Answers
Integumentary system: Protects body, synthesizes vitamin D.
Cardiovascular system: Transports blood, nutrients, gases, and wastes.
What is system ?System is an organized set of components that together form a complex whole. It is a set of interacting or interdependent elements forming an integrated whole. It can refer to a variety of different things, from physical systems like machinery and technology, to abstract concepts such as organizations and business processes.
Lymphatic/immune system is Defends against infectious disease, collects excess interstitial fluid.Digestive system is Ingests foods.Respiratory system: Maintains breathing, exchanges gases at lungs and tissues.Urinary system is Excretes metabolic wastes.
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Related Questions
Cursed topography is found in very specific areas. A. What type of rock is usually present in the areas with a lot of caves? B. What reactions with water lead to the formation of these caves?
Answers
Answer:
Limestone are the most common carbonate Solution Weathering rocks that form solution caves.Solution Weathering Rainwater picks up carbon dioxide from the air, and it percolates through the soil.Explanation: Limestone is a sedimentary rock composed principally of calcium carbonate (calcite) or the double carbonate of calcium and magnesium (dolomite) Solution weathering is the process by which certain minerals are dissolved by acidic solutions. dissolution of limestone. Rainwater picks up carbon dioxide from the air and as it percolates through the soil,Answer:
A. Limestone (Found in Solution Caves)
B. Solution Weathering (Form of Chemical Weathering)
Explanation:
They were sculpted by solution weathering, which occurs when water seeps into fractures in the limestone and gradually enlarges them, during the creation of limestone caves. The majority of limestone caves in Britain originated in this way. As carbon dioxide from the atmosphere and the soil dissolves in rainwater, it turns acidic and can erode rock to create cave systems.
The breakdown of limestone results in the formation of caves. Rainfall absorbs carbon dioxide from the atmosphere, which weakens into an acid when it percolates into the soil. As a result, certain of the cracks, bedding planes, and joints in the limestone steadily grow to the point where they form caves.
Which of the following is an alternate term for the defense mechanism of displacement?
a. regression
b. sublimation
c. compensation
d. projection
Answers
Answer:
d. projection is an alternate term for the defense mechanism of displacement.
True or False: Infants learn so quickly that developmentalists now suggest that some basic understanding is programmed into the brain no experience necessary.
Answers
Answer: True
Explanation:
These skills do not come overnight.
Infants are capable of learning a great deal in a short amount of time, and research has shown that some basic understanding is programmed into the brain from birth, even without experience. This is known as innate knowledge or innate abilities, and it refers to the idea that certain skills or concepts are hardwired into the brain, allowing infants to quickly acquire knowledge and skills without explicit instruction or experience.
For example, research has shown that infants have an innate ability to recognize faces and distinguish between different facial expressions, even in the first few months of life. Similarly, infants have an innate ability to distinguish between different sounds and to learn the basic rules of language, such as grammar and syntax.
However, it is important to note that experience and environmental factors also play a crucial role in infant development, and that innate abilities are not sufficient on their own to fully explain the complexity of human learning and behavior.
if you consume more protein than your body needs, what happens to the excess?
Answers
The body can't store protein, so once needs are met, any extra is used for energy or stored as fat. Excess calories from any source will be stored as fat in the body.
Extra protein intake also can lead to elevated blood lipids and heart disease because many high-protein foods you eat are high in total and saturated fat. Extra protein intake, which can tax the kidneys, poses an additional risk to people predisposed to kidney disease.
Explain to the Econauts why the plants and animals in the biodome were not getting enough energy storage
molecules.
Answers
Answer:
There are different reasons for storing energy. The reason why the plants and animals in the biodome have enough energy storage molecules is because there was not enough carbon in abiotic matter.
Producers are known to create all of the energy storage molecules needed in an ecosystem via photosynthesis. In this process, carbon dioxide is used from abiotic matter.
Ecosystems is known to have different amounts of energy storage molecules. Note that When there is more carbon in abiotic matter, there will be more carbon is available to producers for creating energy storage molecules.
But when there is less carbon in abiotic matter, less carbon is is said to be available for producers creating energy storage molecules.
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Answer:
There are several justifications for energy storage. Because there wasn't enough carbon in abiotic matter, the plants and animals in the biodome have ample energy storage molecules.
All of the energy storage molecules required in an ecosystem are known to be produced by producers through photosynthesis. Abiotic matter is employed to produce carbon dioxide in this procedure.
Different ecosystems are known to include varying numbers of energy-storing molecules. Be aware that producers will have access to more carbon when there is more carbon in abiotic matter for the production of energy storage molecules.
Yet, less carbon is believed to be accessible for producers producing energy storage molecules when there is less carbon in abiotic matter.
Explanation:
Scientists are investigating which type of fertilizer is best. Which of the
following methods is most likely to produce a biased result?
A. Let the type of fertilizer be the only variable.
B. Hire a scientist that works for a fertilizer company.
OC. Use a team of scientists from different companies.
D. Set criteria for judging the effectiveness of the fertilizer.
Answers
Answer:
B. Hire a scientist that works for a fertilizer company.
Explanation:
True or False? Index fossils are very different from all the other fossils.
Answers
Answer: True
Explanation: Index fossils are fossils that are widespread but only existed for a short period. Index fossils help scientists to find the relative age of a rock layer and match it up with other rock layers. Living fossils are organisms that haven't changed much in millions of years and are still alive today.
1. Define sensation and perception in your own words. Provide 2 examples related to how sensation and perception help us better understand our surroundings.
2. Define sensory adaptation in your own words. Provide 3 examples.
3. Define top down and bottom up processing in your own words. why are these 2 types of processing important in how we perceive and learn about the world?
Answers
Answer:
1.
a physical feeling or perception resulting from something that happens to or comes into contact with the body.
"a burning sensation in the middle of the chest"
Explanation:
2.e.gSensation happens when you eat noodles or feel the wind on your face or hear a car horn honking in the distance.
noun
3.
the ability to see, hear, or become aware of something through the sense
4. Sensory adaptation refers to the way our senses adjust to different stimuli
5.When you go into a dark room or outside at night, your eyes eventually adjust to the darkness because your pupils enlarge to let in more light.
6. when the environment (stimuli) influence our zeea
thinking
7.if you see an image of an individual letter on your screen, your eyes transmit the information to your brain, and your brain puts all of this information together.24 Mar 2020
8.sensory analysis
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ANSWER SOON AND FOLLOW ME BACK YOUR FRIEND TO GOOD BYE
why do leaves, stem and root cells appear different in plants
Answers
Answer:
Each organ (roots, stems, and leaves) include 3 tissue types, ground, vascular, and dermal. Different cell types comprise each tissue type, and the structure of each cell type influences the function of the tissue it comprises.
Explanation:
In short I'd say the cells look different because they have different functions.
what is Kw?
what is the [H3)+] in pure water?
Answers
Answer:
In chemistry, Kw is called the dissociation constant or ionization constant of water.
The concentration of H3O+ ions in pure water at 25°C is 10^-7 M . This means that there are 10^-7 M of H3O+ ions in pure water.
Explanation:
Kw is the ion product constant for water, which is the product of the concentrations of hydrogen ions (H+) and hydroxide ions (OH-) in water at a given temperature. At 25°C, Kw has a value of 1.0 x 10^-14. This means that for any aqueous solution at 25°C, the product of the concentrations of H+ and OH- will always equal 1.0 x 10^-14.
In pure water at 25°C, the concentration of H+ ions (also called hydronium ions or H3O+) is equal to the concentration of OH- ions. This is because pure water is neutral, meaning that it has an equal number of positive and negative ions. Therefore, the concentration of H3O+ in pure water at 25°C is also 1.0 x 10^-7 M.
if a plastic container at 1.0C and 750 mmhm is heated in a microwave oven to 80C what is the pressure inside the container?
Answers
Explanation:
To calculate the pressure inside the container, we can use the ideal gas law, which relates the pressure (P), volume (V), temperature (T), and number of moles (n) of a gas:
PV = nRT
where R is the gas constant. Assuming the container is a sealed system with a fixed amount of gas, the number of moles and volume will remain constant, so we can rearrange the equation to solve for the final pressure (P2):
P2 = (nRT2) / V
where T2 is the final temperature in Kelvin. To convert Celsius to Kelvin, we simply add 273.15.
First, let's convert the initial temperature and pressure to SI units (Kelvin and Pascals):
T1 = 1.0C + 273.15 = 274.15 K
P1 = 750 mmHg * 133.322 Pa/mmHg = 99991.5 Pa
Next, we'll convert the final temperature to Kelvin:
T2 = 80C + 273.15 = 353.15 K
We also need to know the volume of the container. If we assume it is a rigid container (i.e. the volume does not change), then we can cancel it out in the equation. Otherwise, we would need to know how the volume changes with temperature and pressure.
Assuming the volume is constant, we can plug in the values and solve for P2:
P2 = (nRT2) / V
= (nR(T1 + T2)) / V (since n, R, and V are constant)
= (P1(T1 + T2)) / T1 (since PV = nRT)
Plugging in the values:
P2 = (99991.5 Pa * (274.15 K + 353.15 K)) / 274.15 K
= 1.234 x 10^5 Pa
Therefore, the pressure inside the container at 80C is approximately 123.4 kPa.
Which choice below correctly shows the base pairing rules in DNA? A. A - T G - C B. A - C T - G C. A - U G - C D. A - G C - T
Answers
Choice A. A - T G - C correctly shows the base pairing rules in DNA.
What are the base pairing rules in DNA?The base pairing rules in DNA makes reference to a series of rules for which Adenine is always paired with Thymine by two hydrogen bond, while Guanine always pairs with Cytosine by three hydrogen bonds.
Therefore, with this data, we can see that the base pairing rules in DNA is based on the matches between different nucleotides in DNA, which depends on the chemical interaction of their nitrogen bases.
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In the water cycle, energy from what causes water to evaporate from plants, oceans, and land?
Answers
Water in lakes, streams, and oceans evaporates due to solar heat. Water vapour forms in our atmosphere as liquid water on Earth's surface evaporates.
Other sources of atmospheric water include plants and trees. Transpiration describes this. All water moves about Earth in changing phases according to a cycle that is called the water cycle. Water exists on Earth in the solid, liquid, and gaseous forms of matter. Oceans, rivers, lakes, as well as the subsurface, all contain liquid water. Snow, glaciers, the North and South Poles, and solid ice can all be found. In the atmosphere of the Earth, there is a gas called water vapour. Given that water is essential for all life, we are interested in the water cycle.
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Q2. Mention all types of secretion of stomach؟
Answers
Answer: The stomach secretes water, electrolytes, hydrochloric acid, and glycoproteins, including mucin, intrinsic factor, and enzymes (Fig. 24.3). Gastric motility and secretion are regulated by neural and humoral mechanisms.
Explanation: The gastric mucosa secretes 1.2 to 1.5 liters of gastric juice per day. Gastric juice renders food particles soluble, initiates digestion (particularly of proteins), and converts the gastric contents to a semiliquid mass called chyme, thus preparing it for further digestion in the small intestine.
Which immune response component is tailored for each different type of antigen or pathogen?
a. lymph node
b. T-cell
c. B-cell
d. neutrophils
Answers
Answer: c. B-cell
Explanation: B lymphocytes, also called B cells, create a type of protein called an antibody. These antibodies bind to pathogens or to foreign substances, such as toxins, to neutralize them. For example, an antibody can bind to a virus, which prevents it from entering a normal cell and causing infection.
Is bile an enzymes? Explain. How is bile an important in digestion.
Answers
No, bile is not an enzyme. It is a digestive juice produced by the liver and stored in the gallbladder. Bile is essential for digestion as it helps to break down fats into smaller molecules, which can be absorbed and utilized by the body.
Bile contains bile salts, which act as emulsifiers and help to break down fat globules into smaller droplets. This increases the surface area of the fats, making it easier for digestive enzymes, such as lipase, to act on them. Bile also helps to neutralize the acidic chyme (partially digested food) that enters the small intestine from the stomach, creating a more favorable pH environment for the digestive enzymes to work.
Apart from aiding in digestion, bile also helps in the excretion of waste products, such as bilirubin, cholesterol, and other toxins, from the body. This makes it an important component of the body's natural detoxification system.
In summary, while bile is not an enzyme itself, it plays a crucial role in the digestion and absorption of fats, as well as the elimination of waste products from the body.
Answer:
No, bile is not an enzyme. It is a greenish-yellow fluid that is produced by the liver and stored in the gallbladder. Although it does not contain enzymes, it plays an important role in digestion.
Bile helps to emulsify fats in the small intestine, which means it breaks down large fat globules into smaller droplets. This increases the surface area of the fat, which allows pancreatic enzymes called lipases to break down the fat more efficiently. Without bile, digestion and absorption of fat would be less efficient.
In addition to aiding in fat digestion, bile also helps to neutralize stomach acid that enters the small intestine, which is important for protecting the lining of the small intestine from damage. It also helps to eliminate waste products and toxins from the body, including excess cholesterol and bilirubin, a waste product from the breakdown of red blood cells.
Overall, bile is an important component of the digestive system, even though it is not an enzyme. It aids in the digestion and absorption of fats and helps to eliminate waste products from the body.
Explanation:
An antibiotic is a type of medication that cures infectious diseases. Why does the word antibiotic suggest that these medications would be infectious against viruses?
Answers
Antibiotics have no effect on viral infections. This is due to the simplicity of viruses, which rely on their hosts' cells to carry out their functions. Antiviral medications therefore act differently from antibiotics since they interfere with the viral enzymes instead.
What is meant by viral enzymes?The viral enzyme known as integrase is responsible for integrating virally generated DNA into the nucleus of the host cell to create a provirus that may then be triggered to produce viral proteins. In the case of multidrug resistance, the first integrase inhibitor licensed, raltegravir, is a helpful adjunct to therapy.The viral protease (PR), which transforms the immature virion into a mature virus through the cleavage of precursor polypeptides, and the reverse transcriptase (RT), which converts the single-stranded genomic RNA, are two of the three enzymes that the retroviral RNA genome encodes. Although many of the enzymes and auxiliary proteins found in viruses are not present or accessible in the infected cell, viruses typically have an external coating.To learn more about viral enzymes, refer to:
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#1 Specify the forces involved in creating ocean tides.
#2 Two students are talking about what causes the tides.
Student A says that the tide comes in and goes out based on differences in the height of the sea level.
Student B says that the changing tides are caused by Earth rotating into and out of the tidal bulges.
Write and explanation of the tides by student A and Student B. Which explanation is more technically correct? Explain your reasoning.
Answers
High and low tides are primarily caused by the gravitational pull of the moon on the Earth and the rotating force of the Earth. The gravitational attraction of the sun and moon to the earth is what causes tides.
What is stronger, a force and gravitational pull?In mechanics, the force of attraction that acts on all matter is known as gravity, also known as gravitation. It has no impact on identifying the interior properties of common stuff because it is the weakest force known to exist in nature.
In basic terms, what is gravitational?Two masses are drawn toward one another by the gravitational force. No matter how absurd it may seem, every subatomic particle of energy in the cosmos attracts every other particle through gravity.
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What is the effect of molecule size on a molecules ability to diffuse across a semipermeable membrane
Answers
Answer:
The size of a molecule can significantly affect its ability to diffuse across a semipermeable membrane. Smaller molecules are generally able to diffuse more easily than larger molecules. This is because smaller molecules have less mass and can move more quickly, which allows them to pass through the tiny openings in the membrane more easily. In contrast, larger molecules are often too big to pass through the membrane and may require specialized transport mechanisms. Additionally, even if a larger molecule is able to pass through the membrane, it may do so more slowly due to its larger size and slower movement.
Explanation:
Describe the life cycle of our sun and its likely outcome when it eventually dies.
Answers
Let's get ready for a cosmic ride, then, shall we? Hence, the four main stages of the Sun's life cycle are Birth, Main Sequence, Red Giant, and Death. Starting from the beginning, our star was created from the combination of gas and dust clouds roughly 4.6 billion years ago. Today, Sun is happily burning away in its main sequence stage as we quickly advance to the future. However, nothing lasts forever, just like everything else in the universe. When the Sun eventually runs out of fuel, the Red Giant phase, during which it will dramatically expand and consume Mercury and Venus while making Earth toast (one-way ticket to Mars anyone? ). The Sun will eventually lose its outer layer to become a planetary nebula, leaving behind an incredibly dense core known as a white dwarf—pretty cool, huh?—in what would be a stunning sight (if we were still alive).
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3. Knowledge of the structure of Earth's interior allows scientists to develop the dynamo theory. A. What does the dynamo theory help explain? (2 points)
B. What is the composition of Earth's inner and outer core? (4 points)
C. How does the composition of the inner and outer core explain this theory? (2 points)
Answers
Answer:
A. The dynamo theory helps explain the generation of Earth's magnetic field.
B. The inner core of the Earth is believed to be primarily composed of solid iron, while the outer core is composed of liquid iron and nickel.
C. The composition of the inner and outer core is critical to the dynamo theory. The Earth's magnetic field is generated by the motion of molten iron in the outer core. As the molten iron moves, it creates electrical currents, which in turn generate a magnetic field. The solid iron in the inner core is believed to help stabilize the magnetic field by providing a fixed reference point for the motion of the molten iron in the outer core. Without this stable inner core, the magnetic field of the Earth would be much weaker and more variable over time.
Explanation:
Which property of enzymes is explained by the lock and key hypothesis?
Answers
The Field of Genetics Crossword puzzle.
need help with the anwers
Answers
The correct options for the crossword puzzle in genetics are:
Across:
4. dominanta blend or intermediate color (such as pink)incomplete dominancenucleuschromosomesrecessiveheterozygousDown:
codominancedihybridhomozygous recessivePunnettGregor MendelgenesheterozygousWhat is genetics?Genetics is the scientific study of genes, heredity, and genetic variation in living organisms. It involves the study of how traits are passed down from parents to offspring through the transmission of genes.
Genetics covers a wide range of topics, including the molecular structure and function of genes, the mechanisms of gene regulation and expression, genetic diseases and disorders, population genetics and evolution, and the genetic basis of complex traits such as behavior and intelligence.
The field of genetics is important in many areas of science, including medicine, agriculture, biotechnology, and forensics.
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True or False: Evolutionary theory, which looks at each step of the thinking process, helps researchers understand that every moment of experience aids cognition, enhanced by the innate programming of the infant mind.
Answers
Answer:
True
Explanation:
Evolutionary theory does not look at each step of the thinking process, but instead seeks to explain the origin and development of species over time through natural selection and other mechanisms. While evolutionary theory can shed light on the development of cognitive abilities and other traits, it does not provide a detailed understanding of each step of the thinking process.
Furthermore, the statement that "every moment of experience aids cognition, enhanced by the innate programming of the infant mind" is a broad generalization that does not fully capture the complexity of cognitive development. While experience and innate abilities both play important roles in cognitive development, the relationship between the two is complex and not fully understood.
Research has shown that both nature and nurture contribute to cognitive development, and that the brain is highly plastic and responsive to experience throughout the lifespan. Therefore, it is important to consider both innate abilities and environmental factors when studying cognitive development, rather than relying on simplistic generalizations.
Somebody pls help I need to pass
Answers
Answer:
1. Fertilization
2. meiosis
3. gamete
4. mitosis
A population of budgies has 74 individuals who are blue in color and
398 individuals who express the dominant green color. What is the dominant allele frequency for this population? How many individuals are homozygous dominant? how many individuals are hybrid?
Answers
The dominant allele frequency in this population is 0.843.
In this population of budgies, the dominant allele frequency is approximately 0.718, there are 243 individuals who are homozygous
StepsAssuming that the blue color in budgies is due to a recessive allele, and the green color is due to a dominant allele:
To find the dominant allele frequency, we can use the formula:
allele frequency = (number of copies of the dominant allele) / (total number of alleles)
In this case, the total number of alleles is:
total alleles = (number of blue individuals * 2) + (number of green individuals * 2)
= (74 * 2) + (398 * 2)
= 944
The number of copies of the dominant allele is:
copies of dominant allele = (number of green individuals * 2)
= (398 * 2)
= 796
Therefore, the dominant allele frequency is:
allele frequency = (copies of dominant allele) / (total alleles)
= 796 / 944
= 0.843
So the dominant allele frequency in this population is 0.843.
To find the number of individuals who are homozygous dominant, we can use the equation:
p^2 * total population = number of homozygous dominant individuals
p^2 * 472 = 0.718^2 * 472 ≈ 243 individuals
To find the number of individuals who are heterozygous (hybrid), we can use the equation:
2pq * total population = number of heterozygous individuals
2pq * 472 = 2 * 0.718 * 0.282 * 472 ≈ 201 individuals
Therefore, in this population of budgies, the dominant allele frequency is approximately 0.718, there are 243 individuals who are homozygous dominant, and there are 201 individuals who are heterozygous.
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The existence of extraterrestrial life may never be proven, but this idea will become more scientifically acceptable over time it-
A
alternative hypotheses are proposed and confirmed.
B hypotheses are made related to the ides.
C increasing scientific evidence supports the idea.
D
no one disputes this idea in a scientific forum.
Answers
The existence of extraterrestrial life may never be proven, but this idea will become more scientifically acceptable over time it- B hypotheses are made related to the ides
Why Does Extraterrestrial Life Not Always Appear Alien?"The fundamental line is that evolution is why creatures do what they do and are what they are," said Kershenbaum, a lecturer and director of studies in the natural sciences at the university's Girton College. He contends that evolution, like gravity, is a universal rule of nature, and that studies of plants and animals on Earth might thus tell us something important about prospective residents of places far beyond Earth.
We examine mechanisms when we research life on Earth as zoologists. We're investigating how life got to be the way it is.
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which renewable energy source causes greenhouse gasses deforestation and whose feul source cannot be grown year round?
A. geothermal
B. biomass
C. hydreoletric
D. wind
Answers
Answer:
B. biomass
Explanation:
which question about the whale sharks is nonscientific?
Answers
Answer:
Does a whale shark like having a large mouth?
Explanation:
Question 8 (1 point)
Sami is a hospitality designer creating a new look for a fine Italian restaurant's dining
room. He is using mostly synthetic fabrics for the remodel. Why is Sami MOST
LIKELY selecting synthetic fabrics for this project?
They are better for hot weather.
They require less washing.
They stain easily.
They are durable.
Answers
Answer:
Sami is MOST LIKELY selecting synthetic fabrics for this project because they are durable. Synthetic fabrics are made of man-made fibers such as polyester, nylon, and rayon, which are known for their strength, durability, and resistance to wear and tear. This makes them an ideal choice for high-traffic areas such as a restaurant dining room, where the fabrics may be exposed to spills and stains, frequent use, and regular cleaning.