While walking barefoot on the beach, joe stepped on a thorn that penetrated through the sole of his foot to the dermis. The thorn penetrates 5 layers of the epidermis.
The top layer of skin on your body is called the epidermis. It serves a variety of crucial roles, such as shielding your body from the elements, maintaining moisture levels in your skin, generating new skin cells, and determining the color of your skin. It's crucial to look after your skin.
The dermis helps in thermoregulation, sensibility, and support and protection of deeper layers of skin. The basic cells in the dermis are fibroblasts, but histiocytes, mast cells, and adipocytes are also crucial for preserving the dermis' typical form and function. The skin is made up of three tissue layers: the epidermis, and the outermost layer. The middle layer is the dermis. The bottom, or fatty layer, is the hypodermis.
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The diagram below shows parts of a plant cell.
Which organelle stores the information that determines an individual plant's leaf shape?
Organelle Function
Cell Membrane A double layer that supports and protects the cell. Allows materials in and out.
Lysosome Contains digestive enzymes that destroy damaged organelles and invaders.
Cytoplasm Jelly-like fluid that surrounds and protects the organelles.
Nucleus The control center of the cell. Contains the DNA
Nuclear Membrane Surrounds the nucleus.
Nucleolus A round structure in the nucleus that makes ribosomes.
Vacuole Stores food and water.
Golgi Body Processes and packages materials for the cell.
Mitochondria The “Powerhouse”. Breaks down food to produce energy in the form of ATP.
Rough E.R. Builds and transports substances through the cell. Has ribosomes on it.
Smooth E.R. Builds and transports substances through the cell. Does not have ribosomes.
Ribosome Helps make protein for the cell.
Cell Wall Gives shape and protection to plant cells.
Chloroplast Changes sunlight into sugar for plant cells. Contains a green pigment called chlorophyll.
organelle 1 is large vacuole, 2nd organelle is mitochondria, organelle 3 is nucleus and organelle 4 is cell wall.
What are the function of plant cell organelle ?Cell Membrane is a double layer made up of lipid and protein, small amount of carbohydrate which supports and protects the cell allow the substances enter and exit the cell.
Lysosome have some digestive enzymes which destroy damaged organelles and invaders, cytoplasm of the cell which is a jelly-like fluid that surrounds and protects all the cell organelles.
Nucleus is present at the Centre of the cell carry the genetic material in the DNA, Nuclear Membrane is the outer covering which Surrounds the nucleus, Nucleolus which is a round structure makes ribosomes, Vacuole Stores food and water.
Golgi Body of the cell can Process and packages materials for the cell whereas Mitochondria is the “Powerhouse” of the cell that involve in Breaks down food to produce energy in the form of ATP.
Rough E.R. makes and transports substances through the cell and Smooth E.R. does not have ribosomes; Ribosome make protein for the cell.
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The entire structure above is a 
How do these two examples contribute to the protection of endangered species?
Wildlife and forensic genetics contribute to the protection of endangered species by ensuring that plants and animals aren't caught and transported illegally and the fingerprinting ensures the organisms are adequately monitored.
What is Endangered species?This refers to the type of organism which has a high risk or chance of becoming extinct in the nearest future as a result of some factors such as over exploitation, habitat destruction etc.
The use of wildlife and forensic genetics ensure that the DNA is gotten from organisms and several investigations and amplifications are done so as to get their origin and the areas in which they are natives of.
This act helps to control the illegal movement of some species to other parts for various purposes such as finances, aesthetics etc. This could lead to over exploitation and endangering of the species which helps to curb it.
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The question link is Read this article, and then briefly describe two specific examples of the use of DNA fingerprinting in wildlife conservation. How do these two examples contribute to the protection of endangered species? https://news.arizona.edu/story/saving-wildlife-with-forensic-genetics
Why does active transport require energy ?
Active transport requires energy to move materials against a concentration gradient.
The molecule has to go against the concentration gradient. Hence it requires energy.
Active transport requires the use of the cell's energy, usually in the form of adenosine triphosphate (ATP). If a substance moves into the cell against the concentration gradient, that is, if the concentration of the substance inside the cell must be greater than its concentration in the extracellular fluid, the cell must use energy to move the substance.
Some active transport mechanisms move small-moleculae-weight material, such as ions, through the membrane.
To move substances against a concentration or an electrochemical gradient, the cell must use energy.
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13. Freud believed that selfish needs reside in which level of consciousness?
A. Conscious level
B. Animus
C. Eros
D. Unconscious level
Freud believed that selfish needs reside in option D. Unconscious level.
What three levels of consciousness did Freud propose?Famous psychologist Sigmund Freud argued that competing psychological forces that operate at the:
The preconsciousThe consciousThe unconsciousThey are all the levels of consciousness that are constantly and uniquely interact to produce behavior and personality.
The characteristics of the Unconscious level are:
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Answer: unconscious level
Explanation:
13. Which organelle contains genetic information and controls most cell activities?
a. Nucleus
b.) Cell membrane
C. Vacuole
d. Endoplasmic reticulum
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Answer:a)Nucleus
Explanation: Nucleus of the cell contain chromosomes which have the genetic information and is responsible for most of the cell activities. The nucleus performs cell division which requires replication of the genetic material present in the chromosomes of the nucleus.
do elements form chemical compounds to become more or less stable
Injecting a potassium solution into a person’s blood is lethal. This is how capital punishment and euthanasia subjects die. Why do you think a potassium solution injection is lethal?.
Answer:
Can stop heart due to irregular heartbeat
Explanation:
Potassium will increase the blood and cardiac concentration of potassium to stop the heart via abnormal herats the leading to cardiac arrest.
Describe the three key steps of DNA replicationin your own words.Include whatoccurs, where in the cell it occurs and any enzymes that are involved for each step.
Explanation:
DNA replication starts in nucleus during the interphase portion in the cell.
The helicase first unzips the DNA strands into single strand.
Then, the Primase will tell then tell the DNA Polymerase to build the strands for the new strands of DNA.
Finally, the Ligase glues the two strand back together.
Which is an effect of a compromised immune system?
The decreased antibody production is an effect of a compromised immune system, which may be harmful to the organism when it is invaded by pathogens.
What is a compromised immune system?A compromised immune system is when the organism is unable to fight against pathogens and harmful particles that enter into the body and may cause infection and or immune reactions. It has been proposed that one organism has a compromised immune system when it is infected several times each year.
Therefore, we can conclude that a compromised immune system is a weak immune system that is unable to face infections because it can not produce antibodies that recognize antigens in order to destroy them during normal immune responses.
Complete question:
Which is an effect of a compromised immune system?
A. decreased antibody production
B.improved ability to fight disease
C.increased lymphocyte production
D.reduction in pathogens entering the body
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Think of something on planet earth that could be mistaken for a living organism. Explain how the 7 characteristics of life can prove that it is not living.
A car could be mistaken for a living organism but since it cannot on its move, respire, take in nutrients, respond to stimuli, grow, excrete, or reproduce, it is not a living thing.
What are living things?
Living things are those things that have life in them.
For anything to have life in it, it must possess the seven characteristics of life.
The seven characteristics of life are as follows:
movement - ability to move on its own, either parts or all of its body.respiration - ability to break down food to release energyNutrition - ability to take in food from the environmentIrritability - the ability to respond to changesgrowth - ability to increase in size and weightexcretion - ability to remove waste products of metabolismreproduction - ability to produce new ones of the same kind.Learn more about living things at: https://brainly.com/question/280237
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Describe and compare the sources of Earth's External Energy. (earth and space science)
The sun is Earth's primary source of external energy. It perfectly heats our planet to the point where life can flourish.
Sunlight is a clean, renewable source of energy. It is a sustainable resource, meaning it doesn't run out, and can be maintained because the sun shines almost every day.
In one second the sun converts 4 million tons of mass into energy in the form of heat and electromagnetic radiation.
The solar constant is how much sunlight power reaches the earth. On average, this value is roughly 1400 watts-per-square-meter. In terms of energy, this equates to about 1.8 × 10¹⁷ joules/second.
Out of the average, total amout of mass the sun converts to energy, the earth captures only 6.25 × 10-⁸%. This is an extremely small percentage , but if it all could be harnessed to use for our electricity needs, we would have more than enough.
Solar energy is perennial and non-polluting.
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how do plants try to reduce water loss at night- include word stomata
Explanation:
Stomata open during the day in most of the plants so automatically, respiration will slow down during the night.
which ONE OF YALL GOOD AT BIO PLS HELP
Answer:
The net effect of these steps is to convert light energy into chemical energy in the form of ATP and NADPH. The ATP and NADPH from the light-dependent reactions are used to make sugars in the next stage of photosynthesis, the Calvin cycle. The Calvin cycle is the cycle of chemical reactions where the carbon from the carbon cycle is fixed into sugars
Integral proteins are also called _______ proteins
Answer:
Transmembrane proteins!!!
Explanation:
when na⁺ diffuses into the cell, the cell becomes more depolarized. na diffusing into the cell causes more na gates to open, which is a positive feedback loop.
The cell becomes more depolarized when Na+ diffuses into the cell, this a positive feedback loop.
The membrane potential depolarizes when it gets less negative (more positive). Depolarization may result from the opening of channels that allow positive ions to enter the cell. An illustration would be the opening of Na+ entry channels in cells. Potential for action A sufficiently substantial depolarization event, possibly brought on by several concurrent depolarizing inputs, can result in the generation of an action potential. In contrast to a graded potential, an action potential is an all-or-nothing event: whether it happens or not, it will always be the same magnitude. When a depolarization causes the membrane voltage to rise beyond a threshold level, an action potential is initiated. The voltage-gated Na+ channels in the membrane open at this threshold, allowing a flood of sodium ions to enter the cell. The quick increase in membrane potential caused by the influx of sodium ions triggers a positive feedback cycle that is powered by the voltage-dependent activation of the Na+ conductance.
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explain three others disadvantage of commercial agriculture
Answer:
The disadvantages of commercial agriculture are that it is more damaging to the environment since it uses more chemicals than subsistence agriculture.
Explanation:
Mutations are alterations to a dna sequence. they can cause diseases and conditions, but they are also tools in evolution because they provide new variations in the genetic pool. list and briefly describe the two processes that lead to variation in offspring with the same parents that are not a result of mistakes in the dna.
The two processes that lead to variation in offspring with the same parents that are not a result of mistakes in the dna are:
i) crossing over ii) random fertilization
The exchange of genetic material between non-sister chromatids of homologous chromosomes, or crossing-over, takes place during prophase I. Remember that homologous chromosomes align in pairs, gene for gene down their whole length, generating a configuration with four chromatids known as a tetrad during prophase I. The chromatids are now very close to one another, and some material from two chromatids switches chromosomes, or breaks off and reattaches to the homologous chromosome at the same location. Within the same pair of homologous chromosomes, this genetic material exchange can take place numerous times, resulting in different gene combinations. The term "recombination" also applies to this procedure.
Genetic diversity is endlessly possible as a result of sexual reproduction. In other words, sexual reproduction produces genetically distinct offspring. Two gametes combine during sexual reproduction to create an offspring. But out of the millions of potential gametes, which two will it be? This is probably just a matter of luck. It is without a doubt another source of genetic diversity in progeny. This practice is called random fertilization. produces genetic variation with endless potential. In other words, sexual reproduction produces genetically distinct offspring. They are different from one another as well as from their parents. There are several reasons why this happens.
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how can world view affect scientists
World view affects scientists affecting the way they think which creates a bias concerning different types of topics.
What is Research?This is defined as the careful manner in which certain topics are investigated so as to gain more knowledge and then reach a new conclusion through the use of scientific methods.
Examples of the scientific methods include experimentation, observation etc and is used by scientists which are influenced by world view sometimes. This is because of the different cultures and reasoning of individuals in which they believe in.
World view therefore affect scientists by creating a bias when the research is done as a result of the various types of methods and techniques used which may have certain effects on a cultural belief thereby making it the correct choice.
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which reproductive strategy is described below?
This type of reproductive strategy involves large specialist with few offspring and a large amount of parental care. These organisms are also more likely to become endangered.
K-selected
r-selected
K-selected type of reproductive strategy involves large specialist with few offspring and a large amount of parental care. These organisms are also more likely to become endangered.
K-selected Species- Population fluctuations for K-selected species are often close to a carrying capacity of a habitat. These animals are distinguished by producing few young while providing extensive parental care. Bison, elephants, and people all are k-selected species.
Endangered Species- Animals that are in risk of going extinct because their numbers are declining are referred to as endangered species. Examples include the Indian elephant, Blue whale, Flying squirrel, Red sandalwood, Nannari, Pitcher plant, and Bengal tiger.
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What type of consumer do you think this coyote is ? Can you tell from this photo that the coyote is not an omnivore
The coyote can be categorized as a tertiary consumers, the photo does not indicate that this animal is an omnivore.
What are consumers in an ecosystem?The consumers in the trophic chain are animals that cannot produce their own food and therefore they need to eat other organisms to survive. Coyotes are tertiary consumers because they eat other animals located at the third level, instead of plants as occurs with herbivores (the first level of consumers in the trophic chain).
Moreover, omnivores are animals that eat both plants and animals, but coyotes do not eat plants.
Therefore, we can conclude that coyotes are classified as tertiary consumers in the trophic chain and they are not omnivores because do not consume plants but only other animals that are present in the trophic chain.
The question is incomplete, below you will find the photo of this question.
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What negatively affects both wolves and moose on isle royale
Answer:
Warming air temperatures
Explanation:
Hope this helps.
In an experiment, two flasks of unknown, clear liquids are combined in a beaker and the following observations are made:
Solution color remains clear
The solution gave off a smell of sulfur.
Solution temperature changed from 10oC to 20oC.
Some of the liquid remained in the flasks.
Which of these statements indicate a new substance was formed? (HINT: there is more than one correct answer; select all correct answers)
4. Use what you know about genetic diversity and species diversity to decide which
is the analysis of a single species and which is the analysis of more than one
species. Explain.
Genetic diversity is the analysis of variations in a single species and Species diversity is all the differences between different populations of species which means it is valid for more than one species.
What is Genetic diversity?The entire number of genetic features that make up a species' genetic makeup is referred to as genetic diversity. It can be related to a species' longevity and varies widely based on the number of species present as well as across species.
What is Specifies diversity?Species diversity is the range of species found in a certain community. In order to achieve the same mean proportional species abundance as that seen in the relevant dataset, a certain number of equally abundant species must exist.
Difference between Genetic and Species diversityGenetic diversity and species diversity are fundamentally different from one another because genetic diversity refers to DNA variations among members of the same species, whereas species diversity refers to the number of species in a region. Ecological diversity is the range of ecosystems present in a region.
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The time lapse image below shows the path of the moon throughout one night. What is this event called? Drag and drop the best answer
into the white box.
DRAG & DROP THE ANSWER
moon cycle
solar eclipse
moon phase
lunar eclipses
Answer:
lunar eclipse
Explanation:
Lunar eclipses happen when Earth positions itself between the sun and the moon, casting a shadow across the lunar surface.
what are the answers to these pleaseeee help
Answer:
1. Energy cannot be CREATED or DESTROYED
2. Energy can be CONVERTED into different types of energy (mechanical, chemical, etc.)
Producers make their own food or own energy
A food chain shows energy transfer between organisms
Amount of energy DECREASES as you move up the pyramid
Only 10% of the energy is passed
Explanation:
i'm in bio and this i was just learning
when we say that a human is a dead end host for a parasite, we mean group of answer choices humans lack the correct anatomical structures for the parasite to exit the body. that the human isn't capable of being infected by the parasite. the human will die from the parasitic infection before being able to transmit it to another organism. the infected human is highly unlikely to transmit the infection to another organism.'
When we say that a human is a dead end host for a parasite, we mean (4) the infected human is highly unlikely to transmit the infection to another organism.
Parasite are the organisms that live inside the body (endoparasite) or on the surface of the body (ectoparasite) of a living organism called the host. These organisms extract their nutrition from the host and also in return cause harm to them.
Infection is condition where foreign invaders or pathogens enter the body of an organism and cause some illness or tissue damage. The general symptoms of infection are: redness, itching, fevers, sneezing, coughing, etc.
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Air enters the nasal cavity. It goes into the pharynx and moves into the trachea. Air enters the right and left bronchus, where it is then delivered to the lungs. After air enters the alveoli, oxygen moves through the wall of the alveoli and into the blood. Then, carbon dioxide and water pass from the blood out into the air through the alveoli, also.
What process is being described?
Circulation
Excretion
Immune response
Respiration
The process describes in the question about the passage of air from nasal cavity to the alveoli is: respiration.
Alveoli is also called the air sac. It is a very minute structure present in various numbers all around the lungs. The purpose of alveoli is to increase the surface area of the lungs so that more and more air can be respired through the lungs. The cell wall of alveoli is very thin in order to mediate the exchange of gases.
Respiration is the process of gaseous exchange in the body of all living organisms. Several organisms have different kind of organs for respiration. The different organs are: lungs, gills, skin, etc.
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Choose two options.
In an atomic power plant, where does the generator get its energy to operate?
1. directly from the reactor
2. from mechanical energy
3. from the steam turbine
4. from the electric power lines
5. from solar power
The generator get its energy from the steam turbine for the atomic power plant to operate.
What is atomic power plant and where does it get its energy from?Atomic power plant is a power plant which provides power supply and uses a lot of assets and chemical substances for operation.Atomic power plant uses the water core at the bottom level of the plant which is heated during the process.In the atomic power plant occurs a lot of nuclear fission which releases a lot of heat and then pumped into tubes insid a heat exchanger.The objective of atomic plants used to be to produce atomic energy from such large mass.And converting the atomic energy into usable power for the use.To know more about atomic power plant visit:
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using 250 words discuss how individual’s health behaviors are impacting our society, and Give your solutions on how we can or should address this obesity issue in our nation.
this is supposed to be about obesity and being overweight
Individuals’ health behaviors greatly impact our society because good health behaviors lead to less number of diseases and deaths in society.
How does individual behavior impact health?Behavior modification can contribute to self-control, and enhance health behaviors. Risky behaviors can be eliminated due to physical exercise, controlling weight, good nutrition, or accident prevention. Health behaviors are the actions that affected the health of an individual. They can lead to improved overall health i.e. eating well and have to physically active, and also performing actions that increase the risk of disease including smoking, alcohol intake, and sexual behavior. Positive healthy behaviors can also reduce the risk of losing mobility and independence in life. It also shows that lifestyle behavior is different in different ages which affected the overall health of an individual as well as decreases the life of an individual.
So we can conclude that individual health behaviors greatly affected our society by reducing death rates and health issues.
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