How is the mechanism of hearing different if the handle of the tuning fork is held on the mastoid process instead of holding the tuning fork tines near the ear canal?

Answers

Answer 1

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Answer 2

The sound enters the inner ear directly when it is held on the mastoid process, which is a change in the hearing mechanism. It is done for Rinne test.

What is a tuning fork?

A tuning fork is a U-shaped metal object that has a handle of metal below it. It is used in hearing tests.

Thus, the difference in the mechanism of hearing when it is held on the mastoid process is the sound gets directly into the inner ear. It is done for the Rinne test.

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Related Questions

The valve present between right atrium and ventricle is​

Answers

the person above me answered this correctly!!

How can particle interactions explain the properties and behavior of dry ice?

Answers

Answer:

Dry ice is the solid form of carbon dioxide (CO2). The particle interaction in dry ice is due to collision between inter-particles which results in agglomeration and shows the properties and behavior of dry ice.

The inter-particle collision in dry ice keeps the high temperature of dry-ice and make it sublimate (solid to gas) at room temperature and normal pressure.

The collision of carbon atoms in dry ice also makes it highly reactive and shows chemical properties of dry ice. When dry ice is added with magnesium, it left black powder, which is carbon

_____ 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.

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.

If one half of a DNA molecule has 8 thymine bases, what else is also true about the DNA molecule? (1 point)
There will be 16 total bases.
O There will be 32 total bases.
There will be 8 adenine bases.
There will be 8 cytosine bases.

Answers

There will be 8 adenine bases.

Thymine always pairs with adenine in DNA, so if there are 8 thymine bases that means there are also 8 adenine bases.

We don’t know how many total bases there will be, and because cytosine does not pair with thymine we don’t know how many cytosine bases there will be.

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

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.

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

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%

Transcriptional regulation of operon gene expression involves the interaction of molecules with one another and of regulatory molecules with segments of DNA. In this context, define and give an example of each of the following:

a. operator
b. repressor
c. inducer
d. corepressor
e. promoter
f. positive regulation
g. allostery
h. negative regulation
i. attenuation

Answers

Answer and explanation:

The operator is a DNA fragment localized between the promoter and structural gene sequences that are able to repress operon transcription. A repressor is a molecule that binds to the operator to inhibit transcription, while an inducer is a molecule that activates transcription by binding either to the repressors or to the activators. A corepressor is a molecule that binds to repressors in order to activate them. A promoter is a DNA sequence localized upstream structural genes which binds to a transcription factor in order to activate operon transcription. Positive regulation is the process by which operon transcription acts as a positive loop, thereby increasing its own transcription, while negative regulation is the process by which operon transcription inhibits its own expression. Allostery refers to the process by which a molecule regulates operon transcription by binding to distal (and therefore non-functional) sites of the operon. Attenuation is a process able to reduce operon transcription and also to block subsequent translation.

Based on the data table below, which number would be the BEST choice for the top number of the scale on the vertical axis of a scatter plot showing this data?

Answers

Answer:

D. 70

Explanation:

From the table given, we can easily tell that distance (m) is dependent on time (s). Distance is a dependent variable, while time is an independent variable.

If both variables were to be plotted to show the relationship between them on a scatter plot, the dependent variable is usually plotted on the vertical axis (y-axis), while the independent variable would be plotted on the horizontal axis (x-axis).

Distance would be in the vertical axis, while time would be in the horizontal axis.

Therefore, the BEST choice for the top number of the scale on the vertical axis would certainly be 70, because the highest value for distance (m) on the table of values is 69.

"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.  

What two factors must be internally balanced for survival? a) energy and water b) water and materials c) materials and age d) materials & energy

Answers

Answer:        b is the answer hope i helped :)

If this is correct can I get brainlist pls and thank you

have a blessed day :) d

Explanation:

Which of the following does NOT describe telomerase? A. shortens the telomeres in cancer cells. B. present in embryonic cells. C. It stimulates cell division. D. It is an enzyme.

Answers

Answer:

option c is ur ANS mate .......

the oceanic zone is​

Answers

Answer:

The oceanic zone is the region of open sea beyond Continental shelf.

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:

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

Answers

Answer:

I hope small globules.

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. (:

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

Answers

Answer:

True

I hope this helps!

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...

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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Why do roosters hibernate?

Answers

Answer:

The answer is

Explanation:

Roosters hibernate to escape the harsh seasonal variations as it cannot fly to different lands and is a flightless bird.

Hope this helps....

Have a nice day!!!!

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

Answers

Answer:

True

Explanation:

Match the reactant in gluconeogenesis with the appropriate enzyme.

Enzyme:

a. Fructose dehydrogenase
b. PEP kinase
c. Phosphoglycerase
d. Pyruvate kinase
e. Phosphoglyceromutase
f. Glucose kinase
g. Phosphoglycerokinase
h. Phosphofructokinase
i. Hexokinase


1. glucose
2. fructose-6-phosphate
3. fructose-I , 6-bisphosphate
4. phosphoenolpyruvate
5. 1 , 3-bisphosphoglycerate
6. 3-phosphoglycerate

Answers

Answer: a c g e

Explanation:

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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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.

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!!!!

During a University of Nevada, Reno blood donation campaign, the frequencies of alleles determining the ABO blood groups were determined to be 0.70 for IO, 0.2 for IA and 0.1 for IB. Assuming random mating, what is the expected frequency of blood type O?

Answers

Answer:

The expected frequency of blood type O is 0.49

Explanation: Due to some technical problems, you will find the complete  answer and explanation

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:

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.

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The term to term rule of a sequence is "multiply by 3 and add 1". The third term is 13. Work out the first term of the sequence. A city council consists of seven Democrats and six Republicans. If a committee of five people is selected, find the probability of selecting two Democrats and three Republicans. a object 1.5cm high produces a real image 2cm high. placed at a distance of 20cm from a concave mirror calculate: [a] the position of the image [b] focal lenght of the concave mirror All of the following were activities for Paleolithic nomads EXCEPT During which dynasty did Confucianism replace legalism as the main ruling doctrine Make the biggest possible number using the digits below only once 3 , 1 , 3 answer In the triangles, TR = GE and SR = FE.Triangles S T R and F G E are shown. Angle S R T is 56 degrees. Angle F E G is 42 degrees. Sides T R and G E are congruent. Sides S R and F E are congruent.if Line segment G F = 3.2 ft, which is a possible measure of Line segment T S? assume the following information about the market and JumpMaster's stock. JumpMaster's beta = 1.50, the risk free rate 2%, the market risk premium is 10.0%. Using CAPM, what is the expected return for JumpMaster's stock? The Cartesian coordinate system can be applied to three-dimensional solids. Instead of two axes, the coordinate system has three. What are the labels? Check all that apply. A. z B. y C. a D. x E. w A gas station installs an underground gas tank. Many people in the neighborhood fear the tank will spring a leak. How might a leaky tank affect the local watershed? Leaking gasoline will likely become runoff when it rains, contaminating local water bodies. Leaking gasoline will likely move through the soil, contaminating water located underground. Leaking gasoline will likely flow over the watershed divide, contaminating surrounding watersheds. Leaking gasoline will likely have no effect on the local watershed. Suppose you know a company's stock currently sells for $70 per share and the required return on the stock is 14 percent. You also know that the total return on the stock is evenly divided between a capital gains yield and a dividend yield. If it's the company's policy to always maintain a constant growth rate in its dividends, what is the current dividend per share? In this task, you will reference your notes from Task 1 and any additional sources you gather in order to create a slideshow presentation that responds to the following prompt: The United States is often called a nation of immigrants, and yet US history reveals many examples of anti-immigrant sentiment, actions, and legal restrictions. Which is true that America is a nation of immigrants or that it is a nation that does not support immigration? Which two organisms are most closely related, based on the tree above? A piece of blue yarn is 5/ 3/7 yards long. A piece of pink yarn is 5 times as long as the blue yarn. How much longer is the pink yarn than the blue yarn? if 193 ml of chlorine gas was collected at 21 celsius, what volume would it have if the temperature dropped to 0 celsius Can somebody help me I really need help with this question bananas cost $4 and apples close 0.60$ each if b represents the number of bunches of bananas and a represents the number of apple which of the following expressions represents the total cost? 1 4.60(b+a) 2 4b + 0.60 3 4.60 + a 4 4.60ab "A 25-year old client with a low risk tolerance wishes to invest in bonds. The client has invested in equities before, but has no experience investing in bonds. The BEST recommendation would be:" -50 POINTS- (5/5) Which scatter plot represents the following data? Which of the following was NOT an achievement of Ferdinand and Isabella? A- signed the Magna Carta B - drove the Moors out of Europe C - united the independent kingdoms of Spain into one nation D - began an inquisition to locate and punish non-Catholics