the receptor cells that convert light energy into neural signals are called a. bipolar cells. b. opponent processors. c. feature detectors. d. ganglion cells. e. rods and cones.
Answers
Specifically designed neurons called photo receptors are found in the retina. They transform light into electrical signals that activate physiological processes.
Rods and cones are the receptor cells that transform light energy into brain impulses. Photoreceptors are specialised cells found in the retina of the eye that react to light. The retina contains rods and cones, two different types of photo receptors. Rods only contain one kind of light-sensitive pigment and are sensitive to changes in form, light, and darkness. Cones are more sensitive to the three primary colors blue, red, and green than rods, but they are less sensitive to light than rods. Cone signals are transmitted to the brain, where they are translated into perceptions of colour.
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Related Questions
Can anyone help me with this question? PLEASE THIS IS DUE VERY SOON!!!!
Why would aquatic species need strong arm like bones in order to evolve into creatures that live on land?
Answers
Answer:
Explanation:
The vertebrate land invasion refers to the aquatic-to-terrestrial transition of vertebrate organisms in the Late Devonian epoch. This transition allowed animals to escape competitive pressure from the water and explore niche opportunities on land. Fossils from this period have allowed scientists to identify some of the species
Question 4 of 10
Many people try to eliminate fat from their diets. Which is one reason it is
necessary for humans to eat fat?
O A. Fat stores less energy than polysaccharides.
OB. Saturated fats clear out the blood vessels.
O C. Eating fat is the fastest way to get energy.
O D. The internal organs are cushioned by fat.
SUBNE
Answers
Answer:
C
Explanation:
because it keeps long term energy and is used for like swimmers
Based on the critical review of contemporary international sources, explain two key ideas for how uncertainty should be dealt with in the new Environmental Impact Assessment (EIA) procedures. (800 words with references)
Answers
Uncertainty is an important element of EIA procedures. Risk assessment and management, as well as improved communication and collaboration between stakeholders, are two key ideas for how uncertainty should be dealt with in the new EIA procedures.
There are two key ideas for how uncertainty should be dealt with in the new EIA procedures. First, there should be a focus on risk assessment and management. This involves identifying the sources of uncertainty, assessing the potential impact of these sources, developing strategies to reduce the risks associated with them, and monitoring the implementation of the strategies.
By focusing on risk assessment and management, potential impacts of uncertainty can be minimized, allowing for more informed and effective decision-making. Second, improved communication and collaboration between stakeholders is essential.
This involves actively engaging stakeholders in discussions surrounding potential sources of uncertainty, developing strategies to manage uncertainty, and ensuring that stakeholders are kept informed of any changes or developments.
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Cytosine makes up 30% of the nucleotides in a sample of DNA from an organism. What percent of the nucleotides in this sample will be adenine?
Answers
Answer:
20%
Explanation:
The four different bases pair together in a way known as complementary pairing. Adenine always pairs with thymine, and cytosine always pairs with guanine.
if adenine makes
The guanine percent is 30. This is because the other 30% of the 60% is cytosine. Getting back to adenine, it always partners up with thymine as i mentioned before, So it would be 20% thymine and 20% adenine, add those portions to the 60% of the other two, mentioned above and you have 100%.
Suppose that there is a mutation in a suppose that there is a mutation in a single-celled organism where the Krebs cycle (TCA/Citric Acid Cycle) doesn't happen. What would be the consequences for that organism? How would their metabolism be similar to ours? How would it be different?
Answers
In this case, the organism would not be able to produce ATP in aerobic conditions. The Krebs cycle is fundamental in humans.
Cellular respiration consists of a series of metabolic reactions by which aerobic cells can produce ATP (the energy coin of the cell) by using the energy stored in foods and oxygen.
Cellular respiration has three types of sequential reactions: glycolysis, the Krebs cycle and oxidative phosphorylation.
During the Krebs cycle, the energy from foods (e.g., carbohydrates) is released through the oxidation of acetyl-CoA.
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You can bench test a tubular bowl separation by first characterising the product in a test tube centrifugation .Without actually knowing the size and density of the particles in the suspension,derive an expression for angular velocity required to capture the top of the packed solids was 79 mm from the center of rotation after 17 min.
Answers
The angular velocity required to capture the top of the packed solids was 79 mm from the center of rotation after 17 min can be derived using the following expression:
ω = (2πn) / 60whereω = angular velocity n = rotational speedThe first step in solving the problem is to convert the time (17 min) to seconds.17 min = 17 × 60 = 1020 secondsWe can also convert the distance (79 mm) to meters:
79 mm = 0.079 m The gravitational constant, g, is equal to 9.81 m/s².Let's substitute the given values in the expression for angular velocity:
ω = (2π × n) / 60 = (2π × r × g) / (60 × h)Where:r = radius of the bowl = 79 mm = 0.079 mh = height of packed solids = 0.017 gn = number of revolutions in 17 min = (1 / 60) × 17 = 0.2833 rpm.Let's convert the rotational speed, n, to radians per second.1 revolution = 2π radiansn = 0.2833 rpm = 0.2833 × 2π / 60 = 0.0297 rad/sNow, we can substitute the values in the expression for ω:
ω = (2π × r × g) / (60 × h) = (2π × 0.079 × 9.81) / (60 × 0.017) = 14.3 rad/sTherefore, the angular velocity required to capture the top of the packed solids was 79 mm from the center of rotation after 17 min is 14.3 rad/s.About RotationRotation is the rotation of an object on a fixed axis, for example the rotation of a top and the rotation of the earth on its axis. For the earth, this rotation occurs on the north-south line/axis/axis. The rotation period or the time it takes for the earth to rotate on its axis for 1 rotation is 23 hours 56 minutes. This is used as a benchmark that the Earth's rotation time is 1 day in size. Earth's rotation around its axis takes 23 hours 56 minutes and 4.091 seconds.
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8.why is it important that weak forces, not strong forces, mediate biomolecular recognition? how do hydrophobic interactions drive formation of protein structures?
Answers
Answer:
Biomolecular interactions are mediated by weak forces because these forces are more easily reversed or modified allowing for more dynamic systems. Hydrophobic interactions drive protein structure formation because nonpolar side chains must be "buried" away from the water and polar side chains can reside on the surface, allowing water to remain as disordered as possible.
Explanation:
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which of the following is a healthy food for ducks to eat?
A
crackers
B
old bread
C
bugs
D
uncooked rice
Answers
foods like bread and crackers have no nutritional value to ducks and can cause malnutrition and painful deformities if consumed too much. ducks can eat rice, but it’s recommended to limit the serving size
What is the best example of Environmental Variation?A. Blood groupB. Number of limbsC. Jacket colorD. Organism size
Answers
Answer
A. Blood group
Explanation
B
removal of heavy metals from the soil can be done by trees.justify
Answers
what is the defination of matter?
Answers
Answer:
matter is a kind of substance
Answer:
any thing that has a mass and occupies space is called matter
Explanation:
for example
a book is a matter because it has a mass and it also occupies some space
Which of the following pairs of vertebrate groups are most like each other (share the most characteristics)? Circle your choice.
Answers
The correct answer is c.Amphibians and reptiles. An example of similarity between the two classes of vertebrates is the presence of a heart with three chambers
a. What is a pH buffer and how does it work?
Answers
Explanation:
A buffer is an aqueous solution that can resist significant changes in pH levels upon the addition of small amount of acid or alkali. Each buffer is characterized by a set ‘capacity’ which is defined as the quantity of strong acid or base that must be added to change the pH of one liter of solution by one pH unit. In other words, buffer capacity is the amount of acid or base that can be added before the pH begins to change significantly.
A buffer range is the specific pH range in which a buffer effectively neutralizes the added acid or base, while maintaining nearly constant pH. Capacity and range of a particular buffer ensures that the added small amount of acid/base is neutralized and the chemical reaction keeps going without giving a wrong outcome for the experiment/process. Simply put, a buffer is a mixture of a weak acid and its conjugate base or a weak base and its conjugate acid
Cirrhosis of the liver can be caused by infection with the hepatitis B virus (HBV). It can also result from excessive consumption of alcohol. This means that HBV, with regard to cirrhosis, is:
Answers
HBV is a significant risk factor for cirrhosis of the liver, alongside excessive alcohol consumption.
When a person contracts HBV, the virus attacks the liver and can cause inflammation and damage to the liver cells. If this damage is not repaired, it can lead to the formation of scar tissue, which can eventually progress to cirrhosis. Similarly, excessive alcohol consumption can also cause inflammation and damage to liver cells, leading to the formation of scar tissue and ultimately, cirrhosis.
It's worth noting that not everyone who contracts HBV or drinks excessively will develop cirrhosis. The risk of cirrhosis depends on various factors, such as age, genetics, and overall health.
However, it's essential to take steps to protect your liver health, such as getting vaccinated against HBV and avoiding excessive alcohol consumption, to reduce the risk of developing cirrhosis. If you suspect that you may have HBV or are concerned about your liver health, it's crucial to speak to a healthcare professional.
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9. Which of the following shows the correct sequence of the cell cycle
And 8,9,10 answers in the photo
Answers
Answer: 8b, 9c, 10a
Explanation:
not too sure about 8 but i think other 2 are correct
True or False? All mutations have a negative effect on a population of organisms.
Answers
Answer:
False, I believe. Mutations sometimes might have an effect that helps the population. Example: I've heard of Two-Headed snakes, and even seen some on the internet. They live their lives just fine, so I suppose the mutation was actually quite helpful.
Answer:
false
Explanation:
Why do you think engineers working on the Venice Tide Barrier project are following the Engineering and Design Process?
A. A creative, effective solution an be developed
B. The Engineering and Design Process costs more time and money
C. It eliminates the need for creativity
D. Over time, there will be no need to brainstorm or test ideas
Answers
Answer:
Please correct me if I’m wrong but I believe it’s cause it’s A
Explanation:
sorry If I answered your question wrong I didn’t mean to I really tried
Answer:
listening the money by the drums
Explanation:
Which statement indicates one difference between the gene that codes for insulin and a gene that codes for testosterone in humans
Answers
Answer:
hello your question lacks the required option below are the missing options
A) The gene for insulin is a sequence of five different molecular bases while the gene for testosterone is a sequence of only four different molecular bases.
B) The gene for insulin is replicated in vacuoles, while the gene for testosterone is replicated in mitochondria
C) The gene for insulin has a different sequence of molecular bases than the gene for testosterone.
D) The gene for insulin is turned ON in liver cells, but the gene for testosterone is not
answer : The gene for insulin has a different sequence of molecular bases than the gene for testosterone ( C )
Explanation:
The statement that indicates the difference between the gene that codes for insulin and a gene that codes for testosterone is ; The gene for insulin has a different sequence of molecular bases than the gene for testosterone.
Genetic codes are determined basically by the four types of nitrogen bases contained in the molecules of the DNA ,
Which of the following DOES NOT cause a mutation?
Environmental factors such as radiation and chemicals
Infectious agents like viruses and bacteria
Spontaneous mutations
Pure water
Answers
Xavier observes a fully lit moon. When can he expect to see the moon look like this again?
In about 12 hours
In about 24 hours
In about 15 days
In about 30 days
Answers
Answer:
In about 30 days
Explanation:
Assume Xavier sights a full moon today, it'll take around 29.5 days to see the moon at that size again.
Analysing each of the given options, only option D answers the question because 29.5 days can be rightly said to be about 30 days.
Or better still, 29.5 days approximates to 30 days.
Cell organelle that converts the chemical energy stored in food into compounds that are more convenient for the cell to use.
Answers
Organelle found in mitochondrion cells that transforms chemical energy from food into molecules that are easier for cells to utilise.
Describe the mitochondrion:A mitochondrion is a double-membrane-bound organelle found in the majority of eukaryotic organisms. The mitochondria use aerobic respiration to produce the majority of the adenosine diphosphate (adp), that is used as a source of chemical energy all through the entire cell.
What use does the mitochondrion perform in a cell?The conventional role of mitochondria is oxidative phosphorylation, which generates ATP utilizing the energy released through the oxidation of the food we eat. ATP serves as the primary energy source for the bulk of biological pathways, including as growth, movement, and equilibrium.
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What is a landslide?
Movement of earth materials up a slope.
Movement of water up a slope.
Movement of water down a slope.
Movement of earth materials down a slope. ill mark brainlyest
Answers
draw and label a diagram of the transverse section of a young monocot stem
Answers
Answer:
Epidermis diagram:
Epidermis is the single outermost layer present in the monocot stem. It is made up of parenchyma cells.
First Image: From online source
Second Image: Hand-Drawn, from online source
You decide to study which dishwashing
detergent removes dried on ketchup
the fastest. Which of these would be
considered a constant in the
experiment?
A. Using different brands of dish detergent
B. Using different amounts of ketchup
Answers
Answer: Using 40° C water
Explanation:
One decides to study which dishwashing detergent removes dried ketchup the fastest, so one would be considering using different brands of dish detergent , which is in option A. Hence, option A is correct option.
In a scientific experiment, a constant is a factor that remains the same throughout the experiment. It is essential to keep certain variables constant to ensure that any observed changes or effects can be attributed to the specific variable being tested. By doing so, it helps eliminate potential confounding factors that could interfere with the results. In the given scenario, the aim is to study which dishwashing detergent removes dried on ketchup the fastest. The variable being tested is the dishwashing detergent. Therefore, the constant in the experiment should be something that remains consistent throughout all trials. Hence, option A is correct option.
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A suprathreshold depolarization in the middle of an axon (e.g., half-way between the cell body and the synaptic terminal) would result in generation of an action potential at the site of depolarization that
Answers
An action potential would be produced at the location of the depolarization in the middle of an axon, specifically midway between the cell body and the synaptic terminal.
Voltage-gated sodium channels in that area open when the depolarization rises over the threshold level, permitting an influx of sodium ions. An action potential is started as a result of a quick and large shift in membrane potential. As contiguous membrane segments cross their threshold and depolarize, the action potential then spreads along the axon in both directions, guaranteeing effective electrical signal transmission to the synaptic terminal.
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What determines the current phase of the moon?
Which side of the moon is facing earth
The earths seasons
How much of the sunlit part of the moon is visible
The 23.5 degree tilt of the Earths axis
Answers
Answer:
the answer is C
Explanation:
...............
The sequence of ____
in a DNA molecule determines the protein that will be produced.
Answers
Answer:
chromosones
Explanation:
An advertisement for a health supplement for dogs claims to build lean muscle and strengthen tendons and ligaments, as well as provide energy. Which two macromolecules must the supplement contain to provide these benefits?
a. Carbohydrates and lipids
b. Proteins and carbohydrates
c. Nucleic acids and carbohydrates
d. Lipids and nucleic acids
Answers
The supplement has to build lean muscle and strengthen tendons and ligaments. Muscle, tendons, and ligaments are all made of protein. So the supplement must contain protein.
It should also provide energy. The most readily used form of energy is carbohydrates (for energy metabolism, carbs are used first, then lipids, then proteins as a last resort). Therefore, the supplement should have carbohydrates.
Answer:
B-proteins and carbohydrates
The supplement has to build lean muscle and strengthen tendons and ligaments. Muscle, tendons, and ligaments are all made of protein. So, the supplement must contain protein.
Explanation:
Fruits are produced by the plant parts called
Answers
Answer:
In botany, a fruit is the seed-bearing structure in flowering plants (also known as angiosperms) formed from the ovary after flowering
Explanation:
Choose one specific natural resource in your region. Describe what it is used for, how it is harvested, what attempts have been made to manage it in a sustainable way, and how social, economic, and environmental needs may come into conflict. Evaluate how effective the attempts of natural resource management have been.
Answers
Answer:
Rainwater is very important in my area, we use it for crops, animals and for everyday essentials. It's collected in jars and kept stored, it can be filter then boiled to extract any bacteria. Then I usually sit it outside in the sun to grab the suns energy. This saves me a lot of money on utilities like my water bill for example. It's safe for everyone and poses no threat to the environment.
Explanation:
This is a natural alternative for anyone who loves nature and alkaline water
Answer:
Blue crab is an important resource in my region. It is harvested in Chesapeake Bay. People in my region have been eating blue crabs for hundreds of years. Blue crabs are usually harvested in traps called crab pots. Most crabs are harvested commercially, but recreational crabbing is also important. Crab harvesting in Chesapeake Bay is regulated by the states of Maryland and Virginia, and special licenses are required. Limits are placed on the number of crab pots and the sizes of crabs that can be kept. Even though regulations are in place to protect the crabs, their numbers are declining due to deteriorating water quality in Chesapeake Bay. The crabs require additional protection, but too many restrictions could put people out of work because blue crabs are a popular, traditional food in the region, and thousands of people make a living from crab fishing. The natural resources management of the crabs is inadequate because the crabs continue to be harvested in an unsustainable way.
Explanation:
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