As the human population has increased, the result on natural capital has been increasing the use of net primary production by humans.
A growing population increases the need for resources such as food, water, housing, energy, healthcare, transportation, and more. And all that consumption increases the chance of catastrophic events like pandemics as well as ecological degradation, wars, and other social problems. Rapid development has resulted in unchecked urbanization, which has led to issues including overcrowding, poverty, crime, pollution, and political unrest. It promotes income inequality, slows the rate of GDP growth by keeping levels of capital investment and savings low, puts pressure on agricultural production and land, and worsens unemployment. Economic growth can result from an increasing population. Because more people can generate more things, population expansion will result in economic growth. Higher tax receipts will allow for the funding of public services including health care and environmental initiatives.
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Carbon is returned into the atmosphere (as carbon dioxide) because of the
decomposition _______ that happens in plant and animal cells.
because of the decomposition of oxygen
Answer: Carbon(C) is returned into the atmosphere (as carbon dioxide) because of the decomposition and respiration in plant and animal cells.
Explanation:
Respiration is a process in which energy and carbon dioxide (CO2) is released via the breakdown of food, releasing energy and carbon dioxide, and that carbon dioxide goes into the atmosphere.
It occurs in all plants and animal cells and is a significant part of the carbon dioxide cycle.
Decomposition on the other hand is the breakdown and decaying of organic materials into simpler constituents releasing carbon dioxide and water(H20).
And the CO2 released in decomposition also goes into the atmosphere.
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We tested for halides, phosphates, sulfates, and nitrates. Are these ions water pollutants? what potential health issues could they cause if they are ingested?.
Yes, halides, phosphates, sulfates and nitrates pollute the water bodies and pose damage on ingestion.
Ions are generally present in water, making it conductive in nature. The excess concentration of these ions pose harm to environment and human health. These ions, when present in excess, decrease the available oxygen in the water bodies. It further causes death of microorganisms and plants.
Ingestion of ions in excess concentrations imbalances the ion concentration in the body. These high concentrations can also have carcinogenic consequences on human health leading to lethality. Other effects of ingestion of these ions include diarrhoea, neural tube defects, dehydration, colon cancer.
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In the noncyclic electron pathway of the light reactions, where are photosystems i and ii located?.
In photosystem II, electrons generated from water molecule breaking take their place. Algae and plants that use photosynthesis experience this.
What is the noncyclic photosynthesis pathway?Electrons travel from H2O through PSII to PSI and subsequently to NADP+ in the noncyclic pathway. When sunlight strikes the PS II pigment complex, high-energy electrons (e-) leave the chlorophyll molecule, which serves as the reaction's core.
What is the electrons' route during a light reaction?Robert Hill and Fay Bendall described the general characteristics of a generally accepted photoelectron transfer mechanism in 1960, in which two light reactions (light reactions I and II) take place during the transfer of electrons from water to carbon dioxide.
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What is an example of an organ that contains tissues that undergo meiosis in humans?.
The only cells that undergo meiosis are egg mother cells (oocytes) in the ovaries and sperm mother cells (spermatocytes) in the testes.
What is meiosis?Meiosis is a unique type of cell division in which the number of chromosomes is cut in half. Oogenesis and spermatogenesis are the terms used to describe the processes of egg and sperm production.
What exactly are oocytes?In the process of human reproduction, there are two different kinds of sex cells, or gametes. The male gamete, or sperm, and the female gamete, the egg or ovum, combine in the female reproductive system. The fertilized egg produced by the union of a sperm and an egg is termed as a zygote. They are diploid in nature(2n).
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Almost out! Here's a quick vocabulary review for this lesson. Match the numbers from the word bank to its
correct definition to figure out the final 4-digit code.
WORD BANK
1. Scientific Law
2. Organic
3. Reactants
4. Products
Derived from
matter that is
living or was once
living
A substance
formed after a
chemical reaction
A description of
an observed
phenomenon
based on
repeated
experimentation
A substance that
takes part in and
undergoes
change during a
reactions
A process by which plants and other living things transform light energy into chemical energy. utilized to produce or build up nourishment for the organism.
Reactants are the substances that begin a chemical reaction, while products are the compounds that are created as a result of the reaction. According to this equation, the mass of the r increases whenever a chemical reaction rearranges atoms into a new product.
Students put into practice what they have learned about how pure substances have distinct features and are created from only one kind of atom or molecule.
What are the four laws of chemistry?
mass conservation principle. specified proportions law Multiple proportions law. Gaseous quantities according to Gay Lussac.
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Where can you find diamonds
A person with prediabetes has a fasting blood glucose level of _____ milligrams per deciliter.
Answer:
100–125
Explanation:
A person with prediabetes has a fasting blood glucose level of _100–125____ milligrams per deciliter.
"Why is each part of the cell essential to survival?" please write and answer in CER form
Each part of the cell is essential to survival because they perform the necessary functions which help keep us alive.
What is a Cell?This is referred to as the simplest unit of life and becomes aggregated to for tissues which have similar structures and functions.
Let's take the eyes for example, if the cells are damaged then it will lead to the reduction in its function which in this scenario is a bad sight or having troubles seeing correctly. This in turn leads to not being able to work or move away from hazardous substances which is why each part of the cell is essential to survival.
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what is the sbstrate of an enzyme
A molecule with which an enzyme interacts is known as a substrate.
A substrate is put into the active site of the enzyme, which is where weak bonds between two molecules might form. The substrate reacts under the pressure of the enzyme, forming an enzyme-substrate complex that is the product of the intended reaction.
In biochemistry, the molecule on which an enzyme operates is known as the substrate. Enzymes catalyze chemical reactions involving the substrate(s). The substrate is changed by the active site into one or more released products. The active site is then ready to accept a fresh substrate molecule.
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Geologic Timeline Mode
The first animal and plant life on Earth, the emergence of mountains on Earth, and the extinction of the dinosaurs are just a few instances of events that are listed on the geologic timescale.
What is the Geologic Timeline Mode?A representation of time based on Earth's rock record is called the geologic timescale, or GTS.
It is a method of chronological dating that makes use of geochronology and chronostratigraphy, which relate strata to time (scientific branch of geology that aims to determine the age of rocks).
Therefore, Geologic Timeline Mode indicate evolutionary history based on life forms.
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In the 80s, 90s and early 2000s, the Chesapeake Bay was so polluted that fish and oyster populations were almost gone. In 2008, environmentalists were divided on how to fix the bay. Some demanded widespread seeding of sterile imported oysters to deal with worsening water quality that was wiping out aquatic life in the bay. Adding the imported oysters could slowly filter and clean the bay water. Others warned that this could be a disaster because a few of the imported oysters would be fertile and might proliferate, forcing out the last of the Eastern oysters or interbreeding with the native species. (Source: © 1999-2020 National Center for Case Study Teaching in Science, University at Buffalo.)
If local officials decide to place imported oysters in bay, how could this change the capacity of the bay to support human activity?
The water quality in the Chesapeake bay will deteriorate with an increase in human populations.
The Chesapeake Bay faces serious problems due to human activities, including polluted storm water runoff, over-fertilization and pollutants from animal wastes, deforestation, wetland destruction from agricultural, city, and suburban development, and sea level rise due to worldwide climate exchange.
The water quality within the bay will deteriorate with an increase in human populations. The bays like Chesapeake Bay are brackish a mixture of sparkling and salt water. An increase in human populace will growth the salt stages in the bay because the among of clean water is reduced.
Sea-level rise is exacerbated by land subsidence. This combination of methods in the Chesapeake Bay has resulted in about one foot of net sea-stage rise in the Bay over the last one hundred years a charge almost two times that of the worldwide historical average.
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Why can chromosomes only be seen when cell is dividing
Chromosomes are not visible in the cell's nucleus, not even under a microscope when the cell is not dividing. However, the DNA that makes up chromosomes becomes more tightly packed during cell division and is then visible under a microscope.
Explanation:During most of the cell cycle, interphase, the chromosomes are somewhat less condensed and are not visible as individual objects under the light microscope. However during cell division, mitosis, the chromosomes become highly condensed and are then visible as dark distinct bodies within the nuclei of cells.
state the name given to the cell formed from two gametes at fertilisation
Answer:
Zygote is the fertilized cell after an egg or ovum is fertilized with a sperm cell.
gray seed color in peas is dominant to white. assume that mendel conducted a cross and the following progeny were produced: 202 gray and 198 white. what are the most likely genotypes of the parents?
The genotypes of the parents if you assume that mendel conducted a cross and the following progeny were produced: 202 gray and 198 white is GG and Gg.
Gregor Mendel uncovered the basic principles of heredity through his study on pea plants. He concluded that genes are inherited from each parent as separate, paired units. Mendel observed how parental genes separated and if they showed up as dominant or recessive qualities in the children.
Let "G" represents gray seed colored peas while "g" represents white seed colored peas. Also, take note that "G" is dominant over "g". The ratio of gray vs white offspring is 202:198 and if we simplify it, it becomes 2:2. Thus, there are 2 times gray peas for every 2 white ones. Now as per Mendel's rule, the genotype of two gray peas would be GG and Gg So the genotype of parent would be GG x Gg.
The cross can be seen in the attached image.
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The sequence is ACUCUUCUGGUCCCAACA.
From that sequence, remove only the first A (adenine). What amino acid sequence would be translated as a result of this change?
Answer:
frame shift
Explanation:
Proteins which are embedded in the membrane are called membrane proteins, while proteins which are attached to the surface of the membrane are called proteins.
Proteins which are embedded in the membrane are called membrane proteins, while proteins which are attached to the surface of the membrane are called peripheral proteins.
Any protein molecule that is joined to or connected to an organelle's or cell's membrane is said to be a membrane protein. On the basis of how the protein is connected to the membrane, membrane proteins can be divided into two types. Integral membrane proteins are indelibly incorporated into the plasma membrane.
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Which of the following is a simplified way of describing mitosis?
1. Cells copy once and divide twice making 2 cells
2. Cells copy twice and divide once making 2 cells
3. Cells copy once and divide twice making 4 cells
4. Cells copy once and divide once making 2 cells
Mitosis is the equational division, in which one parent cell divides to form two exact copies of daughter cells which are identical to the parent cell. Thus, the correct option is 4.
What is Mitosis?Mitosis is a type of cell division which occurs in all types of cells. This is also known as equational division because the number of chromosomes remains constant after the division. In this division, one parent cell undergoes division to form two daughter cells which are clones of the parent cell.
In this division, a single DNA splits into two daughter cell's DNA. The mitotic division consist of karyokinesis and cytokinesis. Karyokinesis is the division of nucleus which includes different phases such as Prophase, Metaphase, Anaphase, and Telophase followed by the division of cytoplasm (cytokinesis).
Therefore, the correct option is 4.
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How many carbon dioxide molecules are needed to produce a glucose during photosynthesis?.
Six carbon dioxide molecules are needed to produce glucose during photosynthesis.
What is photosynthesis?
A chemical reaction that takes place in photosynthesizing organisms such as plants, algae, and certain kinds of bacteria when they are exposed to sunlight. During the process of photosynthesis, water and carbon dioxide react to produce carbohydrates (also known as sugars), while also producing oxygen. Both animal and plant life require photosynthesis in order to survive.
It takes six molecules of CO2 to synthesize one molecule of glucose, and during this process, each molecule goes through its own individual C3 cycle. After six rounds of the Calvin cycle, one molecule of glucose is produced from six different molecules of carbon dioxide.
Hence, the process of photosynthesis requires sis CO2 molecules to produce glucose.
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which plant part is responsible for transporting water, minerals, and sugars to different parts of the plant? name the two types of tissue that make up this overall tissue, and explain the role of each.
Answer:
The vascular tissue is responsible for transporting water, minerals, and sugars within the plant
Explanation:
The two types of tissues that makes up vascular tissue are:
1. Xylem: The xylem is responsible transporting water and minerals around the plant. The Xylem also is used to provide structure to the plants.
2. Phloem: The phloem transporting the nutrients and organic material in the plant.
A plant can store starch in many areas, from the leaves down to the roots .What does this tell us about the transport of sugar solution in phloem tubes?
A high concentration of sugar at the source creates a low solute potential (Ψs), which draws water into the phloem from the adjacent xylem. This creates a high pressure potential (Ψp), or high turgor pressure, in the phloem. The high turgor pressure drives movement of phloem sap by “bulk flow” from source to sink, where the sugars are rapidly removed from the phloem at the sink. Removal of the sugar increases the Ψs, which causes water to leave the phloem and return to the xylem, decreasing Ψp.
Using the image below, identify the type of membrane transport shown (DIFFUSION, FACILITATED DIFFUSION, ACTIVE TRANSPORT) and explain how it works.
Answer:
Diffusion
Explanation:
Diffusion and Facilitated diffusion are the only two passive transports present. The other would be the active transport.
The differences between diffusion and facilitated diffusion is that diffusion is the substance passing through a phospholipids (lipid bilayer), while facilitated diffusion uses proteins in the bilayer that will allow this substance to pass through.
Like in the diagram shown, we start off with a high concentration on the top of the lipid bilayer, but we want to have both sides equal. That's why diffusion happens where at the end both concentrations on each side are equal.
Cells in a plant root are non-photosynthetic, but they still depend on the light energy harvested during photosynthesis in leaves. In what form is the light energy transferred to the root cells?.
Explanation:
the light energy is converted to heat energy in order to break the covalent bonds in the water molecules that are combined with CO2 to create glucose
During an annual check-up, the doctor typically feels the lymph nodes for swelling. What would swelling in the lymph nodes most likely indicate?
A.
the body is experiencing an infection
B.
white blood cells are lacking nutrients
C.
white blood cells are growing uncontrollably
D.
the body is not receiving enough oxygen
Answer: The body is experiencing an infection
A.
Explanation:
Which of the following is NOT a reason for cells to undergo mitosis?
1. Produce sex cells
2. Repair damage
3. Produce body cells
4. Growth of the body
Answer: 3. Produce body cells
Explanation:
Answer: 1. Produce sex cells
Explanation:
Options 2, 3, and 4 all undergo mitosis. While option 1 undergoes meiosis.
What is the term for the site where the muscle attaches that does not move when the muscle contracts?.
The origin is the term for the site where the muscle attaches that does not move when the muscle contracts.
It's simple to believe that muscle is muscle, and that the tissues in hearts, tongues, and arms are essentially the same. Mammalian bodies, however, are composed of three distinct muscle types: cardiac, skeletal, and smooth. Organs including our skin, blood arteries, and digestive tracts are made up of smooth muscles. The heart's muscles are called cardiac muscles. Despite how amazing and sophisticated these tissues are, the skeletal muscles are what carry out the bulk of the work.
The muscles that are a part of the skeletal system are known as skeletal muscles. They are voluntary muscles, as opposed to the hearts and stomachs, and one has cognitive control over them.
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Please answer as soon as possible!!
Thanks...
Answer:
for me I'll agree to both statement before and after, because both are true. the first statement is also true as this is one of the process of weathering that can occur, not necessarily relating to the formation of metamorphic rocks
describe how a cell might make one type of protein and not make another type
Answer: Structures found in the cytoplasm, called ribosomes, perform the process of translation. Reading the mRNA's nucleotides three at a time, these structures assemble strands of amino acids, the molecules that make up proteins. Each nucleic acid triplet corresponds to a particular amino acid.
In a cell the ribosome can make protein by the process of translation process where it read the mRNA nucleotide sequence at a time which assemble the strands of amino acids, the molecules that make up proteins. as each ribosome involve in synthesis of specific amino acids at a time, thus it can not make another protein
what is the function of ribosome ?A ribosome is a complex molecular machine present inside the living cells that produce proteins by a process called protein synthesis or translation.
The most important ribosome function are It gather and assemble all amino acids to form proteins which are essential to carry out cellular functions, The DNA synthesize mRNA by the process of DNA transcription.
The mRNA synthesis occur in the nucleus and transported to the cytoplasm for protein synthesis, the subunit of ribosome present in the cytoplasm are bound around mRNA polymers and tRNA synthesizes proteins.
The proteins synthesized by attached ribosomes can be transported outside the cell.
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Help please! in a cell's membrane, the phospholipid heads point outward toward the environment and toward the interior of the cell. why is this arrangement of phospholipids important in regulating interactions with its surroundings?
the polar heads can interact with water and other charged particles.
the hydrophilic heads help keep the cell moist by attracting water.
the polar heads help the cell stick to other cells of similar type.
the positively charged heads repel all negatively charged particles.
Answer:
The polar heads can interact with water and other charged particles.
Explanation:
The explanation is in the answer. There is water inside and outside of the cell. Water is polar so the phospholipid heads cause electrostatic interactions.
The cell membrane or plasma membrane is made up of phospholipids and proteins in which the polar heads can interact with the water and other charged particles present towards the outward environment. Thus, the correct option is A.
What is cell membrane?The Cell membrane serve as the barriers and gatekeepers for the entry of substances into the cell. They are semi-permeable in nature which allows some molecules to diffuse across the lipid bilayer but restrict others. Small hydrophobic molecules and gases like oxygen and carbon dioxide can cross the cell membranes rapidly without any protein.
The cell membrane is made up of phospholipids and membrane proteins. The heads of these phospholipids point outward towards the environment and towards interior of the cell. This is because the polar heads are hydrophilic in nature which can interact with the water and other charged particles whereas the hydrophobic tails of these lipids cannot interact with polar charged particles.
Therefore, the correct option is A.
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speaker notes
Made up of mostly solid Iron
and Nickel
Composed of mostly granite
and basalt
Made up of mostly liquid iron
and nickel
Made up of mostly magma
The densest layer of the Earth
Contains convection currents
that move the tectonic plates
Thinnest layer of the Earth
Inner
Core
Mantle
Earth's
Crust
Outer
Core
Is your work saved?
Go Back to Lab Room
OUTPUT
STATION
Match the property cards with
Organize It! the correct layer of the Earth.
Place the layers of the Earth
cards in order from outside
(top) to inside
(bottom.)
outermost
layer
innermost
layer
|||
KESLER
SCIENCE
The Earth's thickest layer contains tectonic plate-moving convection currents. Earth's inner core mantle is its at thinnest layer. MAIN levels three A metallic core consisting of iron and nickel. b. Mantle: a rock that is only partially solid. Crust is a thin layer of stiff, brittle rock.
What is the solid nickel and iron spherical at the center of the Earth?
Inner and outer cores are the two layers that make up the core. The earth's inside core is a solid spherical made of iron and nickel that is incredibly heated. The sole liquid layer of the earth is its outer core, which is a sea of mostly iron and nickel.
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the transition temperature, tm, for a sample cell's membrane was found to be much higher than a reference cell's membrane. what can be said about the membrane contents of each based on this experiment?
The sample cell probably has more cholesterol than the reference cell does.
How cholestrol affects sample cell?The sample cell is most likely to contain less saturated fat than the reference cell; it is also most likely to contain more cis-fatty acids than the reference cell. reference cell; The sample cell is likely to have more polyunsaturated fatty acids than the reference cell.
What is transition temperature?
The transition temperature is the temperature at which a substance changes from one crystal state (allotrope) to another.
Cell of reference?A reference electrode is an electrode having a known electrode potential .The reference electrode can function as a half cell in an electrochemical cell. The electrode potential of the other half cell can be found when the reference electrode functions as a half cell.
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