Answer:
Molecular mass or vapor density
Explanation:
The empirical formula is the simplest formula of a compound. The molecular formula expresses the exact formula of the compound. To derive the molecular formula, we need information about its molecular mass or if given the vapor density.
(Empirical Formula)n = Molecular formula ------(i)
n = number of repeating units of the empirical formula present in one mole of the molecule
also, (molar mass of empirical formula)n = molar mass of compound
From here, we can find n and insert in (i) above.
Soil formation is most influenced by__. Wind speed. Cloud cover. Air pressure. Rain fall.
Answer:
D. Soil formation is most influenced by Rainfall.
Explanation:
Answer:
Rain fall.
Explanation:
Soil formation is most influenced by rain fall.
LOTS OF POINTS HELPP
Which body system is used for calcium storage?
Integumentary system
Muscular system
Skeletal system
Cardiac muscular system
The skeletal system stores most of the body's calcium. The skeletal system includes bones and teeth. Small portions of calcium are stored inside blood and muscles, yet they aren't used to store calcium. This means that the answer is C. Skeletal system.
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which is a purine base in dna
Purines and Pyrimidines are nitrogenous bases that make up the two different kinds of nucleotide bases in DNA and RNA. The two-carbon nitrogen ring bases (adenine and guanine) are purines, while the one-carbon nitrogen ring bases (thymine and cytosine) are pyrimidines.
When you become too cold, your hypothalamus will signal what parts of your body to raise the temperature?
Answer:
Brain.
Explanation:
When you become too cold, your hypothalamus will signal your brain to raise the temperature.
Answer:
Muscles
Explanation:
The hypothalamus is responsible for maintaining homeostasis.
Homeostasis means to keep the same, constant or to have a balance.
In terms of temperature, humans perform optimally at a body temperature of 37 degrees or 98.6 F. When body temperature rises or increases, the temperature homeostasis is disturbed.
When the body is cold, the hypothalamus which is in the brain, will send signals to your muscles to shiver and move to create warmth and heat. Thus, raising body temperature.
Which source contains most of earths fresh water
Answer:
A large portion of Earth's crisp water is secured away in the polar tops. A large portion of the rest is ground water. All things considered, there are three primary wellsprings of crisp water: groundwater, the water in lakes and waterways and the water tied up in the strong state as ice.
Fresh water is the water found either in the form of liquid or ice, which has low content of salts. Lakes, river, ponds, glaciers, are some examples of fresh water bodies.
The majority of the world's fresh water is stored in icecaps and glaciers.
Sources contain fresh waterFresh water is the only water that can be consumed.Only about 0.3% fresh water is present in the earth surface.Over 68% of fresh water on earth is found in icecaps and glaciers.Over 30% of fresh water is present in groundwater.Thus, the most of the fresh water of earth is present in icecaps and glaciers.
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What are the reactant(s) in the following chemical reaction?
C6H12O6 + 6 H20 + 6 02- 6 CO2 + 12 H20
Answer:
C6H12O6+6 H20+6 O2 would be your reactants the other side would be the product
Explanation:
C6H12O6 + 6 H20 + 6 02 is the reactant in this equation.
What is reactant in chemical equation?Chemical reactions occur when chemical bonds between atoms are formed or broken. The substances that go into a chemical reaction are called the reactants, and the substances produced at the end of the reaction are known as the products.
In given reaction, glucose is get broken down into the carbon dioxide and water, so glucose,water, oxygen are reactants.
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What cell makes ribosomes
Answer:
The Nucleolus makes ribosomes.
Explanation:
Surface currents are a result of all of the following except
the moon’s gravitational pull
shape of the ocean basins
global wind patterns
Earth’s rotation
Answer:
the moon’s gravitational pull
Explanation:
Surface currents are a result of all of the following except the moon’s gravitational pull.
Surface currents are created by "global wind patterns", Earth's rotation, and the shape of ocean basins, but not by the moon's gravitational pull, which instead affects tides.
Surface currents in the ocean are a result of several factors, but not the moon's gravitational pull, which primarily affects tides rather than surface currents. The main drivers of surface currents include global wind patterns, Earth's rotation, which contributes to the Coriolis effect, and the shape of ocean basins. These currents are responsible for distributing heat around the planet and have a significant influence on the climate. It is the tides that are affected by the moon's gravity, whereas surface currents are influenced by other factors.
What happens during inhalation? A. The diaphragm and the rib cage return to their normal resting positions. B. The diaphragm contracts and moves down while the rib cage moves up and out. C. The diaphragm expands and moves up while the rib cage moves up and out. D. The diaphragm contracts and moves down while the rib cage moves down and in.
U1:51:51
Which has most likely been peer reviewed?
an article on the benefits of eating cheese, featured in Crosscreek Dairy Monthly magazine
an article on the benefits of wearing shoe inserts, featured in Bob's Footwear circular
an article on the beneficial bacteria in yogurt, featured in Medical Joumal of Gastroenterology
an article on beneficial face creams, featured in Beauty and You magazine
Save and Exit
Submit
Mark this and return
Answer:tap in shorty
Answer:
Option C is correct,an article on the beneficial bacteria would be most likely to be reviewed.
How do you extract the oil from the fruit of the Tung tree?
Answer:
Tung oil is made from pressed seeds from the nut of the tung tree. The tung tree, native to China, is named for its heart-shaped leaves because “tung” is Chinese for “heart.” In the 14th century, Chinese merchants were noted for using tung oil to waterproof and protect wooden ships from the eroding powers of the sea. There are even mentions of tung oil appearing in the writings of Confucius in around 400 B.C. For these reasons, it is also sometimes referred to as “China wood oil.
Explanation:
To extract oil from Tung tree seeds, the seeds are either pressed or crushed, or, for more efficiency, a solvent like n-hexane is used. The solvent is then distilled off, leaving the Tung oil. Traditional methods might involve boiling and skimming the oil from the surface.
Initially, Tung fruit is harvested and the seeds inside are collected because the oil is contained within these seeds. The seeds might be dried and then crushed or pressed to release the oil. However, for higher efficiency, chemical solvents such as n-hexane can be used to extract the oil from the seed material. After extraction, the solvent is distilled off, leaving behind the Tung oil, which can then be further processed and purified.
1. Do you think it is fair that Watson and Crick were credited with the discovery when so many other scientists were involved? Why or why not? Think about your opinion and then back it up with at least one fact. (10 points) APEX
Answer:
Yes, I agree that the discovery of DNA model by Watson and Crick took help from the work of many other scientists which were not credited with the discovery as much as both of them were credited.
Explanation:
One of the major breakthroughs made in the discovery of DNA structure was the work of a female scientist, Rosalind Franklin who did X-ray crystallography according to which DNA was helical in shape. Watson and Crick took strong support from this theory and proved that DNA was helical in shape. However, she was a perfectionist and she had not published her work yet while the Watson and Crick were fast enough to do so. Before that Watson and Crick while working independently formulated incorrect DNA models in which bases were placed outside while phosphate groups were outside. However, Rosalind Franklin's work was of substantial help to both of them. There was another colleagues of Franklin, Maurice Wilkins who was working with Franklin in doing X-ray studies. n 1962 Watson, Crick, and Maurice Wilkins were jointly honored with the Nobel Prize in medicine for their model of DNA in 1953 but she was not nominated for Nobel price because it could only be shared by three scientists maximum and Franklin was died by that time too.
Therefore, i think it was not fair with Franklin that she never received the credit of the work which she did tirelessly and which became basis of modern DNA model.
Hope it helps!
No, it is not fair that Watson and Crick were only credited with the discovery of the DNA model.
What is Watson and Crick's model of DNA?Watson and Crick proposed a model of DNA in 1953 which is semi-conservative in nature. This model of DNA has a double helix that is bound together with the help of units known as bases.
During the time of Watson and Crick, Erwin Chargaff proposed the rule of base pairing which is also seen in Watson and Crick's model of DNA. According to him, the amount of adenine is always equal to the amount of thymine, and the amount of guanine is always equal to the amount of cytosine.
[A] = [T] and [G] = [C]
Therefore, Watson and Crick were not the only ones who were credited with the discovery of the DNA model.
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what physical traits were favored in the peppered moth species after the Industrial Revolution
Their skin color was dark which made the moths blend in. During the Industrial Revolution, the soot from factories caused the trees to become black. The light colored moths became easier to kill because they could not blend into their environment.
Answer:
Dark Skin Color
Explanation:
After the industrial revolution, the tree trunks got covered with dark soot and the lichens present on these tree trunks were killed. Under these polluted conditions, the dark-colored moth could blend themselves easily with soot-covered tree trunks. Hence, these dark-colored moths exhibit better survival and reproductive rate than the light-colored moth population.
So, natural selection favored light skin color after the industrial revolution.
what material is the plant cell wall made up of?
Answer:
Cellulose
Explanation:
Cellulose is the one of the most common and abundant organic compound on the Earth considering that most plants have a cell wall. Cellulose is mostly a structural component for plants, making their stems and outer layers strong to avoid being directly exposed to the elements.
In most cells, there are more ______ molecules inside the cell and more sodium molecules outside the cell.
Answer:
it as more organic molecules inside
. Technician A says that a new replacement part is always good. Technician B says that sometimes recent repair work will be the cause of a complaint. Who is correct
Answer:
Both technician are correct.
Explanation:
According to the statement, the opinion of both technicians is going in the same direction which is, NOT to use the older parts for the sake of repairing a machine. The usage of old parts would temporarily fix the problem but it has the potential of causing bigger damages in the long run.
Answer: tech b
Explanation:
Describe two continuing sources of stress at this time in your life. For each source of stress, propose a specific problem-focused or a specific emotion-focused coping strategy that is likely to effectively reduce your stress.
The two main continuous sources of stress in my life are :
1: To excel in exams in best grades in class
2: The insufficient time i think i have for the great preparation of exams
When we talk about problem solving mechanisms, they are two. The first one is problem-focused solving in which we try our best to eliminate the source of stress from our life. The second one is emotion-focused solving in which we cope with the problems that cannot be eliminated.
Solution in my cases:
Being a topper of the class i am always expected to perform best by my family and friend and somehow it is my own main desire too. However, with the rising level of study competition in our society the pressure to perform best is becoming more like a continuous stress for me.
I used one technique from emotion-focused coping to cope with both of these two stresses i mentioned.
This technique is called Practicing discipline
Since i have a time management issue where i cannot give enough time to each course i have made a disciplined habit to follow the schedule i make. This schedule forces me to give some hours to each subject and when the alarm rings even if there is work remaining from one course i shut it down and start the second course. In this way mostly i keep the time factor in my mind and eliminate all distracting thoughts from my mind and complete each course' work in the definite time period i have assigned in schedule. This way my both stresses get relatively low.
Hope it helps!
What is a possible effect of an error during transcription?
O
A. The organism will become transgenic.
O
B. The wrong protein will be produced.
O
C. The virus will enter the lytic cycle.
O
D. The DNA will have a missense mutation.
Answer:
B. The wrong protein will be produced
Explanation:
An error during transcription means that RNA transcript formed is mutated one. In most of the cases proofreading is done in transcription process to eliminate the error but if has not been removed then eventually mutated mRNA will be produced.
According to the central dogma of life, DNA forms RNA transcript, and RNA translates into proteins i.e. DNA code determine the RNA and RNA codes determine the Amino acid sequence on the proteins formed. So, if error during transcription would cause synthesis of mutated RNA, it would ultimately result in the formation of proteins with mutated amino acid sequences, hence its function will be altered too.
An error during transcription can result in the production of the wrong protein, causing potential malfunctions or loss of function in the organism.
Explanation:An error during transcription can have a significant effect on the protein that is produced. One possible effect is the production of the wrong protein, leading to a malfunction or loss of function in the organism. This can occur if the error alters the codon sequence, causing a different amino acid to be incorporated into the protein chain.
For example, if a point mutation occurs during transcription and changes a codon that codes for a specific amino acid into a codon for a different amino acid, the resulting protein will have a different sequence and structure. This can affect its function and potentially disrupt important cellular processes.
Therefore, option B, which states that the wrong protein will be produced, is the correct answer.
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Which organelle is labeled I?
Answer:
nucleus
Explanation:
nucleus
To which of the following organic compounds do nucleic acids belong?
A. nuclear compound
B. hydrogen compound
C. carbon compound
D. nitrogen compound
Answer:
B. hydrogen compound
Explanation:
Nucleic acids belong in a hydrogen compound.
Nucleic acids should only be placed in that group because of the amount of harm or impact it doers.
What increases the frequency of adaptive mutations in a population over time
Answer:
Natural selection
Explanation:
Natural selection is the process via which the frequency of adaptive mutations in the population increases. In adaptive mutations, the mutational changes that are caused through natural selection, make individual to survive better in that particular environment when passes through stress conditions like temperature, drought etc. through natural selection the fittest of all is selected (the one that had adapted in that environment).
When your pH becomes out of balance (too basic or acidic) how will it affect you? A. Your cells will lose their membrane permeability. B. You will get severe heartburn. C. Your proteins and enzymes will lose shape and stop functioning. D. You will crave greasy foods like french fries to balance your pH.
Answer:
B
Explanation:
Too much acidic environment is what causes heart burn for many people and the solution could be taking milk of magnesia which is a base
In case of pH disbalance, the proteins and enzymes will lose shape and stop functioning. The correct option is C.
What are proteins?Proteins are massive, complex molecules that perform numerous important functions in the body.
As enzymes are also proteins, in case of any pH disbalance or temperature changes, protein will loose their shape and will stop functioning.
Thus, the correct option is C.
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What do the numbers 3 and 4 refer to in 3NH4?
Answer: 3 nitrogen atoms and 12 hydrogen atoms
Explanation: In a chemical equation, number represents the atoms present. Number at the base of the atom must be multiplied with the number written at the first atom for example 3NH4 so here for Hydrogen 4 is multiplied with 3 i.e. 12Hydrogen but for first atom Nitrogen only 3 is there so 3 nitrogen and 12 Hydrogen is present.
What is the basic molecule in chromosomes?
Answer:
DNA
Explanation:
DNA is the basic molecule in chromosomes.
]When the concentration of a substance reaches equilibrium on both sides of a cell membrane, it can continue moving in and out of the cell using ________________.
Answer:
Active transport
Explanation:
Diffusion occurs when molecules move from an area of high concentration to a low concentration until equilibrium is achieved. This does not require energy because it is a spontaneous process. This also included osmosis when there’s a difference in the concentration of solutions across a semipermeable membrane, water molecules move from the low concentration the solution to high concentration until the two solutions are isotonic to each other.
To move molecules against a concentration gradient, energy must be expended. In cell this is through the energy of ATP molecules.
What is the process of transforming used and disposed goods such as cans, paper plastic, and glass into further useful items known as?
Answer:
That is called recycling. Which is useful for the environment :)
_3. In which of the following organelles is a cell's ATP produced?
a. mitochondrion b. endoplasmic reticulum c. Golgi ap
Answer:
Mitochondria.
Explanation:
It's the powerhouse of the cell :) But really, the mitochondria is the main source of power and energy for the cell.
Babies are born with billions of brain cells. How many brain connections do babies have by the time they are three years old? Describe three factors that
contribute to the brain connections multiplying.
Answer:
From birth to three years old they produce 700 neural connections. A baby has 100 billion neurons. It multiplies to trillions at two years old, most probably at three it would be quadrillions. Several factors can affect brain development; the surrounding environment, social interaction, and experiences. 5.0.
Explanation:
Answer: From birth to three years old they produce 700 neural connections. A baby has 100 billion neurons. It multiplies to trillions at two years old, most probably at three it would be quadrillions.
Explanation: Babies are born with billions of brain cells, and by the time they are three years old, they have formed trillions of brain connections. This rapid increase in brain connections is a result of the brain's remarkable ability to adapt and change in response to experiences. As babies interact with their environment, engage in play, and receive nurturing and stimulating experiences, their brain cells form new connections, creating a complex network of neural pathways. The exact number of brain connections varies between individuals, but it is estimated that by the age of three, a baby's brain can have trillions of connections. These connections are essential for cognitive development, learning, and the foundation of future abilities and skills.
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Hardness is
A. the way a mineral breaks under pressure
B. the least informative property of a mineral
C. measured using the Mons scale
D. the way mineral splits when stressed
Answer:
Hardness is
A. the way a mineral breaks under pressure
Explanation:
Answer:
The other person is wrong... it is
the mohs one
Explanation:
C
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Mycelium allow fungilto absorb more nutrients by providing a higher surface to area ratio. True or false
Answer:
The Answer is True:
Explanation: