A student drew a model showing the process of photosynthesis. In this activity, you will review that model and answer questions about it. Part A
Question
Drag each tile to the correct location. Label the model to show the process of photosynthesis. ADP Calvin cycle chloroplast CO2 granum H2O O2 radiant energy sugar

Humans have an S-shaped spine, which is unique to mammals due to bipedalism. This S-shaped spine results in many humans experiencing back pain.

According to Shubin, two common back problems humans experience are sciatica and spondylolisthesis. Sciatica is a condition caused by a herniated disk in the lower back that puts pressure on the sciatic nerve and causes pain and numbness in the leg and buttocks. Spondylolisthesis is a condition where one vertebra slips over the vertebra beneath it, leading to pain in the lower back and buttocks.

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According to the passage, Option D: lack mechanisms for metabolic function is the reason why viruses are considered as living.

A virus is an infectious submicroscopic creature that only reproduces inside of live cells. All kinds of life, including plants, animals, and microbes like bacteria and archaea, are infected by viruses. It cannot be considered living so far as it lacks metabolic function.

The primary criteria used to classify viruses are features of the viral particles themselves, such as the form of the capsid, the kind of nucleic acid (DNA or RNA, double or single stranded), the replication process, the host species they infect, or the disease they cause.

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Complete question is:

Scientific researchers discovered agents that behaved like bacteria causing diseases such as rabies and hoof-and-mouth, but were much smaller. At this time it became the general view that viruses were biologically "alive." This changed in 1935 when the tobacco mosaic virus was crystallized and scientists demonstrated that the particles lacked any mechanisms necessary for metabolic function.  It was determined that viruses consisted of a nucleic acid, DNA or RNA, surrounded by a protein shell and the scientific view changed: viruses are complex biochemical mechanisms but not alive. When not in contact with a host, the virus remains dormant. During this time there are no biological activities occurring and the virus is nothing more than a static organic particle. In this state viruses can remain for extended periods of time, waiting to come into contact with the appropriate host. When in contact with a host, it becomes active, reacts to its environment and/or host and directs its efforts toward self-replication. The viral goal now is to produce more viruses to attack host cells.

According to the passage all BUT ONE is a reason to classify viruses as living. That is they A) are capable of protein synthesis. B) contain a nucleic acid, DNA or RNA. C) response to changes in the environment. D) lack mechanisms for metabolic function

Identical twins are considered natural clones since they emerge from the same zygote and share the same genetic material. D) Kijana and Elroi share 100% of their segregating genes.

Identical twins emerge after the division of an ovule fertilized by a sperm cell. This is, fertilization occurs first, and then the division of the diploid cells.

The fertilized diploid cell suffers a division, separate, and two identical cells are created carrying the same genetic material. Each of them will then suffer successive mitosis and develop a new individual.

As a result, identical twins always have the same genome and the same sex. The genetic sequences in the identical twins' genome are almost identical and minimum.

These identical twins are also known as monozygotic twins and are said to be natural clones.

Option D. Kijana and Elroi share 100% of their segregating genes.

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As identical twins, kijana and elroi share what percentage of their segregating genes? group of answer choices a. 25% b. 50% c. 75% d. 100%

Most psychoneuroimmunologists would likely agree that the immune system works in close conjunction with other body systems.

Psychological processes, the nervous system, and the immune system are interconnected, with the brain and the immune system having both direct and indirect connections.

The fields of psychology, neuroscience, and immunology have all provided evidence that psychological and neurological factors can influence the functioning of the immune system and vice versa. Psychological factors, such as stress and mood, have been linked to a variety of physiological reactions in the body, including inflammation and changes in immune function. This indicates that psychological processes and the nervous system may play a role in immune function modulation.

This interdisciplinary approach has led to the development of the field of psychoneuroimmunology, which studies the complex interactions among these systems.

Psychoneuroimmunology is the study of the impact of psychological and social factors on the immune system and the body's response to disease. The concept of psychoneuroimmunology has emerged as a result of recent developments in neuroimmunology, which is the study of the nervous system and the immune system's interactions.

Therefore, they will most likely not agree that the immune system works completely independently of other body systems or that there are no direct connections between the brain and the immune system, only indirect ones. The endocrine system and the immune system also interact with one another, and there is a growing body of research on the role of hormones such as cortisol and epinephrine in immune system function.

Thus, psychoneuroimmunologists may not agree that the endocrine system works completely independently of other body systems.

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A forest found in a broad belt in Northern Eurasia and North America, where conifers predominate is called the Taiga.

The term “Taiga” comes from the Russian word for forest or woodland. It is the largest terrestrial biome on earth, covering approximately 17 million square kilometers, or 11% of the earth's land area. It is primarily found in high latitudes, just south of the Arctic tundra.

Taiga Forests are located across northern Russia, Mongolia, Scandinavia, Alaska, and Canada. There are distinct seasons in the Taiga, with long, cold winters and short summers. Due to the region's high latitude and the tilt of the earth, the sun's rays are scattered, leading to long periods of darkness during the winter.

The summer is brief and characterized by 24 hours of daylight in some locations. The Taiga is a region of coniferous trees, including spruce, pine, and fir trees. These trees have adapted to the harsh environment, with their needles remaining green all year to capture sunlight during the brief summer months.

The Taiga is also home to a variety of mammals, including bears, wolves, lynx, and moose. In the winter, some animals hibernate, while others migrate to warmer regions.

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The feedback mechanism of hormone release is a regulatory process by which the production and release of hormones such as estrogen and progesterone are controlled in response to changes in the body's internal and external environment.

Increased levels of estrogen and progesterone will result in positive feedback to the anterior pituitary to increase LH and FSH production. This normally occurs during the follicular stage.

Low levels of estrogen and progesterone will result in negative feedback to the hypothalamus to decrease GnRH production. This normally occurs during the luteal stage.

Extremely high levels of estrogen near the end of the follicular phase will result in positive feedback to the hypothalamus and anterior pituitary to release a large amount of LH to trigger ovulation.

Some hormones are used in oral contraceptive pills to suppress the release of FSH and LH. Without FSH, immature follicles do not develop into a mature ovum, and without LH, a mature ovum is not released into the Fallopian tube.

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Complete question:

Drag and drop the missing words from the list below to complete the following sentences. Words may be used more than once.

Increased levels of estrogen and progesterone will result in ____ feedback to the anterior pituitary to ____ _____

production. This normally occurs during the ____

Low levels of estrogen and progesterone will result in ____ feedback to the hypothalamus to _____ _____

production. This normally occurs during the _____

Extremely high levels of estrogen near the end of the follicular phase will result in ____ feedback to the hypothalamus and anterior pituitary to release a large amount of ____  to trigger ovulation.

Some hormones are used in oral contraceptive pills to suppress the release of ____  without ____ a mature ovum is not released into the Fallopian tube and without ____ immature follicles do not develop into a mature ovum.

negative

positive

increase

decrease

LH

FSH

LH and FSH

GnRH

follicular stage

luteal stage

The main causes of childhood obesity are lifestyle factors, such as insufficient exercise and a diet high in calories. Yet, it's possible that hormonal and genetic factors as well. Thus, option C is correct.

In order to evaluate the prevalence of obesity among Bangladeshi teenagers between the ages of 14 and 19 in this study, the survey and physical examination were only completed once.

Although various illnesses and genetics might contribute to obesity in adolescents, inactivity and ingesting more calories than necessary for activity level are the main causes of teenage obesity.

The participants in the trial were not followed over time to monitor changes in their weight or health status.

Therefore, To determine the prevalence of an illness or health condition in a community at a certain moment, cross-sectional studies are frequently performed.

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Simply put, probability is the likelihood that something will occur. When we don't know how an event will turn out, we might discuss the likelihood or likelihood of several outcomes.

Yellow fruit = 40%

Red fruit = 100-40

= 60%

= 0.6

Fuzzy fruit = 30%

Hairless fruit = 100-30

= 70%

= 0.7

The probability for red and hairless fruit = 0.6*0.7

= 0.42

= 42%

The number for red and hairless fruit = 100*0.42

= 42

The probability is often defined as the proportion of positive outcomes to all outcomes in the sample space. Probability of an event P(E) = (Number of positive outcomes) is how it is stated (Sample space).

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The expected maintenance rate prescribed by the HCP fοr the intravenοus fluid fοr Henry wοuld be apprοximately 62.5 ml/hοur.

Tο calculate the expected maintenance rate fοr Henry, we can use the Hοlliday-Segar methοd, which recοmmends a maintenance fluid rate οf 100 ml/kg/day fοr the first 10 kg οf bοdy weight, plus 50 ml/kg/day fοr the next 10 kg οf bοdy weight, plus 20 ml/kg/day fοr any additiοnal bοdy weight.

Based οn Henry's weight οf 4000 gm (which is 4 kg), his expected maintenance fluid rate wοuld be:

100 ml/kg/day x 10 kg = 1000 ml/day fοr the first 10 kg οf bοdy weight

50 ml/kg/day x 10 kg = 500 ml/day fοr the next 10 kg οf bοdy weight

20 ml/kg/day x (4 kg - 20 kg) = 0 ml/day fοr any additiοnal bοdy weight

Sο, the expected maintenance fluid rate fοr Henry wοuld be:

1000 ml/day + 500 ml/day = 1500 ml/day

Tο cοnvert this tο an hοurly rate, we can divide by 24 (the number οf hοurs in a day):

1500 ml/day ÷ 24 hοurs/day ≈ 62.5 ml/hοur

Therefοre, the expected maintenance rate prescribed by the HCP fοr the intravenοus fluid fοr Henry wοuld be apprοximately 62.5 ml/hοur.

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In massively parallel sequencing techniques, the DNA to be sequenced is sheared into small pieces and small oligonucleotides called adapters are attached to the ends of the DNA fragments. These adapters serve two primary functions: to anneal to a PCR primer and to attach the DNA fragment to a solid substrate.

The adapters anneal to the PCR primers, which allows for the replication of the DNA fragment during the polymerase chain reaction (PCR). This PCR amplification step helps increase the number of copies of the DNA fragment so that it can be more easily sequenced.

The adapters also attach the DNA fragments to a solid substrate. This substrate could be a glass plate, an array, or beads, which allow for the physical separation of the DNA fragments during the sequencing process.

Therefore, the correct options for the blanks are Anneal to a PCR primer and Attach the DNA fragment to a solid substrate.

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Canine teeth in wolves are a structural adaptation.

To determine the proper concentration of insecticides needed to kill mosquitoes, you should consider: the type of insecticide being used, the characteristics of the environment in which it will be used, and the intended result.

First, research the type of insecticide that is most effective at killing mosquitoes that carry the West Nile virus. It is important to understand the properties of the insecticide in order to assess how it will interact with the environment.

Next, consider the environmental characteristics, such as the size of the area being treated, the amount of wind or sun exposure, and the presence of other organisms in the area. Finally, set the appropriate concentration of insecticides that is necessary to achieve the desired result: killing the mosquitoes that carry the West Nile virus.

It is important to keep in mind that the concentration needed to kill mosquitoes should not be excessive and should not cause harm to other organisms in the environment.

Therefore, it is critical to closely monitor the insecticide concentration in order to ensure that it is at an appropriate level. Additionally, it is important to assess the effectiveness of the insecticides and make changes as needed.

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A cytotoxic autoimmune reaction is described as "cells are killed."

The immune system protects the body from external agents that can cause harm by targeting and removing them.

The immune system's function is to recognize foreign organisms and molecules, such as bacteria, viruses, fungi, and toxins, and respond to them by producing an immune response or immunologic memory.

A cytotoxic autoimmune response is a type of autoimmune response. The immune system mistakenly attacks and kills the body's cells in this reaction.

This condition causes an inflammatory reaction, which can cause tissue damage and a variety of symptoms. It may lead to the destruction of healthy cells if the immune system perceives them as foreign or dangerous.

As a result, the immune system's T-cells and antibodies attack the body's own cells.

Therefore, the correct option that describes a cytotoxic autoimmune reaction is "cells are killed."

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From oldest to youngest, the rock layers are A, B, and C, with the fault and igneous intrusion cutting through them afterwards.

The Principle of Cross-cutting Relationships, which holds that rock formations that cut across other rocks must be younger than the rocks they cut over, is another essential component of relative dating. This idea makes sense when considering the formation of rocks.

The geologic structure that crosses another structure is considered to be younger than the structure it crosses, according to the cross-cutting relationships principle.

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Answer:

300,000

Explanation:

because 12,000 X25

Answer:

The answer is A. Container 1.

Explanation:

Based on the data provided, Container 1 is most likely the one in which photosynthesis was not occurring. This is because the amount of CO2 remaining in Container 1 after 2 days was 100 cubic centimeters, which is the highest amount of CO2 remaining among all four containers. This suggests that the plants in Container 1 did not use as much CO2 for photosynthesis as the plants in the other containers, indicating that photosynthesis was likely not occurring at the same rate as in the other containers. The other containers all had less CO2 remaining, suggesting that photosynthesis was occurring more efficiently in those containers.

Why is it A? Container 1 is where the plant probably didn't do photosynthesis because it had the most CO2 left after 2 days, while the other containers had less CO2 left. This means that the plant in Container 1 did not use as much CO2 for photosynthesis as the plants in the other containers, suggesting that photosynthesis was not occurring at the same rate as in the other containers.

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The embryonic structure that produces human chorionic gonadotropin (HCG) is the syncytiotrophoblast.

Human chorionic gonadotropin (HCG) is a hormone that is produced in large quantities during pregnancy. The syncytiotrophoblast is a structure found in the placenta that is responsible for producing and secreting HCG. HCG is produced by the syncytiotrophoblast soon after the implantation of the fertilized egg in the uterus.

It is important for the maintenance of pregnancy and plays a crucial role in early pregnancy. It helps to regulate the levels of other hormones like estrogen and progesterone that are essential for pregnancy. HCG levels in the blood and urine are used to confirm pregnancy and to monitor the health of the developing fetus.

So, the correct answer is the syncytiotrophoblast.

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Answer:

blood clotting

Explanation:

Sweating and shivering are negative feedback, your coach complimenting you has nothing to do with homeostasis ;)

1) The extent to which CRISPR use should be allowed; 2) access to CRISPR applications; and 3) if a regulatory framework (or frameworks) for clinical research involving human subjects could be able to handle.

Most scientists concur that CRISPR-Cas9 should be permitted for use in developing human disease models and studying the molecular processes of diseases, but that it should be outlawed for eugenic or enhancing goals.

Hazards to human health: The possibility for off-target genome editing impacts is the main concern connected to CRISPR/Cas9 technology. Human DNA can develop site-specific DNA alterations as a result of CRISPR/Cas9 technology.

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Before you report this answer! Please read the bolded sentences!

I promise it's not fake or anything like a scam! But if you trust me, you can look up, "Why we need citizens' participation in the time of Corona"

I will copy and paste a paragraph from the site

During the COVID-19 pandemic we witness the increased use of rapid executive decisions by governments, based on scientific advice. What role does that leave for citizens participation? An important one. Because good policy solutions depend on scientific expertise and the lived reality of citizens.

Citizens’ perceptions and concerns are by definition biased, but they represent a reality which is at least as important as the scenarios perceived by scientists. Based on that, I would like to highlight three arguments in particular that underline the importance of active and effective citizens’ participation in the times of Corona.

I really hope this helps!

Public participation is important in a democratic society during the pandemic for several reasons, such as responsiveness and transparency. Public participation in decision-making during the pandemic is important for transparency, accountability, responsiveness, etc.

Public participation is crucial for ensuring transparency in the decision-making process during the pandemic. When citizens are involved in the decision-making process, they are better informed about the policies and procedures being implemented to manage the pandemic. This creates a sense of accountability on the part of the government, which is important for maintaining public trust and confidence. Public participation also ensures that the policies and procedures being implemented are responsive to the needs and concerns of the public. When citizens are actively involved in the decision-making process, they are better able to communicate their needs and concerns to the government.

Hence,  Public participation is important in a democratic society during the pandemic for several reasons, such as responsiveness and transparency.

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The four main families of biochemicals (macromolecules) are nucleic acids, proteins, carbohydrates, and lipids.

Nucleic acids, such as DNA and RNA, are composed of nucleotides, which are made up of a phosphate group, a sugar (deoxyribose or ribose, respectively), and a nitrogenous base. DNA is composed of four nitrogenous bases (adenine, thymine, cytosine, and guanine) while RNA has adenine, thymine, cytosine, and uracil.

Proteins are composed of amino acids and form the four levels of structure: primary (linear sequence of amino acids), secondary (alpha helix or beta pleated sheet), tertiary (3D folding of the polypeptide chain), and quaternary (more than one polypeptide chain).

Carbohydrates are composed of monosaccharides (simple sugars like glucose), disaccharides (double sugars like sucrose), polysaccharides (many sugars like starch or glycogen), and polyalcohols (like glycerol).

Lipids are composed of fatty acids, alcohols, and carboxyl groups. Fatty acids are chains of hydrocarbons with a carboxyl group at one end, while alcohols have a hydroxyl group at the end. Phospholipids, which form cellular membranes, are made of two fatty acids, a phosphate group, and a hydrophilic head group.

Waxes are also lipids, composed of long chains of fatty acids with an alcohol attached to one end. Cholesterol is a lipid composed of four fused hydrocarbon rings with hydroxyl and methyl groups attached.

In conclusion, the four main families of biochemicals are nucleic acids, proteins, carbohydrates, and lipids, each composed of different components.

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16% of the population are non-tasters and are recessive for the tasting gene. This means that 48% of the population is either homozygous for the trait (able to taste the chemical PTC) or heterozygous for the trait (able to taste the chemical PTC but carrying a recessive gene). Therefore, the percentage of the population that is heterozygous for the trait is 48%.

If 16% of a population is unable to taste the chemical PTC, then the frequency of the recessive allele (t) in the population can be calculated using the Hardy-Weinberg equation:

[tex]p^{2} + 2pq + q^{2} = 1[/tex]

where p is the frequency of the dominant allele (T) and q is the frequency of the recessive allele (t).

Since the non-tasters are homozygous recessive (tt), we know that:

[tex]q^{2}[/tex] = 0.16

Taking the square root of both sides gives:

q = [tex]\sqrt{0.16}[/tex] = 0.4

Now, we can use the equation to calculate the frequency of the heterozygous genotype (Tt):

2pq = 2(0.6)(0.4) = 0.48

Therefore, approximately 48% of the population is heterozygous for the trait.

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Answer: During the light-dependent stage (“light” reactions), chlorophyll absorbs light energy, which excites some electrons in the pigment molecules to higher energy levels; these leave the chlorophyll and pass along a series of molecules, generating formation of NADPH (an enzyme) and high-energy ATP molecules.

But in simple words, the energy of sunlight is used to oxidize water.

The cells that form a protective barrier to the vascular system of a root and prevent water from leaking out under pressure from the stele are the endodermis cells.

The endodermis cells form a continuous cylinder around the root, known as the endodermic cylinder, through which all materials must pass before reaching the stele. This cylinder is composed of a thick band of tightly packed cells with a waxy cuticle, which prevents water from passing through and maintains pressure in the stele.

The epidermal cells of a root form a protective barrier to the vascular system, where all materials must move through the symplast and prevent water from leaking out under pressure from the stele.

In botany, symplast is a continuum of living plant tissues consisting of the cytoplasm of living cells and the plasmodesmata that interconnect them. This means that the symplast is the living component of the plant, with every living cell containing a part of it that is contiguous with other living cells, forming a continuous cytoplasmic space that extends through the entire plant.

It should be noted that water can be lost through the cuticle and cell wall of root hairs, which is not related to the stele. To prevent water from being lost, the root endodermis, a single layer of cells enclosing the vascular tissue, can be selectively permeable to water, causing it to move into the xylem via the apoplast rather than the symplast, where it can be transported up the plant.

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Answer:D

Explanation: Genetics are often times how creatures adapt to their environment and often times start as mutations that just work, therefore protecting an organism from a death from natural selection.

Answer: 

---poses a risk of extinction when environments are unstable. 

Explanation:

-Having no variation within species poses a risk of extinction when environments are unstable. If species did not vary or there are no differences in traits exhibited among the populations, then by definition there is no evolution, as evolution refers to the change in allelic frequency in a given population.

Two resources that bacteria will need to complete for as the population grows are : C. Space  D. Food

Bacteria are ubiquitous, free-living organisms and often consisting of one biological cell.

The bacteria will need food and space as the population grows larger. While light and oxygen may be important for some types of bacteria, the question specifies that bacteria are growing on a gel that provides nutrients, so it's safe to assume that they already have access to the necessary nutrients.

As the population of bacteria grows, they will need more space to spread out and access to more food to sustain their increased metabolism and growth. Oxygen may also become a limiting factor if population becomes too dense and uses up the available oxygen in Petri dish.

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The changes that occur during metaphase are highlighted in the section below in detail.

During metaphase, the spindle fibers attach to the centromeres of the chromosomes and align them in the center of the cell, the nuclear envelope breaks down, and microtubules move the chromosomes to opposite poles of the cell.

The centrosomes move to opposite poles of the cell, the kinetochores of the chromosomes attach to the spindle fibers, the chromosomes condense and become visible, and the asters form around the centrosomes.

In conclusion, the chromosomes are at their second-most compacted and coiled state during the mitotic phase of the eukaryotic cell cycle, known as metaphase.

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The stress in spring with Young's modulus is equivalent to 300 Pascals, given that its deformation is 30. The stress in the spring is 9000 Pascals.

Firstly, it's important to note that stress and deformation are related to each other through Hooke's law, which states that stress is proportional to deformation for a linearly elastic material like a spring.

Mathematically, this can be represented as:

Stress = Young's modulus × Deformation

Substituting the given values into the equation, we get:

Stress = 300 Pa × 30

Stress = 9000 Pa

It's important to note that stress is a measure of force per unit area, so it's important to specify the cross-sectional area of the spring to fully define the stress. Additionally, the units of stress can vary depending on the system of units used, but in this case, Pascals are used, which are the SI units of stress.

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Complete question:

Determine the stress in a spring with Young's modulus equal to 300 Pascals, if its deformation is 30.