5. In today’s global economy, goods flow from one country to another like never before, allowing the natural capital from one country to be utilized in many other countries. Some have argued that it is unethical for developed countries to fuel their consumptive lifestyles by using natural capital from poorer, developing countries. Do you agree with this viewpoint? Why or why not?
I agree because overexploitation of resources negatively affects the development of developing countries and increases inequalities between developed and developing countries.
Overexploitation of natural resources refers to the unsustainable use of natural resources (e.g., water, lands, etc).This phenomenon (overexploitation) may lead to the loss of biodiversity and even the extinction of many species, including plant and animals species.In the past, the overexploitation of developed countries to the natural resources from developing countries was erroneously justified as a method to initiate economic development in the Third World countries.However, it has been shown that the overexploitation of natural resources often leads to situations where populations become more vulnerable to demographic swings or conflict (e..g., deforestation may lead to desertification).In consequence, overexploitation of developed countries to the natural resources from developing countries is unethical because it increases inequalities between countries.Learn more in:
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Gracias a la nutrición los seres vivos logran:
A. Suplir sus necesidades energéticas, es decir que obtienen la energía necesaria para realizar todas las actividades: saltar, cazar, nadar, masticar, parpadear, entre muchas otras.
B. Reparar estructuras deterioradas, ya que en la nutrición se obtienen sustancias como las proteínas, que en el proceso pueden ser incorporadas como parte del organismo.
C. Crecer y renovar sus células, en tanto que la nutrición proporciona la materia y la energía necesarias para que las células se reproduzcan o aumenten su tamaño.
D. Todas las anteriores.
Answer:
c la nutrición nos renueva y proporciona materia
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How many amino acids must be obtained in the diet because they cannot be made by the body?
Оооо
10
20
Answer:
10
Explanation:
The body is unable to produce essential amino acids. Because the body is unable to produce 9 amino acids, they must be received through diet. Thus, option A is the best choice.
What are Essential amino acids?An obligatory amino acid, also known as an essential amino acid, is one that the body cannot produce quickly enough to meet need and must thus be obtained from the food.
Humans and other animals cannot generate essential amino acids from metabolic intermediates. The body lacks the metabolic processes necessary to produce these amino acids, thus they must be obtained from an external diet.
The body is unable to produce essential amino acids. They must therefore originate from food. Histidine, isoleucine, leucine, lysine, methionine, phenylalanine, threonine, tryptophan, and valine are the nine essential amino acids.
Therefore, option A is the best choice.
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Your question is incomplete, most probably the complete question is :
How many amino acids must be obtained in the diet because they cannot be made by the body?
910203. A heat insulating substance is;
Plastic, rubber, wood, and ceramics
Determine the correct sequence of events for the production of a human protein in a bacterium. I. Target gene is inserted into a plasmid II. Bacterium replicates in a fermenter III. Bacteria produces target protein IV. Modified plasmid is inserted into bacterium
Answer:
I. Target gene inserted into plasmid
IV. Modified plasmid is inserted into bacterium
II. Bacterium replicates in a fermenter
III. Bacteria produces target protein
Can a person’s genotype be determined by their phenotype? Why or why not?
Answer:
i hope it help
Explanation:
A person's genotype is not determined by their phenotype. The genotype is the genetic makeup of an individual and is the basic instructions for how the cell should make proteins that make up our traits. The phenotype is the physical appearance or characteristics of the person.
What is used to isolate and cut the target gene during genetic engineering?
A. Ligase
B. Recognition site
C. Polymerase
D. Restriction enzymes
Answer:
A virus or plasmid used in this way is known as a cloning vector, and the DNA propagated by insertion into it is said to have been cloned. To isolate a specific gene, one often begins by constructing a DNA library—a comprehensive collection of cloned DNA fragments from a cell, tissue, or organism.
Restriction enzymes are used to isolate and cut the target gene during genetic engineering. Thus, the correct option is D.
What is Genetic engineering?Genetic engineering may be defined as a methodology that utilizes laboratory-based technologies to change the DNA makeup of an organism in a sequential manner.
Ligase is an enzyme that is utilized to join the fragments of a restriction endonuclease that have annealed in recombinant DNA cloning. Polymerases are also the class of enzymes that are used in DNA manipulation in vitro.
A Recognition site is a specific site that is usually very short in length and recognizes the action of enzymes and primers.
Therefore, the correct option for this question is D.
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Need help anyone knows the answer
Answer:
landfill materials
besause it seems like the image show n
Approximately how many mutations occur naturally in DNA per 10,000 bases?
A. 2
B. 2000
C. 200
D. 20
Explanation:
Modern methods indicate that the mutation rate is roughly one to two mutation per 10,000 genes per generation.
In human cells, approximately TWO (2) MUTATIONS occur naturally in DNA per 10,000 bases (Option A is correct).
The mutation rate (u) refers to the occurrence of new mutations in a given nucleotide sequence over time.In human cells, the mutation rate is approximately 10⁻⁴ per generation.Therefore, in a DNA sequence that has 10,000 base pairs of length, this value is equal to 2 mutations per generation (u = 2 / 10,000 = 10⁻⁴).In conclusion, approximately 2 MUTATIONS occur naturally in DNA per 10,000 bases (Option A is correct).
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list and explain genetic abnormalities
Answer:
Genes are the building blocks of heredity. They are passed from parent to child. They hold DNA, the instructions for making proteins. Proteins do most of the work in cells. They move molecules from one place to another, build structures, break down toxins, and do many other maintenance jobs.
Sometimes there is a mutation, a change in a gene or genes. The mutation changes the gene's instructions for making a protein, so the protein does not work properly or is missing entirely. This can cause a medical condition called a genetic disorder.
You can inherit a gene mutation from one or both parents. A mutation can also happen during your lifetime.
There are three types of genetic disorders:
Single-gene disorders, where a mutation affects one gene. Sickle cell anemia is an example.
Chromosomal disorders, where chromosomes (or parts of chromosomes) are missing or changed. Chromosomes are the structures that hold our genes. Down syndrome is a chromosomal disorder.
Complex disorders, where there are mutations in two or more genes. Often your lifestyle and environment also play a role. Colon cancer is an example.
Explanation: I have no clue if this is correct but I tried lol
Which inference can you make about why finches have adapted different beak sizes and shapes? (1 point)
They are different species.
O They live in the same location.
O They eat different foods.
O They have a wide range of variation
Finches have adapted different beak sizes and shapes because they eat different foods. So the correct option is C.
What is natural selection?Natural selection is a mechanism for evolution to happen. It is the process by which living organisms acquire certain characters according to their needs.
It is important to understand natural selection to understand the essential concepts of the processes by which living organisms have been able to develop the complex structures which are helped them to survive.
Natural selection results from various conditions of environment, ecosystem and heredity. An example of natural selection is the development of antimicrobial resistance to pathogens.
Finches are known to have developed different sizes and shapes of beaks according to the kind of food that they eat. If they fed on insects, they had long and pointed beaks. If they fed on seeds and nuts, they had broad and blunt beaks.
Therefore the correct option is B.
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Why is the sequence of amino acids important to the properties of a protein?
It provides structural support; the structure determines the function.
It retains and transmits important biological information.
It stores energy and provides covering to avoid water loss.
It stores energy and provides structural support for cells.
Answer:
it provides structural support, the structure determines the function
Answer:
it provides structural support, the structure determines the function
Explanation:
took the test and I got it right :) happy learning everyone
What’s the most significant greenhouse gas increase
Answer:
Carbon dioxide (CO2) is the primary greenhouse gas emitted through human activities.
sustitución de una es estructura que el animal ha perdido
Answer:
we'll need a translator to get what you expressing
Question 6(Multiple Choice Worth
l
Marta wants to explain how pollution is affecting the biodiversity of a local lake. Which of the following models are most appropriate options to use in her explanation?
1. Graph
II. 3-D model
III. Simulation
OI and II
Oil and III
OI and III
OI only
helpppp nowww
Ecosystems are impacted by air pollution, particularly sulphur and nitrogen emissions, and ground-level ozone as it affects their ability to function and grow. Nutrient overloads in aquatic ecosystems can cause algae blooms and ultimately a loss of oxygen, and of life
which of the following answers is true about the structure of an atom
1. neutrons and electrons make up the nucleus of an atom
2. electrons are found in outer orbitals around the nucleus
3. electrons and protons make up the nucleus of the atom
4. protons are found in outer orbitals around the nucleus
Answer:
2. electrons are found in outer orbitals around the nucleus.
Explanation:
The nucleus of an atom has protons and the neutrons . The outer most region contains the electrons.
The operation of the sodium-potassium pump moves ________. A) sodium and potassium ions into the cell B) sodium and potassium ions out of the cell C) sodium ions into the cell and potassium ions out of the cell D) sodium ions out of the cell and potassium ions into the cell
operation of SODIUM-POTASSIUM PUMP moves sodium ions out of the cell and potassium ions into the cell. The correct option is D.
When a cell membrane moves molecules or ions against a concentration gradient or against an electrical or pressure gradient, the process is called ACTIVE TRANSPORT. Different substances that are actively transported include:
--> sodium ions,
--> potassium ions,
--> calcium ions and
--> some amino acids.
There are two types of active transport which are divided according to the energy that is used to cause the transport. They include:
--> primary and
--> secondary active transport.
PRIMARY ACTIVE TRANSPORT
A typical example is the SODIUM-POTASSIUM PUMP( Na+ - k+). This is a transport process that pumps sodium ions outward through the cell membrane of all cells and at the same time pumps potassium ions from the outside to the inside. This pump helps to:
--> maintain the sodium and potassium concentration differences across the cell membrane
--> establish a negative electrical voltage inside the cells.
The mechanism or OPERATION of the pump involves the following steps:
--> two potassium ions bind on the outside of the carrier protein and three sodium ions bind on the inside,
--> ATpase of the carrier protein cleaves one molecule of ATP, splitting it to Adenosine diphosphate (ADP) and liberating a high-energy phosphate bond of energy.
--> this liberated energy then causes a chemical and conformational change in the carrier protein,
-->this leads to the extruding of three sodium ions (3Na+) to the outside and two potassium ions (2K+) to the inside.
Therefore in the operation of SODIUM-POTASSIUM PUMP moves sodium ions out of the cell and potassium ions into the cell. The correct option is D.
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Which of the following would ATP NOT be used for as energy?
A. Osmosis
B. Healing a cut
C. Keeping warm
D. Push ups
Answer:
[tex]\boxed {\boxed {\sf A. \ Osmosis}}[/tex]
Explanation:
ATP or adenosine triphosphate is used as energy in all living organisms. It is required for many processes to keep an organism alive. We are looking for the process that does not require ATP.
A. Osmosis
Osmosis is the diffusion of water across a selectively permeable membrane. It is a type of passive transport, so there is no energy expenditure. ATP is not used, but we can check the other answer choices.
B. Healing a cut
Healing a cut requires transporting substances to the cut, inflammatory responses, and cell division to repair the cut. This does require ATP.
C. Keeping warm
To stay warm the body's blood vessels near the surface constrict so less heat is lost and the sweat glands are inactivated. This requires ATP.
D. Push ups
Push ups require many different muscles throughout the body and exercise requires lots of ATP.
The correct answer is Choice A. Osmosis.
Why do oxygen levels drop sharply during eutrophication?
Explanation:
during eutrophication, there is a presence of excess algae in the water body. this causes an excess overconsumption of available organic materials by algae, causing the oxygen levels to reduce rapidly.
When the algae population grows rapidly, it may hinder sunlight from reaching other lifeforms and cause dissolved oxygen levels to fall.
What is eutrophication?Eutrophication is the substantial increase in phosphorus, nitrogen, and other organic material in an ageing aquatic environment such as a lake.
As the amount of organic material that can be subdivided into nutrients increases, so does the efficiency or fertility of such an ecosystem.
When the algae population grows rapidly, it may prevent sunshine from reaching other organisms and cause dissolved oxygen levels to fall.
The primary environmental impacts of eutrophication are an increase in suspended particles caused by extensive macroalgal blooms, a decrease in water clarity, and an increase in precipitation rate, which has resulted in the destruction of benthic habitat due to shading of submerged vegetation.
Thus, this way, oxygen levels drop sharply during eutrophication.
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In developing follicles of the mammalian ovary, the thecal cells secrete testosterone. If the granulosa cells of a follicle are unable to convert this testosterone to _______, they will not express enough FSH and LH receptors to allow for follicle maturation and _______.
In developing follicles of the mammalian ovary, the thecal cells secrete testosterone. If the granulosa cells of a follicle are unable to convert this testosterone to estrogen, they will not express enough FSH and LH receptors to allow for follicle maturation and ovulation.
What are Developing follicles?Female mammals, including humans, have developing follicles in their ovaries, which are tiny sacs filled with fluid. The immature egg, or oocyte, found in each follicle is encased in layers of specialized cells, comprising thecal cells and granulosa cells.
Under the influence of hormones like follicle-stimulating hormone (FSH) and luteinizing hormone (LH), these follicles develop and mature until one dominant follicle is chosen for ovulation. Normal reproductive function depends on the complex process of follicle formation and maturation.
Therefore, in developing follicles of the mammalian ovary, the thecal cells secrete testosterone. If the granulosa cells of a follicle are unable to convert this testosterone to estrogen, they will not express enough FSH and LH receptors to allow for follicle maturation and ovulation.
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How are mitosis and binary fission similar?
A. They produce identical daughter cells.
B. They occur only in prokaryotes.
C. They involve division of nuclei as well as cytoplasm.
D. They occur only during sexual reproduction.
Answer:
They produce identical daughter cells.
1 A large quantity of fertiliser has been washed into a stream. Decide whether the following 'rise' or 'fall'.
a) Concentration of minerals in the water
b) Total biomass of algae
c) Light levels below the surface
d) Amount of photosynthesis below the surface
e) Mass of decomposing organic matter f ) Number of bacteria
g ) Amount of respiration below the surface
h ) Amount of oxygen dissolved in the water
i) Number of mayfly nymphs in the water j) Number of fish in the water
what is meaning of H2O and compound
Explanation:
H2O is water and compound is an opposite of elements
Pls I need help with this question they didn’t say anything about it
Answer:
I don’t know
Explanation:
1.Explain what makes a scientific experiment reliable. Be sure to include at least three reasons to support your answer.
2.During research, why is it important to use peer reviewed evidence when collecting background information during a scientific investigation?
An experiment is reliable when its repetition produce always the same result. In science, peer review is fundamental because this process ensures that there is not misleading data that may lead to erroneous results.
In sciences, reliability is a term used to evaluate the quality of research. Reliability refers to the probability that an experiment or result is correct, thereby preventing and mitigating failures over time.
An experiment whose successive repetitions conduct the same result is 100% reliable.
Three examples of reliability in science: the same measurement of the size of the leg of a spider. the observation of the same behavior of birds populations on different days and at different times of the day. the same byproducts from a given chemical reaction when an experiment is repeated two or more times.
Peer review is the most widely accepted process used to validate scientific data. This process (peer review) is fundamental to facilitate the growth of scientific knowledge.
During peer review, independent scientists assess the originality, reliability, and significance of a scientific work before its publication.
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Answer:
i hade this assesement i aced it but this is only one part of it there is more
Explanation:
What is cell answer it thank u good day
Tiny structures that carry out cell functions are collectively called:
Answer:
YOUR ANSWER IS ORGANELLES .THEY CARRY DIFFERENT FUNCTION INSIDE A CELL.
HOPE IT HELPSThe tiny structures that carry out various functions in a cell are collectively called organelles.
Organelles are microscopic in nature. Just like we have various organ parts in the human body that performs several body functions, so also do we have various organelles in a cell that carry out specific functions within a cell.
Organelles which can be referred to as "little organs" include the following: mitochondrion, nucleus, lysosomes, ribosomes, chloroplasts and so on.
Thus, all these tiny structures listed above which carry out cell functions are collectively called organelles.
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The space between the canine and the first premolar in the lower jaw of some primates is a(n) Group of answer choices mandibular gap. alveolus. retrocanine space. diastema.
Answer:
Diastema
Explanation:
The human teeth comprises of incisors, canine, premolars and molars.
The canine and incisors are for tearing and cutting while molars and premolars are for grinding.
DIASTEMA is a space between the canine and the first premolars. It is the space between the upper jaws teeth. It is caused as a result of imbalance or unequal relationship between the size of upper jaws teeth.
diastema (plural diastemata) is a space or gap between two teeth. It is common in children and adults.
Therefore, the space betwee canine and first premolar is DIASTEMA.
The space between the canine and the first premolar in the lower jaw of some primates is known as diastema
A diastema (in plural diastemata) occurs when there's a gap between two teeth, which is usually more perceptible between front teeth. Diastema is due to an imbalance in the relationship between the jaw and the size of the teeth. Many different mammals (including primates) exhibit diastemata between the incisors and molars. In humans, diastemata mainly occur between the upper incisors (i.e., front teeth), although can generate anywhere in the mouth and affect both adults and children.Learn more about diastema in:
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Need help someone knows the answer
Answer:
I believe it is B
Which of the following statements are true about antibodies?
A. Both Polyclonal and Monoclonal antibodies are naturally produced in immune
responses.
B. Polyclonal antibodies are part of the natural immune response; monoclonal antibodies
are clones of plasma cells used for medical research.
C. Polyclonal antibodies are used for the treatment of cancer, monoclonal antibodies are
used for medical research.
D. Monoclonal antibodies work against many types of antigens; polyclonal antibodies
work against a specific antigen.
Answer:
both a and b are the correct answers
