What caused teenagers and young adults to be more affected in the 1918 influenza
pandemic?
A. Pain
B. Fever
C. Headache
D. Cytokine storm

Even when asymptomatic, the virus can still be actively multiplying and killing cells in the immune system that help fight pathogens. This is further explained below.

Generally, the virus is simply defined as a virus consisting of a core of genetic information, either DNA or RNA, wrapped by a capsid, which is a protective covering formed of protein.

In conclusion,  It is possible for the virus to be actively reproducing and destroying immune cells even in the absence of any outward symptoms.

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The two solids are at the same temperature

Answer:

GCA CGU Arginine

ATG UAC Tyrosine

CAC GUG Valine

After deletion of "G".

CAA GUU Valine

TGC ACG Threonine

AC UG ---

Answer:

Normal Strand: alanine - methionine - histidine
Mutated Strand: glutamine - cysteine - no third amino acid.

Explanation:

Messenger ribonucleic acid (mRNA) is the RNA that is used in cells for protein synthesis. It has a single strand made by the transcription of DNA by RNA polymerase. It contains four nucleotides: Adenine (A), Guanine (G), Cytosine (C), and Uracil (U).

Before transcribing, we need to create the complementary strand of the DNA. We're going to write out the nucleotides of the complementary strand by matching the nucleotides in these pairs: (A & T) and (C & G).

              Normal Strand: GCA ATG CAC
Complementary Strand: CGT TAC GTG

Next, we can transcribe this to find our mRNA. We're going to do the same thing to the complementary DNA strand, but with Uracils instead of Thymines. So our pairs are: (A & U) and (C & G)

Complementary DNA Strand: CGT TAC GTG
                        mRNA Strand: GCA AUG CAC

You'll notice that the mRNA strand is almost exactly like the new mRNA strand, but with Uracil instead of Thymine.

Each set of three nucleotides is known as a codon, which encodes the amino acids that ribosomes make into proteins. To read the codons, you need to have a chart like the one I attached. Start in the middle and work your way to the edge of the circle. Some amino acids have multiple codons. There are also "stop" and "start" codons that signify the beginning and ends of proteins.

mRNA Strand: GCA AUG CAC
Amino Acids:   Ala   Met   His

Our sequence is alanine, methionine, and histidine.

A frameshift mutation occurs when a nucleotide is either added or removed from the DNA. It causes your reading frame to shift and will mess up every codon past where the mutation was. This is different than a point mutation, where a nucleotide is swapped because that will only mess up the one codon that it happened in. Frameshift mutations are usually more detrimental than point mutations because they cause wider spread damage.

Let's repeat what we did earlier on the mutated strand to see what changed.

              Mutated Strand: CAA TGC AC
Complementary Strand: GTT ACG TG
---
Complementary DNA Strand: GTT ACG TG
                        mRNA Strand: CAA UGC AC
---
mRNA Strand: CAA UGC AC
Amino Acids:   Glu   Cys   X
---
Our amino acid sequence is glutamine, cysteine, and no third amino acid.

As you can see, removing the first nucleotide of the strand caused every codon to change. The last codon is now incomplete and won't be read at all. If this happened in a cell, the protein that was created from this mutated strand would be incorrect and may not function completely or at all.

Transport of blood under high pressure is done through the concerted efforts of the heart and arteries.

Transporting blood under high pressure can be explained in the following steps:

As a result of the above, the high pressure of blood is maintained and transported to the extremities of the body.

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The second artery that branches off the aortic arch is the left common carotid artery.

The left common carotid artery is a blood vessel that emerges from the aorta in the hearth.

The left common carotid artery is one of the most important branches of the arterial system.

In conclusion, the second artery that branches off the aortic arch is the left common carotid artery.

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Answer:

more than likely fruits and berries or natural sugars

Explanation:

50,000 x 0.10 = 5,000J energy did the zooplankton get from the phytoplankton. thus option B is correct.

In ecology, the food chain is the flow of substance and energy from one organism to another in the form of food.

A process cycle from producer to consumer to decomposer is referred to as a food chain.

Plants, herbivores, omnivores, and carnivores all exist. Beginning with plants, moving on to herbivorous insect, spiders, a small bird, a snake, a hawk, a fox, and a lion When a person passed away, a hyena would consume their body. When the hyena passed away, the body would disintegrate, becoming food for worms, and then become fertilizer for plants. so according to 10 percent rule, zooplankton get 5000 j of energy from phytoplanktons.

The food chain's cycle will then repeat itself time and time again.

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Answer:

C. 50,000 KG

Explanation:

edge 2022 :)

Answer:

A. It saves energy for the organism to produce fewer chromosomes.

B. Asexual reproduction requires fewer chromosomes than sexual

reproduction

C. If it did not, the chromosome number would double in each

generation

D. Organisms reproduce sexually by joining two tetrads together.

The animal group which lacks true tissues and includes species that are asymmetrical is referred to as sponges.

These are invertebrate animals which belong to the phylum porifera and consists of lots of pores.

They don't give equal parts when divided into half and they lack the  presence of true tissues.

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The animal group which lacks true tissues and includes species which are asymmetrical is; Sponges.

It follows from biology of classifications that the defining characteristic of sponges includes the fact that they lack true tissues and the species are asymmetrical. Hence, the features indicated in the task content are suggestive of sponges.

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Signal peptide are often found at the N-terminus of secreted proteins.

A signal peptide is a short peptide present at the N-terminus of most newly synthesized proteins that are destined toward the secretory pathway.

The following statements describes general aspect of signal sequences;

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In analyzing the number of different bases in a DNA sample, the result would be consistent with the base-pairing rules is A+G = C+T.

Base pairing occurs precisely: a purine base binds to a pyrimidine – adenine (A) on one chain pairs with thymine (T) on the other and guanine (G) pairs with cytosine (C).

In this case, the base pairing rule states that the number of adenine is equal to number of thymine. Similarly, the number of guanine is equal to number of cytosine.

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Answer:Our solar system formed at the same time as our Sun as described in the nebular hypothesis. The nebular hypothesis is the idea that a spinning cloud of dust made of mostly light elements, called a nebula, flattened into a protoplanetary disk, and became a solar system consisting of a star with orbiting planets

Explanation:

Answer:

With the findings of the 2016 Census count on population and dwellings, Statistics Canada gives Canadians a first look at the most recent national statistical snapshot.

The census counts 35,151,728 persons who said they lived in Canada on May 10, 2016, and displays population growth patterns across the country.

The organization will provide the complete spectrum of census data during the following year, as Canadians commemorate 150 years since Confederation, in order to portray a truthful picture of Canadians' lives and communities.

In 1871, the first census following Confederation recorded 3.5 million people in Canada, while the population figure in 2016 was ten times higher. When Canadians celebrated the 100th anniversary of Confederation in 1967, that number had risen to 20.0 million people (1966 Census).

Canadians have been making their way west for many years. The four founding provinces of Ontario, Quebec, New Brunswick, and Nova Scotia housed the majority of Canadians in 1871, whereas Western Canada was lightly populated. Manitoba, Saskatchewan, Alberta, and British Columbia accounted for over a third of the population in 2016.:

Silt, clay, and Sand would be more likely to find the sediment near location A, while cobble and boulder would be more likely to find the sediment near location B in the diagram of the stream.

Sediments may be defined as naturally occurring elements or materials that are broken down into small pieces of fragments due to weathering and erosion.

The sediments of silt are found in soil along with other types of sediments such as clay, gravel, and sand. While cobble and boulders are those sediments that are found in the mountainous part of the geographical locations.

Thus, it is well described above.

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Following are made up of cells:

Wooden table -No

Glass sheet- No

Liver- Yes

Plastic bag- No

Kidney- Yes

Cells are the smallest unit that can live on its own and that makes up all living organisms and the tissues of the body.

Yes, Each lobule is made up of numerous liver cells, called hepatocytes. these hepatocytes are arranged in row forming sinusoids. Small blood vessels diffuse oxygen and nutrients through their capillary walls into the liver cells.

Yes, There are at least 16 different highly specialized epithelial cell types in the mammalian kidney.

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Answer:

as more people come to life in ur country others leave to stay in other countries

A culture is a group of microbes growing in a nutrient-rich environment.

A culture refer to a media which contain nutrients or nutritious substances that support the growth and replication of micro organisms.

Therefore, A culture is a group of microbes growing in a nutrient-rich environment.

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Stegosaurus and ankylosaurus are united in a group called; Thyreophora

Stegosaurus and ankylosaurus are united in a group called Thyreophora.  They belong to that group because under the classification of dinosaurs, the Thyreophora consist mainly of Stegosauria which are commonly known as the plated dinosaurs and Ankylosauria which are commonly called the armored dinosaurs.

It should be noted that this group could also include their more basal relatives like Scutellosaurus and Scelidosaurus.

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The blank space in the task content should be filled with; Prokaryotic (unicellular).

Bacteria are a host of unicellular organisms prokaryotic in nature, and are characterized by lack of a true nucleus and other cellular organelles. The bacteria cell is most often composed of the cell wall, plasmid, cytoplasm and flagella.

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Bacteria are single-celled organisms that lack membrane bound organelles


Single celled organisms are also know as prokaryotes. The characteristics of prokaryotes includes;

- They lack nuclues
- They reproduce asexually(binary fission)
- Their cell wall is composed of amino acids and carbohydrates


Bacteria are found all over our surroundings, they can also be found in the human body. They come in different shapes and structures such as cocci, rod, vibro, spiral.

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Answer:

Diffusion is the process in which molecules and ions move from a region of high concentration to low concentration. Its also how cells transport waste out of the cell and nutrients into it hence being very crucial. Diffusion also occurs without the expenditure of extra energy using a procedure known as passive transport. (Osmosis is a form of diffusion but deals with water exclusively).

Examples of where diffusion is important;

In the intestines - Digested food molecules such as amino acids and glucose move down the concentration gradient from the intestine into the bloodstream. Wastes such as carbon dioxide or urea travel via diffusion from the body's cells to the bloodstream.

Osmosis plays a major role in living organisms. It aids in the transportation of nutrients from cells to cells and also helps to remove the waste's metabolic products from the cell. The purification of blood in the kidneys is also dependent on the process of osmosis.

Answer: D. Secondary

Explanation:

An ecological disturbance is a circumstance caused by an agent that can be of biological or non-biological origin. The agent is capable of bringing negative changes to an ecosystem. Fire is an example of ecological disturbance. In the given situation, the forest burns down the trees are an example of the direct interaction of fire with the trees; therefore, it is a primary disturbance. Nevertheless, this interaction led to the loss of habitat of animals forced to move to other areas as the fire burned the trees. It is called secondary disturbance.

Answer:

Blood vessels in the dermis dilate in the hot days or during exercise to cool off the body by sweating. During cold, the same blood vessels will constrict to keep the body warm and reduce the heat loss.  

Explanation:

Answer:

A.) conversion of chemical energy to heat energy

D.) Photosynthesis creates energy that the plant stores, and cellular respiration utilizes the energy.

D.) The populations of marsh snails and painted turtles will decrease.

Explanation:

When energy is stored in wood, it is being stored as chemical energy. This energy is being stored in the bonds that hold the wood molecules together. Once you begin to burn the wood, these bonds are breaking. As this happens, the chemical energy turns into heat energy (aka. thermal energy) and is released into the atmosphere.

Photosynthesis converts light energy from the sun into chemical energy that can be accessed by the plant later. During cellular respiration, the plant breaks down the molecules which store the energy in the form of chemical energy and accesses the energy.

When you decreases the amount of phytoplankton, the marsh snails have less food to feed on. As a result, more phytoplankton will starve. This results in the decrease of the marsh snail population. Because the marsh snail population decreases, the same will happen to the painted turtles.

A.) conversion of chemical energy to heat energy

D.) Photosynthesis creates energy that the plant stores, and cellular respiration utilizes the energy.

D.) The populations of marsh snails and painted turtles will decrease.

The characteristics of allosteric enzymes are regulatory molecules can bind and modify the catalytic activity of these enzymes.

Enzymes are proteins that catalyze chemical reactions that occur in living things. They speed up the speed of reactions, which contributes to metabolism. Without enzymes, many reactions would be extremely slow. During the reaction, the enzymes do not change their composition and are not consumed either.

In this case, Allosteric enzymes are enzymes that contain a region separate from the substrate to which small regulatory molecules can bind and modify the catalytic activity of these enzymes.

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The arteriole can reduce the blood flow into capillaries because the pressure difference between two ends.

Arterioles are final branches of the arterial system. Arterioles regulate the distribution of blood in different capillary beds by vasoconstriction and vasodilation in localized regions, because their walls contain circularly arranged smooth muscle fibers.

So the flow through a blood vessel is entirely determined by the pressure difference between the two ends of the vessel, which is the force pushing blood forward through the vessel, and the obstacle to flow.

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Answer:

soil reaction is an indication of the acidity or alkalinity of soil and is measured in pH units

The statement "If a theory becomes supported by evidence, it can become a law" is false because it should read, “A theory and a law are already both supported by evidence and are equal, but they have different functions.” Thus, the correct option is C.

Evidence may be defined as the general body of attributes or information suggesting whether speculation or recommendation is authentic or valid.

In scientific methods, both theory and law are supported by evidence but they have different functions.

The function of theory illustrates an explanation of the statements and discoveries accumulated during the process.

While the function of law illustrates an experimental circumstance in nature that is genuine whenever it is positioned to experiment.

Therefore, it is well described above.

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Bacteriostatic antibiotics inhibit the replication of microorganisms and prevent the growth of the organism without destroying them.

An antibiotic refer to chemical substances that hello to destroy, kill or inhibit the growth of microorganisms in the body to prevent infections.

Therefore, Bacteriostatic antibiotics inhibit the replication of microorganisms and prevent the growth of the organism without destroying them.

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