The organ of Corti of Henry's cochlea may have functional hair cells, it is the structure that makes the hearing organs.
What is cochlea?Sound waves enter the ear from the outside environment and pass through the external auditory canal before they hit the eardrum and cause it to vibrate.
The incus collects sound vibrations from the malleus, also known as the "hammer," which connects to the eardrum, and sends them on to the stapes.
The stapes are a network that moves the oval window in and out. This motion is collected by the cochlea, a fluid-filled snail-like structure that houses the organ of Corti, the hearing organ, and small hair cells that make up the lining of the cochlea.
Therefore, the organ of the Corti part of Henry's cochlea may have functional hair cells.
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Which statement described asteroid and comets ?
A. Both asteroids and comets are solids
B. Both asteroids and comets are gaseous
C. Asteroids are solid and comets are gaseous
D.Asteroids are gaseous and comets are solid.
An organism that reproduces using binary fission, a type of asexual reproduction, creates an identical copy of a cell when
Answer: An organism that reproduces using binary fission, a type of asexual reproduction, creates an identical copy of a cell when the cell's DNA replicates and the cell divides, giving each cell an identical copy of DNA
Answer:
C.
the cell's DNA replicates and the cell divides, giving each cell an identical copy of DNA.
Explanation:
Deserts typically have average daytime temperatures of around 100°F, while the average daytime temperature in tropical rain forests is around 85°F. However, the average monthly temperatures in the desert are lower than the average monthly temperatures in a rain forest. Explain the reason for this difference.
Answer: The temperature of the rainforest does not experience a drastic fall as in the case of the desert.
Explanation:
In the desert the average daytime temperature remains 100°F and that of the rainforest is 85°F. But average monthly temperatures are lower in the case of desert as compared to the rainforest although the vegetation cover is higher in rainforest as compared to desert so humidity is also more. During night in desert temperature drops to an average of 25°F whereas in rainforest during night temperature level does not drop much it drops to only 71°F. Therefore, the average monthly temperature on desert is lower than rainforest.
The main difference between an ecosystem and a community is-
in an ecosystem, everything works together for everyone to be able to survive in a community everyone just lives together and it`s their choice whether or not they get along
Hope this helps ✨ - Six
Why do those in forestry need to be able to perform basic operations without the aid of digital technology?
Answer:
because they are in the middle of no where so they need to know how to do it or they will be screwed
Explanation:
brainliest ????
why are no squares half shaded (carriers)
Answer:
I think coz they do not exhibit the trait because it is recessive, but they could pass it on to their offspring if their partner is also a heterozygote.
a red blood cell and plant root hair cell both have
Answer:
The job of both red blood cells and root hair cells is absorption. Red blood cells absorb oxygen through pulmonary veins and their capillaries in the lungs. Root hair cells, on the other hand, absorb water from the soil and transport them to adjoining cells for photosynthesis purposes.
Solar tracking, or _____, is a plant's growth toward light.
What is a cell?
a. The smallest unit of the atom
b. The smallest unit of life
c. The largest unit of life
d. The smallest unit of a
population
Answer:
b
Explanation:
What does it mean to die of "natural causes" or to die of "old age"?
Explanation:ya que el cuerpo se dessasta por estar en funsionamieto pormucho tiempoc
Which one ? Please HURRY i only have 1 hour, 8 min left
Answer:
A dying star
Explanation:
Name the type of tissue which forms the major part of the heart and name the
blood vessel which supplies this tissue with oxygen unless it is blocked by heart
disease.
Type of tissue .......................
blood vessel .......................
Which of these statements explains why the plants in Groups E and F died? The high sugar content caused too much water to move into the root cells. The high sugar content caused too much water to move into the root cells. The high sugar content clogged the pores in the cell membranes. The high sugar content clogged the pores in the cell membranes. The high sugar content prevented the plant from capturing energy. The high sugar content prevented the plant from capturing energy. The high sugar content caused too much water to move out of the root cells.
Answer:
The high sugar content caused too much water to move out of the root cells.
Explanation:
Too much causes transpiration to occur, in this case too much water killed the plant.
The statement which explains why the plant in Group E and F died is that the high sugar content caused too much water to move out of the root cells.
What do you mean by High sugar content?
High sugar content in plants may be defined as the amount of carbohydrates (glucose) and their components get accumulated in the different parts of the plants in a high ratio. It also affects the rate of photosynthesis.
High sugar content leads to the loss of water (transpiration) in plants. In this condition, water loss is maximum which results in the scarcity of water in the root cells. And hence the plant died.
Therefore, the statement which explains why the plant in Group E and F died is that the high sugar content caused too much water to move out of the root cells.
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What is karotyping and how is it used in science / medical field??
Answer:
Karotyping is a chromosomal analysis. It can be used to look for diseases caused by irregularities in the chromosomes, such as Down syndrome.
Explanation:
Karotyping is a chromosomal analysis of the chromosomal constitution of the nucleus of a cell, which is equal to the complete chromosomal makeup of a person. The chromosomes of each species have a certain structure both in size, shape and their own band when they are stained in the laboratory. This allows them to be identified as well as to know if all the genetic information is in the correct order. In addition to numerical abnormalities in chromosomes, structural alterations mean that certain chromosomal regions can be duplicated or even absent. This gain or loss of genetic material has highly varied consequences depending on the genes involved. Another type of structural alterations are translocations and inversions. The karyotype can be studied in search of diseases caused by irregularities in the chromosomes, such as Down syndrome. It also helps to identify problems that a baby conceived through assisted reproduction may have when it is born, by extracting the karyotype that is found in the amniotic fluid of the embryo.
Your cells have a unique MHC (major histocompatibility complex). Directions for producing MHCs come from _________________.
A. the helper T-cells
B. the thymus
C. inherited DNA
D. the bone marrow
The directions for generating MHC comes from the option c. inherited DNA. hence, the option c is correct.
What is MHC?The full form is a major histocompatibility complex. It is the genes group that have the proteins code that should be founded on the cell surface which helped the immune system, that recorded in the foreign substance.
So at the time of directing, it produced MHC that came from inherited DNA.
hence, the option c is correct.
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Mendel's F, generation of pea plants were heterozygous. What does this mean? A: All the offspring plants would have the recessive trait. B: Half of the offsprings would have the dominant trait, while the other half would have the recessive trait. C: The offspring had two identical alleles for the same gene. D: The plants had two different alleles for the same trait.
Answer:
Im pretty sure its D:The plants had two different alleles for the same trait.
Explanation:
If the offspring's is heterozygous it would mean thegenotype would be Pp, which means they would have one dominant allele and one recessive allele.
Bee orchids are flowering plants that look like they have a female bee resting on them. Bee
orchids produce a scent that mimics hormones released by female bees. This scent attracts
male bees that are seeking a mate. When a male bee lands on the orchid, pollen becomes
stuck to the hairs on the body of the bee. The male bee then transfers the pollen to other bee
orchids.
W Verhagen/Dreamstime.com
How has this adaptation given the bee orchids a reproductive advantage?
Answer:
The adaptation makes the orchids more desirable to bees, and therefore more likely to be able to reproduce than other plants without the adaptation.
Explanation:
Eutrophication results in the death of trout and other fish as a result of toxic pH levels in the water toxic pH levels in the water A asphyxiation from lack of oxygen asphyxiation from lack of oxygen B toxic levels of mercury in the water toxic levels of mercury in the water C toxic concentrations of salt in the water toxic concentrations of salt in the water D a lack of sufficient minerals in the water
Answer: A
Explanation:
where and in what form does carbon used in cellular respiration come from?
Answer:
Comes from carbon in glucose and the oxygen used in cellular respiration
Explanation:
Carbon dioxide is a waste product of cellular respiration
Help me pls I need this ASAP
How are genetic modification and artificial selection similar?
Both result from human influences.
Both result from natural selection.
Both involve hybridization.
Both involve crossbreeding.
A. Both result from human influences.
Genetic modification and artificial selection are similar because both these techniques are the result of human influences.
What do you mean by Genetic modification?Genetic modification may be defined as a set of processes derived from organisms whose genetic material (DNA) has been modified in a way that does not occur naturally.
Artificial selection is also defined by human interference and hence desired traits are carried forward that give advantages and high yield productivity to humans.
Therefore, Genetic modification and artificial selection are similar because both these techniques are the result of human influences.
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why doesn't ice evaporate?
Answer:
Ice doesnt evaporate because it melts.
Explanation:
4
Select the correct answer.
Jonathan is starting to grow facial hair, his voice is deepening, and he's showing other signs of puberty. Which stage of development is he likely
in?
OA.
middle childhood
OB. late childhood
Ос.
adolescence
OD. young adult
Answer:
Adolescence
Explanation:
(of a young person) in the process of developing from a child into an adult.
Answer:
adolecents are teenagers and teenagers get puberty
Explanation:
Ice, wind, water, gravity, plants, and animals are ALL causes of...
a) Chemical weathering
b) Mechanical weathering
c) Oxidation
d) Mass movement
Answer:
B) Mechanical Weathering
Explanation:
What did Darwin mean when he thought possibly organisms started on the main land, then changed over time?
Answer:
He reasoned that plants or animals that arrived on the Galapagos Islands faced environmental factors that were different from those on the mainland. Perhaps, the species gradually changed over many generations and became better adapted to the new environment. Evolution.
Explanation:
6. The cells produced via meiosis are called:
O a) sex cells
I b) somatic cells
O c) body cells
0 d) skin cells
The cells produced via meiosis are called gamete cells, such as sperm cells or egg cells. Hence option a is correct.
What is meiosis ?In sexually reproducing organisms, meiosis is a kind of cell division that results in a reduction in the number of chromosomes in gametes (the sex cells, or egg and sperm). Body or somatic cells in humans are diploid, meaning they have two sets of chromosomes one from each parent.
The egg and sperm that combine during fertilizations must be haploid, or having just one pair of chromosomes, in order to sustain this condition. Each diploid cell divides twice during meiosis to produce four haploid daughter cells, which are the gametes.
Meiosis is characterized by DNA replication, two rounds of cell division, and the production of four daughter cells, each of which has half as many chromosomes as the parent cell. Meiosis I and Meiosis II are the names of the two meiotic divisions.
Each chromosome's DNA is copied during the S phase of the cell cycle, resulting in two identical sister chromatids that are kept together by sister chromatid cohesion before meiosis starts.
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Huntington’s disease (HD) is prevalent South Africa. Most of the families with HD have Dutch or British ancestry, which suggests they inherited the European HD allele. HD is believed to have first arrived in South Africa more than 300 years ago when Dutch colonists settled into the Western Cape in the 1600s. Thus, the prevalence of HD in South Africa is the result of the founder effect.
Mutations in the HTT gene cause Huntington’s disease. The HTT gene provides instructions for making a protein called huntintin. This protein plays a role in nerve cells in the brain. The HTT mutation that causes HD involves a DNA segment known as a CAG trinucleotide repeat. This segment is made up of a series of three DNA building blocks that appear multiple times in a row. Normally, the CAG segment is repeated 10 to 35 times within the gene. In people with HD, the CAG segment is repeated 36 to more than 120 times. An increase in the size of the CAG segment leads to the production of an abnormally long version of the huntintin protein. This causes the dysfunction and eventual death of neurons in certain areas of the brain. The more repeats, the more serious the disease is.
HD is inherited in an autosomal dominant pattern. There is both an adult onset (after reproductive age) and a juvenile onset pattern. People with adult onset typically have 40 to 50 repeats, while people with the juvenile form tend to have more than 60 repeats. Individuals who have 27 to 35 repeats do not develop HD, but they are at risk of having children who will develop the disorder. As the gene is passed on to offspring, the size of the repeat may lengthen into the range associated with HD.
Predict what will happen to the allele frequencies for Huntington’s disease in South Africa if there were a new mutation to the HTT gene that causes a reduction to the CAG trinucleotide repeat. Justify your prediction with evidence. Your response should include links to the sources of information gathered.
Answer:
If there were a new mutation to the HTT gene that causes a reduction to the CAG trinucleotide repeat, the allele frequency for Huntington's disease would decrease in South Africa. HD is caused by too many repeats of the CAG segment causing an abnormally long version of the huntintin protein which becomes deadly. so if the number of repeats is reduced then the person is more likely to not have Huntington's disease. If they do still develop Huntington's disease, it will be more likely to be adult onset and they will still have an opportunity to reproduce offspring which may carry the trait for reduced CAG.
If a new mutation in the HTT gene were to cause a reduction in the CAG trinucleotide repeat, the allele frequencies for HD in South Africa would likely decrease over time.
What is mutation?A mutation is a change in the nucleic acid sequence of an organism's, virus's, or extrachromosomal DNA's genome. Viral genomes can be made up of either DNA or RNA.
If a new mutation in the HTT gene caused a decrease in the CAG trinucleotide repeat, HD allele frequencies in South Africa would likely decrease over time. This is due to the fact that reducing the size of the CAG segment would result in a lower risk of developing HD.
Individuals with CAG repeats in the range of 27-35 do not develop HD, but they may pass on the mutated allele to their offspring, who may develop the disorder if the CAG repeat size exceeds 35.
Therefore, if a new mutation were to arise that reduces the size of the CAG repeat, individuals who carry the mutated allele would be less likely to pass it on to their offspring.
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How can we get liquid water on mars
Answer:
Through metal tanks with our strongest metal (tungsten)
Explanation:
if we started transfering over many tanks of it through rockets we could start an area that will be filled with the water. to keep the water from changing because of the new climate build a big round roof that is made out of Polycarbonate.
A bird flies by moving its wings up and down. Which two systems are most directly responsible for the movement of a bird's wings?
A bird flies by moving its wings up and down. Which two systems are most directly responsible for the movement of a bird's wings?
A.
respiratory and muscular systems
B.
skeletal and digestive systems
C.
respiratory and digestive systems
D.
skeletal and muscular systems
Answer:
D
Explanation:
skeletal and muscular systems
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3) Select the reasons why global warming might still occur even if greenhouse-gas emissions drastically decrease.
Answer:
If the emission of greenhouse gases were stopped, global warming would still happen due to the gases that are already in the atmosphere and the constant deforestation.
Explanation:
Greenhouse gases are the biggest creators of global warming. This is because these gases cause holes in the ozone layer, which protects the planet from the sun's rays. These holes cause the sun's rays to reach the earth's surface with greater intensity, promoting global warming.
Trees are able to absorb these gases, decreasing their concentration in the atmosphere and preventing them from degrading the ozone layer. However, the constant deforestation has reduced the number of plants and the remaining amount on the planet cannot cope with the constant emission of these gases. In this case, even if the emissions of greenhouse gases were ended, the amount of these gases in the atmosphere would still be very large. Plants were slow to absorb all these gases, which would not prevent global warming from happening.