the point where the optic nerve leaves the eye is called the blind spot. true or false?
Answers
The blind spot is a region at the back of the eye where the optic nerve exits the eye on its way to the brain. At this spot, no image is formed due to the absence of photoreceptor cells, i.e. rods and cones.
Related Questions
what is true about scientific inquiries
Answers
When in U.S, history did pollution start to become an issue? Explain why pollution was not an issue prior to this time period.
Answer in at least 3 complete sentences.
Answers
Answer:
pollution began to be a problem in 1800's.
Explanation:
more people meant more rubbish. industry also added to this
Is the greenhouse effect good or bad
Answers
How long does it take for marigold/rice/coconut/mango plants to come to flower ? In some plants, where flowering occurs
more than once, what would you call the inter-flowering period – juvenile
or mature?
Answers
Mango and coconut trees are plants, hence it takes them a while to bloom. Depending on the kind and growing conditions, mangoes begin to flowering three to six years after the seed is planted. It can take a coconut up to 7 years.
How long do marigolds require to bloom?Marigolds are simple to grow from seed since they germinate quickly, sprouting within a few days and blooming in around 8 weeks. After the last chance of frost has passed and the soil has warmed up, sow seeds immediately outside. After planting, space seeds 1 inch apart and give them plenty of water.
What process does a mango flower in?From the most recent mature shoots' terminal buds, mango blossoms develop. After a period of dormancy, the majority of cultivars only flower once per year in the winter or spring. Cool evenings and dry weather are typically what start flowers.
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The oil component found in tears is produced by the ________.
A) lacrimal glands
B) ciliary gland
C) conjunctiva
D) tarsal glands
Answers
The oil component found in tears is produced by the tarsal glands. (option D)
The oil component found in tears is produced by the meibomian glands, also known as the tarsal glands. (option D) These are a type of sebaceous gland that is located in the eyelids, near the base of the eyelashes. The meibomian glands produce a type of oil called meibum, which is a complex mixture of lipids, including wax esters, cholesterol esters, and other fatty acids. Meibum is secreted onto the surface of the eye when the eyelids blink, and it helps to prevent evaporation of the watery component of tears, which is produced by the lacrimal glands. Meibum also helps to lubricate the surface of the eye, reducing friction between the eyelid and the cornea.
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Which of the following is a part of an ATP
molecule?
A. ribosomes
B. spindle fibers
C. 2-carbon sugars
D. 3 phosphate groups
Answers
Answer:
its going to be D . 3 phosphate groups
Explanation:
The difference in charge between the inside and the outside of the nerve fiber when the nerve is at rest is ____ mv.
Answers
The difference in charge between the inside and the outside of the nerve fiber when the nerve is at rest is -70 mv.
A neuron's inner is around 70 millivolts more negatively charged than its exterior when the cell is at rest (70 mV; note that this value varies depending on the species and type of neuron). This voltage, which is caused by fluctuations in the quantities of ions inside and outside the cell, is known as the resting membrane potential. If the membrane were equally permeable to all ions, each type of ion would pass through it, and the system would eventually reach equilibrium. Because ions cannot simply cross the membrane at will, there are different concentrations of some ions inside and outside the cell.Learn more about the resting membrane potential with the help of the given link:
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where is epithelium tissue located
Answers
Answer:
Epithelial tissues line the outer surfaces of organs and blood vessels throughout the body, as well as the inner surfaces of cavities in many internal organs. An example is the epidermis, the outermost layer of the skin.
- Wikipedia
Answer:
Epithelial tissues are widespread throughout the body.
Explanation:
they are major tissue located inglands
10. True or False. The pH scale is the measurement system to indicate the concentration of hydrogen (H+) ions in
a solution
Answers
Answer:
that is true
Explanation:
Which of the following actions would help ensure safety in a biology laboratory? keeping personal belongings on top of the lab table trying a piece of equipment until you get it to work discussing the football game while you do the lab being serious and attentive throughout the lab activity
Answers
Answer:
being serious and attentive throughout the lab activity
Explanation:
I don't thinj it needs an explanation. You just have to think logically.
Answer:
D
Explanation:
which best practices would facilitate efficient supply ordering
Answers
Efficient supply ordering relies on implementing certain best practices to streamline the process and minimize waste.
Streamline refers to the process of optimizing or simplifying a system, process, or design to improve efficiency and reduce unnecessary complexity. It involves analyzing and reorganizing various components to create a more efficient and streamlined workflow. The goal of streamlining is to eliminate bottlenecks, reduce redundancies, and enhance overall productivity.
Streamlining can involve restructuring organizational hierarchies, optimizing supply chains, or automating repetitive tasks using technology. By eliminating unnecessary steps and improving communication, companies can enhance their operational efficiency, reduce costs, and deliver products or services more effectively.
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select the abcc11 gene, the earwax gene. a mutation in this gene determines whether a person has wet earwax or dry earwax. looking at the template strand, what type of mutation occurs?
Answers
The ABCC11 gene is responsible for determining the type of earwax a person has. A mutation in this gene can lead to either wet or dry earwax. When examining the template strand, a single nucleotide polymorphism (SNP) is the type of mutation that occurs.
The ABCC11 gene is responsible for determining the type of earwax a person has. A mutation in this gene can lead to either wet or dry earwax. When examining the template strand, a single nucleotide polymorphism (SNP) is the type of mutation that occurs, specifically causing a change in the amino acid sequence and ultimately influencing the earwax consistency.
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describe the brachial plexus. (module 12.9a) the brachial plexus is a network of nerves formed by branches of spinal nerve segments c1-c7. the brachial plexus is a network of nerves formed by branches of spinal nerve segments s5-co1. the brachial plexus is a network of nerves formed by branches of spinal nerve segments t1-t12. the brachial plexus is a network of nerves formed by branches of spinal nerve segments l1-l5. the brachial plexus is a network of nerves formed by branches of spinal nerve segments c5-t1.
Answers
The correct description of brachial plexus is a network of nerves formed by branches of spinal nerve segments C5-T1.
The upper limb's skin and muscles are supplied by a nerve network known as the brachial plexus. It extends from the root of the neck all the way through the axilla and the upper extremities.
The anterior rami of the spinal nerves that make up the brachial plexus are referred to as the "roots."These are the spinal nerves C5, C6, C7, C8, and T1's anterior rami.
Pairing spinal nerves arise at each vertebral level. they exit the spinal cord, Through the intervertebral foramina of the vertebral column,
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1. You and your classmate are discussing different organs and organ systems within the human body.
Your friend states that the excretory system includes multiple organs, and one of those organs is the
lungs. You argue that the lungs can't possibly be in the excretory system since it is part of the
respiratory system. Which of the following choices would be the best statement that your friend
would use to justify why the lungs help keep homeostasis for the excretory system?
A. The lungs bring in oxygen, which is a vital gas to keep our cells alive and healthy.
B. The lungs exhale carbon dioxide, which is a waste gas and needs to be removed from the body.
C. The lungs provide cells with a gas that is important for the cell process of respiration.
D. The lungs remove waste in the forms of solids, liquids, and gases that could be harmful for the body,
Answers
in osmosis, as in other forms of _____________, molecules move from an area of ____________ concentration to an area of __________ concentration
Answers
In osmosis, as in other forms of WATER molecules move from an area of HIGH concentration to an area of LOWER concentratio.
What is the name for water molecules?H2O is the designation given to water in science. Due to the fact that it contains two hydrogen (H) atoms and one oxygen atom, it is known as H2O. (O). These molecules number in the millions in a single drop of water.
Is H2O a molecule of water?Even though a single water molecule (H2O) is made up of one oxygen atom coupled to two hydrogen atoms, a group of H2O molecules alone can only exist as a gas. The H atoms in each H2O molecule are positively charged, while the O atoms are negatively charged.
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i know it’s late but i really need help
Answers
Answer:
C DNA and Protines
Explanation:Nuclear DNA does not appear in free linear strands; it is highly condensed and wrapped around nuclear proteins in order to fit inside the nucleus.
In how many days the life cycle of honey bee complete
Answers
Answer:
In 10 days it will be completed
pls help me i will mark brainliest im begging you
Answers
The process of conversion of nutrients from an organic form into an inorganic form that plants can use is called:.
Answers
The process of converting nutrients from an organic form into an inorganic form that plants can use is called mineralization.
This process involves the breakdown of organic compounds such as dead plant and animal matter, into their constituent elements, which are inorganic in nature. These inorganic elements are then made available to plants in the form of nutrients.
Mineralization is an essential process in the nutrient cycle, as it helps to replenish the soil with the necessary nutrients that plants require for growth and development. Without mineralization, nutrients would remain trapped in organic matter, and plants would not be able to access them.
However, with mineralization, these nutrients are released into the soil, where they can be taken up by plant roots and utilized for various physiological processes.
Inorganic nutrients that are made available to plants through mineralization include nitrogen, phosphorus, potassium, calcium, magnesium, and sulfur, among others.
These nutrients are essential for plant growth and development, and deficiencies in any one of them can limit plant growth and yield. Therefore, mineralization is a critical process in ensuring healthy plant growth and optimal crop production.
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Marine Science
Why do you think satellites are placed in the thermosphere?
Answers
Satellites are placed in the thermosphere because the temperature of the thermosphere can attain almost 2,000 stages Celcius (3,632 degrees Fahrenheit), there aren't enough fuel molecules to transfer the heat to materials, which is why astronauts and the distance Station do not soften.
No natural objects are determined in the thermosphere other than an occasional meteorite passing thru. but, many satellites may be observed in the thermosphere, particularly a number of the ones in low-earth orbit as well as parts of these especially elliptical orbits.
Radiation reasons the air particles in this layer to end up electrically charged, allowing radio waves to dance off and be obtained past the horizon. The few molecules which can be present in the thermosphere get hold of splendid quantities of electricity from the solar, inflicting the layer to heat to high temperatures.
Many satellites orbit within the thermosphere and changes within the density of air at orbital altitudes, introduced by using heating and expansion of the thermosphere, generates a drag force on satellites.
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Answer:
The International Geophysical Year (IGY) was prompted by a lack of concise data about Earth and its land, oceans, and atmosphere. Post-World War II technology had become available to launch a worldwide research effort to solve questions concerning the physical processes, patterns, and cycles of the forces of nature—the geophysics of the earth. During the IGY, global cooperative research expanded knowledge of Earth itself, the lower and upper atmosphere, the oceans, the polar regions, and near space, where the first satellites orbited successfully.
Through the nineteenth century marine and polar exploration had highlighted the earth as a natural laboratory for research and brought new emphasis to the development of modern Earth sciences—geology, meteorology, and oceanography. The mystery of the polar regions stimulated the first cooperative, multinational scientific effort, the International Polar Year (1882-1883), but it was hardly international and consisted of failed expeditions. The world's scientific community tried again during the Depression, but many countries could not honor their commitments. The end of World War II, however, brought a new technological age.
Explanation:
sort the following protein complexes of the electron transport chain according to whether they are involved in pumping protons across the inner mitochondrial membrane or not. Drag the appropriate items to their respective bins.
- complex I
- complex II
- complex III
- complex IV- cytochrome C- coenzim Q
Answers
Protein complexes of the electron transport chain that Pumps protons : complex I, complex III, complex IV.
Protein complexes of the electron transport chain that Do not pump protons : coenzyme Q, complex II, cytochrome C.
In general, the ETC proteins are complex I, complex II, coenzyme Q, complex III, cytochrome C, and complex IV. Coenzyme Q (ubiquinone) is composed of a quinone and a hydrophobic tail. Its function is to act as an electron carrier, transferring electrons to complex III.
An electron transport chain is a collection of protein complexes and other molecules that use redox reactions to excite an electron from electron donors to electron acceptors while also transporting protons across a membrane. Electrons are transferred from one molecule to another in the electron transport chain, and the energy released during these electron carriers is used to form an electrochemical gradient. The stored energy in the gradient is used to produce ATP in chemiosmosis.
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what property of rna enables some rna molecules to function as enzymes?
Answers
Answer:
Property 1. Some bases in RNA have functional groups.
Property 2. it has a 3-D structure because it has the ability to base pair with itself.
Property 3. RNA can hydrogen bond with other nucleic acid molecules.
RNA can act as an enzyme which is known as Ribozyme because of the presence of some properties such as the ability to form base pair with itself, presence of functional groups, etc.
What are Ribozymes?The ribozymes are the catalytic RNA molecules, which were first identified in the early 1980s. They show the intrinsic property of breaking and forming covalent bonds in the RNA molecules. In many ways, ribozymes can be compared to the protein enzymes which can catalyze the cleavage of peptide bonds in different proteins or peptide molecules.
The term ribozyme refers to the enzymatic activity of RNA and the ribonucleic acid nature of RNA at the same time. They can catalyze the formation of polypeptide molecules by decreasing the activation entropy of the reaction.
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what will most likely happen if the plankton population decreases in this ocean system?
Answers
Answer: here
Explanation: If the plankton population decreases, there will be less food available for the shrimp. 2. As a result, the shrimp population may also decrease due to lack of food.
hope this helps
in the down phase of a pull up (moving from a to b), what are the movements and type of muscle activity for the shoulder girdle and shoulder joints?
Answers
The shoulder muscles and shoulder joints that surround the scapula help keep it in place even though it is not connected to any one bone in the axial skeleton.
The scapula is a component of the shoulder girdle and shoulder joints which also contains the clavicle. Both bones are a part of the appendicular skeleton.
Although it is frequently referred to as the shoulder blade as well, the correct name for this bone in anatomy is the scapula. Two scapula are found in the human skeleton. They are not identical in shape because one scapula is a member of the left shoulder girdle and the other, the right one.
This is presuming the query is referring to a barbell back squat. Keep your chest up and body straight during a barbell back squat.
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Are you more likely to observe evolution between the s0 and s1 or the s0 and f1 population? explain your reasoning
Answers
Bettween the s0 and s1 or the s0 and f1 population, evolution will be observe most likely in the population with less gene flow and higher rate of mutation.
What is evolution?Evolution refers to a series if gradual and cumulative and transferrable changes which occur in organisms that resulted in the formation of new species from existing species.
Factors affecting evolution include;
gene flow,the rate of mutation andnatural selection.When there is less gene flow between populations as well as higher rate of mutation, evolution of species will be most like likely.
Therefore, between the s0 and s1 or the s0 and f1 population, evolution will be observe most likely in the population with less gene flow and higher rate if mutation.
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Flowers are a reproductive structure for some plants. The corpse flower blooms for a short period of time, and it smells like a mixture of rotten food, decaying organisms, and garbage. This repulsive scent attracts pollinating insects to the flower.
Do you think the corpse flower’s smell meets the definition of an adaptation as stated in the video? Explain your response.?
Answers
Answer:
Yes. Because the flower blooms for only a short time, it needs to attract pollinators quickly so that it can reproduce. If it didn’t have this adaptation, the plant might not be able to produce offspring.
Explanation:
Answer from plato
60 minutes remaining
Question 13 The most abundant photoreceptors that detect dim light are Cones.
A True
B False
Question 14 Muscular tissue that adjusts the shape of the pupil to regulate how much light enters the eye is IRIS.
A True
B False Question
15 Opsins are visual pigments derived from Vitamin D.
A True
B False
Answers
Answer:
Question 13:
B. False
The most abundant photoreceptors that detect dim light are Rods, not Cones. Rods are highly sensitive to low light conditions and are responsible for vision in dim light and peripheral vision. Cones, on the other hand, are responsible for color vision and high visual acuity but are less sensitive to low light conditions.
Question 14:
A. True
The iris is the muscular tissue in the eye that adjusts the size of the pupil, controlling the amount of light entering the eye. It contracts or expands to regulate the size of the pupil in response to changing light conditions.
Question 15:
B. False
Opsins are visual pigments found in photoreceptor cells, specifically in the retina of the eye. They are responsible for capturing light and initiating the process of vision. Opsins are not derived from Vitamin D. Vitamin D is a separate compound involved in various physiological processes in the body, including calcium absorption and bone health.
Explanation:
the production of egg and sperm cells is necessary for sexual reproduction because-
Answers
Sperm cells are produced in men's testicles and egg cells are produced in women's ovaries. Sex cells are different from other cells in one special way: Putting simply, they only have one half of the total amount of human genetic information
The egg and sperm cells are produced by Meiosis, which is a special type of cell division, where the cells only have half the number of chromosomes, one from each pair. When the process of Meiosis is complete, 4 cells are formed = eggs or sperm.
When there is the egg production so it increase the no of chromosomes where the gametes should combined.
What are chromosomes?
A chromosome refer to the long DNA molecule where it contain the genetic material with respect to the organism.
Mainly eukaryotic chromosomes involved the packaging proteins that we called as the histones that should be aided by the chaperone proteins.
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Describe a situation in which an area with a high diversity index is healthier than an area with a low diversity index.
(a) Describe how an organism reproduces by budding.
(b) State one advantage of this type of Reproduction.
Give an example of a generalist that lives in Canada. Explain why this species is able to have a broad niche.
Give an example of a behavioural adaptation and an example of a structural adaptation. How is each adaptation suited for a specific niche?
Answers
A situation in which an area with a high diversity index is healthier than an area with a low diversity index is an ecological niche filled with tall trees that has high richness in nutrients and also evenness in growth while another ecological niche filled with the same trees that has only few species that has low richness and and low evenness.
How does organism reproduces by budding?An asexual method of making new organisms is budding. A new organism is created in this procedure from a tiny fragment of the parent organism. A newly created bud separates to grow into a new organism. As it continues to develop, the freshly formed organism is still attached.
The benefits of sexual reproduction include the offspring's genetic diversity. The species has a survival advantage because of its ability to adapt to new surroundings. A illness has a lower likelihood of affecting the entire population.
The Canada lynx (Lynx canadensis), which feeds on snowshoe hare, is an illustration of a carnivorous specialist.
An organism has a wide niche if it has adapted to a wide variety of environmental conditions in order to survive. The creature can exist in a variety of diverse situations based on its extensive range of adaptations and survival abilities.
Examples of structural adaptations include an organism's physical traits, such the bill of a bird or the fur of a bear. The remainder consists of behavioral modifications. Behavioral adaptations are used by organisms to help them survive. Calls and migration are two examples of behavioral adaptations in birds.
Because natural selection is the process that leads to this, the adaptation is suitable for a certain niche. A species' nature gradually changes as a result of natural selection in order for it to fit into the niche. If a species becomes extraordinarily well adapted to its habitat and the environment does not change, it can survive for a very long time before going extinct.
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the ripened ovary of a flower, which is adapted to disperse seeds, is called a(n)…
Answers
Fruit. Several plant species rely heavily on their fruits for seed distribution. Dehiscent fruits, like poppy capsules, usually include seeds that are spread directly from the fruits, which may still be attached to the plant.
The fruit only serves to spread its seeds. Fruit seeds need to be spread far from the parent plant so they can grow in a favourable environment with fewer competitions.
While some fruits can disseminate on their own thanks to internal systems, others need the assistance of wind, water, and animals. The structure, chemistry, and size of the seed are altered to aid in dissemination. Fruit that is distributed by wind is light and may have wings. like the dandelion, which has hairy, light structures that are good for dissemination.
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