an advertisement on tv claims children grow faster with the use of vitamin gro. vitamin gro is a 25mg pill taken twice a day. the viewer has little knowledge about how children grow, but he knows that children need a complete diet and a good exercise routine. he decided to put the commercial to the test. the viewer uses his 6 nieces who are the same age to conduct the experiments. to make the experiment easier he uses his six nieces using labels such as child 1, child 2 and so on. he records their height every 3 days for 7 days. What are the variables?

Answers

Answer 1

Answer:

Independent variable - vitamin gro and exercise routine.

Dependent variable - growth of children or nieces.

Explanation:

There are two variables present in an experiment called dependent and independent variables.

Independent variables are those variables which can be controlled in an experiment and dependent variables are those variables which are measured in the experiment under the influence of the independent variable.

In the given experiment, the independent variable will be vitamin gro and exercise routine and the dependent variable is the growth of children or nieces because vitamin gro and exercise routine can be controlled and growth of children is dependent on vitamin gro and exercise routine.


Related Questions

_____ is work done to keep equipment in good working order.

Answers

This question is incomplete; here is the complete question:

_____ is work done to keep equipment in good working order.

A. Defragmentation

B. Preventive maintenance

C. Virus protection

D. A maintenance schedule

The correct answer is B. Preventive maintenance

Explanation:

Maintenance refers to the processes done on machinery or equipment to preserve its proper functioning. Moreover, this maintenance is preventive if it is done to prevent equipment from breaking down or having any malfunctioning. Besides this, preventive maintenance is globally recommended because in this way equipment used at home or in business works properly. According to this, the correct answer is preventive maintenance.

Where does translation and transcription occur in prokaryotic cells? (1 point)
O nucleus
O cytoplasm
O ribosomes
ocell membrane

Answers

Answer:

Cytoplasm

Explanation:

Answer:

operon

Explanation:

protains after digestion converted into
a.carbonhydrates
b.small globules
c.amino acids
d.starch​

Answers

Answer:

I hope small globules.

Which of the following is not a function of Mitosis? A. Growth and development B. Produce genetically identical daughter cells C. Produce genetically different daughter cells D. Replace damaged cells

Answers

C. Produce genetically different daughter cells, is not a function of mitosis

1. What is enzyme lactase used for, and what in what condition is lactase not available?
2. Which are supposed to be healthier for humans to consume, saturated fats or unsaturated fats? Hypothesize what the types of bonds in the fats might have to do with this.
3. For each compound below, list the molecular formula and name the elements present.
A) adenosine triphosphate (ATP)
B) glucose
C) urea
D) penicillin
E) cholesterol
F) testosterone
G) phenylalanine

Thanks!

Answers

1)This product is an enzyme supplement used to help people who have trouble digesting milk and other dairy products (lactose intolerance). Lactose is a type of sugar found in milk products. Lactase enzyme is normally produced by the body to help break down (digest) lactose.Lactose intolerance happens when your small intestine does not make enough of a digestive enzyme called lactase.

2)Many foods do not contain just saturated or unsaturated fats, which can make it difficult for a person to eliminate only one type. Most health organizations and dietary experts recommend eating saturated fats in moderation and replacing them with unsaturated fats when possible.

3)1)C10H16N5O13P3- ribose, a five-carbon sugar, three phosphate groups, and adenine , a nitrogen-containing compound (also known as a nitrogenous base)

2)C₆H₁₂O₆-carbon, hydrogen and oxygen.

3)CH₄N₂O-1 carbon,4 hydrogen ,2 nitrogen ,1 oxygen.

4)C16H18N2O4S-Carbon, hydrogen, oxygen, nitrogen, sulfur

5)C27H46O- protein

6) C19H28O2-(sorry i didn't know the elements)

7)C9H11NO2-amino acid

hope it helps!!!!

Which of these statements most accurately describes currencies in North America

Answers

Answer:

North American countries have done away with separate currencies. Each country in North America uses its own currency. 2. See ...

What is a biological approach to determining when a mother and her conceptus become separate individuals?

Answers

Answer:

Electroencephalography.

Explanation:

Electroencephalography is used to measure brain activity in terms of electrical activity. It is done by attaching electrodes on the scalp, or sometimes by placing electrodes directly in the brain. Using electroencephalography can help determine when the fetus starts having its own brain activities, which means that it is now a separate entity distinguishable from its mother. Using electroencephalography to see brain waves can give us a deeper insight into the age old complicated issue of when a mother and her conceptus become separate individuals.

The functions of the oral cavity include all of the following except Select one: A. mechanical processing of food. B. absorption of monosaccharides. C. digestion of carbohydrates. D. lubrication. E. sensory analysis of material before swallowing.

Answers

Answer:

C. Digestion of carbohydrates.

Explanation:

The function of the oral cavity that is not performed by the oral cavity is B) absorption of monosaccharides.

What is oral cavity?

The oral cavity, also known as the mouth, plays a crucial role in the digestive process. Its main functions include mechanical processing of food by chewing and grinding, sensory analysis of material before swallowing through taste buds, and lubrication of food through the production of saliva.

The oral cavity also begins the process of digestion by breaking down carbohydrates with the help of enzymes in saliva. Additionally, the oral cavity serves as the entry point for air during breathing and speech. Proper oral health, including brushing, flossing, and regular dental check-ups, is important for maintaining overall health and wellness.

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A persons thoughts are central to which type of therapy?

Answers

Answer:

Cognitive therapy

Explanation:

is a form of psychotherapy that focuses on how a person's thoughts lead to feelings of distress. The idea behind cognitive therapy is that how you think determines how you feel and act. Cognitive therapists help their clients change dysfunctional thoughts in order to relieve distress.

Hormones perform important functions within the reproductive system. During puberty, secondary sex characteristics develop. Which hormone is responsible for the development of these characteristics in the female?

Answers

Answer:

estrogen

Explanation:

it helps in regrowth of endometrial regrowth ovulation and calcium absorption and is also responsible for breast development

Hii!! The correct answer is A. estrogen. (:

The valve present between right atrium and ventricle is​

Answers

the person above me answered this correctly!!

Which element provides strength to the exoskeletons of clams and oysters?
sulfur
oxygen
hydrogen
phosphorus​

Answers

Your answer is phosphorus

Please give brainliest

Phosphorus provides strength to the exoskeletons of clams and oysters. Thus, the correct option is D.

The exoskeleton of organisms including clams and oysters is made up of primarily calcium in the form of calcium phosphate and calcium carbonate.

Calcium phosphate is also present in the form of hydroxyapatite which is Ca₁₀(PO₄)₆(OH)₂ which provides invariable strength to the exoskeletal structure.

Thus, as phosphorus is a part of the exoskeleton, the correct option is D.

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Which of the following groups could be identified using the biological species concept? Select all that apply. Select all that apply. bacteria living today extinct dinosaurs sunflower species living today lizard species living today

Answers

Answer:

Bacteria, Sunflowers, Lizards.

Explanation:

They are all biological species due to being apart of flora and fauna. It wouldn't be dinosaurs since biologists study living things, dinosaurs are extinct.

The groups 'sunflower species living today' and 'lizard species living today' could be identified using the biological species concept.

The biological species concept defines a species as a special group of interfertile individuals.

These individuals can then cross in order to produce fertile offspring and thus perpetuate the species.

The biological species concept was developed by the biologist Ernst Mayr.

In conclusion, the groups 'sunflower species living today' and 'lizard species living today' could be identified using the biological species concept.

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Match the scientist with the correct description or statement regarding the discovery of the DNA structure.
1. The British scientist working on DNA structure in the 1940's at King's College in London
a. Francis Crick
b. Rosalind Franklin
c. Erwin Chargaff
d. Linus Pauling
e. Maurice Wilkins
f. James Watson
2. An expert of x-ray crystallography
a. Francis Crick
b. Rosalind Franklin
c. Erwin Chargaff
d. Linus Pauling
e. Maurice Wilkins
f. James Watson
3. An American scientist who won the Nobel Prize for work on protein modeling
a. Francis Crick
b. Rosalind Franklin
c. Erwin Chargaff
d. Linus Pauling
e. Maurice Wilkins
f. James Watson
4. Had conducted experiments that showed the ratio of adenine in a DNA molecule was equivalent to the ratio of thymine
a. Francis Crick
b. Rosalind Franklin
c. Erwin Chargaff
d. Linus Pauling
e. Maurice Wilkins
f. James Watson
5. Worked with Francis Crick in Cambridge at the Cavendish Laboratory constructing a model for DNA
a. Francis Crick
b. Rosalind Franklin
c. Erwin Chargaff
d. Linus Pauling
e. Maurice Wilkins
f. James Watson
6. Along with Watson and Crick, won the Nobel Prize for Physiology in 1962
a. Francis Crick
b. Rosalind Franklin
c. Erwin Chargaff
d. Linus Pauling
e. Maurice Wilkins
f. James Watson
7. Credited for the famous "photo 51"
a. Francis Crick
b. Rosalind Franklin
c. Erwin Chargaff
d. Linus Pauling
e. Maurice Wilkins
f. James Watson
8. Worked out mathematically what a helical defraction should look like in an x-ray defraction photo
a. Francis Crick
b. Rosalind Franklin
c. Erwin Chargaff
d. Linus Pauling
e. Maurice Wilkins
f. James Watson

Answers

Answer:

1. Maurice Wilkins

2. Rosalind Franklin

3. Linus Pauling

4. Erwin Chargaff

5. James Watson

6. Francis Crick

7. Rosalind Franklin

8.

Explanation:

1. Maurice Hugh Frederick Wilkins was a British scientist,  both a molecular biologist and physicist. He made an outstanding contribution to the scientific discovery of the DNA structure. He is well known for his work in the 1940s at King's College in London, where he used optical spectroscopy to understudy the structure of the DNA.

2. Rosalind Elsie Franklin was an expert x-ray crystallographer and chemist, she contributed immensely to the understanding and discovery of the DNA structures as well as the molecular structure of coal, RNA and viruses.

3. Linus Carl Pauling was an American scientist who made a huge impact in the field of molecular biology, he played an important role in the molecular modelling of proteins and this helped in further understanding the DNA code.

4. Erwin Chargaff was an American scientist who formulated the Chargaff's rules and his experimentations helped to show that the ratio of adenine in a DNA molecule was equivalent to the ratio of thymine, as well of the ratio of guanine in a DNA molecule was equivalent to the ratio of cytosine.

5. James Watson and Francis Crick both worked in the Cavendish Laboratory to elucidate the 3- dimensional structure of the DNA.

6. Maurice Hugh Frederick Wilkins along with James Watson and Francis Crick won the Nobel Prize for Physiology in 1962 for their discovery of the molecular structure of the DNA.

7. Rosalind Elsie Franklin was an English scientist and x-crystallographer was famous for "photo 51", this helped to first prove that the DNA was a double helix structure.

8. Rosalind Elsie Franklin worked out mathematically what a helical defraction should look like in an x-ray defraction photo.

The diagram represents a food pyramid. The concentration of the pesticide DDT in individual
organisms at level D is higher than the concentration in individuals at level A because DDT is
A. produced by organisms at level C ingested by
those in level D
B. passed through levels A, B, and C to organisms
at level D.
C. excreted by organisms at level A as a toxic
waste.
D. synthesized by organisms at level D.

Answers

Answer:

The answer is "Choice b".

Explanation:

In the given question diagram is missing. so first, we define the diagram after that we explain why the above given choice is correct.  

In the attached file the food pyramid can be a divide into the level, in which the D pesticides use the "dichloro-diphenyl-trichloroethane ", which concentration is higher than its entities from the level of A because DDT is transferred with species at level D by levels A, B, and C, that's why the choice "b" is correct.  

An sixty-year-old man has painful fluid-filled vesicles that have begun crusting over in a wide band across the left side of his lumbar area. He has a history of chickenpox. Based on this information, the likely disease is which is caused by:________

a. scabies, Pediculosis humanus
b. fever blisters, HSV-1
c. impetigo, Staphylococcus aureus
d. German measles, Rubella
e. shingles, varicella-zoster virus

Answers

Answer: shingles, varicella-zoster virus

Explanation:

It should be noted that shingles usually occur with old people and it causes a painful rash when the chicken pox virus is reactivated in the body.

Since the man is old and has painful fluid-filled vesicles that have begun crusting over in a wide band across the left side of his lumbar area and also has a history of chickenpox, it's very likely it is shingles.

_is a molecule that directs all of a cells activities

Answers

Answer:

[tex]\boxed{\mathrm{Nucleus}}[/tex]

Explanation:

The nucleus directs all cellular activities. The nucleus also contains genetic material of eukaryotic organisms.

"I can be single celled or multicelled. I can reproduce sexually or asexually. I can be heterotrophic or autotrophic. I am Eukaryotic. What am I?"

Answers

Answer:

The correct answer is a protist.

Explanation:

A eukaryotic organism, which cannot be categorized as an animal, plant, or fungus is known as protists. They are majorly unicellular, however, some of them are multicellular like algae. Some of the protists can attain energy for living by consuming other organisms, that is, they are heterotrophic. While some obtain energy from the surroundings via the process of photosynthesis, that is, they are also autotrophic.  

The protists are mainly found in water, however, some of them also thrive in moist soil. These species can be seen anywhere on the Earth, where there is liquid, even within human beings. The reproduction is some of the protists takes place sexually, that is, with the help of gametes, while in some of the protists asexual reproduction also takes place, that is, by the process of binary fission.  

Non segmentation allows for evolutionary innovation in body form. True or false

Answers

Answer:

True

Explanation:

what organ lies over the surface of the heart​

Answers

Answer:

lungs

Explanation:

Which of the following will most likely result in anaerobic respiration? A. Running B. Walking C. Sitting D. Solving Algebra equations

Answers

Answer:

A-Running

Explanation:

Anaerobic respiration is the breakdown of glucose to produce energy in the absence of oxygen. We usually respire anaerobically when we exercise so running would be the most likely answer.

Hope it helps...

Which statement explains how a DNA mutation causes sickle-cell anemia? (point)
The DNA mutation increases the number of amino acids in hemoglobin, which causes a change in the shape of red blood cells.
The DNA mutation causes a change in the amino acid sequence for hemoglobin, which causes a change in the shape of red blood cells.
The DNA mutation decreases the number of amino acids in hemoglobin, which causes a change in the shape of red blood cells.
O The DNA mutation prevents formation of hemoglobin, the absence of wirich causes a change in the shape of red blood cells.

Answers

Answer:

The DNA mutation causes a change in the amino acid sequence for hemoglobin, which causes a change in the shape of red blood cells.

Explanation:

Sickle cell anemia is one of a group of disorders known as sickle cell disease. Sickle cell anemia is an inherited red blood cell disorder in which there aren't enough healthy red blood cells to carry oxygen throughout your body.

Normally, the flexible, round red blood cells move easily through blood vessels. In sickle cell anemia, the red blood are shaped like sickles or crescent moons. These rigid, sticky cells can get stuck in small blood vessels, which can slow or block blood flow and oxygen to parts of the body.

Sickle cell anemia is caused by a mutation in the gene that tells your body to make the iron-rich compound that makes blood red and enables red blood cells to carry oxygen from your lungs throughout your body (hemoglobin). In sickle cell anemia, the abnormal hemoglobin causes red blood cells to become rigid, sticky and misshapen.

The sickle cell mutation reflects a single change in the amino acid building blocks of the oxygen-transport protein, hemoglobin. This protein, which is the component that gives red cells their color, has two subunits. The alpha subunit is normal in people with sickle cell disease. The beta subunit has the amino acid valine at position 6 instead of the glutamic acid that is normally present. The alteration is the basis of all the problems that occur in people with sickle cell disease.

The DNA mutation causes a change in the amino acid sequence for hemoglobin, which causes a change in the shape of red blood cells.

What is mutation?

A mutation is an alteration in the nucleic acid sequence of the genome of an organism, virus, or extrachromosomal DNA. Viral genomes contain either DNA or RNA.

Moreover, a mutation is a change in the DNA sequence of an organism. Mutations can result from errors in DNA replication during cell division, exposure to mutagens or a viral infection.

Therefore, when a gene mutation occurs, the nucleotides are in the wrong order which means the coded instructions are wrong and faulty proteins are made or control switches are changed. The body can't function as it should. Mutations can be inherited from one or both parents.

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S100A8 sex chromosome? yes or no

Answers

Answer:

yes !!

Explanation:

because it's yes !!

Answer:

YES

Explanation:

I know this because i looked it up

What’s the food chain for algae,seal lion,zooplankton,squid and salmon

Answers

Answer:

algae, zooplankton, salmon,squid, seal,lion

The food chain is algae, zooplankton, salmon,squid, seal,lion.

Foodchain provides blockchain technology to trace and digitally authenticate food products, enabling a transparent, safe and reliable supply chain ecosystem.

What are the 4 food chains?

It is a way of classifying animals, plants, and fungi that eat other organisms in order to survive. The four levels in this food chain are: primary consumers, secondary consumers, tertiary consumers, and finally decomposers or phytoremediators.

Thus, algae, zooplankton, salmon,squid, seal,lion.

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True or dalse. The cell that produces interferon is protected from the infectious agent.​

Answers

Answer:

True

I hope this helps!

A purebred tall pea plant is cross-pollinated with a tall, heterozygous pea plant. Use a Punnett square to determine the probability the offspring inherita
recessive short allele. (I point)
75%
25%
0%
50%

Answers

Answer:

The correct answer is - 25%.

Explanation:

A cross pollination between purebred tall pea plant and a heterozygous pea plant occurred as per the given condition. TT  is the allele representation of the purebred plant and heterozygous plant is represented by Tt, so the gametes will be formed would be - T & T and T & t allele.

The Punnett square of this cross is attached with the answer,

So the probability of short allele would be:

= (2/8) *100 , (where 2 is the number of short allele in offspring where 8 is total number of alleles)

= (1/4) *100  

= 25%

contrast primary growth and secondary growth

Answers

Answer:

There are contrast of the Primary growth and Secondary growth in many ways.

Explanation:

The Primary growth is to increase the length of that shoot and the root is referred to the primary growth.The primary growth act the way as shoot apical causing extension to the growth system into the root and ground they root are apical.The primary growth is the plant into that ground to contain water and nutrients that with the soil relation.The primary growth is that root can take different forms depends on the plant is Mono cot,the primary root replace by the stem after the plant germinates its called Adventitious root.The secondary growth is that performed to increase by the girth of the plant.Secondary growth is to produce the lateral cambiums that layer of tissue add to the plant growth.Secondary growth is that performed and support from the shoot system into the transporting  that water and nutrients.Secondary growth is to provide the cross section of the stem and the replace with newer layer, the layer of that growth bark.Secondary growth is to consist that bark remain that the narrow of band, it root is transformed.

The free-energy changes of the individual steps in a pathway are summed to determine the overall free-energy change.
A. True
B. False

Answers

The answer is A. True

Is fertile soil renewable or non renewable?

Answers

Answer:

Its preservation is essential for food security and our sustainable future. Soil is a finite resource, meaning its loss and degradation is not recoverable within a human lifespan

Explanation:

What processes can change igneous rock into sedimentary rock?

Answers

Answer: Erosion

Explanation:The process of erosion and depositing rock grains (also known as sedimentation) can change igneous rock into sedimentary rock.

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Which best identifies the requirements for work to be performed? an object that has a force acting on it an object that is moving and has no net force a force acting on a motionless object a force that moves an object Highlight all the words that make up the complete subject of the sentence.Doing the tango was SpongeBob SquarePants's best party trick. What is most similar about the alkaline earth metals? Back to school Means? (04.06 HC) Lee la seleccin y contesta la pregunta segn la lectura. Read the selection and then respond to the question based on what you read. Cualquier persona que piense dedicar su vida profesional a los museos debera reconocer la difcil opcin de su formacin. El camino tradicional sera estudiar Historia o Historia del Arte, o tal vez, Bellas Artes. Podra dirigirse hacia asignaturas como museologa y museografa; despus, podra optar a algunas maestras sobre esta especialidad. Which person would most likely search for this article? 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The second quartile in the data set is $160 per night. why do you think some people would want to buy a piece of clothing worn by a famous person? What would you do at a "cine?" dance see a movie eat play a game According to a study, the probability that a randomly selected teenagar shopped at a mall at least once during a week was 0.61. Let X be the number of students in a randomly selected group of 50 that will shop at a mall during the next week. (a) Compute the expected value and standard deviation of X. expected value standard deviation (b) Fill in the missing quantity. (Round your answer to the nearest whole number.)There is an approximately 2.5% chance that _____ or more teenagers in the group will shop at the mall during the next week. Find the first four terms of the sequence given a1=18 and an+1=2+an2. A. 18, 10, 6, 5 B. 18, 10, 6, 9 C. 18, 14, 6, 9 D. 18, 10, 6, 4 Given the two functions, which statement is true?fx = 3^4, g(x) = 3^x + 5 An ideal turbojet engine is analyzed using the cold air standard method. Given specific operating conditions determine the temperature, pressure, and enthalpy at each state, and the exit velocity. --Given Values--T1 (K) = 249P1 (kPa) = 61V1 (m/s) = 209rp = 10.7rc = 1.8Required:a. Determine the temperature (K) at state 2.b. Determine the pressure (kPa) at state 2.c. Determine the specific enthalpy (kJ/kg) at state 2.d. Determine the temperature (K) at state 3. Zach keeps his pet chameleon Pinky in a terrarium with the dimensions shown below. There's sand in the bottom of the terrarium that reaches a height of 8 centimeters. Zach gets a new terrarium for Pinky that is larger. The base of the new terrarium is 25 by 64 centimeters. Zach moved the existing sand to the new terrarium. How wrote the first Holy Quran??? And when??? Name 3-4 invasive species here in OH. what they are doing to the native species.and if there are any current control measures in place. The American tradition of social and political activism is best shown throughwhich movement?A. Proslavery societiesB. The "back to Africa" movementC. AbolitionD. Manifest Destiny PLEASE HELP IM SO LOST1. Ted is working on his financial plan and lists all of his income and expenses in the spreadsheet below.BNet Pay$5,0002Interest on Deposits $03 Income from Investments $2254 Rent$3,0005 Utilities$2506 Satellite Dish$1757 Cell Phone Plan$1358 Car Payment$3859 Groceries$20010 Insurance$38011 Recreation$400What is Ted's net cash flow?2. Tamara earns $8 an hour at her job working 25 hours per week. If her net pay is 78% of her paycheckand she has no other sources of income, what is Tamara's monthly cash inflow? (Assume there are 4pays per month.) Choose the correct French subject pronoun for the English subject pronoun provided.You all (plural) Elles Vous Ils Nous Based on your case knowledge, to what extent do you agree or disagree with the following statement - "Kay Whitmore - Kodak CEO, had an understanding of Kodak's potential in the PC market. This was illustrated by her strong engagement with Bill Gates and Microsoft."1. Strongly Agree2. Mildly Agree3. Neither Agree nor Disagree4. MIldly Disagree5. Strongly Disagree6. Not Applicable PLEASE!! HELP!! Choose the option that completes the sentence and describes the image using the impersonal se. Me alegro mucho porque en esta tienda, s ________ (vender) helado. no se venden se venden no se vende se vende