Choose the description that best matches the labeled part of the ear.

Answer:

The cell was first discovered in 1665 by an English scientist named Robert Hooke. While looking through a microscope, he observed tiny box-like objects in a slice of cork (bark from an oak tree) and named these boxes cells. Cells are the basic units of life, which make up all living things. This idea forms the basis of the Cell Theory. Plant cells are larger because they contain all of these structures but have some unique structures like a cell wall, vacuole and chloroplasts.

All these specialised structures are called organelles. An organelle is a tiny structure inside an animal or plant cell that has a specific function or role.

Answer:

The cell wall provides strength and support to the plant, much like the exoskeleton of an insect or spider (our skeleton is on the inside of our body, rather than on the outside like insects or spiders).

The plant cell wall is mainly made up of the carbohydrates molecules cellulose and lignin. Cellulose is used extensively by humans for making paper. Cellulose can also be converted into cellulosic ethanol, a type of biofuel. Some animals, such as cows, sheep and goats, can digest cellulose with the help of bacteria in their stomachs. Humans cannot digest cellulose, which passes through our bodies and is better known as dietary fiber, something that we should eat to keep our waste moving as it should! Lignin fills in the spaces between cellulose and other molecules in the cell wall. Lignin also helps water molecules move from one side of the cell wall to the other – an important function in plants.                                                                                    

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It would depend on whether the modified codon code for the same amino acid or not. If it does not code for the same amino acid, then the protein would be different, and in some cases, it can cause a problem with its function, mostly if this modification is found on the interaction site of the protein with other components.

The correct order of structures that urine would be produced or pass through is as follows: Renal pyramid, Minor calyces, Renal pelvis, Major calyces, Renal para, Ureter, Bladder, Urethra.

Renal pyramid are cone-shaped structures located in the renal medulla of the kidney. They contain thousands of microscopic tubules called nephrons, which are the functional units of the kidney. Each renal pyramid consists of several nephrons that filter blood, reabsorb useful substances, and excrete waste products to form urine. The apex of each pyramid, called the papilla, releases urine into the minor calyces, which are small cup-like structures. From there, urine passes through the major calyces, renal pelvis, ureter, bladder, and finally, the urethra for elimination from the body.

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chrysalis because it is

Answer: Chrysalis.

Explanation: The metamorphosis from a caterpillar into a butterfly occurs during the pupa stage. During this stage, the caterpillar's old body dies and a new body forms inside a protective shell known as a chrysalis.

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Answer:

An atom is the smallest unit of ordinary matter that forms a chemical element. Every solid, liquid, gas, and plasma is composed of neutral or ionized atoms. Atoms are extremely small, typically around 100 picometers across

Explanation:

Answer:

Atom:An atom is the smallest unit of ordinary matter that forms a chemical element. Every solid, liquid, gas, and plasma is composed of neutral or ionized atoms. Atoms are extremely small, typically around 100 picometers across.

Explanation:

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Analyze how each sphere of the Earth contributes in the cycle and apply it to the experiment to determine how your experiment mimics the carbon cycle.

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Answer:

ice melting

juice freezing

paper folding

Explanation:

The difference between a physical reaction and a chemical reaction is composition. In a chemical reaction, there is a change in the composition of the substances in question; in a physical change there is a difference in the appearance, smell, or simple display of a sample of matter without a change in composition.

Answer:

Ice melting, juice freezing, and paper folding so B,D, and F

Explanation:

Answer:

topographic, bathymetric, and geologic maps.

The genetic makeup of an individual with Jacobs syndrome is characterized by having an extra Y chromosome, resulting in a 47,XYY karyotype.

Jacobs syndrome, also known as XYY syndrome, occurs in males and is caused by the presence of an extra Y chromosome in each of their cells. The typical genetic makeup for a male is 46,XY, but in the case of Jacobs syndrome, it becomes 47,XYY.

This chromosomal abnormality usually occurs as a random event during the formation of sperm cells. An error in cell division called nondisjunction can result in a sperm cell with an extra Y chromosome. If this sperm cell fertilizes an egg, the resulting child will have Jacobs syndrome. The syndrome is not inherited from the parents, as it is a spontaneous genetic event.

Individuals with Jacobs syndrome often have normal development and may not even be aware of their condition. Some affected males may experience learning disabilities, speech and language delays, or behavioral issues, but these symptoms can vary widely. In most cases, Jacobs syndrome does not have a significant impact on the individual's overall health or life expectancy.

In conclusion, the genetic makeup of an individual who has inherited Jacobs syndrome consists of an extra Y chromosome, resulting in a 47,XYY karyotype. This chromosomal abnormality typically occurs spontaneously during sperm cell formation and is not directly inherited from the parents.

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B. The nucleus provides the instructions for making proteins.

The genetic code, which is composed of DNA and RNA molecules, is found in the nucleus. The blueprints for making proteins are found in these molecules.

The ribosomes, which are in charge of interpreting the instructions and making the proteins, are then given the instructions.

Although the nucleus provides the instructions, the equipment for making proteins is found in the ribosomes.

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Answer:

Feldspar

Explanation:

Answer:

Require a male and a female to reproduce

Explanation:

Gametes are produced by mitosis (not meiosis) and after fertilization a diploid zygote is created. ... It can only divide by meiosis to produce haploid cells once more, which then produce the main adult body. In plants and some algae, there is a multicellular diploid and a multicellular haploid period of the life cycle.

Mitochondrial replacement therapy (MRT), also known as mitochondrial donation or mitochondrial replacement, is a reproductive technique that aims to prevent the inheritance of mitochondrial DNA (mtDNA) diseases from mother to child. The basic procedure involves the following steps:

1. Egg cells are harvested from the mother and a donor.

2. The nucleus is removed from the donor egg cell, leaving behind healthy mitochondria.

3. The nucleus from the mother's egg cell is transferred to the donor egg cell, which now contains healthy mitochondria.

4. The reconstructed egg cell is fertilized with sperm from the father through in vitro fertilization (IVF).

5. The resulting embryo is then implanted into the mother's womb for gestation.

The goal of this technique is to produce offspring with healthy mtDNA by replacing the defective mitochondria in the mother's egg cell with healthy ones from a donor. This can prevent the transmission of serious mtDNA diseases, such as Leigh Syndrome and Mitochondrial Encephalomyopathy, from mother to child.

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Answer: The chemical origin of life refers to the conditions that might have existed and therefore promoted the first replicating life forms. It considers the physical and chemical reactions that could have led to early replicator molecules. All life is composed mainly of the four macromolecule building blocks: carbohydrates, lipids, proteins, and nucleic acids. The interactions of different polymers of these basic molecule types make up the majority of life's structure and function.

D. 35 kg-m/s east  is their combined momentum after the collision

Momentum is preserved when two objects collide. The ultimate momentum is not zero since the beginning momentum is not. They can't both be at ease. One of the objects may be at rest following the impact.

Consequently, the system's overall momentum will be preserved because it was constant before and after the impact.

Collisions between two objects naturally fall under Newton's third rule of motion. When two objects collide, forces of equal magnitude and opposing direction are applied to each item. Such pressures frequently result in one thing gaining momentum and gaining speed while the other object slows down (lose momentum).

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Answer:

The organelle not found in plant cells is the centriole.

Answer:15-30

Explanation:

Answer:

Explanation:

Fertilizer

Answer:

true

Explanation:

Answer:

True.

Explanation:

Periods can come late, but even so, if the woman is an adult and has mostly predicable and a regular schedule that can be tracked, then the period could be late for at least 7-9 days MAX. 14 days would be pushing it.

Answer:

only the ABO antigens need to be compatible between donor and recipient

Explanation:

An antigen is any molecule that is capable of inducing an immune response in the host (e.g., the coat protein of a pathogenic virus). The ABO blood group system is used to indicate the presence of one, both, or neither of A and B antigens on the surface of red blood cells. In blood transfusions, ABO antigens have to be compatible between donor and recipient. In consequence, it means that 1-donors of group A can donate blood to recipients with types A and AB (a recipient of group A can receive blood from a donor whose blood does not contain B antigen), 2-donors of group B can donate blood to recipients with types B and AB (a recipient of group B can receive blood from a donor whose blood does not contain A antigen); and 3- donors of group O can donate blood to recipients with types A, B, AB, or O (a recipient of group O blood can receive blood from a donor whose blood does not contain A and B antigens).

By reusing and recycling MSW items, we can make supplies of nonrenewable resources last longer, save ourselves money, and reduce solid waste and pollution.

answer: CTA GGT

it's obvious.

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think before answering

Answer:

Explanation:

About 23 percent of incoming solar energy is absorbed in the atmosphere by water vapor, dust, and ozone, and 48 percent passes through the atmosphere and is absorbed by the surface. Thus, about 71 percent of the total incoming solar energy is absorbed by the Earth system

Answer:

The earth-atmosphere energy balance is the balance between incoming energy from the Sun and outgoing energy from the Earth. Energy released from the Sun is emitted as shortwave light and ultraviolet energy. When it reaches the Earth, some is reflected back to space by clouds, some is absorbed by the atmosphere, and some is absorbed at the Earth's surface.

Answer: Ecosystem is the level of organization that is best described as including various species in a area and the abiotic factors on which they depend.

Explanation: I hope this helps!

Tornadoes and downbursts are two of the most destructive weather phenomena on earth. While both of them can create strong winds, it's important to distinguish between the two to avoid confusion.

To differentiate between the two, the following steps can be taken:After the event has occurred, check the damage path. Tornadoes can leave a relatively narrow, twisted path that can be hundreds of yards long. On the other hand, the damage from a downburst is often straight-lined and can be more widespread in terms of coverage area.Check the direction of the damage. In a tornado, the damage will generally be aligned with the direction of the wind, but in a downburst, the damage will often be perpendicular to the direction of the wind.

Check the atmospheric conditions before the storm. If a tornado is expected, the atmosphere will be charged with energy and very unstable. A downburst, on the other hand, can be caused by a simple thunderstorm. So, if the atmospheric conditions were calm and there was no warning of a tornado, then it was probably a downburst.Vorticity is a term used to describe the rotation of air masses around an axis or an imaginary line. It is a crucial component of supercell formation. When wind shear is present, vorticity can be created in a supercell.

A supercell is a thunderstorm with a rotating updraft. When this happens, a horizontal tube of spinning air is created, and this tube can be stretched and rotated vertically, forming a mesocyclone. A mesocyclone is the precursor to the formation of a tornado. The strength of the vorticity in the mesocyclone is what determines whether a tornado will form or not. The stronger the vorticity, the more likely a tornado will form. Therefore, vorticity plays a significant role in the formation of supercells.

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The scientific categorization of plants and animals by early scientists, including Carl Linnaeus, was connected to the categorization of humans into racial categories, perpetuating discrimination and oppression.

The connection between the scientific categorization of plants and animals to the attempt of early scientists to categorize humans into racial categories was that the same process used to classify plants and animals, particularly by Carl Linnaeus, was also used to classify humans, including his own race-based taxonomic system.

Linnaeus's Systema Naturae (1735), his taxonomic system of plants and animals, was the blueprint for his classification of humans into four categories. This was done based on physical characteristics such as skin color, hair type, facial structure, and other physical traits.

This form of classification allowed people to be divided into categories based on their race, and it enabled people to be categorized into a hierarchical ranking system that provided a scientific justification for discrimination and exploitation.

As a result, race was used as a tool for justifying unequal access to resources, power, and privilege. The social impact of this classification system is profound, and it continues to influence how people are perceived and treated today.

The system of racial classification has been used to justify slavery, colonialism, and genocide throughout history, and it has led to the marginalization and oppression of minority groups.

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