Answer:
“Landfill Systems: Final Cap, Landfill Gas Control Collection, Leachate Control Collection and Cleaning, Stormwater Basins, Monitoring Systems”
Landfill gas is comprised of methane, carbon dioxide, water and other organic compounds. The Landfill Gas (LFG) System on site collects and controls gas emissions through a network of wells connected by pipes below the surface that convey the gas through a vacuum. Once collected, the gas is processed to pipeline quality (recovery for domestic energy use) at an on–site LFG recovery plant. Gas emissions, non–methane organic compounds (NMOCs) and other hazardous pollutants are reduced by almost 100%. LFG and its odor are prevented from entering the atmosphere. In addition to this active gas collection and recovery system, an additional safety system is in place to prevent the migration of gas off–site.
Leachate
Leachate is the liquid by–product of the breakdown of household waste. Once the final cover is placed on the landfill, the quantity of leachate produced diminishes considerably because the amount of water that comes in contact with waste is minimized. The goal of the leachate management system is to remove pollutants by containment, collection and treatment of leachate before it reenters the environment. All treated water is cleaner than the nearby Arthur Kill.
Explanation:joo is welconme
Leachate management and gas collection systems at Fresh Kills are essential for environmental protection and energy recovery. They prevent groundwater contamination and capture biogas for use as a sustainable energy source.
The leachate management system ensures that liquid byproducts, which may contain hazardous substances, are properly contained and treated instead of contaminating groundwater. The gas collection system captures biogas, a mixture of primarily methane and carbon dioxide, which is a byproduct of anaerobic waste degradation. This gas can be used as a biofuel, often for heat or electricity generation, instead of being released into the atmosphere as a greenhouse gas. With the design of modern engineered landfills, such as Fresh Kills, these systems are integral components. Proper function of these systems allows landfills to be repurposed for beneficial use after closure, such as being transformed into recreational parks or golf courses. In summary, leachate and gas collection systems serve to protect the environment from potential pollution and support the sustainable use of non-renewable resources by transforming waste into energy.
Each replication fork requires both leading and lagging strand synthesis. Why?
Answer:
Because each strand acts as a template for the synthesis of a new, complementary strand.
Explanation:
This is known as semiconservative DNA replication. Leading and lagging strands are complementary, antiparallel strands (one is 3'-5' while other is 5'-3- direction) which are replicated differently. The leading strand is replicated continuously while the lagging strand is replicated in fragments-Okazaki fragments. Replication of both strands is performed by DNA polymerase.
Which of the following sequences of events correctly describes the progress of a protein that will be secreted from the cell?(A) SRP binds to the growing polypeptide chain and to the ribosome.(B) Translation resumes.(C) SRP binds to its receptor.(D) The signal sequence is cleaved.(E) Protein synthesis begins in the cytosol.(F) Translation pauses.•E → A → F → C → B → D•E → F → A → C → B → D•C → F → A → B → D → E
Answer:
E - F - A - C - B - D
Explanation:
After the export of mRNA from the nucleus, translation (protein synthesis) begins in the cytosol. Proteins that should be secreted from the cell, must e targeted to the endoplasmic reticulum (ER) and this process occurs co-translational (while translation is still in progress).The signal recognition particle (SRP) is involved in the process of targeting, because it recognizes specific signal sequences in proteins and targets that protein to the endoplasmic reticulum (SRP binds to its receptor in the membrane of the ER).
Cells in your hair follicles produce the protein keratin, but cells in your liver do not produce keratin. Which statement explains these differences
A). Hair follicles contain recombined DNA, which create the protein keratin
B). Genes are expressed differently in liver cells and hair follicles
C). Hair follicle cells contain different genes from liver cells
D). Hair follicle cells do not produce DNA, but liver cells do
Answer:
B). Genes are expressed differently in liver cells and hair follicles
Explanation:
In given organisms all the cells of the body have the same number of genes, however, their activity varies due to differential expression of genes.
The differential expression of genes is regulated by several factors, such as histone modifications, DNA, etc. which may silence or activate the genes differentially in different cells.
Since the hair cells and liver cells of the organisms will have the same genes, they only vary due to the differential expression fo the genes.
Answer:
B) Genes are expressed differently in liver cells and hair follicles
Explanation:
Cell differentiation helps produce different cells with different functions that express different genes in the genome.
Liver cells and hair follicles are an example of cell differentiation creating different functions in multi-celled organisms.
The tertiary structure of a polypeptide is the
Answer:
3 dimensional arrangement of the atoms within a single polypeptide chain.
Explanation:
The tertiary structure of a polypeptide is its unique three-dimensional shape formed by chemical interactions, especially among R groups. This structure determines the protein's functionality, with hydrophobic and hydrophilic interactions playing key roles along with covalent bonds like disulfide bridges.
Explanation:What is the Tertiary Structure of Proteins?The tertiary structure of a polypeptide is the three-dimensional arrangement of atoms within a single protein chain. This unique conformation results from a variety of chemical interactions, chiefly between the side chains, also known as R groups, and backbone groups of the amino acids that make up the polypeptide. A multitude of interactions including hydrophobic interactions, hydrogen bonds, ionic bonds, and disulfide bridges, among others, stabilize the tertiary structure and ensure the protein can perform its biological functions properly.
Tertiary structure is critical because it largely determines the protein's functionality. For instance, nonpolar, hydrophobic R groups often end up in the interior of the protein, away from water, whereas polar, hydrophilic R groups appear on the surface, interacting with the aqueous environment. Furthermore, the formation of covalent bonds such as disulfide linkages can provide additional stability to the tertiary structure.
The folding process is intricate and sometimes facilitated by other proteins called chaperones, which help guide the protein to its correct shape, ensuring its stability and functional activity. Therefore, the tertiary structure is not simply a result of the amino acid sequence (primary structure) but also of the complex and specific folding patterns driven by these interactions (secondary structure), which eventually form the robust three-dimensional shape.
Which of the following statements is false? Please choose the correct answer from the following choices, and then select the submit answer button. Internal fertilization occurs only in terrestrial animals. External fertilization occurs outside of an animal's body, whereas internal fertilization takes place inside an animal's body. External fertilization usually involves the production of large numbers of gametes to increase the chances of successful fertilization. Internal fertilization prevents the gametes from drying out. None of the answer options is false.
Answer:
Internal fertilization only occurs in terrestrial animals.
Explanation:
This can happen in fish which are not terrestrial animals.
The false statement is that internal fertilization only occurs in terrestrial animals. Internal fertilization is also seen in some aquatic species. Both internal and external fertilization have their unique advantages and are used by different species accordingly.
Explanation:The statement claiming that internal fertilization occurs only in terrestrial animals is false. As per the given information, internal fertilization not only occurs in terrestrial animals but some aquatic animals also utilize this reproductive method. This process may take place either through direct mating or by the male depositing sperm in the environment in a protective structure that a female then picks up and integrates into her reproductive tract.
There are examples of internal fertilization in several types of aquatic species, such as some bony fish and cartilaginous fish. Furthermore, internal fertilization enables the protection of the fertilized egg from dehydration on land, and a better survival rate compared to external fertilization due to the isolation within the female's body limiting predation on young.
While it is true that external fertilization often involves the production of copious amounts of gametes to increase the chances of successful fertilization, both types of fertilization have their unique benefits and are utilized by different species based on their respective living conditions and survival strategies.
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which statement is true of this poem?
a. the sea is personified as a female
b. each said that begins with alliteration
c. the Moon is personified as an old man
d. the sea is an idiom for reckless violence
Answer:
wrong subject but okay. The answer is (C). why?
Explanation:
Because the moon IS personified as an old man, the moon has been around for millions of years, therefore making the moon old, get it? Also post this on english or writing, not biology.
Hope you have a good day! Byeee <3333
Answer:
Its C I just did it that girl is wrong Im right.... I AM!
Explanation:
The sea is personified as a female.:333333
the center of the earth. Order the layers as you would encounter them, from the outside in.
Crust, upper mantle, mantle, outer core, inner core
Answer:
1.) Crust
2.) Upper Mantle
3.) Mantle
4.) Outer Core
5.) Inner Core
Explanation:
Identify the feature not unique to vertebrates.
A) vertebrae
B) backbone
C) skull
D) skeleton
The answer is skull
Answer:
Skeleton is the answer
Explanation:
Vertebrates have a skeleton made of bone and cartilage inside the body. Some invertebrates have an internal skeleton, but it is not made of bone.
53)
Suppose a mother carries two recessive genes for freckles (rr) and a father carries one recessive gene for freckles and one dominant gene for clear facial skin (Rr). What is the likelihood that their first child will have freckles?
A)
1
2
B)
1
4
C)
3
4
D)
4
4
r r
R Rr Rr
r rr rr
Genotype of the mother with freckle trait is rr. This means that it is a recessive trait.
Genotype of of the father having clear facial skin is Rr, showing that it is a dominant trait. There can be two genotypes for this trait that is Rr and RR.
When these parents are crossed, they produce 50% offsprings with the freckles trait (rr) and 50% with clear facial skin ( Rr).
Therefore, the likelihood of the first child with freckles is A
Hope this helped , Danielle xo
When are feedback loops used in any system?
A. When the system needs more of something.
B. When the system needs an enhanced outcome.
C. When a stimulus causes the system to move out of balance.
D. Only in emergency situations.
Feedback loops are used in any system when a stimulus causes the system to move out of balance. Therefore, option (C) is correct.
In order to keep the system in a stable and balanced state, a feedback loop is used to monitor and modify the system's response to a changing environment.
Feedback loops are triggered to return a system to a balanced state when an external input disturbs it. For instance, in the case of a thermostat that regulates the temperature of a room, the thermostat will engage a feedback loop to turn on the heater and increase the temperature back to the correct level if it falls below the desired level. The thermostat will start another feedback loop when the target temperature has been attained in order to turn off the heater and keep the temperature constant.
Not only to improve or increase anything, but also for a number of other purposes, feedback loops can be used. The reaction of the system, for instance, in a negative feedback loop is intended to lessen or reverse the initial stimulus and maintain a stable state, as opposed to enhancing or amplifying it. As a result, choice C is the right response.
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Much of what is known about the large-scale climatic fluctuations of the pleistocene ice age is based on analysis of __________.
a. tree growth-rings
b. documentary evidence such as journals
c. deep-sea sediment cores
d. thermometer-based records
e. none of the above is correct.
C- Deep-sea sediment cores
Hope this helps!
Every year in the United States, millions of pounds of herbicides, fungicides, and insecticides are applied to food crops. _____________________ make sure these products are safe for humans, other animals, and the environment.
A) Agricultural chemists
Eliminate
B) Agricultural engineers
C) Agricultural suppliers
D) Agricultural technicians
Final answer:
Agricultural chemists are responsible for ensuring the safety of agrochemicals like herbicides, fungicides, and insecticides applied to crops every year. They study the chemicals' effects on human health, animals, and ecosystems to mitigate potential harms.
Explanation:
Agricultural chemists are the professionals involved in making sure that agrochemicals, such as herbicides, fungicides, and insecticides, are safe for humans, other animals, and the environment. These specialists work to develop, analyze and understand the effects of these chemicals on crops and ecosystems. They study the chemical composition of these substances, their mechanisms of action, and their environmental fate. Their expertise helps in the creation of safer chemical agents and in setting regulations for their use. For instance, understanding pesticide resistance and the development of herbicide resistant 'superweeds' is essential in managing and preventing potential adverse impacts.
Which are supposed to be healthier for humans to consume, saturated fats or unsaturated fats? Hypothesize what the types of bonds in the fats might have to do with this.
Answer:
saturated fat
Explanation:
it is less vnlnerable to rancidity
Identify whether the following statements are true or false.
Organisms in a population must compete for resources in order to survive.
The best equipped organisms survive.
Organisms of the same species are equipped with the same survival skills.
Over time, beneficial variations of an organisms will spread through generations and gradually change the population as a whole
Answer:
They are all true besides "Organisms of the same species are equipped with the same survival skills."-that one is false.
Explanation:
ANSWER ON ED
PLEASE HELP! WILL GIVE BRAINLIEST! Describe the relationship between cell differentiation and morphogenesis
Cell differentiation is the process by which a cell becomes determined and is specialized in its function. Morphogenesis, on the other hand, is the progressive taking of the shape of an organism in its development. Morphogenesis, cell differentiation, and cell growth are the three fundamentals of developmental biology.
A person with Down Syndrome has an additional #21 chromosome in every somatic cell. This condition is also called trisomy 21. The cause of this syndrome A) is not known B) is due to crossing over of genes during Prophase 1 of meiosis C) is through the union of a normal gamete with the haploid amount of chromosomes (n) and another gamete with an extra #21 (n + 1) D) is through a mutation during DNA replication of mitosis in a somatic cell, and this mutation spreads to all other somatic cells in the body
Down Syndrome is caused by the union of a normal gamete with a gamete that has an extra chromosome 21, a condition resulting from chromosomal nondisjunction during meiosis.
Explanation:The cause of Down Syndrome, which is characterized by the presence of an additional chromosome 21 in every somatic cell (also known as trisomy 21), is through the union of a normal gamete with the haploid amount of chromosomes (n) and another gamete with an extra #21 (n + 1). This occurs due to a process called chromosomal nondisjunction during meiosis, which is the most common cause of this syndrome. Trisomy 21 leads to a variety of physical and developmental features, and the risk increases with maternal age, particularly in women over 36 years old.
Describe what will happen to a wave as it goes through a hole. What do you call this?
Answer:
Explanation:
As the water waves go through the gap they spread out, this is called diffraction.
The longer the wavelength of the wave the larger the amount of diffraction.
The greatest diffraction happens when the gap size is about the same size as the wavelength.
Biomes on Earth have exhibited changes throughout history that have been caused by a variety of factors. Over the past 50 years, the amount of tropical rainforest acreage found throughout the world has decreased from 14.8 billion acres to 8.6 billion acres due to deforestation. What factor is likely most responsible for the changes observed in the world’s rainforests?
a.volcanic activity
b.human activity
c.temperature changes
d.solar eclipses
Answer:
b.human activity
Explanation:
Deforestation is a human-driven process of the tree removal. Destruction of forest is performed fro many reasons: urbanization of the land, industry, farms, wood and paper production etc. It increased over the past 50 years and the main target are tropical rainforests. The trees are burned or cut by humans who leave the destroyed ecosystem behind.
Deforestation affect the animals and plants that lived there, but also humans and the effect even have global consequence (global water cycles, warming).
The most responsible factor for the changes observed in the world's rainforests, particularly the decrease in acreage, is human activity, specifically deforestation. Deforestation, driven by agriculture and logging, has resulted in habitat destruction, loss of biodiversity, and increased carbon dioxide emissions. Conservation efforts and international agreements are being implemented to address this issue.
Explanation:The factor that is most responsible for the changes observed in the world's rainforests is human activity, particularly deforestation. Deforestation refers to the clearing of forests, often for agriculture, logging, or urbanization purposes. In the case of tropical rainforests, human activities such as logging and slash-and-burn agriculture have contributed significantly to the loss of acreage.
For example, in the Amazon rainforest, one of the largest tropical rainforests, deforestation has been driven by the expansion of cattle ranching and soybean farming. Trees are cut down to make space for grazing pastures or to plant soybeans. This widespread deforestation has resulted in habitat destruction, loss of biodiversity, and increased carbon dioxide emissions, contributing to climate change.
To mitigate and address the issue of deforestation, conservation efforts, sustainable land management practices, and international agreements such as the REDD+ program have been implemented to promote the preservation of tropical rainforests.
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Which of these is NOT a solution that will reduce run-off water pollution: A) Farmers switching from chemical to organic fertilizer. Eliminate B) Taking local transit instead of driving whenever you can. C) Making sure to clean pet waste up and dispose of it properly. D) Making sure your car does not leak oil by getting regular tune-ups and checks.
Answer:
B
Explanation:
Oil from gas and cars does not contribute much to run off pollution. It mostly pollutes the air as it is used.
Answer:
its B i got it right with my usatestprep i got 100%
Explanation:
danielle's family is justifiably worried that her excessive use of a "downer" will lead to an accidental overdose and death. it further worries them that she often takes the drug with alcohol. which drug are they probably concerned about?
a. marijuana
b. amphetamine
c. phencyclidine
d. barbiturate
I believe it’s a or c
Answer ASAP! 20 points
point D is carrying capacity.
b) point D is carrying capacity. the fill carrying capacity like is at the same height as point d therefore that is correct.
How many aminoacyl-tRNA synthetase enzymes must be present in cells to properly synthesize proteins?
A., 3, one for each base in a codon
B., 4, one for each base in the mRNA
C., 20, one for each amino acid
D., 64, one for each possible codon
Answer:
C. 20, one for each amino acid
Explanation:
Aminoacyl-tRNA synthetase is an enzyme involved in protein synthesis (translation) with the role to attach suitable amino acid on its tRNA (amino acid that correspond to the anticodon on tRNA). As a result of its action, aminoacyl-tRNA is formed. There are the 20 different types of aminoacyl-tRNA synthethases that make 20 different aminoacyl-tRNA one for each amino acid of the genetic code.
Why do we need to use bacteria for gene cloning?
Answer:
It is used in the step of transformation, in order to make more plasmid DNA and consequently more gene product of interest
Explanation:
DNA cloning, as a method in molecular biology, is used for the multiplication of gene (or other piece of DNA). It usually includes steps of DNA insertion into plasmid (prokaryotic circular piece of DNA). That plasmid is than introduced into bacteria via process called transformation. Transformed bacteria can produce large amount of a product of a certain gene, because of their fast gene expression.
Many birth-control pills release a constant amount of synthetic estradiols and progesterone for 21 days. True or False
Answer:
True
Explanation:
The greatest expression of the lac operon occurs when lactose levels are _____.
A) low and glucose levels are lowB) low and glucose levels are highC) high and glucose levels are lowD) high and glucose levels are high
D.
Lac operan starts at an off position until a substance like allolactos turns in on so the rna polymerase can go through
Final answer:
The maximal expression of the lac operon occurs when lactose is high and glucose is low, as this allows for increased cAMP which enhances transcription and the presence of lactose inhibits the repressor.
Explanation:
The greatest expression of the lac operon occurs when lactose levels are high and glucose levels are low. This is because a low glucose concentration results in a high level of cyclic AMP (cAMP), which, when bound to the catabolite activator protein (CAP), enhances the binding of RNA polymerase to the lac operon promoter, thus increasing transcription. Furthermore, the presence of lactose results in the production of allolactose, which acts as an inducer by binding to the lac repressor and disabling its ability to bind to the operator site, thereby preventing it from blocking transcription of the operon. Jointly, these conditions significantly derepress the lac operon, leading to its maximal expression.
Organism that obtains energy directly from inorganic molecules
The answer is chemoautotroph
The first capillary bed associated with the nephron A. filters.B. reabsorbs nutrients.C. adjusts pH.D. forms urine.E. reverses the flow of blood
The first capillary bed will A. Filter out the blood
The first capillary bed associated with the nephron, the glomerulus, filters the blood. This filtrate then proceeds through the nephron where solutes are reabsorbed and wastes are secreted. Finally, urine is formed for disposal, completing the nephron's process of filtering the blood and maintaining homeostasis.
Explanation:The first capillary bed associated with the nephron, also known as the glomerulus, is primarily responsible for filtration of the blood. It forms a tuft of high-pressure capillaries where small solutes are filtered from the blood based on particle size. The filtrate, which consists of everything but the proteins, then continues to the rest of the nephron for further processing.
In the next steps, the filtrate proceeds to the renal tubules where most of the solutes are reabsorbed in the proximal convoluted tubule through a process called tubular reabsorption. This effectively recovers most of the solutes and water, returning them to the circulation. Furthermore, additional solutes and wastes are secreted into the kidney tubules during tubular secretion, which is essentially the opposite process of tubular reabsorption.
Lastly, the nephrons form urine for disposal, effectively cleansing the blood and balancing the constituents of the circulation. They accomplish this through their three main functions: filtration, reabsorption, and secretion. Overall, their principal task is to balance the plasma to homeostatic set points and excrete potential toxins in the urine.
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The mechanism of water reabsorption by the renal tubules is ________.
Answer:
Osmosis
Explanation:
The movement of water (passive) balances the osmotic pressure within or across the tubule walls, which maintains extracellular body fluid volume.
When viral DNA combines with the host cell's DNA, the viral DNA becomes a
Answer:
Prophage
Explanation:
Prophage is a viral genome (e.g. bacterihage genome) which is inserted into host genome (e.g. bacterial genome). Such integrated genome-prophage is in its latent phase, because there is no lysis or disruption of host cell. After the latent period, prophage induction occurs in which viral replication begins.
Blood pressure decreases and a body system responds in a way that causes the blood pressure to decrease even more. Which of the following would fit this statement the BEST?
A) Homeostasis
B) Negative feedback
C) Positive feedback
D) Regulation
C. Positive Feedback
This is because a response to a stimulus( low blood pressure) acts in the same direction as the stimulus ( even lower blood pressure).
This is opposed to negative feedback where the response would go in the operate direction of the stimulus ( I.e. blood pressure increasing in response to low blood pressure)