A model of the theory of endosymbiosis is shown here. It is an explanation for the presence of chloroplasts and mitochondria as organelles that might have had an origin as free-living prokaryotic cells at one time. Evaluate each staternent below and select the ones that accurately describe how evolution and endosymbiosis gave rise to life on Earth as we know it today.

Prophase is defined as the phase of mitosis during which the mitotic spindle develops and the nuclear envelope fragments.

A kind of cell division known as mitosis occurs when a single cell (the mother) divides into two genetically identical daughter cells. The phase of cell division known as mitosis, when referring to the cell cycle, is when the DNA in the cell's nucleus is split into two identical sets of chromosomes.

In the body, mitosis occurs in three different cell types. They are adult stem cells, somatic cells, and embryonic cells. Somatic cells - In multicellular organisms, somatic cells are the normal cells in the body. Epithelial cells, muscle cells, liver cells, and other types of cells are somatic cells.

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Answer:

Explanation Aerobic respiration needs oxygen. It is the release of a relatively large amount of energy in cells by the breakdown of food substances in the presence of oxygen:

glucose + oxygen → carbon dioxide + water

C 6H12O6 + 6O 2 → 6CO 2 + 6H2O

Answer:

Harvesting is the operation of gathering the useful part or parts of the plant and is carried out at the time when all the nutrients have developed and the edible parts have reached the appropriate degree of maturity.

Threshing or shelling consists of separating the grains, or the shells in the case of groundnuts, from the portion of the plant that holds them.

WINNOWING, the process of separating quality grains from chaff, is a crucial process in the cultivation of paddy. The traditional way of winnowing is making the dried grains fall from a height using shovels and a sieve.

Answer:

D = M/V

Explanation:

Density is equal to the mass over volume.

The grouping that includes turtles, lizards and snakes, crocodiles and alligators, birds, and bats is monophyletic.

Monophyletic taxon : A team composed of a collection of organisms, together with the most current frequent ancestor of all these organisms and all the descendants of that most latest common ancestor. A monophyletic taxon is also called a clade.

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Here, the word infinitesimal means tiny. Most cells can only be visualized under a microscope since they are so tiny.

Hence, the correct answer is tiny.

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Although Cellulose are macromolecules belonging to the same group of carbohydrates, but cellulose is a polysaccharide that has beta 1,4 linkages between glucose monomers while the starch is a polysaccharide that has alpha 1,4 linkages between glucose monomers.

Cellulose is the polymeric chains of  glucose monomers linked together by beta 1,4  glycoside linkages, t is the most abundant organic molecule which is a structural unit of plants.

Cotton and paper are the examples of cellulose containing product which comprises about 4000-8000 glucose molecules with beta bonds between the 1st C of the first unit and the 4th carbon of the next glucose unit.

There two forms of cellulose like hemicellulose and lignin, cellulases is the enzyme which can hydrolyze the cellulose into its monomers; cellobiose is another form of cellulose which is formed  from the hydrolysis of cellulose.

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Answer:

Explanation: Rhizomes are modified stems running underground horizontally. They strike new roots out of their nodes, down into the soil. They also shoot new stems up to the surface out of their nodes. This rhizome activity represents a form of plant reproduction.

Quorum regulation of luminescence in vibrio fischeri serves a native role in microbial quorum sensing and responds to quorum signaling molecule.

Microbiology is the branch of biology which deals with study of microorgnisms, either unicellular or multicellular. The importance of microbiology is that as we know that microorganisms are very important for our daily life and they play a major role in several biochemical processes such as change in climate, biotechnology, biodegradation and spoilage of food.

Biotechnology is advanced and developed technology that used to solve several problems of daily life and in the production of useful products. Biotechnology is used in various fiels such as industrial, animal and plant, humam, environmental. These are the different branches of biotechnology.

Therefore,Quorum regulation of luminescence in vibrio fischeri serves a native role in microbial quorum sensing and responds to quorum signaling molecule.

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it gives off protons because it's in a basic solution (pH>7)

Answer:

Mountain banshees are large, dragon-like aerial predators Bonding with a banshee and becoming an Ikran Makto is dangerous and required  the banshee or its rider can bond with a new partner should the previous one die

Explanation:

The mountain banshee is a dragon like predator that is due to the fact their predators are larger in size.

A mountain banshee is a large dragon-like aerial predator and is native to pandora. The creature is used for hunting and to travel larger distances.

As the Ikran are also used in battle they are enemies of the species and can attack the open air. They thus become prey to this species as they are much larger in size.

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Increase in blood flow to skeletal muscles:

1. Arterial blood pressure changes little during exercise. During exercise, metabolic demands on skeletal muscle increase dramatically. This causes the blood vessels that supply the muscles to dilate, increasing blood flow to the skeletal muscles.

2. The sympathetic nervous system plays an important role in regulating arterial blood pressure and blood flow during exercise, and several key neural mechanisms are involved in altering sympathetic vasomotor outflow.

How does the sympathetic nervous system affect blood flow?

In blood vessels, sympathetic activation narrows arteries and arterioles (resistance vessels), increasing vascular resistance and decreasing distal blood flow. When this occurs throughout the body, vascular resistance increases and arterial pressure rises.

How does the nervous system control blood flow?

Neurological regulation of blood pressure and blood flow depends on cardiovascular centers located in the medulla oblongata. This group of neurons responds to changes in blood pressure, blood oxygen levels, carbon dioxide, and other factors such as pH.

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Answer:

Texture

Explanation:

Answer:

The immature prefrontal cortex lead to  conflict for teens because the teenagers when they try to use the frontal lobe for reasoning, they tend to overdo it and then giving their brain much work to do. This leads to conflict in teens.

Explanation:

In teens, the prefrontal cortex is immature and develops until the mid-20s of their age. It covers the front part of the frontal lobe. As a result of the immaturity of the prefrontal cortex in teens, they do not think or make decisions like that of adults. When they try to overdo with their immature prefrontal cortex, they end up in conflicts.

Answer:

the se.x chromosomes, determine the biological sex of an individual: females inherit an X chromosome from the father for a XX genotype, while males inherit a Y chromosome from the father for a XY genotype

Explanation:

Answer:

Nitrogen cycle

Explanation:

Nitrogen gives nutrients to the soil

Answer:

the carbohydrate my dude

Explanation:

Answer:

Other nutrients found on a container of milk are fat, protein, sodium, cholesterol, vitamin A, C, D, and calcium.

Explanation:

This may vary on the type of milk you have based on nutrition labeling.

Answer:

c. Semantic and episodio

Explanation: hope this helps!

Leptospirosis is a widespread zoonotic and potentially life-threatening disease in humans and animals.

Numerous animal species keep Leptospira, the bacterium that causes this sickness, in their kidneys and excrete it in their urine. These creatures are a source of pollution for the environment and illness. Rats are an important reservoir host of the disease and have previously been reported to have Leptospira infection in the Caribbean island of Saint Kitts. However, there is presently no information on rats. The major objective of this study was to use a complementary set of diagnostic methods to identify Leptospira infection and exposure in two kinds of rats on Saint Kitts. Then, using a mix of serologic, molecular, and genomic methods, infecting Leptospira strains were described.

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Newer oral anticoagulants offer quite a few benefits over usual dealers (e.g. warfarin), however, they are nonetheless related to bleeding risk and currently, there is no validated reversal remedy for them. While there is a little guide for the use of sparkling frozen plasma, and restrained information handy on the outcomes of activated recombinant factor VII, preclinical statistics advocate that prothrombin complicated concentrates (PCCs) can also have possible in this setting. PCCs are presently used to successfully reverse warfarin-induced anticoagulation; however, scientific proof for their use with new oral anticoagulants is lacking, with most of the accessible records coming from preclinical animal studies. Furthermore, there appears to be variation in the capability of different PCCs to reverse the coagulopathy brought about by way of the new anticoagulants, and a lack of correlation between the reversal of laboratory check consequences and the reversal of anticoagulant-induced bleeding. Although there have been encouraging results, care must be taken in generalizing findings from animal fashions and nonbleeding human subjects to the state of affairs in bleeding patients. Ultimately, more evidence supporting anticoagulation reversal for new anticoagulants is needed, specifically related to the remedy of bleeding in human patients in a scientific setting. According to the present-day evidence, the use of PCCs can also be considered a sensible strategy in dire scientific situations; however, a consensus has not yet been reached concerning PCC use or dosing, due to lack of scientific data.

Anticoagulants are drug treatments that assist prevent blood clots. They're given to humans at a excessive threat of getting clots, to limit their probabilities of growing serious stipulations such as strokes and heart attacks. A blood clot is a seal created through the blood to stop bleeding from wounds.

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Answer: mitochondria

Answer:

1. 8000 meters

2. Fossils

Explanation:

1. Rate of southern movement of the plate = 2 cm/year.

In 4000 years, the plate will move a distance of 4000 years * 2 cm/year = 8000 meters

Therefore, the plate will move a distance of 8000 meters south in 4000 years.

2. Wegener in supporting his theory of continental drift used fossils, geologic and glacial evidences. He compared the fossils found in different continents and argued that the presence of fossils of certain animal fossils such as the Lystrosaurus which are found in antarctica, India and South Africa indicates that the continents drifted apart as the Lystrosaurus could not have swam across the ocean to get to these different continents. Also, using geologic evidence by comparing rock structures on opposite sides of the Atlantic ocean, he determined that there were similarities between the rock strata of the Karroo system of South africa with the Santa Carina system in Brazil.

Answer:

There is a different reason for Earth's seasons. Earth's axis is an imaginary pole going right through the center of Earth from "top" to "bottom.". Earth spins around this pole, making one complete turn each day. That is why we have day and night, and why every part of Earth's surface gets some of each.

Explanation:

Answer:

the Earths rotation

Explanation:

when axis is tilted to the sun, that part of the earth is summer when it is not its winter and spring and fall are between these

Answer:

Plants

Explanation:

biotic means living

Plants are the only living thing out of the answer choices

Answer:

Please find the difference below and their respective examples

Explanation:

Previously existing organisms leave behind evidences of their existence in form of remains that has been collected and mineralized called FOSSILS. However, the fossils of an organism (plant or animal) can either be a trace fossil or an original remain/body fossil. The difference between the two are as follows:

- An original remain is the fossilized body or body part of an organism that once existed. For example, bones, shells and fossilized leaf are examples of original remains.

- On the other hand, trace fossils refers to any form of evidence, apart from the organism's body, that suggests the presence of that organism in that particular place at a particular time. Trace fossils are said to be illustrate presence of life but indirectly (via their activities). Examples of trace fossils are burrows, tracks, marks etc.

Answer:

THE CROC 2020!!!!!!

Explanation:

Answer:

crocodile will win

Explanation:

hope helps you

Classifying microorganisms poses a greater challenge compared to higher organisms largely because microorganisms cannot be classified into functional groups based on anatomical characteristics or biological properties.

Classification of living organisms is the process by which living organisms are classified or grouped together based on similarities in structure and function of body parts.

The higher organisms, plants and animals are more easily classified than microorganisms because they not have very similar anatomical or biological characteristics.

In conclusion, classification is the process by which living organisms are placed into classes based in shared features.

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