals such as visual, aural, and tactile cues. These signals are an integral part of an animal's repertoire for social interaction and can be both instinctual and learned.
In what step of the scientific method do we record data
Active transport will move materials from an area of low concentration to an area of high concentration true of false