To compare how different types of soil absorbed water, Christian set up an
experiment. He poked equal numbers and sizes of holes into the bottoms of three
plastic cups. He filled one cup with sand, one with potting soil, and left one empty. He
placed each cup in a stand over a beaker. Christian poured 400 mL (milliliters) of water
into each of the cups. He then measured the amount of water collected in the beakers
beneath each cup at 1 minute intervals for 3 minutes.
What is the control in this experiment?
the amount of water collagted in the boaker
collastad
the cup with the sand
the empty cup
Rt the cup with the soil
Answers
Answer:
the empty cup
Explanation:
because just trust me
Related Questions
What materials move in and out of a cell?
Answers
water, carbon dioxide, and oxogyn. but those are molecules. they cross the cell by diffusion ( diffusion is movement of molecules or particles from higher to lower center of the body.
how the plantlets are produced?
Answers
You and a friend were talking about the role of genes and the environment and your friend said, "DNA is destiny. The environment doesn't influence who someone becomes at all, it is all determined by genes." What can you tell your friend about the interaction of genes and environment? Include two examples discussed in class or the textbook to support your point.
Answers
Genes and the environment both contribute to a person's characteristics. A person's characteristics are not solely determined by genes but the environment also has an impact on who someone becomes. Two examples discussed in class or the textbook that support this point are intelligence and obesity.
The development of intelligence is influenced by both genes and the environment. Studies have shown that the genetic influence on intelligence increases with age. However, the environment is also crucial in developing intelligence. Studies have also shown that children who are raised in a stimulating environment, which includes exposure to language, reading, and other educational materials, have higher intelligence scores than children who are raised in a less stimulating environment.
Obesity is another example of how genes and the environment interact. Some people are more likely to become obese due to their genes. However, the environment also plays a significant role in determining whether someone becomes obese. For example, if someone with a genetic predisposition to obesity lives in an environment with limited access to healthy food and opportunities for physical activity, they are more likely to become obese than someone with the same genetic predisposition who lives in an environment that promotes healthy eating and physical activity.
In conclusion, the interaction of genes and the environment is an essential aspect of understanding human characteristics. DNA is not destiny, and the environment plays a significant role in shaping who someone becomes.
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what is the essential difference between osmosis and facilitated diffusion? what is the essential similarity?
Answers
Moving water molecules over a semi-permeable membrane is the process of osmosis. For the osmosis process to work, water is necessary. Diffusion does not need the transfer of water molecules.
Osmosis is the naturally occurring net movement or diffusion of solvent molecules across a selectively permeable membrane from a region of high water potential (region of lower solute concentration) to a region of low water potential (region of higher solute concentration), in a manner that tends to balance the solute concentrations on the two sides.
Molecules travel passively along the concentration gradient through a process known as facilitated diffusion. The membrane only permits certain molecules and ions to pass across it, making it a selective process. But it blocks other molecules from getting past the barrier.
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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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Genetic diversity is due to ______________ reproduction.
budding
asexual
binary fission
sexual
Answers
Answer:
sexual
Explanation:
when produced sexually, the offspring takes one gamete from each parent. this means the offspring will always be diverse. if it were asexual, the offspring would be the exact same as the parent.
Explain to Jean what the possible causes of her poor self concept are
Answers
Ongoing stressful life situation, such as a failed relationship or money problems. Bad treatment, such as being in an abusive relationship, from a partner, parent, or caregiver.
What is a low sense of oneself?When someone lacks confidence in both their abilities and themselves, they have low self-esteem. They frequently feel inadequate, unwanted, or incompetent. Individuals with low self-esteem frequently worry about making errors or disappointing other people.
Which four variables affect one's self-concept?Age, sexual orientation, gender, and religion are just a few of the variables that might have an impact on one's self-concept. Moreover, a mix of self-esteem and self-image make up the self-concept.
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How did the Tang and Song dynasties differ from the later Ming dynasty?
They followed isolationist policies.
They forbade Buddhist philosophies.
They promoted Confucian practices.
They welcomed and expanded trade.
Answers
The Tang and Song dynasties differ from the later Ming dynasty in that the latter welcomed and expanded trade.
What are the dynasties of China?China was part of the earliest civilization that had already risen in the early centuries BC. There were several dynasties that ruled China and each was controlled by a powerful emperor who had the army in complete obedience.
The Tang dynasty ruled China after the fall of the Sui Dynasty (581-618 CE). It was a time of prosperity in China. The Tang and Song dynasties were supportive of trade however, they were also conservative and did not like the excessive influence of foreign ideology into China.
After the demise of the Tang and Song dynasties, the Ming dynasty came into power and supported, expanded and encouraged trade with foreign nations.
Hence the Tang and Song dynasties differ from the later Ming dynasty in that the latter welcomed and expanded trade.
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Answer:
They welcomed and expanded trade.
PLEASE HELP ASAP!!!!!!!!!!!!!!!!!!! Will mark brainliest!!!!!!!!!!!!!! HELP ASAP!!!!!!!
According to the cladogram which of the following is the derived characteristic shared by amphibians and reptiles
1) bony skeleton
2) lungs
Answers
Answer: 2) lungs
Explanation:
An enzyme complex containing ______ is necessary for transporting FFA into the mitochondria. Once in the mitochondria, the FFA can be metabolized to acetyl CoA through a process known as beta-oxidation.
Answers
An enzyme complex containing carnitine is necessary for transporting FFA into the mitochondria. Once in the mitochondria, the FFA can be metabolized to acetyl CoA.
What is carnitine?Carnitine is a chemical messenger used by the body during fatty acid oxidation or FFA (i.e., during the burning of fats).
This chemical messenger (carnitine) is produced by different organs including the liver, brain, and kidney.
The major role of carnitine is to transfer long-chain fatty acids to the mitochondria for their oxidation.
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The molecules shown in this image are able to cross the cell membrane
through facilitated diffusion. How will they be transported?
A. The molecules will move through channels in the membrane hy
proteins from inside the cell to outside the cell.
B. The molecules will move directly across the membrane from
inside the cell to outside the cell.
C. The molecules will move through channels in the membrane proteins from outside the cell to inside the cell.
D. The molecules will move directly across the membrane from the outside the cell to inside the cell.
Answers
Answer:
The molecules will move directly across the membrane from
inside the cell to outside the cell.
Explanation:
Ape-x
Facilitated diffusion is the type of transportation that moves the ions and the molecules. The molecules are transported directly through the membrane from inside to outside. Thus, option B is correct.
What is facilitated diffusion?Facilitated diffusion is the transportation of the molecules and ions across the cell membrane along the concentration gradient. It is a passive transport that involves the movement down the gradient.
The molecules are transported by the membrane proteins that facilitate their movement from inside of the cell towards the outer space of the cell. Unlike simple diffusion, facilitated diffusion uses energy in the form of ATP.
Therefore, the molecules present inside the cells will move directly towards the outside of the cell.
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Which element is found in nucleic acids but not in amino acids?
O carbon
O hydrogen
O nitrogen
O phosphorus
Answers
Answer:
phosphorus
Explanation:
An amino acid includes simple organic compound, which consists of an amino (-NH₂) group and a carboxylic group ( - COOH). Thus, phosphorous is the element that is found in nucleic acids but not in the proteins.
Answer:
phosphorus
Explanation:
At the end of Chapter 5, Berck and Helfand find compensating variation (CV) and equivalent variation (EV) for wolves in Yellowstone Park - a publicly provided good. Assume wolves are a good to the individual whose preferences we are modeling, i.e., the individual wants more wolves in the wild, all else equal. Suppose there exists 5 wolves in Yellowstone Park, and the average individual has income of \$y. The individual's consumption bundle is A, and the initial indifference curve is I0. Suppose an environmental group provides funds for habitat, and it's expected this habitat will result in 5 more wolves in Yellowstone. Assume the individual's income stays the same. The new consumption bundle is B, and the new indifference curve is I'. Complete the following tasks all on one graph. A. Using our properties of indifference curves (i.e., make them crescent shaped), plot the initial bundle (A) and label with appropriate income and wolf count. Draw the initial indifference curve (I
0
). Be sure to label the graph completely. (Hint: Easiest to place a composite good on the vertical axis, wolf count on the horizontal axis) ( 2 pts) B. Draw the new indifference curve and identify the new consumption bundle (B) while labeling with the appropriate wolf count. ( 2 pts) C. Identify the theoretical consumption bundle (call it C ), that uses the original wolf count but lies on the new indifference curve I'. (2 pts) D. Label the area on the on the vertical axis that corresponds to the EV and CV of these changes. Then in the margins, define CV and EV as it relates to this specific problem
Answers
The initial bundle (A) is represented by the consumption combination (A, I0) with an income of y. Consumer surplus and compensating variation are both concepts in microeconomics that relate to the study of consumer behavior.
The initial indifference curve (I0) is a curved line that slopes upward to the right, indicating that as the individual consumes more of the good, their preference for that good increases, but their preference for the other good remains constant.
The new indifference curve (I') is a curved line that slopes upward to the right, indicating that as the individual consumes more of the good, their preference for that good increases, but their preference for the other good remains constant.
The new indifference curve (I') is plotted on the any type of graph as a curved line starting from the origin, with the vertical axis representing wolf count and the horizontal axis representing income.
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Correct Question:
At the end of Chapter 5, Berck and Helfand find compensating variation (CV) and equivalent variation (EV) for wolves in Yellowstone Park - a publicly provided good. Assume wolves are a good to the individual whose preferences we are modeling, i.e., the individual wants more wolves in the wild, all else equal. Suppose there exists 5 wolves in Yellowstone Park, and the average individual has income of y. The individual's consumption bundle is A, and the initial indifference curve is I0. What is the difference between consumer surplus and compensating variation?
in some genetic conditions, a change in the dna is thought to cause the condition. how could this occur and why?
Answers
A change or mutation in the DNA sequence can cause genetic conditions. This occurs due to various reasons including spontaneous mutations, environmental factors, and inherited mutations.
The impact of a DNA mutation on a person's health depends on several factors, including the type and location of the mutation, as well as the genes involved. Some of the common mechanisms that cause DNA mutations include:
Spontaneous mutations: These occur randomly and can result from errors that occur during DNA replication. DNA polymerases, the enzymes responsible for copying DNA, can occasionally make mistakes, leading to errors in the genetic code.Environmental factors: Certain environmental agents, such as UV radiation, chemicals, and viruses, can cause DNA damage that leads to mutations.Inherited mutations: Some mutations are passed down from one generation to the next. These mutations can arise from errors during meiosis, the process of cell division that leads to the formation of gametes, or from mutations in the sperm or egg cells of the parentsLearn more about mutation here:
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In a cross between two individuals that are heterozygous for tongue rolling, what is the phenotypic ratio?
Answers
Answer:
The phenotypic ratio of a cross between two heterozygotes is 9:3:3:1
Explanation:
where 9/16 of the individuals possess the dominant phenotype for both traits, 3/16 of the individuals possess the dominant phenotype for one trait, 3/16 of the individuals possess the dominant phenotype for the other trait, and 1/16 are recessive for for both traits.
Mecanismo de defensa de algunos animales que consiste en un aislamiento en cuevas o madrigueras durante los periodos desfavorables del año a Madriguera es verdadero o falso
Answers
Answer:
Responder:
CIERTO.
Explicación:
Este es un ejemplo de adaptaciones conductuales conocidas como adaptaciones anti-depredadoras. Esto es principalmente importante en áreas donde hay poca vegetación. Los búhos de madriguera, las tortugas que viven en los desiertos y las suricatas son ejemplos. Estos animales se encuentran en regiones de baja vegetación. Por lo tanto, no están protegidos de los depredadores. Por lo tanto, cavan profundo bajo tierra para escapar del depredador.
Además, debido a que estas regiones son principalmente áridas, los animales necesitan escapar de la alta temperatura y, por lo tanto, conservar el agua.
Which of the following is responsible for the cohesive property of water?
Hydrogen bonds between water molecules and other types of molecules
Hydrogen bonds between the oxygen atom of one water molecule and the hydrogen atoms of another water molecule
Hydrogen bonds between two oxygen atoms of adjacent water molecules
Covalent bonds between the hydrogen atoms of one water and the oxygen atoms of another water molecule.
Answers
Answer:
Cohesion: Hydrogen Bonds Make Water Sticky
Hydrogen bonds are attractions of electrostatic force caused by the difference in charge between slightly positive hydrogen ions and other, slightly negative ions.
3. When lactose is digested properly,
what happens to the simple sugars
produced?
Answers
Answer: The simple sugars are absorbed into the bloodstream and then are made into energy.
Explanation: A enzyme called lactase breaks down lactose into two different sugars that are simple forms. These sugars glucose and galactose get abosrbed to your blood stream.
The guidelines for Carbohydrate Counting as medical nutrition therapy for diabetes mellitus includes all of the following EXCEPT:
a. Flexibility in types and amounts of foods consumed
b. Unlimited intake of total fat, saturated fat and cholesterol
c. Including adequate servings of fruits, vegetables and the dairy group
d. Applicable to with either Type 1 or Type 2 diabetes mellitus
Answers
The guidelines for Carbohydrate Counting as medical nutrition therapy for diabetes mellitus includes all of the following except b. Unlimited intake of total fat, saturated fat and cholesterol.
It emphasizes flexibility in types and amounts of foods consumed, including adequate servings of fruits, vegetables and the dairy group. It is applicable to individuals with either Type 1 or Type 2 diabetes mellitus. Carbohydrates counting is an important tool in managing blood glucose levels in individuals with diabetes mellitus, as carbohydrates directly impact blood sugar levels.Additionally, this type of nutrition therapy also emphasizes flexibility in types and amounts of foods consumed, including adequate servings of fruits, vegetables and the dairy group. However, it does not allow for unlimited intake of total fat, saturated fat, and cholesterol.
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what is the relationship between the global conveyor belt and the gulf stream
Answers
It is the most well-known current on Earth and moves more water than the Amazon River. The worldwide ocean conveyor, a system of currents that links the world's oceans, includes the Gulf Stream as just one component. The Gulf Stream and other warm surface currents are driven by wind and tide in tropical waters.
Is the Gulf Stream a component of the global supply chain?A phenomenon known as the "thermohaline circulation" or "Atlantic Meridional Overturning Circulation" includes the Gulf Stream, albeit in a minor capacity. This is a huge ocean conveyor belt that runs over the entire planet and is propelled by variations in water density and salt content.
What is another name for the world conveyor belt?These deep, underwater currents are propelled by a process known as thermohaline circulation, also known as the ocean conveyor belt. Circulation of thermohaline. A large movement of water that travels from the northern oceans to the southern oceans and back again is called the thermohaline circulation.
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both ways of inducing active immunity (vaccines and direct environmental exposure to an antigen) will ultimately result in the production of antibodies. which class of the five classes of antibodies is the first to be secreted during the primary response after the initial exposure to the antigen?
Answers
The class of antibody that is first secreted during the primary response after the initial exposure to the antigen is IgM (Immunoglobulin M).
IgM is the largest antibody and is the first antibody produced by the body in response to an antigen. It is secreted by plasma cells and is present in the bloodstream and lymph fluid. IgM antibodies are effective at activating complement and can therefore help in the destruction of pathogens. After the initial exposure, IgM antibody levels gradually decrease, and other classes of antibodies such as IgG, IgA, IgE, and IgD begin to be produced.
IgM is the first antibody produced by B cells in response to an antigen during the primary immune response. It is a pentameric antibody, meaning it has five units joined together, and it is the largest antibody in the bloodstream. Each unit of IgM has a binding site that can recognize and bind to a specific antigen.
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FUN FACT OF THE DAY (day:4)
A baby fox is called a kit
A baby alligator is called a hatchling
A baby armadillo is called a pup
A baby fish is called a fry or fingerling
Answers
Answer:
lol wow
Explanation:
A baby alligator is called a hatchling
what was used as evidence to develop the big bang theory and the orgin of the universe
Answers
Answer:
Explanation:
The WMAP survey provides strong evidence that supports the Big Bang theory. The pattern of radiation is similar to what astrophysicists predict it would be if the Universe started from a very dense state and expanded to its present size.
Cells have genes that affect cell division. These genes may be damaged by
environmental factors such as radiation, smoking, and viral infections. Oncogenes
stimulate rapid cell division and are normally turned off in adult organisms. Tumor
suppressor genes prevent continuous cell division and are normally turned on in
adult organisms. One of these tumor suppressor genes, called p53, can be turned off
by the effects of smoking tobacco. Based on the above information, what is the most likely result of turning off p53?
A Lungs become black from smoking
B Cells undergo uncontrolled division
C White blood cells are unable to stop infections
D. DNA chains are broken and form more chromosomes
Answers
Answer:
B.
Explanation:
A tumor is essentially when damaged cells continue multiplying. So by smoking your risking both damaging your cells and turning of the p53 gene.
can i have brainliest?
The most likely result of turning off p53 is cells undergo uncontrolled division. Hence option B is correct.
What are genes?Genes are defined as the fundamental genetic component transferred from parent to child. Genes are composed of DNA sequences and are organized sequentially at specified sites on chromosomes in the cell nucleus. The foundation of the body is made up of cells. Your body is made up of billions of interconnected cells in every part. Chromosomes are the units on which genes are organized.
Diseases like cancer can result from an alteration in the cell cycle's regular regulation. When the cell cycle is out of balance, cells have the potential to randomly divide and accumulate genetic errors that can cause a malignant tumor.
Thus, the most likely result of turning off p53 is cells undergo uncontrolled division. Hence option B is correct.
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Please help due today and will give brainliest
Answers
Answer:
4x10^-5
Explanation:
divide 80 by 2 million
Most artificial sweeteners are cellulose-based because cellulose passes through the body without being metabolized. Therefore, these artificial sweeteners add zero calories.
A. True
B. False
Answers
which of the following mechanisms is not used to propel lymph through lymphatic vessels? which of the following mechanisms is not used to propel lymph through lymphatic vessels? a flowchart of a circuit and a capillary bed with lymphatic capillaries spreading between the network of blood capillaries. vessels of the arterial system come from the heart to the blood capillaries. vessels of the venous system come from the blood capillaries to the heart. vessels of the lymphatic system come from the blood capillaries to the venous system near the heart. in the capillary bed, arrows run from tissue fluid to the lymphatic capillaries. pulmonary motion small, heart-like pumps the milking action of muscles gravity
Answers
Small, heart-like pumps the milking action of muscles gravity is not used to propel lymph through lymphatic vessels.
Mechanism In order to move lymph through the veins, pressure gradients are created by the contraction of smooth muscle in the vessel walls, respiratory movement, and skeletal muscular action.In most parts of the body, lymph moves against a hydrostatic pressure gradient as a result of a combination of extrinsic (passive) and intrinsic (active) forces. The performance of the lymph pump system affects the interstitial fluid balance as well as other facets of overall homeostasis.Breathing. There is no smooth muscle layer in the capillary's thin, squamous epithelium-based wall. In order to aid lymph travel back to the veins, the lymphatic trunks' walls are lined with smooth muscle. Lymph is squeezed back toward the heart by skeletal muscle contractions that surround lymphatic veins.For more information on lymph kindly visit to
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Responding to the environment is a charestic of the life best shown by which example
Answers
Responding to the environment is a characteristic of the life best shown by a living organism.
What is a Living organism?This is referred to as a biological entity which is capable of transferring genetic traits to its offspring and also undergoes cell division which ensures its body parts grow. They are also involved in the search for food and other types of nutrients for their normal functioning.
Living organisms are able to perform such functions such as the following below:
GrowthIrritabilityMovementReproductionRespirationExcretion etc.Plants and animals possess special structures which enable them respond to different types of stimuli such as heat, cold etc. This enables the body system adjust and adapt thereby increasing the survival chances of the organism.
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Vocabulary Matching
Answers
Ecosystem, specialist species, niche, habitat, nonnative species, generalist species, extinction, Keystone species, indicator species, natural selection
An organism's home is known as its habitat, and its function in its environment is known as its niche. While niche focuses on how the creature effects the environment, habitat focuses on how the environment impacts the organism.
What about species?A group of things that share the same kind and name: kind. A group of related organisms with the capacity to bear viable offspring that falls below the genus level and is designated by a two-part scientific name. A group of plants or animals that may reproduce together and have similar characteristics is referred to as a species.A collection of people with similar traits who can interbreed to create fruitful offspring is how species are frequently defined. Alpaca - Vicugna pacos are two examples. A group of creatures that can naturally reproduce with one another and generate viable progeny is sometimes referred to as a species. However, classifying a species can be challenging and even contentious. The billions of people on the planet now are all members of the same species, Homo sapiens. Human beings differ among themselves, just like other species do, in terms of everything from size and shape to skin tone and eye color. The two-part name that Linnaeus invented is still used today and is currently presented in either Latin or Greek. It was originally used for plants and then later for animals. The first identifies the larger group, known as a genus, to which the plant belongs, while the second refers to the plant itself as a species.Learn more about species here:
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In the enzyme reactions, you mixed the enzyme catalase and the substrate hydrogen peroxide to see if bubbles formed. when you replaced catalase with water no bubbles formed. what does this suggest?
Answers
In the enzyme reactions, you mixed the enzyme catalase and the substrate hydrogen peroxide to see if bubbles formed. when you replaced catalase with water no bubbles formed. This suggests that no gas is releasing that was being released during the presence of catalase.
Catalase is an enzyme involved in the breakdown of hydrogen peroxide. Hydrogen peroxide acts as a substrate and its breakdown by the enzyme forms water and oxygen gas. Thus, the bubbles formed are of oxygen gas. Hence when the enzyme is replaced by water, no breakdown occurs and no oxygen is released.
Hydrogen peroxide is a highly instable compound. It occurs in liquid form. It is a very efficient germ cleaner and its application are as an antiseptic, cleaner, disinfectant, etc.
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