what is the Photopic vision (cone cells)?
Answers
Photopic vision, also known as daylight vision, is the type of vision that occurs when the cone cells in the retina of the eye are activated.
These cone cells are responsible for color vision and are most effective in well-lit conditions, such as during the day or under bright artificial light.
There are three types of cone cells in the retina, each sensitive to a different wavelength of light.
When light enters the eye, it stimulates these cone cells to send signals to the brain, which then interprets the information as color.
This allows us to see a wide range of colors and distinguish between different shades and hues.
Photopic vision is important for tasks that require good color discrimination and detail, such as reading, driving, and other visual tasks that require high acuity.
It is also essential for visual art and design, as it allows artists to create and appreciate a wide range of colors and color combinations.
Overall, photopic vision is a vital component of human vision and allows us to see the world in all its colorful glory.
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Related Questions
how long does an emu chick need to be incubated (the first thing it's hatched)? 50 points if the answer. I would prefer someone with emu (or a similar bird-like ostrich) experience but doesn't really matter
Answers
Answer:
50 to 60 days,
Explanation:
depending on factors such as temperature and humidity during the incubation process. Once an emu chick hatches from its egg, it is important to provide it with proper care and nourishment to ensure its survival.
Emu eggs can be incubated using various methods, including natural incubation by the male or female emu, or artificial incubation using an incubator. In either case, the temperature and humidity levels need to be carefully controlled to ensure proper development of the embryo.
Once an emu chick has hatched, it needs to be kept warm and dry for the first few days of its life. This is important for its survival, as the chick is not yet able to regulate its own body temperature. After a few days, the chick can be moved to a brooder, where it can continue to receive warmth and appropriate care until it is fully developed.
In summary, the incubation period for an emu chick is typically around 50-55 days, starting from the time the egg is laid. Once the chick hatches, it needs to be kept warm and dry for the first few days, and then moved to a brooder for further care and development.
Hope this helps!
a segment of dna has 320 nitrogen bases. if 40 of them are cytosine, how many are thymine
Answers
Why? - 320 Nitrogen bases.
Cytosine = 40, Cytosine = Guanine.
Therefore Guanine = 40.
320 - 80(Cytosine and Guanine)
240.
Adenine and Thymine = ?
Adenine = x and Thymine = x.
2x = 240.
X = 240/2
X = 120.
Adenine 120, Thymine = 120, Cytosine = 40 and Guanine = 40.
Scientists have found a gene that makes a protein
called PKG that controls certain behaviors in
many types of ants. The soldier ant will help
collect food when it has a low level of PKG.
When it has a high level of PKG, the soldier ant
will protect and defend its colony. Soldier ants
that are given PKG are more likely to ignore food
sources and attack intruders. Which conclusion
can best be made from this information?
Answers
Answer:
The conclusion that can best be made from this information is that the PKG gene and protein play a significant role in regulating the behavior of soldier ants. Specifically, the level of PKG in a soldier ant determines whether it will focus on food collection or colony defense, and the administration of PKG can alter their behavior accordingly. This discovery provides insights into the genetic and molecular mechanisms that underlie social behavior in ants, and may have implications for understanding similar behavior patterns in other animals.
If the left side of the beaker has a greater concentration of urea than does the right side, what statement is true?A. Water will leave the left side of the beaker by osmosis and join the right side of the beaker.
B. Water will be exchanged between both sides of the beaker, but there will be no net change in the amount of water on either side.
C. Water will be exchanged from the left side of the beaker to the right by facilitated diffusion.
D. Water will leave the right side of the beaker by osmosis and join the left side of the beaker.
Answers
If the left side of the beaker has a greater concentration of urea than the right side, then A, water will leave the right side of the beaker by osmosis and join the left side of the beaker.
Why does osmosis occur in this instance?Osmosis occurs in this instance because there is a difference in the concentration of urea between the left and right sides of the beaker. Urea is a solute that cannot pass through the selectively permeable membrane, but water molecules can.
This is because water moves from an area of low solute concentration to an area of high solute concentration in order to equalize the solute concentration on both sides of the membrane.
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you extract a dna sample from a crime scene. the genotype is 100/80 at the d16s539 locus and 70/93 at th01. a) you have a suspect in custody. assuming this suspect is innocent and of european ancestry, what is the probability that their genotype would match this profile by chance (a falsematch probability)? b) the fbi uses 13 markers. wh
Answers
A)The overall false match probability is the product of the two false match probabilities, or 0.08 * 0.00651 = 0.000504.
The false match probability of a single locus is calculated by multiplying the frequency of one allele by the frequency of the other allele. For the first locus, D16S539, the frequencies of the two alleles are 0.100 and 0.80, respectively.
The false match probability is 0.100 * 0.80 = 0.08. For the second locus, TH01, the frequencies of the two alleles are 0.070 and 0.093, respectively.
The false match probability is 0.070 * 0.093 = 0.00651. The overall false match probability is the product of the two false match probabilities, or 0.08 * 0.00651 = 0.000504.
B) The false match probability of 13 loci is calculated by multiplying the false match probabilities of each locus. In this case, the false match probability is 0.000504^13, or 4.18x10^-17.
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Complete question is attached below.
___________ helps remove extra cholesterol from artery walls while ____________ leads to build up cholesterol on the artery walls
Answers
Answer: HDL (High density lipoprotein), LDL (Low density lipoprotein)
Explanation:
The high density lipoproteins are considered as good cholesterol as they remove the bad cholesterol or low density lipoprotein from the arteries. The LDL removed by them is transported back to the liver. This allows the supply of blood through these arteries. The low density lipoprotein when get build up in the artery walls can restrict the supply of blood through arteries. Arteriosclerosis involves the thickening and the loss of elasticity of the arterial walls which is caused by the deposition of the low density lipoprotein in the arterial walls and this leads to the formation of plaque which restricts the blood flow and may cause hypertension.
Answer:
HDL
Explanation:
what percentage of people carrying the huntington's gene develop the disorder
Answers
Individuals who carry the Huntington's gene have a 100% chance of developing the disorder at some point in their life.
Huntington's disease is caused by a genetic mutation that is passed down from parents to their children. This means that if one of your parents has the gene for Huntington's disease, you have a 50% chance of inheriting the gene. If you do inherit the gene, you will eventually develop the disorder. The age of onset and progression of the disease can vary from person to person, but everyone who carries the gene will develop symptoms at some point in their life.
Because it is a dominant genetic disorder, only one copy of the gene is needed to cause the disease. This means that there is a 100% chance of developing Huntington's disease if you carry the gene. Genetic testing can confirm whether or not someone carries the gene, but it is important to discuss the implications and potential consequences of testing with a genetic counselor.
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The reactants for cellular respiration area. glucose and ATP.b. water and ATP.c. oxygen and ATP.d. glucose and oxygen.e. carbon dioxide and glucose.
Answers
Cellular respiration is a very important process for organisms because it is from it that part of the energy necessary for survival is generated.
In respiration, we consume oxygen and glucose and form carbon dioxide, energy, and water as products.
Therefore, we can say that the reactants of cellular respiration are oxygen and glucose. Therefore, option "D" is the answer.
HELPPP PLEASEEEE FASTTT
Both parents in the example carry the dominant and the
recessive alleles for a trait (heterozygous). What is the
probability of the offspring expressing the dominant
phenotype?
Answers
Answer:
The answer is 75%
Explanation:
BECAUSE
Whenever there is a capital letter, it means the dominant is there. Whenever the dominant is there, it shows. There are 3/4 (75%) sections that have a capital letter (dominant). Therefore, 75% of those will carry out the dominant
Which of the following is not a fluid. A. Hydrogen gas. B.molten iron. C. Helium plasma. D.all the above are fluids
Answers
Answer:
The correct answer is A. Hydrogen gas.
Explanation:
Hydrogen gas is not a fluid because it is a gas and gases do not have a definite shape or volume. A fluid is a substance that can flow and take the shape of its container. Molten iron and helium plasma are fluids because they can flow and take the shape of their container.
Why can’t you drink salt water?
Answers
Answer:
In addition to not tasting very good, drinking salt water is a bad idea because it causes dehydration.
Explanation:
If you were to have a few sips of ocean water, for example, your body would have to urinate more water than it drank to get rid of all that extra salt, leaving you more thirsty than before.
art-labeling activity: stages of leukopoiesis
Answers
Myeloblast, Promyelocyte. Neutrophilic myelocyte. Neutrophilic metamyelocyte.Band cell. Neutrophil are stages of leukopoiesis.
What brings about leukopoiesis?
Colony-stimulating factors (CSFs), which are hormones made by mature white blood cells, encourage leukopoiesis, the process of creating leukocytes.
What are leukocytes used for?
Leukocytes, usually referred to as white blood cells, are in charge of defending your body against infection. White blood cells circulate in your circulation as a component of your immune system and react to injury or illness.
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Why do scientists believe the universe is still expanding?
a
The further away an object is, the higher the temperature and pressure eventually become, causing nuclear fusion
b
Distant objects shift in frequency toward red on the electromagnetic spectrum, which tells us objects are moving away from us
c
Spiral galaxies spin, so they appear to be a rotating disk of stars and dust
d
Distant objects shift in frequency toward blue on the electromagnetic spectrum, which tells us objects are closer to us us
Answers
Answer:
b
Explanation:
I looking at the electro magnetic spectrum I can tell scientists if things are moving toward the Earth or away from the Earth
>:( im mad. y am i mad its bc i had to tell a officer that she was 18 and that she was lying saying she was 14 >:(
Answers
Answer:
Dangg thats tuff :(
Explanation:
tuff- you should be able to tell by her looks dude
(i know it's a joke-)
~iwa-chan
can someonde do this
Answers
2.) Hypertonic solution
3.) hypertonic solution
4.) hypertonic solution
5.) hypotonic solution
6.) hypertonic solution
Hope this helped! :) (brainliest answer maybe? Haha)
Using the table l need to know what to the deer population between 1971 & 1980 and how did the number affect the number of deer
Answers
The table shows the number of wolves as natural predator to control the deer population per year from 1971-1980. The number of wolves increased from 1971-1975 and decreased up to 1980. As the number of wolves increases the total number of deer in addition to its offspring decreases. The number of deer who died due to starvation also decrease as the deer population decreases and the number of wolves increases.
An increase of the number of wolves shows a decrease in the deer population from 1971-1975. As the number of wolves decreases and so as the number of deer population from 1976-1980, the number of deer who died due to starvation also deceased.
The Intergovernmental Panel on Climate Change reported in 2007 that atmospheric carbon dioxide levels will nearly double by the end of this century. If this happens, what will be the atmospheric concentration of carbon dioxide?
Answers
It is 700 ppm Given the 454 ppm overall concentration at present and the trajectory of annual increases in total greenhouse gas concentrations from 2007 to 2017, (i.e. 3.7 ppm per year).
Yet according to recent studies, it can approach 900ppm.
Three essential long-lived greenhouse gases, CO2, CH4, and N2O, have shown a significant increase in atmospheric concentrations from around 1750, according to data for the last 2000 years. These gases' levels are rising at incredibly rapid rates. Parts per million (ppm), parts per billion (ppb), or parts per trillion (ppt) are units of concentration used to describe these greenhouse gas concentrations. To put it another way, if a gas has a concentration of 1 ppb, that indicates that there are 1 billion molecules of air for every 1 molecule of that gas.
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A client with acute kidney injury has a serum potassium level of 7.0 mEq/L. The nurse should plan which actions as a priority? Select all that apply.
1. place the client on a cardiac monitor
2. notify the HCP
3. put the client on NPO status except for ice chips
4. review the client's medications to determine if any contain or retain potassium
5. allow an extra 500 mL of intravenous fluid intake to dilute the electrolyte concentration
Answers
Acute kidney injury (AKI) is a medical condition in which the kidneys fail to work correctly. Serum Potassium levels can get high in people with kidney failure, posing a significant risk to their health.
The nurse should plan the following actions as a priority for a client with acute kidney injury and a serum potassium level of 7.0 mEq/L:
1. Place the client on a cardiac monitor
2. Notify the HCP3.
Review the client's medications to determine if any contain or retain potassium. Both potassium and kidney damage can affect the heart, which is why the nurse should put the client on a cardiac monitor (option 1) immediately after finding out that they have a high potassium level. The nurse should notify the health care provider (option 2) about the client's potassium level as soon as possible, as this is a medical emergency. The nurse should review the client's medications to determine if any contain or retain potassium (option 4). This may include medications that are used to treat heart disease, such as ACE inhibitors and angiotensin receptor blockers. By discontinuing these drugs or substituting them with other medications, the nurse may assist in lowering the potassium levels and promoting kidney function.Intravenous fluids are given to correct dehydration or to meet the daily fluid requirements. Hence, there is no need to provide an extra 500 mL of intravenous fluid intake to dilute the electrolyte concentration (option 5).The nurse should put the client on NPO status except for ice chips (option 3) until potassium levels are under control. Ice chips are given to keep the client hydrated and moisten the oral cavity. However, the nurse should not start any oral intake until the healthcare provider has authorized it.
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(gene) a segment of DNA that ______ for a trait and is transferred from parent to offspring.
Answers
Based on the impact that volcanoes have on the amount of solar radiation transmitted, what can be concluded about the effect of volcanic activity on global temperature?
a.
volcanic eruptions are the result of a decrease in global temperature.
b.
volcanic eruptions result in a decrease in global temperature.
c.
volcanic eruptions result in an increase in global temperature.
d.
volcanic eruptions have no effect on global temperature.
Answers
Based on the impact that volcanoes have on the amount of solar radiation transmitted, it can be concluded that volcanic eruptions result in a decrease in global temperature (option b).
When a volcano erupts, it releases a large amount of sulfur dioxide and ash into the atmosphere. These particles can reflect incoming solar radiation back into space, leading to a cooling effect on the Earth's surface. This cooling effect can last for several years after a large volcanic eruption.
Therefore, the correct answer is option b) the impact of volcanoes on the amount of transmitted solar radiation suggests that volcanic activity has a cooling effect on global temperature.
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in your introduction to biological anthropology class, the instructor asks you to examine a fossil skull and determine which species it is. you note there is a sagittal keel at the top of the skull. based on this information alone, to which species does the skull belong?
Answers
Based on the presence of a sagittal keel, a characteristic feature of hominin skulls, it is most likely a Homo sapiens, or human, skull.
To determine if this is the case, there are several features that must be taken into account. Firstly, the shape of the skull should be examined. Human skulls tend to be globular in shape, while other species like Neanderthals have a more elongated and rectangular shape.
Next, the brow ridge should be examined. Homo sapiens have a low and broad brow ridge, while Neanderthals have a more prominent one.
The size and placement of the foramen magnum is also key indicator. The foramen magnum is the hole in the skull that the spinal cord passes through. In Homo sapiens, the foramen magnum is situated centrally at the bottom of the skull.
Finally, the size and shape of the jaw can be examined. Human jaws tend to be short and wide, while Neanderthals have longer and narrower jaws.
In conclusion, based on the presence of a sagittal keel at the top of the skull, it is likely that the fossil skull is a Homo sapiens, or human, skull. However, to be sure, the other features mentioned should be examined in order to confirm this.
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Which mechanism of harm presents the greatest immediate threat at hazmat incidents?
A. Toxicity
B. Infection
C. Corrosivity
D. Energy release
Answers
Answer:
D.
Explanation:
it should be the energy release. I think that it’s this because, energy being released I think can cause death.
Assuming that the seeds were transported from the original island by migratory animals, please identify the general and specific speciation mechanism which would be observed in this case.General speciation mechanism: ________Specific speciation mechanism (which type of your answer to part #1 is observable in this case): ______
Answers
General speciation mechanism: Allopatric Speciation Specific speciation mechanism (which type of your answer to part #1 is observable in this case): Geographic Isolation.
Geographic isolation is a type of allopatric speciation, which is a form of speciation that occurs when two populations of the same species become isolated from each other geographically.
This isolation can occur due to physical barriers, such as mountains or rivers, or due to the movement of the species to new areas. In the case of the transported seeds, the species originally on the island became separated from the original population when the seeds were transported by migratory animals.
This geographic isolation of the species from the original population led to the formation of a new population on the new island with unique characteristics, which is the basis of speciation.
Over time, if the two populations remain separated, the divergence of the two populations will increase, resulting in the formation of two distinct species.
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What are the three main types of tectonic plate boundaries?
a. convergent, divergent, and transform
b. continental, oceanic, and convergent
c. oceanic, convergent, and divergent
d. transform, continental, and divergent
Please select the best answer from the choices provided
A
B
С
D
Answers
Answer:A
Explanation:
The three main types of tectonic plate boundaries are convergent, divergent, and transform. The correct option is a.
What are tectonic plate boundaries?Tectonic plate boundaries are the different types of boundaries, that show how the tectonic plates are connected to each other. There are three types, convergent, divergent, and transform.
The three types are:
Convergent boundaries- when two plates are colliding.Divergent boundaries- when two plates are moving apart.Transform boundaries- when plates slide past each other.Thus, option a. is correct regarding the tectonic plate.
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How much water can we hold in our bodies before we die?
Answers
The human body cannot hold more than 5 liters in one hour, because hyponatremia would then be induced, meaning the amount of water would cause water movement in the brain causing what we call a cerebral edema.
Select the response that is NOT one of the three main parts of
the muscular system.
Muscles
Ligaments
Tendons
Bones
Answers
The response that is NOT one of the three main parts of the muscular system is "Bones." The three main parts of the muscular system are muscles, ligaments, and tendons.
The muscular system is responsible for the movement of the body and includes various components. Muscles are the primary components of the muscular system. They are composed of muscle tissue and are responsible for generating force and facilitating movement.
Ligaments are fibrous connective tissues that connect bones to other bones. They provide stability to joints and help to prevent excessive movement or dislocation.
Tendons, on the other hand, are tough connective tissues that connect muscles to bones. They transmit the force generated by muscles to the bones, allowing for coordinated movement.
Bones, although crucial for the skeletal system, are not considered one of the main parts of the muscular system. While bones provide support and serve as attachment points for muscles and tendons, they are distinct from the muscular system itself.
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A research group is looking for a way to use spider silk, valued for its high tensile strength, to make extremely strong ropes, but spiders only produce small amounts of silk. they have isolated the gene and have inserted it into cows to produce the silk protein in their milk where the scientists can collect it in large quantities. what is this process called? a. bioreaction b. transgenics c. artificial selection d. recombination
Answers
Option (B) Transgenics is the correct answer.
Transgenics involves one or more DNA sequences being artificially introduced into an organism that wouldn't usually have them.
What is Transgenics?The term "transgenic" refers to organisms with modified genomes.For scientific investigation, most transgenic organisms are produced in laboratories. A particular gene of interest is disabled in transgenic mice called "knock-out" mice. Researchers can learn more about the normal operation of the gene by researching its consequences.It is possible to alter the genomes of living things with contemporary genetic technology. The term "genetic engineering" also applies to this method.Additionally, commercial uses for transgenic organisms have been created. Food crops like soy and peas that have undergone genetic modification to become resistant to pesticides and herbicides are probably the most well-known examples.Hence, Transgenics entails the artificial introduction of one or more DNA sequences into an organism that wouldn't typically contain them.
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4) Complete the Venn diagram by identifying common or isolated characteristics (Note "B" identifies RNA!).
(choose A, B, or C for the following)
(A = DNA B = RNA C = both)
1.)_____sugar=deoxyribose
2.)_____double helix strands
3.)_____thyamine
4.)_____adenine
5.)_____guanine
6.)_____cytosine
7.)_____sugar=ribose
8.)_____single genes strand
9.)_____uracil
10.)_____genetic blueprint
Answers
Answer:
1.)___A__sugar=deoxyribose
2.)__A___double helix strands
3.)__A___thyamine
4.)__C___adenine
5.)__C___guanine
6.)__C___cytosine
7.)__B___sugar=ribose
8.)__B___single genes strand
9.)___B__uracil
10.)___C__genetic blueprint
Explanation:
Deoxyribose sugar is present only in the DNA molecule whereas in RNA molecule the sugar found is ribose sugar. DNA molecule is generally found in a double-stranded helical form that consists of adenine, guanine, cytosine, and thymine bases.
In RNA molecule there is all bases present that found in DNA instead of thymine, RNA has uracil in place of thymine. Both nucleic acids are known as the genetic blueprint of organisms as they contain genetic codes or information.
75 POINTS!!!!!!!!!!!
Answers
Answer: Maps with scale, compass and astrolabe, GIS, internet
Explanation:
Answer:
Maps with scale, compass and astrolabe, GIS, internet
Explanation:
the two reasons for thoroughly watering a newly planted shrub or tree are to
Answers
The Thoroughly watering a newly planted shrub or tree is important for two main reasons: crucial for establishing a strong root system and reducing transplant shock, both of which contribute to the overall health and success of the plant.
The Establishing root system: Watering the tree or shrub helps the roots to establish themselves in the soil. This promotes healthy growth and ensures the plant can absorb necessary nutrients and water from the soil. Reducing transplant shock: Thoroughly watering helps to minimize the stress caused by transplanting, as it provides the necessary hydration for the plant to adapt to its new environment and recover from any damage sustained during planting. In summary, thoroughly watering a newly planted shrub or tree is crucial for establishing a strong root system and reducing transplant shock, both of which contribute to the overall health and success of the plant.
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