help please? ty ty :)

Answers

Answer 1

D combination of DNA and proteins in the nucleus of a cell

Related Questions

Ocean water is sinking at the North Atlantic Buoy Station. What could be the reason that the water sinks?

A. Warmer water sinks below cold water.

B. Denser water sinks below less dense water.

C. Freshwater sinks below ocean water.

D. Water of low salinity sinks below water of high salinity.

Answers

A. false. Colder water sinks because its denser. It's particles are closer together due to the temperature.
B. True. Liquids of higher density sink.
C. False. Seawater is denser than freshwater due to the salt particles in it
D. False. The higher the salinity, the higher the density. High salinity means there's more salt mixed into a specified volume. The more particles in a specified volume, the higher the density.
Your answer is B

The reason that the water sinks is : ( B ) Denser water sinks below less dense water

Water density

The denser a water body becomes the more likely it will sink also the increase in solute content ( salinity ) a water contains, the denser the water becomes.

Therefore a water of high salinity will be more dense than a water with low salinity because of the increased amount of solute it contains.

Hence we can conclude that the reason that the water sinks is Denser water sinks below less dense water.

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How many codons code for the amino acid arginine?

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Answer:

The number of codons that code for arginine are six: CGU, CGC, CGA, CGG, AGA, and AGG. Where C = cytosine, G = guanine, U = uracil, A = adenine.

Explanation:

Arginine is a fundamental amino acid for the body and is part of the proteins. It is found in red meat, in poultry meat and in dairy products, and stimulates the function of the immune system, increasing leukocytes. In addition, it is involved in the production of creatine. In messenger RNA it is encoded by six codons: CGU, CGC, CGA, CGG, AGA, and AGG.

Final answer:

Arginine, an amino acid, is coded for by six different codons - CGU, CGC, CGA, CGG, AGA, and AGG. The redundancy of the genetic code allows multiple codons to code for the same amino acid, mitigating the effects of mutations on protein coding. The number of codons coding for an amino acid can vary, with some being coded by single codons while others by multiple codons.

Explanation:

The amino acid arginine is coded for by six different codons. These codons are CGU, CGC, CGA, CGG, AGA, and AGG. This aspect is part of the redundancy of the genetic code, which means that multiple codons can code for the same amino acid.

This redundancy is helpful in reducing the impact of mutations. For instance, if a mutation changes the codon CGU to CGC, it would still code for the same amino acid - that is, Arginine. Hence, the effect of such a mutation would be mitigated.

It's essential to note that how many codons code for an amino acid varies for different amino acids. Some amino acids are encoded by a single codon, while others, like Arginine, are encoded by multiple codons.

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An mi that has affected the full thickness of the heart and can cause a left ventricular aneurysm is called a(an):

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There are two kinds of myocardial infarction(MI), transmural Mi and nontransmural MI. Non-transmural MI only affect a small portion of the myocardium. Transmural MI affect full thickness of the heart. Since it involves a bigger area transmural MI more likely to cause complication like left ventricular aneurysm

Why is it important to form a hypothesis before experiments are conducted?

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so that it can be tested and either accepted or rejected based upon your results.

Gains in language development during adolescence are largely influenced by

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Metalinguistic awareness

The type of cartilage growth in which stem cells at the internal edge of the perichondrium divide, differentiate into chondrocytes, and create new cartilage at the periphery is called _________________ growth.

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Final answer:

Appositional growth is the type of cartilage growth that involves stem cells at the internal edge of the perichondrium dividing, differentiating into chondrocytes, and creating new cartilage at the periphery.

Explanation:

The type of cartilage growth being asked about is called appositional growth. This process involves stem cells at the internal edge of the perichondrium, a layer that surrounds the cartilage, dividing and differentiating into chondrocytes, the cells that make up cartilage. These newly formed chondrocytes then produce new cartilage at the periphery, expanding the cartilage outward. This type of growth allows a cartilage structure to increase in diameter and thickness.

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The type of cartilage growth in which stem cells at the internal edge of the perichondrium divide, differentiate into chondrocytes, and create new cartilage at the periphery is called "appositional" growth.

Cartilage is a specialized connective tissue that can grow and adapt in two primary ways: appositional growth and interstitial growth. Here, we focus on appositional growth.

Appositional growth involves the addition of new cartilage tissue to the surface or periphery of existing cartilage. It occurs in the following manner:

1. Stem cells located in the inner layer of the perichondrium (a connective tissue membrane surrounding cartilage) divide and differentiate into chondroblasts.

2. Chondroblasts secrete the extracellular matrix of cartilage, composed of collagen and proteoglycans, which gradually hardens.

3. As the matrix hardens, the chondroblasts within it become mature chondrocytes, the cells responsible for maintaining the cartilage.

4. New layers of cartilage are added to the existing cartilage, increasing its thickness and size over time.

Appositional growth allows cartilage to expand and adapt, particularly during periods of growth or in response to mechanical stress, helping to maintain tissue integrity and function.

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Mendel also proposed that the particulates separate independently into gametes, an idea known as:

default assortment

pre-established assortment

random assortment

known assortment

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independent assortment but I don't see that option so I guess known assortment

In contrast to younger patients, older patients are more prone to a decrease in blood pressure (bp) upon standing because

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Older patients are more prone to a decrease in blood pressure upon standing because the body is less able to adapt the BP to rapid postural changes.
When a patient standing, some of the blood come to the leg. With less blood, the heart is harder to maintain its pressure.
The body will respond with constricting the vessel or increasing heart muscle power. But in an elderly patient, this response is weaker. Some of the older patients also consume a drug that will disturb this mechanism.

What is the main influence of Earth's climate?

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A complex framework. The earth's climate is influenced by many factors, including solar radiation, wind, and ocean currents.

The first comprehensive life-span view was developed by _____.

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The first comprehensive lifespan view was developed by Erik Erikson. It is called the Erikson's stages of psychosocial development which identifies eight stages where a developing individual should be able to go through from infancy to adulthood. These stages are infancy (0 to 23 months), early childhood (2 to 4 years), preschool years (4 to 5 years), school age (5 to 12 years), adolescence (13 to 19 years), early adulthood (20 to 39 years), adulthood (40 to 64 years) and maturity (65 to death). In each stage, specific values, psychosocial crisis, significant relationship and existential question are being specified by Erikson.

A nurse needs to perform a postural drainage of both lung apices in a 4-year old child. in what position should the nurse place the child?

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The nurse should place the child on her lap in such a way that he is leaning forward slightly, flexed over a pillow. Postural drainage is the process of using percussion to loosen the thick, sticky mucous in the lungs, so that it can be removed by coughing.

Drugs that speed up the functioning of the nervous system are called ________.

Answers

They are called stimulants. Examples include nicotine and caffeine.

Answer:

Stimulants are the correct answer.

Explanation:

Stimulants or the psychostimulants are the substance or chemical that raise the activity of the nervous system especially CNS and the body.

These stimulants are the drugs that have a pleasurable and sympathetic effect such as tonics or energizer. These stimulants help in ADHD. Cocaine, meth, and others also use as stimulants for several cases.

Thus, the correct answer is - stimulants.

Can daca students be physician assistant

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Yes, DACA students be hired as physician assistant. Many health care providers are already accepting DACA students as physician assistants. As long as the student passed the requirements of the employer, he can very well be accepted as physician assistant.

Skeletal muscle tissue is striated and voluntary. true or false

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the answer is true all skeletal muscles are attached to some component of the skeleton, unlike smooth muscle which comprises hollow organs such as the intestines or blood vessels.

The nurse is caring for a patient who has sustained severe burns to 50% of the body. the nurse is aware that fluid shifts during the first week of the acute phase of a burn injury cause massive cell destruction. what should the nurse report immediately when reviewing laboratory studies?

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Fluid shift from vascular to interstitial can cause the water in blood is decreased, causing the other component level in blood seems to be increased(hemoconcentration).
In this case, hematocrit is one of the marker in laboratory that can be used for assessing hemoconcentration.

How many nitrogen atoms are in one molecule of the compound Al(NH 3 ) 2 ?

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There are 2 nitrogen atoms. This is because the (NH3) signifies an ammonia molecule. the 2 after the parentheses shows that there is 2 ammonia molecules. Therefore, you have 2 nitrogen molecules.

Answer:

2 Nitrogen.

Explanation:

The chemical compound contains more than one different element. The compound contain different chemicals that always combine in a fixed ratio and there constitution of the elements remain the same.

The molecule in the compound can be found by looking at the number of molecules and its formula. In the formula Al(NH 3 ) 2 Nitrogen has two molecules, as the single nitrogen will be multiplied by two present outside the formula.

Thus, the answer is 2.

Patients who have experienced even minor-appearing head injuries should be suspected of having a brain injury, especially if they:

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Especially if they ARE TAKING BLOOD THINNING MEDICATIONS. Brain injury refers to any insult to the brain in form of external physical force which produce a diminished or altered state of consciousness. Serious damage to the brain might occur if the injury hindered blood flow to the brain or if the blood that flow to the brain is deplete of oxygen.

How does the examples from redi, spallanzani, and Pasteur experiments demonstrate science as a way of knowing

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These scientists all carried out experiments in accordance with the basic biological principle that life comes from pre-existing life. This demonstrates that science is a way of knowing because they used what they saw in these experiments in other situations as well. They became able to do this only because they knew about this information and they got to know this information through science.

Answer:

Spontaneous generation

Explanation:

A ----- is a visual display of information or data

Answers

Final answer:

A chart is a tool used to visually display information or data, with formats like bar graphs, pie charts, frequency tables, histograms, and infographics being some of the many types available.

Explanation:

A chart is a visual display of information or data. There are various types of charts and graphs that are used to represent data in a visually engaging way. For instance, bar graphs are a popular choice when you want to compare the size, quantity, rates, distances, or other quantitative categories, and can display data for different groups like countries or years on the vertical axis.

Pie charts show data in the form of wedges in a circle, representing the percentage of the whole, making them suitable for displaying parts of a whole. On the other hand, a frequency table displays grouped data along with their corresponding frequencies, while a histogram uses contiguous rectangles to represent the frequency distribution of data, with the x-axis showing the data and the y-axis displaying the frequency.

Infographics combine text with various types of graphics to convey information succinctly, which is especially useful in newspapers and on the internet to quickly compare facts and trends. Remember, the impact of any graph or chart is based on the choices made during its creation, such as the time frame, the data included, how groups are divided, and the scale of the axes, therefore, they should be interpreted with a degree of skepticism.

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In the dog and cat, sesamoid bones are found between the

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In the dog and cat, sesamoid bones are found in joint between metacarpal bone and first phalanx.
sesamoid bone is a independent bone nodule that developed in a tendon where it passes over an angular structure. The bones are commonly found in the portions of metacarpal bones

Sesamoid bones, like the patella, are found within tendons near joints such as the knees, hands, and feet in both dogs and cats. They help in protecting the tendons and improving mechanical function at these joints.

In dogs and cats, sesamoid bones are typically found embedded within tendons near joints, particularly at the knees, hands, and feet. An example of a sesamoid bone that is common in both animals and humans is the patella (kneecap). The primary function of sesamoid bones is to protect tendons from compressive forces and improve the mechanical function of the joints they are associated with. These bones are small, flat, and are named due to their resemblance to a sesame seed. Although the number and exact placement can vary between individuals, they are always associated with tendons, especially in areas subjected to high pressure or tension.

Answering the specific question posed, in the context of the options provided (a. flat bones, b. short bones, c. sesamoid bones, d. irregular bones) in section 8 of the textbook, the correct choice is c. sesamoid bones.

Seasonal variations in ocean temperatures can impact the populations of living organisms in the ocean. How would a phytoplankton population be affected by these changes?

Answer:Lower ocean temperatures allow for phytoplankton to bloom, which increases the phytoplankton population.

Answers

A phytoplankton population would be affected by these changes by increasing the population of the phytoplankton. Low temperature of the ocean would allow for the phytoplanktons to bloom or reproduce. Therefore, high temperatures would slow down growth. This is because when water is warm there would be less mixing between the water layers and the nutrient rich water.

Answer:

Explanation:

These modifications would have an impact on a phytoplankton community by boosting the phytoplankton population. The ocean's cool temperature would enable phytoplanktons to flourish or proliferate. Therefore, growth would be slowed by high temperatures. This is due to the fact that warm water would mix less with the water that is nutrient-rich layers.

Ben was training for a cross-country bicycle race. During his practice run, Ben's tire went flat and he fell off of his bike, cutting both knees. He was worried that he would not be able to compete in the race being held in two weeks, but his father told him not to worry: His knees would be healed by then.

What process is responsible for new tissue growth and the healing of Ben's knees?
A) mitosis

B) meiosis

C) duplication

D) transcription

Answers

A.) Mitosis
In cell biology, mitosis is a part of the cell cycle when replicated chromosomes are separated into two new nuclei

Phospholipids are the main component of which of the following organelles?
Flagella
Lysosomes
Cytoskeleton
Plasma membrane

Answers

Plasma membrane has lots of phospholipids. It is also called phospholipid bilayer

Which is most important to check when inspecting by touch a possible fraudulent piece of id?

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The most important thing to check in this case is the thickness of the identification card. Identification cards usually have standard thickness. Ask for the ID card and run your thumb over it, checking its thickens, whether it is uniform with the normal ID card. In a situation where a picture is pasted over the original one, the thickness will be more in that area.

Using the information above, what is the correct sequence to describe the life cycle of a retrovirus.

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Let me help you!
Using the visual you provided, the correct sequence is:
Sequence one: The double-stranded DNA virus then enters the nucleus and integrates itself into the host's DNA.

Sequence two: after the retrovirus entered, the enzyme reverse transcriptase uses the RNA as atemplate to make a double-stranded viral DNA module.

Sequence three: The cell then makes new viral RNA and proteins, which can leave the host cell and infect other cells.

*Notice that in the first sequence, the word virus was added.

Research has found that in response to stress ______ tend to exhibit the so-called tend-and-befriend response.

a. males but not females

b. females but not males

c. neither males nor females

d. both males and females

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The answer is letter b. females but not males. It is because females have the capacity to show off their feelings or problems and they don't have the practice of keeping it to themselves for their way of coping up and dealing with their problems is having it expressed towards other people. While male on the other hand, tend to handle their emotions by keeping it hidden, where in they keep it to themselves. The tend and be-friend response is a way of seeking a group of people or another individual in order to gain mutual defense or in a way, seeking comfort. In which female exhibits.

A common form of abuse of amphetamines that is damaging to the body is __________
a. using amphetamines to counteract the effects of depressants taken the night before.
b. snorting.
c. mixing amphetamines with nicotine.

Answers

A common form of abuse of amphetamines which is damaging to the body is Snorting. This drug is used as a central nervous system stimulant. Thus, the correct option is B.

What are amphetamines?

Amphetamine is a drug, it is a strong central nervous system stimulant which is used in the treatment of attention deficit hyperactivity disorder, narcolepsy, and for the treatment of obesity. Amphetamine was discovered in the year 1887 and was present as two enantiomers: levoamphetamine and dextroamphetamine.

Amphetamines are the synthetic stimulant drugs, thus they can speed up the workings of the brain. There are legal and illegal amphetamines which are used widely. Long-term misuse of the amphetamines can lead to serious problems which includes changes to the brain, cardiovascular damage, malnutrition and anxiety.

Therefore, the correct option is B.

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Final answer:

Abusing amphetamines by using them to counteract depressant effects can lead to increased tolerance, psychological dependence, and severe health risks.

Explanation:

A common form of abuse of amphetamines that is damaging to the body is using amphetamines to counteract the effects of depressants taken the night before ( option A ). This practice can severely disrupt the body's natural processes, leading to increased tolerance and a dangerous psychological dependence on amphetamines. Amphetamines work by blocking the reuptake of neurotransmitters like dopamine, similarly to how cocaine works, but also stimulate their release, increasing the activity of the sympathetic nervous system.

This results in heightened alertness and energy, but also increases heart rate and blood pressure, which can be harmful over time. Furthermore, using amphetamines in this manner can lead to a dangerous cycle of dependency and intense withdrawal symptoms, such as severe psychological depression.

The sum of all the chemical reactions carried out in an organism is called

Answers

metabolisim is the sum of all chemical reactions carried out in an organisism.

Kayla is 4 years old and has recently begun coordinating the two sides of her body more efficiently. this development may be attributed to:

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The answer to this question is the growth of the corpus callosum. The Corpus callosum is the thick nerve that separates the two hemisphere of the brain which is the left and right hemisphere of the brain. Corpus Callosum is the part which allows the transmission of messages of the brain.

The most effective way to utilize abs brakes is to

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Anti lock Braking System [ABS] is an automobile safety system that allows the car wheels to make tractive contact with the road road surface in response to the driver's command. It prevents the wheel from locking up and the car from skidding. The most effective way to utilize ABS is to depress the brake pedal firmly until you regain the control of the vehicle. The principal aim of the ABS is to help one regain the control of one's car during panic stop.

Final answer:

To effectively use ABS brakes, apply steady pressure to the brake pedal and allow the ABS system to modulate braking force, preventing wheel lock and allowing for steering control.

Explanation:

The most effective way to utilize ABS brakes is to apply steady pressure to the brake pedal and allow the system to modulate the braking force to prevent the wheels from locking. This helps maintain steering control during an emergency stop or when braking on slippery surfaces. ABS systems, like those used in large vehicles such as trucks, work by converting gravitational potential energy into increased internal energy (higher temperature) of the brake material, which controls the speed without converting it into kinetic energy that would increase the truck's velocity.

Therefore, rather than pumping the brakes, drivers of ABS-equipped vehicles should apply constant, firm pressure on the brake pedal during a stop. ABS works best under these conditions because the system can adjust the braking force more rapidly than a driver can. This method helps prevent the wheels from locking and enables drivers to maintain control over the direction of the vehicle, which is particularly vital during sudden stops or on slippery roads.

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Cortez and Pizzaro are known as leaders who who won the Battle of Lake Champlain?? The four people at Carla's birthday will get one-quarter (one fourth) of the cake each. Carla puts 16 candies on the cake so that each person gets the same number on their piece of cake. How many candies will each person get on their piece of cake?Question 4 options:481216 A pharmacist has calculated that a patient requires 30 mmol of phosphate and 80 meq of potassium to be added to the pn. how many milliliters of potassium phosphate and how many milliliters of potassium chloride will be required? [k-phos is 3 mmol phosphate with 4.4 meq potassium per ml and kcl is 2 meq of potassium per ml.] Let f(x) = -10x-18 and g(x) = -3x, find (f-g)(x) In which town were patriots killed in the first battle of the american revolution? Which word best describes K tone in the following quotation, "Stare your fill, Rukmani; you always lacked good graces."A.scornfulB.politeC.angryD.sad In multiverses, does a person do the exact same thing in all of the different dimensions? And is the person a 100% identical to the other version in the other parallel universes? A quadratic equation is shown below: 3x2 15x + 20 = 0 Part A: Describe the solution(s) to the equation by just determining the radicand. Show your work. (5 points) Part B: Solve 3x2 + 5x 8 = 0 by using an appropriate method. Show the steps of your work, and explain why you chose the method used. (5 points) WILL MARK BRAINIEST!!e)Isabels competition,who sells books and no other products, charges a shipping fee of $1.99 per book plus a fixed fee of $3 for each order. Let x be the number of books purchased and f(x) be the price of shipping one order of books. Write a function that expresses f(x) and explain the value of f(x) for x = 0. (5 points)f)Graph the function in part e. (10 points)g)Is your graph discrete or continuous? Explain. (5 points) A textile corporation buys equivalent with an initial purchase price of $750000. It is estimated its useful life will be 3 years and at that time it's value will be$75000. The total depreciation is depreciation is divided equally among the three years. What is the total amount of depreciation declared each year? Why is the book of the dead important to ancient egypt? What are the four components of the core learning system? give a brief description of each component? The function h(x) = x2 + 14x + 41 represents a parabola.Part A: Rewrite the function in vertex form by completing the square. Show your work. (6 points) Part B: Determine the vertex and indicate whether it is a maximum or a minimum on the graph. How do you know? (2 points) Part C: Determine the axis of symmetry for h(x). (2 points) Lebron scored a basket 72 times out of 150 shots. what percent of his shots did he score?a. 42%b. 50%c. 48%d. 63% Water current has the greatest effect on which type of boat? Which tool should be used when transferring a patient from a bed to a wheelchair? Please helpppp !!!!!! In what ways was Georgia Unique among the Southern Colonies? During mid late 1600's? Public health protects which of the following? communitiesunderprivileged individualschildrenthe elderly Steam Workshop Downloader