Which is an explanation that is well supported by data, but can be altered or added to as more information is learned?

BIOLOGY 1

Answers

Answer 1
A Theory,

in scientific terms
Answer 2
A explenetion that is well supported by data but can change over time is a theory... a theory is not scientifically proven but it may be well accepted by people

Related Questions

_____ helps regulate water and electrolyte balance. med term

Answers

Answer: KIDNEY (URINARY/EXCRETORY SYSTEM) helps regulate water and electrolyte balance.

Kidney is an important organ of our urinary system that regulates chemical composition of blood, regulates water and electrolyte balance, etc in our body. Kidney is made up of nephron cells that filters water, reabsorbs amino acids, secrete and excrete urine outside the body.

Answer: the Kidney is the correct answer.

What is the correct order for the process of water eroding soil?


A. sheet erosion, rills, gullies

B. sheet erosion, gullies, rills

C. gullies, rills, sheet erosion

D. rills, sheet erosion, gullies

Answers

A. sheet erosion, rills, gullies

Answer:

The correct order for the process of water eroding soil is A.

1. Sheet erosion:  Water will remove a thin layer of soil from the soil surface.

2. Rill erosion:  Running water forms small channels in the soil.

3. Gully erosion: Running water moving on the rills concentrate to form larger channels.

what is the range for the following set of measurements? 27c, 12c, 31c, 19c, 23c, 11c, 17c 
 A) 0c to 100c
B)11c to 31c
C)1c
D)27c to 17c

Answers

12c
hopes that help you out

Answer: B) 11c to 31c

Explanation:

We know that the range of any data gives us a interval which contains all the data and provides an indication of statistical dispersion from minimum value to the maximum value.

The given set of measurements : - 27c, 12c, 31c, 19c, 23c, 11c, 17c

Here the highest measurement :- 31c

The least measurement :- 11c

Then , the range of the given set will be :-

11c to 31c

Hence, the  range for the given set of measurements is  11c to 31c  .

Cells that secrete the organic osteoid of bony matrix are called:

Answers

Cells that secrete the organic osteoid of bony matrix are called: osteoblasts

How have the Earth systems and life co-evolved over time?

Answers

Through evolution. The mechanism by which organism adapt and be able to survive in an environment however limited is because of evolution. Primitive life is different from the current ones because the early Earth was different from the ones that exists today. Further, as life thrived, Earth was able to supply the necessary materials for life to survive and continuous be complex as it is today.  

How does calhoun distinguish between the "numerical" and "concurrent" majorities?

Answers

Calhoun looked at the numerical majority as a counting of people within a society or community that needed to be socially exaggerating by having a systematic process of government, the concurrent majorities. Calhoun thought to enforce these laws and to leverage people into familiar hierarchies would keep societal laws in place and maintain order and control of resources and was beneficial to mankind.
John Caldwell Calhoun was a most important statesman and political theorist from South Carolina throughout the first half of the 19th century. He distinguished the numerical majorities by calculating the population of citizens and the concurrent majorities with those citizens or individuals involved in the government.

In which type of cell cycle(s) does viral dna become integrated into the host cell's dna?

Answers

dead, alive,dead and dna and rna 

an atom has an atomic number of 17, a mass of 37 amu, and a charge of -1. How many protons does this atom have? How many neutrons does this atom have? How many electrons does this atom have?

Answers

The atom has 17 protons, 20 neutrons, and 17 electrons. 

Answer:

In conclusion, we have:

17 protons

18 electrons

20 neutrons

Explanation:

Hello!

Let's solve this!

The atomic number indicates the number of protons that is equal to the number of electrons.

In this case, the number of protons is equal to 17.

The number of electrons is equal to 17.

To calculate the number of neutrons, we subtract the mass:

37-17 = 20.

Since the mass is equal to the number of neutrons plus that of protons.

In this case, the number of neutrons is 20.

As it has a charge -1, we add one more electron.

In conclusion, we have:

17 protons

18 electrons

20 neutrons

Which term is associated with asexual rather than sexual reproduction?
A) zygote
B) conjugation
C) binary fission
D) alternation of generations

Answers

C. Binary Fission is the answer

Answer: C. Binary fission

There are two modes of reproduction used by the living organisms to reproduce offspring. The asexual mode of reproduction is a process in which the organism does not require the gamete formation, and does not require a mate for copulation, only a single parent is involved in this process. The offspring produce are genetically identical to their parent. But sexual reproduction gamete formation is necessary, and a mate is required for copulation. The offspring are not genetically identical to their parents.

Binary fission is a term that is associated with asexual rather than sexual reproduction. Binary fission is a type of asexual reproduction, in this a fully mature parent cell divides into two daughter cells. In this process segregation of the genetic material and  it's replication takes place simultaneously. The genetic material is equally distributed to both of the daughter cells. Binary fission can be observed in some prokaryotes such as bacteria. It is also seen in single celled eukaryotes such as Amoeba and Paramecium.

Which of the following statements is true of meiosis?
a. It divides one haploid cell into four diploid cells.
b. It divides one haploid cell into two diploid cells.
c. It divides one diploid cell into two haploid cells.
d. It divides one diploid cell into four haploid cells.

Answers

the answer is D. It divides one diploid cell into four haploid cells. 
During the meiosis process the chromosomes o the parents will be reduced by half and produce them into four  gamete cells.
This process is really necessary for the production of sperm and egg cells needed in sexual reproduction

Answer: the answer to this question would be d because mesios are a dilpoild and theris one dilpoild and it will didvide it into a haploid in pairs of fours.

What is a chain of amino acids called?

Answers

A chain of amino acids is otherwise known as a protein. (These are bonded by polypeptide bonds)

A chain of amino acids is known as a polypeptide.  

• The fundamental unit of a protein is known as an amino acid. It is a monomer, which joins together to give rise to a protein.  

• The amino acids are joined together by a bond known as peptide bonds.  

• The joining of amino acids is a dehydration synthesis as in the process a molecule of water is eliminated.  

• The two amino acids joined together is known as a dipeptide, and a long chain of amino acids is known as a polypeptide.  

Thus, the chain of amino acids is known as a polypeptide.

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Which vessels contain deoxygenated blood?

Answers

The inferior vena cava carries... Veins carry the deoxygenated blood from different parts of the body to the heart. Among the veins, only pulmonary vein carries oxygenated blood (from lungs to left atrium). Among the 5 main vessels of our body, veins carry deoxygenated blood.

An infant has tricuspid atresia. how should the nurse interpret this finding?

Answers

Tricuspid atresia is a congenital heart disease in which the tricuspid valve is missing (absent).

Therefore, a child suffering from Tricuspid atresia  will be having no communication from the right atrium to the right ventricle due to the absence of right atrioventricular connection.

The location or organism where disease-causing agents exist and maintain their ability for infection.

Answers

It is the reservoir. It is the long haul host of a pathogen of an irresistible infection. Has regularly don't get the sickness conveyed by the pathogen, or it is conveyed as a subclinical disease as is asymptomatic and non-deadly. 

A reservoir is an irresistible specialist ordinarily lives and increases, on which it depends basically for survival, and where it replicates itself in such way that it can be transmitted to a vulnerable host.

During digestion, water is both added and removed. Which area of the digestive system removes water?

Answers

Answer:

Large intestine

Explanation:

Large intestine is the part of the digestive system that consists of cecum, the colon and the rectum. The undigested food enter from small intestine into large intestine. Function of large intestine is to absorb water, salts and vitamins from the undigested food. The undigested and unabsorbed substances form faeces and is stored in rectum till defaecation.

Answer:

Large Intestine

Explanation:

Water from the undigested food is removed by the large intestine. All the nutrients have been absorbed from the food before it reaches large intestine.

Large intestine removes water and make stool consistent enough so that it is easily removed.

There are three main parts of large intestine

a) Cecum - cecum has no major role in food digestion. It passes the food to the colon

b) Colon  - It has three sub parts

     i. the ascending colon - Bacteria in colon digest the remaining food

     ii. the transverse colon - It absorbs fluid and salts

     iii. the descending colon - hold the waste

c) rectum

a chemist is studying the effects of minerals on plant growth. she knows that phosphorus stimulates plant growth. She decides to test the effects of various phosphorus concentrations on plants every 5 days over a 20 day period. What is the independent variable in this experiment
a. amount of plant growth
b. phosphorus concentration
c. time of experiment
d. types of plants

Answers

I think its b because its the one that the chemist is changing

Answer: Option B

Explanation:

A chemist is performing an experiment in which he is testing the effect of various phosphorus concentration on the growth of plants.

She decides to change the concentration of phosphorus on every 5th day over a total growth period of 20 days.

The growth of plants will change according to change in concentration of phosphorus. So, the concentration of phosphorus is independent variable.

Hence, the correct answer is option B  

Which of the following is not a feature of echinoderms?

Answers

What are the choices ?

body segments         is the answer

A food handler has finished grilling a chicken breast for a sandwich. what should the food handler do before touching the chicken lettuce tomato and bun?

Answers

A food handler placing a chicken breast on the grill and then placing tomato and lettuce on a bun is an example of cross-contamination.  

Prior to touching the chicken, lettuce, tomato, and bun, the food handler should wash his hands and make sure that he or she is wearing the right equipment at the time of handling the food. This can be a mask, gloves, and goggles if necessary to prevent any contamination of the food.


A food handler should wash his/her hands then wear protective clothing

and gloves before touching the chicken lettuce tomato and bun.

Food handlers are usually trained to handle food in a hygienic way. This

helps to prevent contamination of the food with pathogenic micro-organisms.

The protective clothes and gloves should be worn when handling food and

before touching the chicken lettuce tomato and bun to keep everyone safe

and healthy.

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What happens to the speed of sound as pressure, temperature, and salinity increase?

Answers

Ans : The speed of sound is the distance travelled per unit time by a sound wave as it propagates through an elastic medium. At 20 °C (68 °F), the speed of sound is 343 metres per second (1,125 ft/s; 1,235 km/h; 767 mph; 667 kn), or a kilometre in 2.91 s or a mile in 4.69 s. The speed of sound in water increases with increasing water temperature, increasing salinity and increasing pressure (depth). The approximate change in the speed of sound with a change in each property is: Temperature 1°C = 4.0 m/s Salinity 1PSU = 1.4 m/s Depth (pressure) 1km = 17 m/s

____ organized on chromosomes carry the information that controls the functions of the cell.

Answers

Genes organized on chromosomes carry the information that controls the functions of the cell. Each gene contains a particular set of code for a particular molecule or protein for a specific function.

List the four (4) major groups for the antidepressant medications and the prototype of each one.what are the major differences between the four (4) classes?

Answers

Major groups and differences between them:

1- TCA - tricyclic antidepressant- TCA's increase levels of 2 neurotransmitters( norepinephrine and serotonin)in the synapse, that are low in cases of depression. TCA's also block the actions of another neurotransmitter, acetylcholine.
      
  prototypes: amoxapine, imipramine, clomipramine, nortriptyline


2. SSRI - selective serotonin reuptake inhibitor-  prevents reabsorption of serotonin in the synapses, just like TCA's but only for serotonin.

    prototypes:Fluoxetine, Sertraline, Paroxitine


3. MAOI -monoamine oxidase inhibitor-  This class of drug blocks a enzyme (MAO) responsible for destroing the neurotransmitters that are low in the brain in case of depression. This drug will allow more "happy" neurotransmitters to be in the brain, causing less depression.

       prototypes: selegiline, isocarboxazid, phenelzine
 
4. Atypical antidepressant-  In this group there are medications that work in different ways from one another. They change the levels of one or more neurotransmitters, serotonin, dopamine, or norepinephrine
    
Prototypes: Bupropion, Mirtazapine, Trazodone, Vortioxetine



















The four main groups of antidepressant medications and the prototypes for each one are as follows: 1. TCA - tricyclic antidepressant 2. SSRI - selective serotonin reuptake inhibitor 3. MAOI -monoamine oxidase inhibitor 4. Atypical antidepressant Major differences include side effects and the way each affects the individual's brain chemistry, which can only be discovered through trial and error.

During the light- dependent reaction of photosynthesis light energy is coverted into form of energy?

Answers

It is converted into chemical energy.

Snakes shed their outermost layer of skin regularly. Which characteristic of life is this action an example of?

A)excretion
B)growth
C)homeostasis
D)nutrition
E)reproduction

Answers

Growth is the right answer, because ecdysis or moulting term is associated with shedding of exoskeleton . Snakes do so to increase in size and for development

Answer:

the correct awnser is (A)

Explanation:

It seems to either be homeostasis so the snake may regulate its state of being like how a person will take off their coat when it gets too warm or growth where the snake sheds its skin to prepare for growth. From what I can tell, the answer can't be excretion, reproduction, or nutrition. As the skin, gave no initial nutritional value so that eliminates excretion and nutrition. The snake isn't giving birth to other snakes during this process so that eliminates Reproduction.

Compulsive exercise would most likely be present in which eating disorder?

Answers

The answer to this question would be: anorexia athletica

Anorexia athletica or sports anorexia or hypergymnastica is an eating disorder that involves a compulsive exercise behavior. In this case, the patient will try to exercise because of guilt. The exercise hoped will remove the excess food that he/she eats 

The correct answer is Anorexia Nervosa.

Compulsive exercise is a common feature in individuals with Anorexia Nervosa. This behavior is often driven by an intense fear of gaining weight or becoming fat, and it is used as a means to control body shape and weight. People with Anorexia Nervosa may engage in excessive physical activity despite being underweight, injured, or in poor physical health. This compulsive exercise can exacerbate the health risks associated with the disorder, including cardiac complications, osteoporosis, and muscle wasting.

 While compulsive exercise can also be present in other eating disorders such as Bulimia Nervosa or Eating Disorder Not Otherwise Specified (EDNOS), it is most characteristic of Anorexia Nervosa due to the relentless pursuit of thinness and the restrictive eating patterns associated with the disorder. It is important to note that not all individuals with Anorexia Nervosa will exhibit compulsive exercise, but it is a common and concerning symptom when present.

What is the deadly protist called naegleria that can cause meningitis?

Answers

Naegleria is a deadly protist that can cause meningitis and also lead to death. This can be found in warm bodies of water and has been found in public swimming places, like beaches. It can infect a person's CNS (central nervous disorder). They dealy parasite will enter a person's body through their nose. it follows a path to their brain. Many times a person does not know they are infected until it to late. The estimated amount of people who actually survive this is 5% with 95% of the people dying. They usually pass away within 4-5 days. 

During an interview, a teenage patient says, "i don't use many drugs." which would be the best response by the nurse?

Answers

Why do you use any drugs? What are these drugs used for and are they recreational or prescribed. If they are prescribed then are they prescribed to you or someone else?

The term meaning any degenerative disease of the brain is

Answers

Your answer should be encephalopathy.

Hope this helped.

Give the term for the cell type that is characterized by a lack of any internal membrane bound organelles.

Answers

Prokaryotic is the term used for the cell type without any membrane-bound organelles. All the proteins, DNA and metabolites that are inside the cell are all together in the cytoplasm that's held by a cell membrane, instead of all enclosed in separate compartments or organelles.

Answer:

ok

Explanation:

that

Not breastfeeding baby what happens later

Answers

They eventually lose the nutrients needed

Final answer:

Not breastfeeding a baby means missing out on the vital nutrients, immunoglobulins, and other health benefits provided by breast milk. Sudden cessation of breastfeeding can cause physical effects in the mother, like breast engorgement and leakage, due to a disrupted supply-demand relationship. Without resumption, milk production will usually cease within about a week.

Explanation:

When a baby is not breastfed, they do not receive the benefits provided by breast milk. Suckling stimulates the production of prolactin which leads to milk production in the mammary glands. Oxytocin is released as well, which aids in milk let-down. This process ensures that the baby receives a balanced supply of nutrients tailored to its development phase, including colostrum, which is rich in immunoglobulins necessary for the infant's immune system. Additionally, breast milk contains components that help the infant's digestive system expel meconium and clear bilirubin. If a mother stops breastfeeding suddenly, prolactin and oxytocin levels can decrease, leading to breast engorgement and leakage, mirroring the experiences in the initial weeks following birth. The engorgement occurs because the supply-demand relationship has been disrupted. Although a lactating person can produce milk for years, if breastfeeding is not resumed within approximately one week, the remaining milk will be reabsorbed, and in most cases, no more will be produced.

After being medicated for anxiety, a client says to a nurse, "i guess you are too busy to stay with me." how should the nurse respond?

Answers

The nurse should be honest with the patient, they should not make promises to stay if they can't fulfil them. The nurse should try and find someone else who can sit with the patient if they can't as if they are anxious they will get more anxious and distressed if they are left alone.
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And he had been some time in chevachie, In Flanders, in Artois, and Picardie,45And borne him well, as of so little space, In hope to standen in his lady's grace.Embroider'd was he, as it were a meadAll full of freshe flowers, white and red.Singing he was, or fluting all the day;50He was as fresh as is the month of May.Short was his gown, with sleeves long and wide.Well could he sit on horse, and faire ride.He coulde songes make, and well indite,Joust, and eke dance, and well pourtray and write.55So hot he loved, that by nightertale He slept no more than doth the nightingale.Courteous he was, lowly, and serviceable,And carv'd before his father at the table.-----------------------------------1. 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