what is the function of a ribosome
The frontal and parietal bones articulate at the ________ suture.
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.
Study this genetic code.
In order for this code to represent a piece of DNA, which base must be replaced by thymine?
A)
adenine
B)
cytosine
C)
guanine
D)
uracil
Answer:
A) Adenine
Explanation:
Adenine always pairs with Thymine in DNA.
__________________________________________________
On a side note, the base pairs in DNA are always (G-C) and (A-T)
Guanine with Cytosine and Adenine with Thymine
You're welcome ; )
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.
Active transport will move materials from an area of low concentration to an area of high concentration true of false
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.
The recommended form of calcium supplement for patients who have achlorhydria or who are on proton pump inhibitors (ppi) is
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
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.
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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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?
Living things are complex and have multiple levels of biological organization beginning with the most basic unit of an organism, the ____________ .
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:?
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.
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.
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:
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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Monosaccharides are also known as what
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
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 intense magnetic fields of sunspots cause arch-like eruptions called ____
Eruptive events on the Sun known as prominences originate near sunspots and are associated with strong magnetic fields that inhibit convection, leading to cooler, darker sunspots and potential subsequent eruptions.
Explanation:The intense magnetic fields of sunspots cause arch-like eruptions called prominences. These solar phenomena are especially visible during solar eclipses when they appear as red features extending from the sunspots high into the corona. Sunspots are linked with strong magnetic fields that inhibit convection within the Sun, leading to cooler, darker areas. When magnetic energy is released, it can cause several types of prominences, including the spectacular eruptive prominences which propel plasma into the corona at high speeds, some even reaching heights greater than 1 million kilometers above the photosphere.
Understanding the relationship between magnetic fields and solar eruptions is important for predicting space weather events, as these prominences can evolve into coronal mass ejections (CMEs) when launched into space. CMEs have the potential to interact with Earth's magnetosphere, causing geomagnetic storms that can affect our electronic systems and power grids.
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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In what step of the scientific method do we record data
When water freezes, it .
Expands
Contracts
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
breathing, heart rate, vomiting, salivation, coughing, and sneezing are all controlled by which structure?
Hearing loss caused by exposure to loud noise is known as __________ . tympanic hearing loss conduction deafness ossicle deafness sensorineural hearing loss
What effect might increased atmospheric carbon dioxide have on the environment?
Carriers of the sickle-cell trait are less likely to die of _____