Answers
Answer:
Eventually, a main sequence star burns through the hydrogen in its core, reaching the end of its life cycle. At this point, it leaves the main sequence. Stars smaller than a quarter the mass of the sun collapse directly into white dwarfs. White dwarfs no longer burn fusion at their center, but they still radiate heat.
Related Questions
Cells are the basic units of ____ and _____ in all forms of life
Answers
Answer:
structural and functional
Explanation:
Hope it helps you
SECTION B: QUESTION 2 2.1 The diagram below shows part of the human ear. 2.1.1 2.1.2 2.1.3 2.1.4 E A B C Explain the consequence if structure E lost its flexibility. Describe the process of hearing. D 2.Z Identify structures A and B Give the LETTER and the NAME of the parts that: (a) equalises pressure on both sides of the tympanic membrane (b) absorbs excess pressure waves from the inner ear (2) (2) (2) (2) (7) (15)
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If structure E (stapes) lost flexibility, it would impair sound transmission, leading to hearing sensitivity.
Process of hearing: Sound waves enter the ear, vibrate the eardrum (tympanic membrane). Ossicles (A: malleus, B: incus) amplify vibrations to inner ear. Vibration of fluid in cochlea stimulates hair cells, converting to electrical signals for interpretation.
Structure A: Malleus
Structure B: Incus
(a) Structure C (eustachian tube) equalizes pressure on both sides of the tympanic membrane.
(b) Structure D (round window) absorbs excess pressure waves from the inner ear.
If structure E, which is the ossicles (specifically the malleus, incus, and stapes), lost its flexibility, it would have a significant consequence on hearing. The ossicles play a crucial role in the process of sound transmission. They amplify sound vibrations that enter the ear through the outer ear and transfer them to the inner ear. The flexibility of the ossicles allows them to vibrate in response to sound waves, transmitting these vibrations to the fluid-filled cochlea in the inner ear.If structure E lost its flexibility, the transmission of sound vibrations would be impaired. This would result in a reduced ability to perceive and interpret sound. Hearing sensitivity would be significantly compromised, and sounds may appear muffled or distorted. It may become challenging to distinguish different pitches or understand speech clearly.The process of hearing involves several steps. When sound waves enter the outer ear, they travel through the ear canal and reach the eardrum (tympanic membrane). The vibrations of the eardrum are then transferred to the ossicles (structures A and B in the diagram), which amplify and transmit the vibrations to the cochlea (structure C). The cochlea is responsible for converting the mechanical vibrations into electrical signals that can be interpreted by the brain. These signals are then sent to the brain via the auditory nerve, where they are processed and perceived as sound.Structure A, known as the Eustachian tube, equalizes pressure on both sides of the tympanic membrane. It connects the middle ear to the back of the throat, allowing air to flow in and out, maintaining equal pressure on both sides of the eardrum.Structure B, called the round window, acts as a pressure relief valve. It absorbs excess pressure waves from the inner ear, preventing damage to delicate structures by allowing fluid in the cochlea to move in response to the sound vibrations.Overall, the ear is a complex and intricate system that relies on the interaction of various structures to enable the sense of hearing.For more such questions on Hearing sensitivity:
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Hearing involves a process of sound wave transduction through the tympanic membrane and ossicles. If the tympanic membrane (E) loses its flexibility, sound quality may diminish. The Eustachian tube and cochlea serve to manage pressure within the ear.
Explanation:The process of hearing (audition) involves the transduction of sound waves into a neural signal. When the tympanic membrane (structure E in your diagram), or eardrum, is struck by sound waves, it vibrates. These vibrations are then transferred to the ossicles, which are three small bones in the middle ear. The ossicles are identified as structures A (Malleus or Hammer) and B (Incus or Anvil) in your diagram. Sound waves are finally transduced into a neural signal in the inner ear.
If the tympanic membrane was to lose its flexibility, it would not vibrate as effectively when struck by sound waves. This could diminish the quality of sound and potentially lead to hearing loss.
The Eustachian tube equilibrates air pressure on both sides of the tympanic membrane. This would be your answer to part (a) of the lettered question. Part (b) refers to the role of the cochlea in the inner ear, which helps to absorb excess pressure waves from the inner ear.
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If two haploid sperm fertilize a single haploid ovum, the resulting zygote would be considered a ________.
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triploid
why wouldn’t other body parts of living things such as skin become minerales after an organisms death
Answers
Answer:
The organism's body parts would harden.
Explanation:
Your question is a bit confusing.
As per the image figure the corals live in calcium deposits and they have a hard exoskeleton. After the death of the organisms, the skin will remain the same.
What are corals?The corals are marine invertebrate species that live in colonies and feed on lime they develop in coral polyps and represent a sac-like animal.
They have an exoskeleton that remains after they die. They, can soft, stay, and spongy corals. A coral skeleton is a mineral plus organic matter.
The coral species harden from the outside while they are alive from inside like the roots of plants. Shows signs of evolution and life.
Find out more information about the organisms.
brainly.com/question/17395741.
What is the predominant molecule that will be reabsorbed from the
descending limb of the Loop of Henle?
O glucose
O albumin
water
O sodium chloride
Answers
Answer:
The predominant molecule that will be reabsorbed from the descending limb of the Loop of Henle is water.
Explanation:
This is because the descending limb of the Loop of Henle is permeable to water but not to solutes such as glucose, albumin, or sodium chloride. As the filtrate flows down the descending limb, water is passively reabsorbed and the concentration of solutes increases.
Hope it helps!
LINKS WILL BE REPORTED!
Explain how competition for food can cause natural selection.
Answers
Answer:
Interactions between organisms or species in which both the organisms or species are harmed. According to evolutionary theory, this competition within and between species for resources is important in natural selection.
Explanation:
that's all i got.
hope it helps
How do human diseases caused by bacteria and diseases caused by viruses react to antibiotics?
A. Neither responds to antibiotics
B. Both respond to antibiotics
C. Viral diseases respond to antibiotics; bacterial diseases don’t
D. Bacterial diseases respond to antibiotics; viral diseases don’t
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Answer:
D. Bacterial diseases respond to antibiotics; viral diseases don’t.
Explanation:
Hope this helps!
mention 5 signs and symptoms of HIV positive devolop to AIDS
Answers
Answer:
Fever.
Chills.
Rash.
Night sweats.
Muscle aches.
Sore throat.
Fatigue.
Swollen lymph nodes.
etc
hope you like it and useful
Help please thank youu.
Answers
(04.02 LC)
Which statement is supported by the cell theory?
All animal cells are the same size.
All plant cells are the same shape.
Similar organisms all have the same number of cells.
Cells are the primary unit of structure in living organisms.
Answers
Cells are the primary unit of structure in living organisms.
=============================================================
Explanation:
According to cell theory, cells are the building blocks of any living organism. This pertains to unicellular organisms (aka creatures that are one cell only) or multicellular organisms. This is why choice D is the answer.
Choice A is false because animal cells range in size. The largest animal cell is the ostrich egg that is about 5.1 inches across. In contrast, a neuron in the human body is about 100 microns across.
Choice B is false because plant cells have different shapes depending on the role they play in the plant itself.
Choice C is false. The number of cells varies even within the same species of a plant or animal. This is because the number is randomly determined and changes all the time. Old cells die and new ones are created constantly.
What are some costs of social behavior?
Answers
Answer:
Social behavior is behavior among two or more organisms within the same species, and encompasses any behavior in which one member affects the other. This is due to an interaction among those members. Social behavior can be seen as similar to an exchange of goods, with the expectation that when you give, you will receive the same. This behavior can be affected by both the qualities of the individual and the environmental (situational) factors. Therefore, social behavior arises as a result of an interaction between the two—the organism and its environment. This means that, in regards to humans, social behavior can be determined by both the individual characteristics of the person, and the situation they are in.
Explanation:
Punnet square for Tt x tt
Answers
The Punnett square that represents Tt x tt is:
This means that
50% of the offspring will be homozygous for the allele t. That is, 50% of the offspring will be tt.
and
50% of the offspring will be heterozygous. That is, 50% of the offspring will be Tt.
We can conclude that the correct answer is:
Answer:Punnet Square:
Why is the frequency of natural disasters increasing?
1. There are less natural hazards occurring
2. Human population in areas prone to natural hazards has increased
3 . Deaths from natural disasters has decreased in developed countries and increased in developing countries.
Answers
Human population in areas prone to natural hazards has increased
1. There are less natural hazards occurrin
2. Human population in areas prone to natural hazards has increased
Name two important characteristics of bacteria?
Answers
2. Ribosomes
Hope this helps!!
Prokaryotes
Cell Membrane & Cell Wall
Cytoplasm
Ribosome
Flagella
Pilli
Cocci
Bacilli
1
Which are characteristics of carbon? Check all that apply.
covalent bonding
water soluble
generally in nonelectrolytes
low melting point
rapid reaction rate
forms a variety of compounds
Answers
Answer:
Carbon forms "covalent bonding"
"have low melting point".
"forms a variety of compounds".
Answer:
covalent bonding
generally in nonelectrolytes
low melting point
forms a variety of compounds
Explanation:
Question 3 of 34
Which of the following explains how polar molecules form?
O A. The two atoms in a bond share electrons equally.
B. One atom transfers its electrons to another atom.
O C. Electrons are more attracted to one of the atoms involved in a
bond.
O D. Protons are more attracted to one of the atoms involved in a bond.
Answers
Which body feature do ultramarathon runners count on to give their muscles fuel for endurance? Group of answer choices Toned ligaments and tendons Healthy cartilage Stronger long bones Richer blood supply
Answers
Answer:An ultra-marathon can also be defined as a running competition ... World records in female elite and age group athletes in distance-limited races, from ... as skeletal muscle mass, body fat and running training were examined in ... for a long time, and do not make any tempo changes
which answer is the right one need help ?
Answers
Die
Part I: The Big Picture
Let's see how well you understand the overall process of photosynthesis. In the space provided below,
draw a diagram of the major players in the process of photosynthesis and indicate how they interact. Be
sure to include and label all of the following:
.
the Sun
sunlight
plant
carbon dioxide
oxygen
water
glucose
.
.
You don't have to reproduce the diagram in the lesson exactly. For example, your plant can be any kind
of plant. Be creative, and draw the process in a way that will help you remember it. As long as you label
all the necessary parts of the process and explain what happens during photosynthesis, you'll receive full
credit
Pls help fast
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Centimeter is the Si unit of length Statement given below is incorrect write the correct statement.
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Answer:
Centimeter is the SI unit of length. The distance light travels in a year is measured in light-years. The length of a marathon is measured in miles. The mass of the sun is measured in solar masses. The distance across the universe is measured in kilometers. The length of a nanometer is measured in angstrons. The distance across an atom is measured in picometers. The distance across a subatomic particle is measured in attometers. The mass of an electron is measured in kilograms. The number of protons in an atom is measured in avogadros.
Explanation:
Which statement accurately describes Binary star system ?
Answers
Answer:
The accurate description for the binary star systems are that they have stars that might appear to wobble and also, often have one star that is brighter than the other. The binary star systems are often refer to as the double star system which consists of only two star in the system.
15. How are mitochondria similar to prokaryotic cells?
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Answer:
Mitochondria have their own cell membranes, just like a prokaryotic cell does. Each mitochondria has its own circular DNA genome.
Explanation:
common or general barriers of entry of small businesses into market reference to township entrepreneurship barriers
Answers
Legal bottlenecks and lack of capital are the factors that are general barriers of entry of small businesses into market
What are the barriers?
A fundamental obstacle for small enterprises in townships is a lack of financial resources and restricted access to finance. Due to a lack of collected data, many companies may struggle to raise starting money, receive loans, or attract investors.
Small enterprises may find it difficult to navigate complex regulatory frameworks and adhere to legal obligations, especially if township-specific administrative procedures or licensing restrictions are present. For enterprises, administrative procedures and compliance fees can be very challenging.
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How much time is 68% in 24 hours
Answers
Answer:
16 hours 19 minutes and 12 seconds
or 16.32 hours
Explanation:
24 * 0.68
Based on the image of rock layers and fossils what can you conclude?
Answers
Answer:
A and B
Explanation:
Sorry if this aint right but d and c dont make sense to me so try this
Astronomers have used several methods to derive estimates for the age of the universe. Identify the ways in which astronomers have done so from among those listed below. Astronomers determine estimates for the age of the universe from...
(1) Hubble expansion rate
(2) Uranium-238 abundance in old stars
(3) Radioactive dating of old Earth rocks
(4) Dark energy abundance
(5) Globular cluster ages
Choose all of the correct answers
Answers
The Astronomers determine estimates for the age of the universe from (1), (2), (3), and (5).
What is universe?The entirety of time, space, and everything in them, including all known types of matter and energy, make up the universe. Everything that exists is included in it, from the tiniest subatomic particles to the largest known formations, such galaxies and superclusters.
Astronomers have arrived at their estimates for the universe's age in the following ways:
(1) Hubble expansion rate: Using this technique, the redshifts of far-off galaxies are used to calculate the pace at which the universe is expanding. By projecting backwards from the universe's present expansion rate, the age of the universe can be determined.
(2) The amount of the radioactive element uranium-238 in old stars may be measured, and its decay rate can be used to determine the age of the stars and, by extension, the age of the universe.
(3) Radioactive dating of old Earth rocks: This technique entails figuring out the ages of the planet's oldest rocks using radioactive dating methods, which offers a more conservative estimate of the universe's age.
(5) The age of the oldest globular clusters in the Milky Way galaxy can be used to calculate the age of the universe using this approach, which is number five.
Thus, the appropriate choices are (1), (2), (3), and (5). Although it is employed in other cosmological investigations, the amount of dark energy is not used to directly calculate the age of the universe.
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do you like yours sister
Answers
Answer:
yeah of course but sometimes they annoy you so much that you'll end up hating her but inside you love hey more than anyone in this world ❤️
Abigail works for a holistic veterinarian who regularly performs acupuncture on patients. The vet asks Abigail to write up a brief aftercare flyer that could be handed out to the owners of new patients after their first acupuncture treatment . She believes that this might cut down on phone calls and questions that the practice regularly receives from first-time patients Which statement will Abigail MOST likely include on the flyer for acupuncture aftercare ? A. If you notice your pet having difficulty swallowing call immediately . B. Expect to see more bowel movements within the first two days after treatment . C. The dog or cat may exhibit sleepiness for a day or two after treatment . D. Your pet should be bouncing and back to normal by the time you get home .
Answers
Among the given options, the statement that Abigail is most likely to include on the flyer for acupuncture aftercare is C. "The dog or cat may exhibit sleepiness for a day or two after treatment."
Abigail is tasked with creating an aftercare flyer for new patients after their first acupuncture treatment at a holistic veterinary clinic. The purpose of the flyer is to provide helpful information to owners and minimize the need for phone calls and inquiries.
This statement is relevant and important because it informs pet owners about a common post-treatment effect of acupuncture, which is temporary sleepiness in their pets.
By including this information, Abigail can prepare owners for this normal reaction and alleviate any concerns they may have. It helps manage their expectations and ensures that they don't worry unnecessarily if their pet appears sleepy after the treatment.
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How long does it take for mammals to evolve into a distinctly new species? What changes occur over
this time?
Answers
Answer:
i hope this helps <3
Explanation:
A new study by Matt Davis at Aarhus University throws these losses into stark relief. He estimated how long it would take for mammals to evolve enough new species to replace the ones that we have eradicated. And his most realistic answer is somewhere from 3 million to 7 million years.
The time that would be taken for mammals to evolve into a distinctly new species is 3 million to 7 million. The changes that will occur will be mental and physical changes.
What is evolution?Evolution is a process of changing human characters or other animal characteristics over time. Evolution happens with time, and it is a natural process.
Species is a term that refers to different animals and plants living in the environment. Organisms of the same species can reproduce with each other. Other species are different from the one species.
Evolution in every species occurs with time and environmental conditions for better survival in the environment.
Thus, it would take mammals between 3 million and 7 million years to evolve into a wholly new species. The alterations that take place will affect both the mind and the body.
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Lactate is an enzyme produced by cels in the small intestine. Lactase helos break down lactose, a sugar in milkaIn humans, lactase is encoded by a single gene Transcription of this gene produces a primary transcript The primary transcriptis processed and then exported out of the nucleus in the cytoplasm, the transcript is translated to synthesize lactase. Thisprocess is summarized in the diagram belownucleuslocatexാകാcytoplam+produce amino contains instructionsWhat are the roles of RNA molecules during the step labeled with an Xin the diagram?OAmRNATRNAERNAcames instructionmakes up part ofcames aminoto build actose the ribosome, which acids to the growingdecodes RNA Lactase moleculeОВ, mRNARNAERNAforms pechde bondsbetween amino acidsromanacids RNA templateto synthesize lactaseОСmRNArRNATRNAproduces amino make up the cames nucleotidesacids to make nbosome, which the mRNALactate19 COPYSynthesizes lactase of the lacaseOD mRNATRNAERNAcontains a copy of folds the amino acid forma peptide bondschain to producethe lactase genebetween aminothe lactase molecule acids in case
Answers
The lactase anzyme is produce by the organism to breal lactose in the intestine. The process of protein synthesis is discribed in the picture and the alternative that have the most close description of each RNA that work in the synthesis of this enzyme is:
mRNA - carries instructions to build lactase