Two students below described a part of Earth's innermost layer:

Daniel: Densest part
Joshua: Has highest temperature and pressure

HELP ASAP PLSS
Which part of the innermost layer did Daniel and Joshua describe?

They both described the outer part.
They both described the inner part.
Daniel described the outer part and Joshua described the inner part.
Daniel described the inner part and Joshua described the outer part.

Answer:

the answer is option c cellulose..

Explanation:

Cellulose is a molecule, consisting of hundreds – and sometimes even thousands – of carbon, hydrogen and oxygen atoms. Cellulose is the main substance in the walls of plant cells, helping plants to remain stiff and upright. Humans cannot digest cellulose, but it is important in the diet as fibre.

Starch or amylum is a polymeric carbohydrate consisting of numerous glucose units joined by glycosidic bonds. This polysaccharide is produced by most green plants as energy storage

Glycogen is a multibranched polysaccharide of glucose that serves as a form of energy storage in animals, fungi, and bacteria. The polysaccharide structure represents the main storage form of glucose in the body.

hope it helped you and the answer is correct

The term that is used for structure and not for energy is cellulose, which is difficult to break apart. The correct option is c.

A molecule called cellulose is made up of hundreds, and occasionally even thousands, of carbon, hydrogen, and oxygen atoms. The primary component of plant cell walls, cellulose, keeps plants rigid and upright.

A polymeric carbohydrate known as starch or amylum is made up of many glucose units connected by glycosidic linkages. Most green plants synthesize this polysaccharide as a form of energy storage.

Animals, fungi, and bacteria all use the multibranched polysaccharide of glucose known as glycogen to store energy. The primary form of glucose storage in the body is represented by the polysaccharide structure.

Therefore, the correct option is C) cellulose, which is difficult to break apart.

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These are equations that represent chemical reactions using chemical formulae and symbols. In a chemical equation, the reactants are represented on the left and the products are on the right.

These are the top 5 categories of chemical reactions: Combination reaction. reaction of decomposition. Reaction in combination. Any reaction wherein two or even more reagents combine to generate a single result is known as just a group of compounds.

For photosynthesis to occur, sunlight, carbon dioxide, and water are required as the initial reactants. After photosynthesis is complete, it produces molecules containing carbohydrates, most typically glucose, and releases oxygen into the atmosphere. These sugar molecules hold the energy needed for survival.

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Answer:

Elasticity

Explanation:

This allows a comodating the stretch that occurs in vessels and other organs during the movents of the body

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Answer:

B Contact your supervisor

Answer:

Development of simple bacteria --> RNA formation --> DNA formation

Explanation:

The sequence of events best describes the current theory of the origin of life on Earth development of simple bacteria --> RNA formation --> DNA formation.

According to the hypothesis and researchers, it seems to confirm that RNA was the first genetic or hereditary material that was present in the simple form of bacteria developed first.

RNA is the molecule responsible for the origin of life on the earth and evolved all the required processes and methods for carrying and expressing the genetic information of an organism before DNA. DNA is evolved from RNA molecules of simple bacteria.

Nucleic acid is one of the biological molecules in living organisms. The two types of nucleic acids are DNA and RNA. DNA (deoxyribonucleic acid) is a double stranded biological molecule that stores genetic information in living cells. They are made up of monomers called nucleotides.

Therefore, The sequence of events best describes the current theory of the origin of life on Earth development of simple bacteria --> RNA formation --> DNA formation.

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The change to the investigation that would remove the source of the error noticed by the scientist is to test a fourth group, in which the participants do not receive the mineral supplement (option A).

A controlled experiment is an experiment designed to replicate the main experiment in every way, except in respect of the one variable that is being tested, so as isolate the effect of that variable.

In other words, a control is introduced in the experimentation process. A control is group of test subjects left untreated or unexposed to the independent variable.

According to this question, a company is testing the effect of a mineral supplement on common cold. The experimental procedure is okay except that they didn't include a fourth group, which will serve as the control.

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Answer:

Nondisjunction (during meiosis in gametogenesis)

Explanation:

This is meiosis because we can see germ cells present, and the chromosome number is halved (typically) by the end of the process. This is nondisjunction because the sister chromatids/chromosomes are failing to separate properly during cytokinesis, causing improper amount of chromosomes in the germ cells. So on the left you have nondisjunction during meiosis II, because you have two cells with the proper amount of chromosomes after the first division. And on the right you have nondisjunction during meiosis I, because you have one cell with no chromosomes after the first division. The steps are as follows: 1 - Meiosis, 2 - Meiosis II, 3 - Fertilization, and 4 - Zygote (creation of).

One direct cause of agriculture expansion is deforestation. This is because some 80% of global deforestation is a result of agricultural production, which is also the leading cause of habitat destruction. Increasingly, the world's agriculture system is expanding its terrestrial footprint to produce livestock feed that meets the growing demand for meat and dairy products or crop-based biofuels.

Agriculture is the largest single cause of deforestation and severe forest degradation. Except in Africa, large-scale livestock ranching and plantation agriculture are generally overtaking small-scale farming as primary causes of conversion.

Answer: Humans needing to eat

Explanation: Farming requires tons of space which is normally covered in trees. People will burn hundreds of acres of trees to clear the land so they can grow some crops or animals.

Answer:

Explanation:

Glucagon

is produced to maintain glucose levels in the bloodstream when fasting and to raise very low glucose levels.

insulin's

job is to lower blood sugar. If blood sugar gets too low, the pancreas releases another hormone, glucagon, which works to raise glucose levels.

Whale species gradually changing from land-dwelling mammals that walk on four legs to marine mammals without legs would be an example of an organism evolving through punctuated equilibrium. So, the correct option is (D).

Punctuated equilibrium is defined as the theory that proposes that once a species appears in the fossil record, the population will be stable, showing little evolutionary change for most of its geological history, with little or no morphological change. The condition is called statis.

This balance is the idea that evolution is rapid rather than following the slow, but steady path Darwin suggested. Long periods of stagnation with little activity are interrupted by intermittent bursts of activity in the case of extinction or emergence of new species.

Thus, Whale species gradually changing from land-dwelling mammals that walk on four legs to marine mammals without legs would be an example of an organism evolving through punctuated equilibrium. So, the correct option is (D).

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During DNA replication (S phase), the chromosomes are duplicated, resulting in 16 sister chromatids. During metaphase, the sister chromatids align along the equatorial plane of the cell. During anaphase, the sister chromatids separate and move towards opposite poles of the cell, ensuring that each new cell receives a complete set of 8 chromosomes.

During mitosis, the process by which cells divide, the division of chromosomes occurs in a way that maintains the correct number of chromosomes in each resulting cell. The scenario you mentioned, where one cell with 8 chromosomes divides to form two cells each with 8 chromosomes, is possible due to three key events and their associated cell cycle phases:

DNA Replication (S Phase): Before mitosis begins, the DNA in the cell undergoes replication during the S phase of the cell cycle. This means that each chromosome replicates, resulting in two identical copies called sister chromatids. So, in the initial cell with 8 chromosomes, during S phase, each chromosome is duplicated, resulting in a total of 16 chromatids.

Chromosome Alignment and Separation (Metaphase and Anaphase): During metaphase, the replicated chromosomes align along the equatorial plane of the cell. The sister chromatids are connected at a region called the centromere. In anaphase, the centromeres split, and the sister chromatids separate, becoming individual chromosomes. The spindle fibers pull the separated chromosomes towards opposite poles of the cell.

Cytokinesis: After the chromosomes have separated, cytokinesis occurs, where the cell membrane pinches inward, dividing the cytoplasm into two distinct cells. Each new cell receives a set of chromosomes, resulting in two daughter cells, each with the same number of chromosomes as the original cell (8 chromosomes each).

Overall, through the processes of DNA replication, chromosome alignment and separation, and cytokinesis, the division of chromosomes during mitosis ensures that the resulting daughter cells maintain the correct number of chromosomes.

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Answer:

D. 10

Explanation:

just got it correct on edg

Answer:

d

Explanation:

The entry in the diary describes the sensation of adventure, amazement, and difficulties experienced by an explorer traversing America without access to precise charts, depending instead on instinct, cunning, and inadequate maps.

We now know that Columbus was not the first, but rather one of the last, explorers to reach the Americas. 500 years before Christopher Columbus, Leif Eriksson and his valiant group of Vikings arrived in North America and established a settlement.

The journey to India and encounters with various peoples along the shores of Africa and India are described in the paper. It talks about captives, illnesses, plants and animals, titles and occupations, weapons of battle, and nourishment.

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Answer:

The vacuoles is like the cabinets in the school used to store items. where we release all of our energy. Cytoplasm is like the hallways of the school.

The frequency of p in a population of snapdragons is 0.01.

The trait for flower color in snapdragons exhibits incomplete dominance because the heterozygous genotype (Rr) results in a phenotype (pink flowers) that is intermediate between the two homozygous genotypes (RR and rr).

To apply the Hardy-Weinberg theorem, make the assumption that the population is in equilibrium (i.e., not evolving) with respect to this trait. The theorem states that in a large, randomly mating population that is not subject to any other evolutionary forces (such as mutation, migration, natural selection, or genetic drift), the frequencies of alleles and genotypes will remain constant from generation to generation.

Let p be the frequency of the R allele, and q be the frequency of the r allele. Because there are only two alleles at this locus, p + q = 1.

Use the frequencies of the three genotypes in the population to set up two equations:

RR + Rr + rr = 1,200 (the sum of the frequencies of all genotypes must equal 1)

p² + 2pq + q² = 1 (the sum of the frequencies of all alleles must equal 1)

We are given that 108 plants have white flowers, which means they must be homozygous recessive (rr). So q² = 108/1200 = 0.09.

Substituting this value into the second equation gives:

p² + 2p(1-p) + 0.09 = 1

Simplifying:

p² - 2p + 0.01 = 0

Using the quadratic formula:

p = (2 ± √(4 - 4(1)(0.01))) / 2

p = 1 - q = 0.99 or 0.01

However, we know that p cannot be 0.99 because that would mean the frequency of the dominant allele is almost fixed in the population, which is not realistic. Therefore, the only valid solution is p = 0.01, and q = 0.99.

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The question is:

Consider a population of snapdragons, which trait for flower color represents incomplete dominance?

(RR) Red flowers

(Rr) Pink flowers

(rr) white flowers

There are 1,200 plants in the population and 108 have white flowers. Using the Hardy-Weinberg theorem, calculate the frequency of p.

0.3

0.7

0.91

0.09

Answer:

Yes.

Explanation:

Yes, Nuclear hormone receptors is also responsible for binding hormones due to presence of Ligands. Ligands bind to and activate nuclear receptors such as lipophilic substances such as endogenous hormones, vitamins A and D, and xenobiotic endocrine disruptors. The first role of Nuclear hormone receptors are the control of gene expression by directly binding to DNA and its second role is binding of hormones.

Answer:

Photosynthesis is the process by which plants, some bacteria, and some protistans use the energy from sunlight to produce sugar, which cellular respiration converts into ATP, the "fuel" used by all living things. The conversion of unusable sunlight energy into usable chemical energy, is associated with the actions of the green pigme the oxygen that we absolutely must have to stay alive.Yes we need to feed as well.

Myopia is also known as near sightedness and is a defect of the eyes when an individual can only see near objects.

Hyperopia is also a eye condition that occurs when an individual can see distant objects clearly or is far-sighted  while astigmatism occurs when distorted/blurred vision causes an imperfect image.

A person cannot have both hyperopia and myopia eye but can have astigmatism with either of the two because it is possible to have a blurred vision even when far-sighted or near-sighted but not for one eye to be both hyperopic and myopic.

You can't be myopic and hyperopic in your eye but you can be near sighted AND far-sighted maybe if both eye develops these conditions.

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Flowering plants reproduce through pollination. Pollen is moved from the male parts of the same plant or another plant to the female parts as part of the process.

When a fire heats up a material that is an excellent heat conductor, like metal, and that material subsequently comes in contact with a flammable material, the result is a conduction fire. This allows the fire to spread further within a room or structure.

The union of these male and female gametes occurs during pollination. Pollination depends on other factors to transfer the pollen because pollen cannot travel alone from the anthers to the ovules.

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The percentage of the atmosphere that would be below the plane is 30%.

The average height of the Earth's atmosphere is 30,000 feet.

For a plane flying at an altitude of 39,000 feet, the height of the atmosphere below the Earth is calculated as follows;

= 39,000 ft - 30,000 ft

= 9,000 ft

= 9,000 / 30,000 ft

= 0.3

= 0.3 x 100%

= 30%

Thus, the percentage of the atmosphere that would be below the plane is 30%.

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Answer:

overfishing is when there are more fish being fished out o the ocean than the biomass of fish, e.g. in 1970 in the north sea, there was double the amount of kabeljau caught than the biomass. it threatens the coral reefs because a part of the food chain is missing, which has an impact on everything else.

Explanation:

i dont really know if it made sense, im sorry

Answer:

you didn't post a picture of the question

The allele that determines the phenotype with respect to a particular gene is the option A. dominant allele.

In genetics, alleles are alternate forms of a gene that occupy the same position (locus) on a chromosome. Each individual inherits two alleles for each gene, one from each parent. The interaction between these alleles determines the expression of the gene and ultimately the phenotype, which refers to the observable characteristics or traits of an organism.

A dominant allele is one that exerts its effect even if there is only one copy present in the individual's genotype. It masks the effect of the recessive allele, which is only expressed when two copies of the recessive allele are present.

When an individual possesses a dominant allele for a particular gene, it determines the phenotype associated with that gene. This means that the trait associated with the dominant allele will be expressed, regardless of whether the other allele in the pair is dominant or recessive. Therefore, the correct answer is option A.

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Answer and Explanation

25%

Answer:

25%

Explanation:

sorry

According to the question Unicellular organism: An organism that only has one cell for its body.

Organism is a living thing—an individual living being. Organisms range from single-celled bacteria and protozoans to complex multicellular animals, plants, and fungi. All organisms share certain characteristics, such as the ability to take in and use energy, respond to their environment, and reproduce.

1. Unicellular organism: An organism that only has one cell for its body.

2. Cell Theory: The basic unit of life according to the cell theory.

3. Nucleolus: The internal spherical structure in a cell which serves as the central control.

4. Cell Wall: Serves to give strength and rigidity to the plant cell.

5. Plasma Membrane: The living substance of a cell, excluding the nucleus.

6. Life Cycle: The stages of a plant or animal's life.

7. Organismal Theory: The basic unit of life is the organism itself.

8. Vacuole: Fluid filled sacs within the cytoplasm of a cell which are bound by a membrane.

9. Acellular organism: An organism not divided into cells.

10. Matter: That which occupies space and has mass.

11. Cytoplasm: The fluid-filled area of a cell between the nucleus and the plasma membrane.

12. Slime Mold: A type of protist which has a stage in its life cycle when it is not divided into cells.

13. Cell Theory: The basic unit of life is the cell.

14. Nucleus: The semipermeable membrane surrounding the cell.

15. Organism: A functional plant or animal.

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Yes, an ecosystem is an open system in terms of energy and as well as an open system in terms of matter.

A open system facilitates  both matter and energy are exchanged between the system and its environment. All ecosystems are examples of open systems.

For example, energy enters the system in the form of sunlight and leaves in the form of heat. Substances can enter the system in different ways.

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Answer:

the sum of the environmental factors (such as drought, mineral deficiencies, and competition) that tend to restrict the biotic potential of an organism or kind of organism and impose a limit on numerical increase.