Does cellular respiration result in a net input of energy.

Answers

Answer 1

Yes, cellular respiration results in a net input of energy.

Cellular respiration is a process in which living cells produce energy from nutrients by breaking them down in the presence of oxygen. The process of cellular respiration results in the net input of energy because it generates more ATP (adenosine triphosphate) than it consumes. ATP is the energy currency of the cell that drives all cellular activities.
The energy-releasing steps of cellular respiration occur in three stages: glycolysis, Krebs cycle, and oxidative phosphorylation. Glycolysis takes place in the cytoplasm and results in the net production of two ATP molecules per glucose molecule. The Krebs cycle occurs in the mitochondria and generates two ATP molecules per glucose molecule. The oxidative phosphorylation, also known as electron transport chain, takes place in the inner mitochondrial membrane and results in the production of about 32-34 ATP molecules per glucose molecule.

In conclusion, cellular respiration is an energy-releasing process that produces more ATP than it consumes, resulting in a net input of energy. This energy is crucial for the cell to carry out various functions like muscle contraction, cell division, and nerve transmission, among others.

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Related Questions

the sternal region is __________ to the axillary region.

Answers

The sternal region is located closer to the midline of the body and lies anteriorly to the axillary region, which is situated more laterally or to the side the sternal region acts as a landmark for the placement of medical devices, such as central venous catheters, and it is also commonly used as a reference point in anatomical descriptions and clinical examinations.

The sternal region is located medially or centrally in the upper body, while the axillary region is positioned laterally or to the side.

The sternal region refers to the area around the sternum or breastbone, which is a long, flat bone in the center of the chest.

It forms part of the anterior thoracic wall and is crucial for the attachment of various muscles and ribs.

In contrast, the axillary region is commonly known as the armpit. It is a transitional zone between the upper limb and the thorax, located on both sides of the body.

The axilla is bounded by the upper arm, chest wall, and shoulder, and it contains several important structures such as blood vessels, nerves, lymph nodes, and adipose tissue.

When comparing the sternal region to the axillary region, the sternal region is more centrally positioned, closer to the midline of the body. It lies anteriorly, or in front of the axillary region.

The sternal region acts as a landmark for the placement of medical devices, such as central venous catheters, and it is also commonly used as a reference point in anatomical descriptions and clinical examinations.

These two regions are distinct anatomical areas with different structures and functions.

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Final answer:

The sternal region, or sternum, is medial to the axillary region, meaning the sternum is towards the body's midline, while the axillary region is laterally situated on the sides of the body under the arm joint. The sternum consists of the manubrium, body, and xiphoid process.

Explanation:

The sternal region, also known as the sternum, is the long, flat bone in the middle of the thoracic cage, in the center of the chest. The axillary region is situated laterally to the sternal region, meaning it is to the side of the sternum. Therefore, the sternal region is medial to the axillary region.

The sternum consists of the manubrium, the body, and the xiphoid process. The manubrium connects to the first rib and clavicle, forming the sternoclavicular joint. The axillary region, on the other hand, refers to the area on the body under the joint where the arm connects to the shoulder.

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which kingdom consists of organisms that can be classified as either plants-like,fungi-like,or animal-like ?​

Answers

Answer:

Kingdom Protista

The organisms within the Kingdom Protista contain a nucleus, like all Eukaryotes, and are categorized as plant-like, animal-like or fungus-like.

3) Which of the following correctly defines a gamete?
A) a sex cell that contains half of the chromosomes of a regular cell
B) a collection of cells that join during fertilization to form a zygote
C) a cell that contains double chromosomes in preparation for mitosis
D) a mutation that occurs in a sex cell and is passed to offspring

Answers

I think the answer is B.
But I am not sure.

Which structure is the site of the synthesis of proteins destined for export from the cell?.

Answers

Rough endoplasmic reticulum is the site of the synthesis of proteins destined for export from the cell.

Answer:

hello there

Explanation:

rough endoplasmic reticulum

Proteins that will be exported, or secreted, from the cell, are generally produced in the rough endoplasmic reticulum (rough ER).

What are cells made of?

Answers

Answer:

All cells are made from the same major classes of organic molecules: nucleic acids, proteins, carbohydrates, and lipids.

It includes features from all cell types. A cell consists of three parts: the cell membrane, the nucleus, and, between the two, the cytoplasm. Within the cytoplasm lie intricate arrangements of fine fibers and hundreds or even thousands of miniscule but distinct structures called organelles.

Explanation:

put in your own words

Cells are made up of macromolecules like proteins, carbohydrates, lipids, and nucleic acids.

What are cells?

The cell is the smallest unit of life. They make the living being's structure and all the functions are performed by cells. It is the smallest unit of living matter and is made of proteins, lipids, and nucleic acids.

The cell membrane, the nucleus, and the cytoplasm are the three primary components of a cell. The substances that enter and leave the cell are governed by the cell membrane, which encloses the cell.

The majority of the cell's DNA is located in the nucleus, a structure inside the cell that houses the nucleolus. The majority of RNA is also produced there.

Thus, macromolecules like proteins, carbohydrates, lipids, and nucleic acids make up cells.

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in need a short answer about cancer and the pahse

Answers

Explanation: okay so cells have this mechanism to kill themselves if a bad mutation happens but when that breaks and the cell can longer do that it is considered a cancer cell the cell will continue to mutated and multiply if mutated enough it will be able to hide itself with regular cells, from the  immune system after a long time it will get veins to give all the nutrition to the cancer cells making it grow more if lucky it will multiply and mutated  but this mutations makes it think its a regular cell creating a cancer tumor

now cancer is beating cancer. eventually it will take over but you will have god cancer  

Work in a small group or alone to co that follow mplete this exercise. Use the stratigraphy drawing provided to answer the questions that follow1. Which layer is the oldest? 2. Which layer is the youngest (most recent)? 3. In layer B, you find an unfossilized bone. What chronometric dating method could you use to date this layer? For what date range would this method be appropriate? 4. In layer D, you find a fossilized bone. Layer C and layer E are made of volcanic rock. Based on what is available at the site, what strategy will you use to determine a chronometric date for layer D? (Be sure to specify the exact dating method or methods used and the corresponding applicable age ranges.)

Answers

The stratigraphy drawing can be used to determine the relative ages of the different layers. Radiocarbon dating can be used to date layer B containing an unfossilized bone.

The layer at the bottom of the stratigraphy drawing is the oldest, indicated by the letter "A." The layer at the top of the stratigraphy drawing is the youngest, indicated by the letter "E."

To date layer B contains an unfossilized bone, one could use radiocarbon dating, also known as carbon-14 dating. This dating method relies on the radioactive decay of carbon-14, which is found in organic materials, such as bone. Carbon-14 dating can be used to determine the age of the bone up to approximately 50,000 years ago, which makes it an appropriate dating method for layer B in the stratigraphy drawing.

To determine a chronometric date for the fossilized bone found in layer D, a combination of different dating methods could be used. Since layers C and E are made of volcanic rock, it is possible to use radiometric dating techniques, such as potassium-argon dating or argon-argon dating, which rely on the decay of radioactive isotopes of potassium to argon, to date these layers.

Once the dates for layers C and E have been determined, it would be possible to bracket the age of layer D. Additionally, other dating methods, such as paleomagnetism, which uses changes in the earth's magnetic field to date rock formations, could be used to further refine the age range of layer D. Ultimately, a combination of dating methods would be necessary to determine a reliable chronometric date for layer D.

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5. How might an effective vaccine given to a large percentage of the population during a
pandemic change the pandemic's outcome? Support your claim(s) using evidence from Table 1

5. How might an effective vaccine given to a large percentage of the population during apandemic change

Answers

-most of the population will be vaccinated causing ‘herd immunity’ with this even if one was to get infected itd be difficult to pass it on to others
- table 1 shows the unvaccinated numbers being much higher in infected, hospitalised and deaths when not vaccinated at all as no one has immunity to the disease
- however we can see the major decrease in these negative effects when people are vaccinated in a pandemic, as these numbers rise the infected decreased by approx 60,000 and those hospitalised decreased on average showing the positive effects of an effective vaccine

When mammals get an infection, their internal body temperature often rises 2 to 3 degrees Celsius. The body gets the energy it needs to react to an infection by -

Answers

Answer:

The correct answer is - increasing the rate of cellular respiration in the mitochondria.

Explanation:

During the infection, the body of mammals increases its temperature to kill the pathogens that normally die at high temperatures. To increase the body temperature our body promotes the rate of cellular respiration in the cells to produce more energy.

Cellular respiration is the process that helps in converting stored energy into a form of useable energy for the cell which is  ATP. It takes place in the mitochondria of the cell which is called as the powerhouse of the cell and all the function related to energy or ATP is conducted by here.

What is the term that describes the loud, high-pitched sound made with each inhalation that occurs when there is respiratory obstruction in the larynx or trachea

Answers

Stridor, its as described in the definition above, a high pitched wheezing sound caused from a blockage

Proportion of alleles present in a gene pool is called the _____ and is an important tool in measuring evolutionary changes.

Answers

The proportion of alleles present in a gene pool is called the genetic composition (Cg) and is an important tool in measuring evolutionary changes.

The genetic composition (Cg) refers to the relative frequencies of different alleles within a population's gene pool. It represents the proportion of each allele present in the population.

Alleles are alternate forms of a gene that occupy the same position (locus) on a chromosome and can produce different phenotypic effects. By analyzing the genetic composition of a population, researchers can track changes in allele frequencies over time, which provides valuable insights into evolutionary processes.

Measuring changes in the genetic composition helps in understanding the forces that drive evolution, such as natural selection, genetic drift, mutation, and migration. For example, an increase in the frequency of a specific allele in a population over generations suggests positive selection acting on that allele.

Conversely, a decrease in frequency may indicate negative selection or genetic drift. By studying the genetic composition, scientists can investigate how populations adapt to changing environments, speciation events, and other evolutionary phenomena.

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any molecule or fragment of a molecule that has the potential to trigger a specific immune response by lymphocytes is called

Answers

Any molecule or fragment of a molecule that has the potential to trigger a specific immune response by lymphocytes is called an antigen.

Antigens are substances that can be recognized by the immune system as foreign or non-self. They can be found on the surface of pathogens like bacteria, viruses, and parasites, as well as on cells or particles from foreign substances such as pollen, toxins, or transplanted organs.

Antigens can also be generated from within the body, such as in the case of cancer cells or self-antigens associated with autoimmune diseases.

When an antigen enters the body, it interacts with specialized immune cells called lymphocytes, specifically B cells and T cells. B cells produce antibodies that can bind to antigens, whereas T cells recognize antigens displayed on the surface of cells. The immune system recognizes antigens as foreign and initiates an immune response to eliminate them.

Antigens possess specific structural features called epitopes or antigenic determinants. These are regions on the antigen molecule that are recognized by specific receptors on lymphocytes called antigen receptors. The antigen receptors on B cells are antibodies, while T cells have T cell receptors.

Upon encountering an antigen, lymphocytes with receptors that can recognize and bind to the antigen are activated, leading to an immune response. This response can involve the production of antibodies, the activation of immune cells, and the elimination of the antigen.

Antigens play a vital role in the immune system's ability to recognize and mount a defense against foreign substances and pathogens.

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Pla help help science

Pla help help science

Answers

Answer: DNA molecule

Describe the general flow of energy through an ecosystem beginning with the Sun and going through a third order consumer.

Answers

Answer:

1) Autotrophs transform solar energy into chemical energy.

2) Herbivores and omnivores (primary consumers) eat producers, make use of some of the energy, making from it their biomass.

3) Following, carnivores or predators (secondary, tertiary, and other consumers) eat herbivores, using only 10% of the flowing energy.

4) Decomposers (last order in the chain) recycle all the dead organic material and make use of some of the stored energy.  

Explanation:

Energy flow: From the whole quantity of energy that reaches the earth's surface, only 0.1 or 1% is absorbed by autotroph organisms or producers.  

From this input of solar energy, it begins a unidirectional energy flow through all the organisms in the ecosystem, from autotrophs to heterotrophs, until it is finally dissipated in the environment.  

Organisms that can use light, and turn it into organic matter according to their own needs are producers, and they are called autotrophic organisms. These organisms are by excellence all plants, algae, and bacteria that photosynthesize. Organisms that are incapable of producing their food are called heterotrophic. They depend on other organisms from the trophic chain such as plants or other animals to feed on, so they can get proteins and energy.  In the trophic web, heterotrophic organisms occupy the first, second, or third consumer level, after producers.  There are different types of heterotrophic animals: carnivorous, herbivorous, omnivorous, hematophagous, ichthyophagous, and etcetera. All of them depend on autotrophic organisms.

At each trophic level, it occurs an energy transfer from one level to the next, with only 10% being usable in each of them. This assessment is called "The 10% rule". This is, as a general rule, only about 10% of the energy stored as biomass at one trophic level, per unit time, ends up as biomass at the next trophic level, in the same unit of time.

The progressive reduction of energy determines the number of trophic levels in the chain (4 or 5).  

1) Autotrophs use water, CO2, and solar energy to produce O2 and glucose, by the process of photosynthesis and convert it into biomass. Producers transform solar energy into chemical energy.

2) Herbivores and omnivores (primary consumers) make use of some of this energy to survive, making from it their biomass. The rest of the energy is lost.

3) Following, carnivores or predators (secondary, tertiary, and other consumers) eat herbivores, using only 10% of the flowing energy. The rest of the energy is lost.

4) When different organisms die, decomposers (last order in the chain) recycle all the organic material and make use of some of the energy stored in their tissues. The rest is lost.

human chorionic gonadotropin (hCG)
The hormone produced by cells around the embryo that maintains the corpus luteum and pregnancy is called

Answers

The hormone produced by cells around the embryo that maintains the corpus luteum and pregnancy is called human chorionic gonadotropin (hCG).



Human chorionic gonadotropin (hCG) is a hormone that is produced by cells around the embryo, that is, trophoblastic cells that develop into the placenta, after fertilization. Its main function is to maintain the corpus luteum during the early stages of pregnancy. The corpus luteum is a temporary endocrine structure that develops after the release of an egg from the ovary, that is, after ovulation. It produces progesterone, which is essential for the maintenance of pregnancy in humans.

If an egg is fertilized by a sperm, the resulting embryo secretes hCG, which signals the corpus luteum to continue producing progesterone. This is necessary to prevent the lining of the uterus from shedding and to maintain the pregnancy. If the corpus luteum did not receive this signal, it would degenerate after about 12 days, and progesterone levels would decline. This would cause the lining of the uterus to be shed and menstruation to occur. The levels of hCG in a woman's blood and urine can be used to diagnose pregnancy. hCG levels rise rapidly in the first few weeks of pregnancy and can be detected by a blood or urine test. After about 10 weeks of pregnancy, hCG levels start to decline and eventually level off.

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The highest possible recombination rate is 1.0. True or False

Answers

The highest possible recombination rate is 1.0. is false.The highest possible recombination rate is 0.5. This is because it is the maximum rate at which two loci can be recombined.

When two loci are situated on different chromosomes, their maximum recombination frequency can be 50%, or 0.5, which means that half of their progeny will have recombined chromosomes. It is possible to have a recombination frequency greater than 50%, but this occurs when one of the two loci is present in the middle of the chromosome. In this case, it is possible to have two recombinant chromosomes that are produced.

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What happen when the magma flows out from the crack when the seafloor is pulled apart?

Answers

When the magma flows out from the crack when the seafloor is pulled apart, it forms new crust on the seafloor. When two tectonic plates are pulled apart, magma rises from the mantle to fill the gap and creates new crust on the seafloor. This process is known as seafloor spreading.

As the magma rises, it can flow out of cracks in the Earth's crust, creating volcanic eruptions on the seafloor.The magma that is erupted onto the seafloor is called basaltic lava. This type of lava is thin and runny, which allows it to flow easily over long distances. As the lava cools and hardens, it forms a new layer of crust on the seafloor. When two tectonic plates move away from each other, magma rises from the mantle to fill the gap created by the diverging plates. This magma is less dense than the surrounding rock and so it rises to the surface, where it solidifies to form new crust on the seafloor. This process is known as seafloor spreading.

During seafloor spreading, magma can also flow out of cracks in the Earth's crust. When this happens, it creates a volcanic eruption on the seafloor. The magma that is erupted onto the seafloor is called basaltic lava.Basaltic lava is thin and runny, which allows it to flow easily over long distances. As the lava flows, it cools and hardens, forming a new layer of crust on the seafloor. This new crust is made up of basalt, a type of rock that is rich in iron and magnesium.Seafloor spreading is responsible for the creation of new oceanic crust. Over time, this crust moves away from the spreading center, which creates new seafloor. As a result, the ocean floor is constantly being renewed and replaced.

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When magma flows out from a crack as the seafloor is pulled apart, it forms a new oceanic crust in a process called seafloor spreading.

1. The seafloor is made up of tectonic plates, which are large pieces of Earth's crust that float on the semi-fluid mantle layer below.
2. When these plates move apart, they create a gap or crack in the seafloor called a divergent boundary.
3. Magma, which is molten rock beneath the Earth's surface, rises up through the crack due to the reduced pressure caused by the separation of the plates.
4. As the magma reaches the surface, it cools and solidifies to form new oceanic crust.
5. This process is known as seafloor spreading because the new crust is continuously being created at the divergent boundary and pushing the existing crust away on both sides.
6. Over time, the accumulated new crust forms underwater mountain ranges known as mid-ocean ridges.

Example:
An example of seafloor spreading is the Mid-Atlantic Ridge. The North American Plate and the Eurasian Plate are moving apart, and magma rises up to fill the gap, creating new oceanic crust. As the magma cools and solidifies, it forms the Mid-Atlantic Ridge, which extends down the center of the Atlantic Ocean.

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What is the primary goal of cellular respiration in eukaryotes?

Answers

Answer:

Cellular respiration

Explanation:

Cellular respiration in eukaryotes occurs primarily in the mitochondria. Eukaryotic cells depend on cellular respiration to survive. During glycolysis, the cell breaks down glucose in the cytoplasm with or without oxygen present.

50 POINT + BRAINLYEST PLZZZZ UNGENTS!!
2 Paragraphs s describing the full carbon cycle. Be sure to use full sentences
and proper grammar.

Answers

Answer:

      Carbon is the foundation of all life on Earth, required to form complex molecules like proteins and DNA. Carbon helps to regulate the Earth's temperature, makes all life possible, is a key ingredient in the food that sustains us, and provides a major source of the energy to fuel our global economy. The carbon cycle describes the process in which carbon atoms continually travel from the atmosphere to the Earth and then back into the atmosphere. Since our planet and its atmosphere form a closed environment, the amount of carbon in this system does not change. Where the carbon is located in the atmosphere or on Earth is constantly in flux.

       On Earth, most carbon is stored in rocks and sediments, while the rest is located in the ocean, atmosphere, and in living organisms. Carbon is released back into the atmosphere when organisms die, volcanoes erupt, fires blaze, fossil fuels are burned, and through a variety of other mechanisms. In the case of the ocean, carbon is continually exchanged between the ocean's surface waters and the atmosphere, or is stored for long periods of time in the ocean depths. Humans play a major role in the carbon cycle through activities such as the burning of fossil fuels or land development. As a result, the amount of carbon dioxide in the atmosphere is rapidly rising; it is already considerably greater than at any time in the last 800,000 years.

Brainlist Pls!

Agricultural chemicals are one source of water pollution. What is one way we can reduce their effects?"
a. biological magnification
b. nonpoint source pollutant
c. integrated pest management
d. sewage treatment

Answers

Answer:

what I think it is it's C?

I think it’s C hope it helps

How many atoms of carbon are on the reactants side?

6H2O + 6CO2 ---------> C6H12O6 + 6O2

Answers

The number of atoms of carbon on the reactant's side would be 36.13 x \(10^{23\) atoms.

Number of atoms in moles of a substance

According to Avogadro, 1 mole of a substance will contain 6.022 x \(10^{23\) atoms of the substance.

From the equation, the number of moles of carbon atoms on the reactant's side is 6 moles.

1 mole of a substance = 6.022 x \(10^{23\)

6 moles of carbon atom = 6.022 x \(10^{23\) x 6/1

                                        = 36.13 x \(10^{23\) atoms

In other words, the number of atoms of carbon on the reactant's side is 36.13 x \(10^{23\) atoms.

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Which accurately labels the cytoplasm?
w
Х
Y
Z

Which accurately labels the cytoplasm?wYZ

Answers

Answer:

Y is the answer

Explanation:

I am 100%sure that the answer is Y

HELP QUICK GIVING BRAINLIEST Data Analysis - Plant ranking:
1
2
3
4
5
6
7

Answers

Answer:

1.Sea oats

2.European beach grass

3.American beach grass

4.Bitter panicum

5.Salt meadow cord grass

6.Seashore elder

7.Coastal panic grass

Explanation:

I’ll answer so you can give the other person brainliest plus it gives me free points

HELP ME!!
What is cancer?
addition of new cells to replace damaged cells
DNA replication
cellular death
uncontrolled cell division

Answers

Answer: uncontrolled cell division

Explanation: uncontrolled cell division forms a cancer turmor which can kill.

Which of the following is NOT utilized to culture viruses?

A) animal cell cultures

B) embryonated eggs

C) laboratory animals

D) culture media

E) bacterial cultures

Answers

Answer: D

Explanation:viruses need a cell to grow and survive

what is important for classifying hiv as a retrovirus?

Answers

Classifying HIV as a retrovirus has significant implications for its diagnosis, treatment, and our understanding of its life cycle and genome.

HIV is a retrovirus, and it is crucial to classify it as one for various reasons. A retrovirus is a type of virus that utilizes reverse transcription to replicate its genetic material, i.e., RNA to DNA. HIV is a virus that works in this manner. Thus, it belongs to the retrovirus family.

The following are some of the reasons why it is crucial to classify HIV as a retrovirus: Pharmacological implications HIV's retroviral nature has a significant effect on its treatment. As a retrovirus, HIV requires an enzyme known as reverse transcriptase to synthesize viral DNA from RNA. Thus, reverse transcriptase inhibitors have been critical in HIV treatment.

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18
Drag the tiles to the correct boxes to complete the pairs.
Match the components of MSW landfill to its description.
cells
bottom liner
groundwater monitoring stations
leachate collection system
A system of pipes that collect contaminated water that seeps into the
bottom of a landfill.
They are approved areas for waste disposal.
The landfill part that prevents the contact of buried waste with underlying
soils and groundwater.
They are built to test the presence of leachate chemicals in the
groundwater around the landfill.
17

18Drag the tiles to the correct boxes to complete the pairs.Match the components of MSW landfill to its

Answers

A system of pipes that collect contaminated water that seeps into the

bottom of a landfill- leachate collection system.

What is leachate collection system?

A network of perforated pipes makes up leachate collecting systems, which are primarily used to transport leachate to sumps so it may be removed from solid waste landfills. This minimises leachate migration to the environment by preventing leachate collection on the liner system. The liquid is either pumped or drained after being collected at the sumps. The leachate is then either discharged to an on-site treatment facility or transported to off-site treatment facilities, depending on the condition of the leachate.

What is water contamination?

The phrase "water contamination" refers to any harmful elements that are contaminating a water source. The water source may be ponds, lakes, seas, oceans, or reservoirs where people take baths and drink water. This may include both biological and chemical ingredients. Chemical runoff from residences and businesses, as well as occasionally waste products from people or animals, are the most frequent causes of water contamination.

They are approved areas for waste disposal- cells

The landfill part that prevents the contact of buried waste with underlying

soils and groundwater- bottom liner

They are built to test the presence of leachate chemicals in the

groundwater around the landfill- groundwater monitoring stations.

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Answer:

1. Leachate collection system

2. Cells

3. Bottom Liner

4. Groundwater monitoring stations

18Drag the tiles to the correct boxes to complete the pairs.Match the components of MSW landfill to its

A parent cell has 24 chromosomes at the beginning of interphase. How many chromatids will it have during prophase? 48 24 12 06 Which of the following best describes a major difference between plant cells and animal cells? O Only plant cells use cellular respiration. Only plant cells have a nucleus containing DNA. Unlike plant cells, animal cells cannot make their own food. Only animal cells have a cell wall.

Answers

During prophase, the parent cell will have 48 chromatids. This is because during interphase, the DNA replicates, resulting in each chromosome consisting of two sister chromatids.

Therefore, if the parent cell has 24 chromosomes, it will have a total of 48 chromatids during prophase.

Regarding the major difference between plant cells and animal cells, the most accurate statement is: "Only plant cells have a cell wall." Plant cells have a rigid cell wall made of cellulose, which provides structural support and protection to the cell. Animal cells, on the other hand, do not have a cell wall. Hence option D is correct.

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The forelimbs of horses and frogs are considered to be homologous structures. the best evidence for this homology is that the forelimbs have?

Answers

The best evidence for this homology is that the forelimbs have a common embryological origin.

In the field of evolutionary studies, homologous structures can be described as parts of the body of an organism that share a common ancestor but have different functions over time.

Homologous structures will have a common embryological origin because they have the same ancestor. Hence, if the forelimbs of horses and frogs are homologous structures then this means that the best evidence to support this perception will be to look for a common embryological origin.

The forelimbs of horses and frogs have different functions to perform but show the same ancestral origin. This is an example of homologous structures. On the other hand, structures that have the same functions but no common origin are referred to as analogous structures.

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Biology B (CR) (ACC. Ed)(Dixon) / Principles of Evolution
3. How many total, non-unique alleles are there for each gene in a population of 250 humans?
A 125
B 1000
C 500
D 250

Answers

Answer:

C. 500

Explanation:

Each human has 2 alleles, which you do 250*2, getting 500

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