What is the job of a cell's selectively permeable membrane?
O A
To control materials entering and leaving the cell
O B.
To regulate energy production in the cell
thing
O C.
To create a second layer of rigid support and protection
O D.
To keep mitochondria from using nuclear material

Answer:

A because of competition between the organisms.

Explanation:

the population would decrease because there eventually wouldn't be enough resources to support the population.

A biophilia ecosystem service is the sensation of being among a forest of trees, some of the largest and oldest organisms to have ever existed on Earth. Edward O. Wilson, a biologist and naturalist, invented the word "biophilia" to explain how people are inherently drawn to the natural world.

The advantages individuals experience from being in a natural setting include bettering their physical and mental health, increasing their creativity and productivity, and feeling more content.

These advantages are referred to as "biophilia ecosystem services." In this aspect, trees are especially crucial since they offer a range of ecosystem services including clean air, water filtration, and wildlife habitat.

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Answer: First Third Fourth Choice

Explanation: Becuz when water freezes, the density becomes lower and the bonds stabilize, resulting in the molecules moving apart.

Answer:

A) Light pollution both attracts and repels migratory birds

In addition to the many hazards that exist in urban areas, cities typically lack the food resources and cover that birds need during migration or when raising their young. ... Darkening skies at night during migration season makes it easier for birds to navigate.

Explanation:

Migration carries high costs in predation and mortality, including from hunting by humans, and is driven primarily by availability of food. It occurs mainly in the northern hemisphere, where birds are funneled on to specific routes by natural barriers such as the Mediterranean Sea or the Caribbean Sea.

Answer:

Anaphase

Anaphase

Anaphase

This is an example of exponential growth.

Exponential growth refers to a pattern of growth where the quantity or size of something increases at an accelerating rate over time.

In the given scenario, Brain has one son, two grandchildren, and three great-grandchildren.

Each generation is producing more offspring, resulting in a rapidly increasing number of descendants.

The progression from one generation to the next demonstrates exponential growth because each subsequent generation adds more individuals than the previous one.

As the generations continue, the number of descendants grows exponentially larger.

Exponential growth can be observed in various natural and human-made systems, such as population growth, compound interest, and the spread of infectious diseases.

In this case, the number of descendants in Brain's family tree follows an exponential pattern, as each new generation multiplies the number of offspring, leading to a significant growth rate.

Therefore, the example given aligns with the concept of exponential growth.

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If the base-pairing in DNA becomes non-complementary such that purine bases can pair with one another and pyrimidine bases can pair with one another, the 1:1 ratio of purine to pyrimidine bases in DNA will no longer hold.

Due to the complementary base-pairing rule, the ratio of purine to pyrimidine bases in DNAs is usually 1:1. This is because Adenine always pairs with Thymine while Guanine always pairs with Cytosine.

Once this base-pairing rule is removed and becomes purine-purine and pyrimidine-pyrimidine pairings, then it becomes unnecessary for the ratio of purine to pyrimidine bases to be 1:1.

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Answer:

ok what is your questions and technical discussion and answers from the medulla up to the whole length of the vertebral column any less than the average salary is a great day out, but it would like us know when to go through it all in the category, the first one of our customers with other types and the basic principles, but it would like us know when to go through it all within

Explanation:

easy reach of the following are the best way to get the best way to get the best way to get the best way to get the best way to get the best way to get the best way to get the most popular of my friends are the details

a) My hypothesis is in this case is that the environmental conditions in the yard were too extreme which resulted in half of the trees dying.

b) I can test this hypothesis by asking myself, what environmental conditions were the trees in that caused half of them to die? I could read about different biomes and their climates and learn how well they support organic life such as grass, plants, crops, and even trees. I can then determine that half of the trees did not survive due to the extreme environmental conditions they were in.

Here you go!

Nathan's parents let him choose his own bedtime and eat whatever he wants and this  type of parenting style represents : D. permissive.

The nature of the parents' work is a more important determinant of children's development than a parent working outside the home.

Permissive parenting also called indulgent parenting. It is a style of child-rearing that has two key traits: being nurturing and warm and being not  imposing limits .

Permissive parents do not control their children's behavior. So, children are less aware of the limits of acceptable behavior. They exhibit worse impulse control and have more behavioral problems. When they are facing stressful situations, they are likely to resort to using aggression.

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Answer:

review all proposals for animal research to be sure the procedures to be used are appropriate and humane.

Explanation:

The Institutional Animal Care and Use Committee (IACUC) is a federal committee responsible for approving and/or prohibiting the use of animal (nonhuman vertebrate) subjects for research, testing and teaching purposes, as well as the inspection of animal facilities. IACUC evaluates the institution's animal programs and procedures as described by the Office of Laboratory Animal Welfare (OLAW). This committee has the task to verify animal's well-being by minimizing pain and distress (for example, by ensuring the use of non-invasive methods when possible). Researchers/educators that use animals for research/teaching purposes must previously submit a written request defined by the IACUC's guidelines.

Regarding infection, the following is true: Common insect vectors of parasitic illnesses include mosquitoes, fleas, lice, and ticks. Hence, option B is the correct answer.

Infections can be picked up and carried into settings from home or the community, or they can be picked up and transmitted there. Microorganisms, also referred to as germs, such as bacteria, viruses, fungus, and parasites, are what cause infections. There are germs everywhere, and most of them are not harmful and even have certain advantages.

Additional infectious diseases spread by vectors include tick-borne encephalitis, yellow fever, West Nile fever, chikungunya fever, Zika virus fever, and yellow fever (transmitted by ticks).

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The similarly alongside the cladogram you move,the greater variations in DNA the organisms have compared to the common ancestor.

A cladogram has been an evolutionary tree that diagrams the ancestral relationships amongst organisms. DNA sequence analysis of the hemoglobin alpha gene shows that humans and chimpanzees have a more similar sequence to each other than they do to the gorilla’s DNA sequence.

Analogies structure has been body parts that have a similar function but differ in structure. All vertebrate embryos have a tail and gill slits at some point during embryonic development.

Therefore, The similarly alongside the cladogram you move,the greater variations in DNA the organisms have compared to the common ancestor.

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Answer:

Explanation:

vPoint Source - a source of water discharged to surface water through a discrete point - generally through a pipe, ditch, or channel.

Nonpoint Source - Nonpoint sources, such as parking lots or athletic fields, discharge runoff water to groundwater or surface water; runoff does not come from  a pipe, ditch, or channel. These sources may contain pollutants such as pesticides, motor oil, and soaps.

Navigable Waters of the United States  For the purposes of the Clean Water Act, the term "navigable waters" includes:

all waters used in commerce, including groundwater;

all interstate waters including wetlands, mudflats, and sand-flats; and

all other waters such as lakes, rivers, streams, wetlands and sloughs.

EPA policy states, "The majority of facilities in the U.S. have the potential to discharge to navigable waters."  The Supreme Court decision in (2006) requires the Army Corps of Engineers and the EPA to determine whether there is a "significant nexus" between a navigable waterway and an area a spill might affect.  In June of 2007, EPA and the Army Corps of Engineers released provisional interpretive guidance regarding the "significant nexus” question. According to this guidance, the agencies will assert jurisdiction over traditional navigable waters, wetlands adjacent thereto, and relatively permanent tributaries thereof. The agencies will generally not assert jurisdiction over swales and ditches that lack routine water flow. Finally, the agencies will apply the "significant nexus" requirement and make a case-by-case, fact-specific analysis on impermanent tributaries and other wetlands.

Additional executive orders were issued 2015 in 2019.  Under the 2019 proposal, traditional navigable waters, tributaries to those waters, certain ditches, certain lakes and ponds, impoundments of jurisdictional waters, and wetlands adjacent to jurisdictional waters would be federally regulated. It also details what are not "waters of the United States," such as features that only contain water during or in response to rainfall (e.g., ephemeral features); groundwater; many ditches, including most roadside or farm ditches; prior converted cropland; stormwater control features; and waste treatment systems.

Could the requirement for one or more NPDES Discharge Permit apply to my campus?

If your campus discharges pollutants directly to navigable waters of the United States through a point source, you must obtain an NPDES permit or redirect the flow of the waste.

Stormwater releases from certain activities require an NPDES permit. The most common activities on college campuses requiring NPDES permits for stormwater are construction activities disturbing more than 1 acre, hazardous waste storage areas operating under the Resource Conservation and Recovery Act permit system, steam-generating power plants, and airports. See Stormwater section below.

Regulations issued by local water authorities, or Publicly Owned Treatment Works (POTWs), not NPDES permits, govern discharges into sanitary sewer systems. See Sewer Use (POTW) section below for more information about requirements for using POTWs for commercial or industrial waste disposal.

What do I have to do related to NPDES Discharge Permits?

Determine where wastewater flows from buildings and processes on your campus. Any industrial or commercial operation (e.g., ice rink melt pits, floor drains, and vehicle wash stations) that discharge into a water of the United States may require an NPDES permit. If required, you must obtain such a permit from the appropriate regulatory agency, probably your state environmental agency.

French drains, dry wells, and septic system leach fields are different from point source discharges because they do not immediately affect surface water. Some state and federal environmental agencies manage these systems under the Underground Injection Control program, part of the Safe Drinking Water Act. See Safe Drinking Water Act for more information.

Details of NPDES

Answer:

The modern horse, in addition to having much longer legs, has developed hooves in place of hand/foot bones.

Explanation:

Just read the text :)

Answer:

Weathering and erosion break down the igneous rock into pebbles, sand, and mud, creating sediment, which accumulates in basins on the Earth's surface.

Explanation:

Answer: which subject is this in??

Explanation:

Answer:

D

Explanation:

The immune system can protect you from bacteria and viruses, so I believe the answer would be D.

Answer: It  is a  inheritance of characteristics

Explanation:

The  results of von Liszt's experiments on the suggestibility of witnesses in 1901 have important implications for the accuracy and reliability of eyewitness testimony in legal proceedings.

Von Liszt and colleagues conducted a series of experiments to investigate the suggestibility of witnesses, which involved exposing student participants to staged events, such as a staged theft, and then asking them to provide information about what they had seen or experienced. The findings have explained the accuracy and reliability of eyewitness testimony in legal proceedings.

Hence, the results of von Liszt's experiments on the suggestibility of witnesses in 1901 have important implications for the accuracy and reliability of eyewitness testimony in legal proceedings.

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Answer:

intracellular parasitic nematode of mammalian striated muscles

Answer: blood cells

Explanation:

The bloodstream carries those molecules throughout the entire body. Every nook and cranny are supplied by blood capillaries, so every nook and cranny receive nutrients from the food you digested. The walls of capillaries are very, very thin. Just outside of the capillary walls is a fluid called interstitial fluid.

Lower than normal blood pressure will cause which of the following effects on the rate of clearance of substance A is C. A decrease, because a decrease in the rate of urine output will allow more reabsorption by the kidneys

Kidneys are bean-shaped organs located behind the abdomen which function as excretory organs and play a role in blood control. The kidneys control blood pressure through regulation of extracellular fluid volume and renin secretion. Blood pressure can be caused by a lack of fluid which causes blood volume to decrease, causing a decrease in blood pressure.

Decreased kidney function is characterized by a decreased glomerular filtration rate based on measurements of creatinine clearance, caused by low blood pressure thereby reducing the filtration rate of the glomerulus. This causes the amount of substance A to decrease in the urine due to reabsorption by the kidneys.

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Answer:

to increase calcium by mobilizing the iron from bone

Explanation:

It does this  by stimulating  release of calcium from bones and increasing its reabsorption from the kidneys. This helps to maintain calcium homeostasis and is crucial for normal bone metabolism.#spj4

Answer:

The majority of fat digestion happens once it reaches the small intestine. This is also where the majority of nutrients are absorbed. Your pancreas produces enzymes that break down fats, carbohydrates, and proteins. Your liver produces bile that helps you digest fats and certain vitamins.

Answer:

Triglycerides are large molecules, and unlike carbohydrates and proteins, they're not water-soluble. The digestive process has to break those large droplets of fat into smaller droplets and then enzymatically digest lipid molecules using enzymes called lipases. Digestion of fats mainly take place from fat enzymes produced in liver.

Answer:

The force that holds the gases in the sun. The force that causes a ball you throw in the air to come down again. The force that causes a car to coast downhill even when you aren't stepping on the gas. The force that causes a glass you drop to fall to the floor.

A substance requires energy to move across a membrane when it moves from (C) Low concentration to High concentration

The process of moving a substance across the cell membrane from high to low concentration is known as passive transport, which does not require energy. Active transport, on the other hand, is the process of moving a substance from low to high concentration, which requires energy.

The movement of molecules against their concentration gradient (low to high concentration) requires an energy source, which is usually in the form of ATP (adenosine triphosphate). Low concentration to High concentration. During active transport, the substance moves against its concentration gradient, which means it moves from an area of lower concentration to an area of higher concentration.

This process requires energy, which is provided by ATP. Active transport is responsible for the uptake of nutrients, such as glucose and amino acids, in cells. The process of active transport is crucial in maintaining the proper concentration of ions in cells. Additionally, active transport is essential for maintaining the pH of cells and the function of enzymes. Overall, active transport is an energy-intensive process that is vital for cellular homeostasis and function. The correct answer is C.

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Answer:

angiosperms because that's what's in out everyday routine

Explanation:

trust me

1. Bonds.

2. Guaranteeing savers high rates of return.

The following are financial securities that represent promises to repay a fixed amount of funds: Bonds.

The following is not a service that the financial system provides for savers and borrowers: Guaranteeing savers high rates of return.

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The generation time of the bacteria in the following culture is approximately 3.01  hours.

To determine the generation time of bacteria, we can use the formula:

Generation time (t) = (Time elapsed (T) / Number of generations (n))

In this case, we have a time difference of 10 hours between the two samples.

To calculate the number of generations, we can use the formula:

Number of generations (n) = log(N₂ / N₁) / log(2)

Where N₂ is the final cell count (10,000 cells/ml) and N₁ is the initial cell count (1,000 cells/ml).

Plugging in the values, we get:

Number of generations (n) = log(10,000 / 1,000) / log(2) ≈ 3.32

Now, we can calculate the generation time:

Generation time (t) = Time elapsed (T) / Number of generations (n)

Generation time (t) = 10 hours / 3.32 ≈ 3.01 hours

Therefore, the generation time of the bacteria in this culture is approximately 3.01 hours.

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