Match the theory with its characteristics

1Plasma, or electric universe theory
a. other universes exist on the other side of black holes. We
are just one in a multiverse.
2.
The bouncing cosmological model
3.
The steady-state model
b. everything in the universe is not real, but instead a
illusion created by something for us to see.
C. Universe expands and contracts
4.
Black hole theory
5.
Simulation theory
d. Universe created where it currently is. Matter is
constantly regenerating in current place
e energy flowing through space powers the universe
through stars.

The cell is the smallest unit of an organism. Recall that the cell is composed is a self sustaining unit. This implies that the cell has many components that is able to provide for the needs of the cell. The cell is thus depicted as quite a self sufficient unit in itself.

Having said this,  the object that is around my school that could be used to model a cell is the motor vehicle. The motor vehicle looks more like the plant cell because of the presence of the body and the windscreen that provides support for the car and protects it from external pressure. The energy for the car to function is provided by the engine of the car were combustion occurs. This is similar to what happens in the mitochondria of the plant cell.

This model can be used to show the various parts of the cell and it also shows the cell as a compete unit. However it falls short in the sense that a car is a nonliving thing and is incapable of cooperating with other units.

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Answer:

C

Explanation:

All of the following are parts of the hindbrain except cerebrum

Answer:

All of the following are parts of the hindbrain except __________.

A.

medulla

B.

pons

C.

cerebrum

D.

cerebellum

CCCCCCCCCCCCCCC

Explanation:

There are five aquatic biome which are Freshwater Biome, Freshwater wetlands Biome, Marine Biome, Coral reef Biome.

The aquatic biome is divided into two regions, first is freshwater and the second is marine regions. Fresh water consist of lakes and rivers which is less salt concentrated while the marine region consist of estuaries and oceans that are more salt concentrated. Marine or aquatic biome is found in 5 main oceans, the Pacific, the Atlantic, the Indian, the Arctic and the Southern ocean.

So we can conclude that: There are five aquatic biome which are Freshwater Biome, Freshwater wetlands Biome, Marine Biome, Coral reef Biome.

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Answer:

Oxygen enters the blood through the lungs, not directly through any part of the heart. The heart pumps deoxygenated blood to the lungs via the pulmonary artery, where the blood is oxygenated and carbon dioxide is removed through the process of respiration. The oxygenated blood then returns to the heart via the pulmonary veins and is pumped out to the rest of the body through the aorta.

Invasive species are the species which come and occupy the area and the habitat is lost when once they invade the habitat. Some of the examples of invasive species are asian carp and cane toad with many more.

When one species that invade the habitat and ends up the habitat of that particular area that is called as eutrophication and with that what happens is that the organisms which are living there ends up.

Ten most common of the world's invasive species are written as following :

1. Asian Carp.

2. Zebra Mussel

3. Cane Toad

4. European Starling

5. Kudzu

6. Asian long-horned beetle

7. Small Indian mongoose

Water hyacinth that is the terror of Bengal was once a decorative plant but when it was introduced to the water resources then at that time they multiplied to this extent that the species got automatically distinct from the water bodies.

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Answer:

no

Explanation:

The length of the chloroplast in the image is 100um.

In the attached image we can observe a red circle known as a red sizing bead over the chloroplast. Given that the size of the bead is 10um in diameter, we can conclude that the width of the chloroplast falls in the range of about 30um. By observing that the length is much greater than the width, we know it must be at least higher than 30, and it would seem to be approximately three times as much. With this information, we can conclude that of the options given, the chloroplast would be 100um in length.

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Answer: uncontrolled cell division

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

Answer:

hey Rebecka the answer is in the photos. thank me later, also you should cut me some cucumbers  

Explanation:

Plant cells are different from the animal cells in their basic structure such as the cell wall which is absent in the animal cell, chloroplast is also found in the plant cell which is not present in animal cell.

Plant cells have a rigid cell wall, a large central vacuole, and plastids such as chloroplasts. The cell wall is a layer which is present outside the cell membrane and surrounds the cell, it provides the structural support and protection.

The central vacuole is present in the plant cell and it maintains turgor pressure against the cell wall. The central vacuole is a large vacuole found inside of plant cells. It is a sphere which is filled with fluid and molecules inside a cell. The central vacuole stores water.

Chloroplasts are the organelles which are responsible for the process of  photosynthesis, are in many respects similar to mitochondria. Both the organelles including chloroplasts and mitochondria function to generate metabolic energy, evolved by endosymbiosis, and also contain their own genetic systems, and replicate by division.

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Your question is incomplete, most probably the complete question is:

Learn and recognize the basic structures of a plant cell.

Answer:

In a solar eclipse, the order of the celestial bodies is Sun, Moon, Earth.

Answer:

the quality or state of being conscious or aware of something.

or

a mental state achieved by focusing one's awareness on the present moment, while calmly acknowledging and accepting one's feelings, thoughts, and bodily sensations, used as a therapeutic technique

Answer:

C

Explanation:

I got it right on usatestprep

Protein structure is folded at a certain level to make the active structure, tertiary structure of protein having interactions between R groups by ionic, covalent, hydrogen, and disulfide linkages.

Tertiary structure refers to a polypeptide's overall shape, which can be maintained via hydrophobic contacts, hydrogen bonds, ionic bonds, and peptide bonds.

Secondary structure sheets or helices are folded into one another to generate a tertiary structure. The geometric form of a protein is its tertiary structure.

The polypeptide chain serves as the backbone, with one or more secondary structures. Secondary structure sheets or helices are folded into one another to generate a tertiary structure.

Therefore having interaction between R groups by ionic, hydrogen, covalent, and disulfide linkages is defined as a tertiary structure.

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Answer: 39.36

Explanation:

Answer:

39.36

Explanation:

32 * 1.23 (123%)= 39.36

Answer:

chemical

Explanation:

Answer:

That would be an example of physical weathering.

Explanation:

Hope this helps you out!

The statement that the sternum consists of compact solid bone is incorrect.

The sternum, also known as the breastbone, is a flat bone located in the center of the chest. It is not entirely composed of compact bone but instead has a combination of compact bone on its external surface and spongy or cancellous bone on the inside.

Compact bone is dense and provides strength and support, while spongy bone is porous and contains bone marrow. The sternum contains red bone marrow within its cancellous bone, which is responsible for producing blood cells, including red blood cells, white blood cells, and platelets. This red bone marrow is hematopoietically active and plays a crucial role in the body's immune system and oxygen-carrying capacity.

Although the sternum does contain bone marrow, it is not a preferred site for bone marrow aspiration. Bone marrow aspiration is typically performed on other bones, such as the hip bone (iliac crest) or the sternum. These sites are preferred because they have larger and more accessible bone marrow cavities, making it easier to obtain an adequate sample for diagnostic or therapeutic purposes.

In summary, while the sternum does contain bone marrow, it is not a preferred site for bone marrow aspiration. Other bones, such as the hip bone, are commonly used for this procedure due to their larger and more accessible bone marrow cavities.

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The correct question is:

Sternum consists of compact solid bone and is a preferred site for bone marrow aspiration. Correct or incorrect?

Answer:

Dehydration reaction (a condensation reaction)disaccharide will provide energy for chemical reactions in the body to take place.

Explanation:

The Condensation Reaction is an organic reaction in which two molecules combine to give a single product accompanied by the formation of a molecule of water H2O. Disaccharides are produced when two monosaccharides are chemically combined. The bond called O-glycosidic, is the bond by which monosaccharides join to form disaccharides or polysaccharides. In this type of bond, an OH group of an anomeric carbon of a monosaccharide reacts with an OH group of another monosaccharide, releasing a water molecule.The main function of disaccharides is to provide energy to the cells of the human body, or glycogen. This is achieved through enzymes that act in the synthesis of the disaccharide, extracting glucose. Among the main and best known enzymes that act in this process are insulin for sucrose, lactase for lactose, and trehalase for trehalose.

Seismic waves are caused by the sudden movement of materials  within the Earth, such as slip along a fault during an earthquake.

Volcanic eruptions, explosions, landslides, avalanches, and even rushing rivers can also cause seismic waves. Seismic waves travel through and around the Earth and can be recorded with seismometers.

There are several different kinds of seismic waves, and they all move in different ways. The two main types of waves are body waves and surface waves.

Body waves can travel through the Earth's inner layers, but surface waves can only move along the surface of the planet like ripples on water. Earthquakes send out seismic energy as both body and surface waves.

Therefore, Seismic waves are caused by the sudden movement of materials  within the Earth, such as slip along a fault during an earthquake.

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When membrane protein activity is suppressed, CO2 and N2 transport into and out of cells is unchanged.

N2 and CO2 are both insignificant, nonpolar molecules. The alternative theory would be disproved by their capacity to enter and exit cells normally when membrane protein activity is inhibited. The ability to manage and maintain the internal composition of the cell is made possible by the selective permeability of biological membranes, such as the cell membrane, to tiny molecules. Only tiny uncharged or nonpolar molecules, like CO2 and N2, can freely diffuse through the lipid bilayer. Consequently, they do not require the assistance of transmembrane proteins to easily cross cell membranes.

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Symbiotic archaea that live inside tubeworms can use two different methods to metabolize hydrogen sulfide and can switch back and forth to accommodate fast-changing environmental conditions.

Symbiotic archaea that live inside tubeworms (specifically, deep-sea tubeworms) are known as sulfur-oxidizing bacteria. These bacteria have the ability to metabolize hydrogen sulfide, which is abundant in the deep-sea hydrothermal vent environments where the tubeworms reside. Hydrogen sulfide serves as an energy source for these bacteria, allowing them to generate the necessary nutrients for their survival.

The hydrothermal vent environments are highly dynamic, with fluctuating levels of hydrogen sulfide due to the venting of volcanic gases. To adapt to these fast-changing environmental conditions, the symbiotic archaea can switch between two different methods of metabolizing hydrogen sulfide. They can either use the sulfide oxidation pathway or the sulfur oxidation pathway, depending on the availability of hydrogen sulfide and other factors in their immediate environment.

This metabolic flexibility enables the symbiotic archaea to efficiently utilize the available resources and survive in the extreme and ever-changing conditions of deep-sea hydrothermal vents.

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For crossing over to increase genetic variation, it must involve the exchange of genetic material between homologous chromosomes.

During meiosis, homologous chromosomes pair up and exchange genetic material in a process called crossing over. This occurs during prophase I when the chromosomes are closely aligned and exchange sections of genetic material through the formation of chiasmata.

This exchange of genetic material creates new combinations of alleles that were not present in the parent chromosomes, increasing genetic variation.

The frequency and location of crossing-over events can also vary, further contributing to genetic diversity. Without crossing over, each gamete produced during meiosis would have the same combination of alleles as the parent cell, limiting genetic variation.

Therefore, crossing over is a crucial mechanism for introducing new genetic variation and is essential for the evolution and adaptation of species.

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Answer:

i think that it's a living thing, however big.

Houseflies do not transmit diseases by sucking blood from a human host.

So correct answer is  b) houseflies.

While mosquitoes and fleas are known to transmit diseases to humans by sucking their blood, houseflies do not have the necessary mouthparts to pierce the skin and suck blood. However, houseflies can still transmit diseases to humans through other means, such as by landing on and contaminating food or surfaces with their feces or regurgitated fluids. To reduce the risk of disease transmission from houseflies, it is important to practice good sanitation and hygiene habits, such as keeping food covered and disposing of garbage properly. Mosquitoes and fleas, on the other hand, can transmit a variety of diseases, including malaria, dengue fever, West Nile virus, and plague, among others.

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A 70-year-old man with right arm weakness and speech difficulties is examined for the likely type of aphasia and expected deficits in case of infarcts in the anterior cerebral artery.

A. Based on the clinical signs and symptoms described, the patient most probably suffers from Broca's aphasia. This is supported by the presence of non-fluent and effortful speech, slurred and dysarthric speech, and difficulty repeating words correctly. Broca's aphasia is characterized by expressive language deficits, including difficulty with speech production, while comprehension remains intact.

B. Infarcts in the anterior cerebral artery can lead to specific deficits. These may include weakness or paralysis of the lower limbs, as the artery supplies the motor cortex responsible for controlling leg movements.

Sensory deficits, such as loss of sensation or impaired proprioception in the lower limbs, can also occur. Additionally, cognitive and behavioral changes may be present, such as impaired judgment, personality changes, and apathy. Deficits may be more prominent on the contralateral side of the body, as the artery supplies the opposite hemisphere.

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Complete question :

A 70-year-old man suddenly developed right arm weakness and difficulty using his right hand. His speech was slurred and difficult to understand. Past history was notable for hypertension, peripheral vascular disease, and smoking one pack per day for 40 years.

Mental status: Lethargic but arousable. Speech slow, non-fluent and effortful. Followed simple commands. Intact comprehension. Unable to repeat words correctly. Unable to read out loud.

Cranial nerves: Pupils equal, round and reactive to light. Visual fields full. Extraocular movements intact. Corneal reflex present bilaterally. Decreased right nasolabial fold. Weak movements of the right face sparing the forehead. Speech slurred and dysarthric.

Motor: Increased tone in the right arm, normal in the left side. 3/5 strength on the right arm, normal on the left side.

Reflexes: Increased reflexes on the right arm, normal on the left side. Right Babinski’s sign.

Sensory: Intact light touch, pinprick sense and vibration sense. Graphesthesia and stereognosis normal in the left hand but absent in the right hand. Occasional extinction in the right hand on double simultaneous stimulation.

Answer the following questions by typing your answers in the space provided.

A. What type of aphasia the patient most probably suffers from? Support your answer based on the clinical signs and symptoms. 5 marks

B. Describe the expected deficits if infarcts were to occur in the anterior cerebral artery. 5 marks

Answer: Yes, a semipermeable membrane is a layer that only certain molecules can pass through.

Explanation:

Answer:

K-selected species, also called K-strategist, species whose populations fluctuate at or near the carrying capacity (K) of the environment in which they reside. Such species make up one of the two generalized life-history strategies posited by American ecologist Robert MacArthur and American biologist Edward O.

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endangered species with very small populations are especially at risk of loss of genetic diversity due to immigration

In the biological terms, the immigration was means new organisms joining or entering the different population. These new organisms are would bring with them the new alleles or the new genes to be the existing population. It would be result in the genes transfer. the Genes transfer refers to the the movement of the genetic material between the organisms

For example, the salmon start life in the rivers and to migrate to the sea to feed and then grow. After then spending up to seven years in the ocean, they may migrate back to the rivers and they were born in so that they can be spawn.

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Answer:

Thus, Sweden became one of four countries that allow the production of designer babies. The others are Belgium, the United Kingdom, and the United States. In Spain, the first designer baby was born in Tenerife in 2005, although she was produced in the Chicago Reproductive Genetics Unit in 2004.

Explanation:

Answer: well if i had a picture it wouldve helped more but typically if a particle is moving into the cell, it doesnt require any energy, however moving particles outside of a cell requires a large amount of atp.

Explanation:

Answer:

James Watson and Francis Crick solved the structure of DNA. Rosalind Franklin and Maurice Wilkins, also contributed to this discovery.

Explanation:

Answer:

Waltson and Crick's

Explanation:

Hope this helps