what is the term used to describe when a person is begins making antibodies against a pathogen

Answer:

Brain

Explanation:

The nucleus of the cell contains all the information that a cell requires to operate. So, in a way, it acts as the brain of the cell.

Answer:

A

Explanation:

i got it right

Answer:

A

Explanation:

me too

Answer:

Robert Hooke was the English scientist that used the term call to describe the structures of cork under a microscope

Answer:

B.a model used to show how organisms are related in an ecosystem based on how they get their energy

Explanation:

Answer: I believe that you're asking which phrase is correct, but if that isn't the case then I'll give you the true statement and the incorrect statement.  Let me know if my answer is wrong.

True statement: A is correct, the skeletal muscle works with your bones to create movement. Sorta like a lever. C is a true statement.

B is incorrect.

Explanation:

Answer:

Sedimentary rocks can be organized into two categories. The first is detrital rock, which comes from the erosion and accumulation of rock fragments, sediment, or other materials—categorized in total as detritus, or debris. The other is chemical rock, produced from the dissolution and precipitation of minerals.

Explanation:

blame the internet if this is wrong

Humans have been making practical use of combustion for thousands of years. Cooking food and heating homes have long been two major applications of the combustion reaction. They also help in the production of energy in thermal power plants and burning of Wax candle.

There are various disadvantages of combustion on the environment such as gas leaks, oil spillage, noise and air pollution. Incomplete combustion of hydrocarbons also results in carbon monoxide pollution. An odorless, colorless gas, carbon monoxide can be harmful to both the environment and to people.

Benjemin

Answer:

Water helps alligators in many ways but the big reason why they need water is it helps regulate their body temperature.

Answer:

they use water to hunt considering they can travel more quickly in the water and they are primarily freshwater animals

Explanation:

Answer: The need for classifying and naming organisms scientifically

Explanation:

Exchange of carbon dioxide occurs because blood in the pulmonary capillaries has a higher partial pressure of carbon dioxide than atmospheric air does. Therefore, carbon dioxide diffuses out of the plasma into the lung. Hence, the answer is true.

The pulmonary capillaries are thin-walled (just about one cell thick) blood vessels that are found in the lungs, or more specifically, close to the alveoli (air sacks) to enable gaseous exchange between the blood plasma and the atmospheric air. In order to understand how gaseous exchange works in the pulmonary capillaries, we need to understand how gases behave.

Air is made up of gases. Air also exerts pressure on the surfaces they come in contact with. According to Dalton's law, this pressure can be gotten by adding up the partial pressure of the indivigual gases in air. The more the concentration of that gas, the more the partial pressure that gas will have. If the partial pressure of a gas is higher in one area, the gas tends to remove to concentration gradient by diffusion.

In the pulmonary capillary, the partial pressure of carbon dioxide is about 45mmHg, while the partial pressure of carbon dioxide in atmospheric air is about 40mmHg. This difference in partial pressures causes carbon dioxide to diffuse out of the blood plasma. Therefore, the answer to the question above is true.

Learn more about the pulmonary capillaries here:

https://brainly.com/question/14411709

#SPJ4

Answer:

To measure temperatures of chemicals

Explanation:

Answer:

C

Explanation:

Because it makes more sence

Frozen raindrops that hit the earth's surface are known as sleet (Ice Pellets). When sleet first forms, snow will be the precipitation that falls upwards. Thus, option C is correct.

Both sleet and freezing rain develop using the same fundamental mechanism: liquid droplets in a layer of warm air above the surface descend into a layer of freezing air close to the ground.

When snowflakes fall through a thin layer of warm air, they only partially melt, resulting in sleet.

These slushy drops then refreeze as they fall through a thick layer of icy air above the surface, and when they finally make it to the ground, they do so as frozen raindrops that bounce as they hit the ground.

When rain falls through a chilly layer and directly on the ground, it freezes on contact and forms a layer of ice. This is known as freezing rain.

Therefore, Snow that falls from a cloud and melts as it passes through an upper layer before falling back through a lower layer below freezing is known as sleet.

Learn more about snow here:

https://brainly.com/question/14267356

#SPJ2

If a man carries a harmful sex-linked gene on his X chromosome, he will pass this on to his daughters. This is because daughters inherit one X chromosome from each parent, while sons inherit one X chromosome from their mother and one Y chromosome from their father.

Therefore, if the father has the harmful gene on his X chromosome, his daughters have a 50% chance of inheriting it. However, sons have a 50% chance of inheriting the father's normal X chromosome, and a 50% chance of inheriting the father's Y chromosome, which does not carry the harmful gene.

It is important to note that if the father has only sons, the harmful gene will not be passed on to his offspring. Overall, the inheritance of sex-linked genes is a complex process, but understanding it can help individuals make informed decisions about genetic testing and family planning.

you know more about man carries a harmful sex-linked pls visit-

https://brainly.com/question/2192743

#SPJ11

True. Septicemic plague is a rare form of plague that occurs when the bacteria enter the bloodstream directly, rather than through the usual route of a flea bite.

Symptoms usually include fever, chills, extreme weakness, abdominal pain, shock, and sometimes bleeding under the skin, in the lungs, or in other organs. Septicemic plague is often fatal if not treated promptly with antibiotics. Septicemic plague is a rare and potentially life-threatening form of plague caused by the bacterium Yersinia pestis. It is spread through contact with an infected animal or person, or through flea bites. The infection typically causes fever, chills, weakness, abdominal pain, and swelling of the lymph nodes. If left untreated, it can lead to organ failure and death. Treatment involves antibiotics, supportive care, and in some cases, surgery.

To know more about Septicemic plague visit:

https://brainly.com/question/29647569?referrer=searchResults

#SPJ4

Answer:

meiosis I

Explanation:

Meiosis is a special type of cell division of germ cells in sexually-reproducing organisms that produces the gametes, such as sperm or egg cells. It involves two rounds of division that ultimately result in four cells with only one copy of each chromosome

Meiosis 1 refers to the initial stage of meiosis where one parent cell divides into two daughter cells. This stage is where homologous pairs of chromosomes will segregate and separate from each other and move into the two daughter cells which result in the division of the total chromosomal number by half.

Similar to plants on land, kelp uses sunlight's energy to produce its own nourishment. Photosynthesis is the name of this process. The plant absorbs sunlight and energy particles.

In cold, nutrient-rich seas, kelp grows well. Kelp forests are always coastal and require shallow, somewhat clear water because kelp adheres to the seafloor and eventually grows to the water's top and depends on sunshine to produce food and energy.

Kelps are very young plants, but they extract enormous amounts of carbon from the atmosphere, a process known as "primary productivity." With the aid of sunshine and water, they convert atmospheric carbon dioxide into sugar fuel, releasing oxygen back into the atmosphere.

to know more about sunlight here;

brainly.com/question/6534510

#SPJ1

A nucleotide is made up of a sugar molecule connected to a phosphate group and a nitrogen-containing base. These bases in nucleotides are adenine, cytosine, guanine, and thymine (Note: Thymine is not present in RNA so it is replaced with Uracil.)

Answer:

Holistic kinesiologists would likely see the human body as a complex and dynamic system, with physical, emotional, and energetic aspects that are all interconnected and contribute to overall health and well-being.

Holistic kinesiologists would likely conceptualize the human body as a complex system of interrelated parts, with physical, emotional, and energetic aspects that all contribute to overall health and well-being.

They would view the body as a holistic entity, meaning that all parts of the body are interconnected and cannot be fully understood or treated in isolation.

Learn more about holistic kinesiologists at: https://brainly.com/question/23082203

#SPJ1

Answer:

B: new species

Explanation:

These are mutations to the genetic code and over time they can create a new species.

Answer:

B. new species

Explanation:

Small changes can add up over multiple generations to make new species.

Answer:

posting my fren. D all

Explanation:

Answer:

because of we dont take good care of our. enviroment and the heart by clean it up we are going to star with out any animal

Explanation:

it is very important to take care of all the rings that are around us

Answer:

D. Stem cells are often extracted from human embryos.

Explanation:

This is a major point of ethical concern and is also a root for many abortion conspiracy theories. The reason it is an ethical concern is because harvesting stem cells often times kills the embryo.

ORF stands for "Open Reading Frame." An open reading frame is a segment of DNA that does not contain any stop codons and can potentially be translated into a protein molecule. A codon is a sequence of three nucleotides that encodes a specific amino acid.

For protein synthesis to occur, a start codon must first be encountered in the sequence, followed by a string of codons that will encode the amino acids that will form the protein chain. In terms of genome annotation, open reading frames can be useful because they can be used to identify potential protein-coding genes within the genome.  Explain in 120 words how to identify the total number of ORFs using the partial sequence of chimpanzee DNA.

Identifying the total number of open reading frames (ORFs) in the partial sequence of chimpanzee DNA can be a challenging process. The first step is to examine the sequence for start codons (typically AUG in eukaryotes). A start codon signifies the beginning of a potential open reading frame. Once a start codon is located, the sequence is scanned for the next stop codon (UAA, UAG, or UGA).

If a stop codon is found, the segment of DNA between the start and stop codons is considered to be an open reading frame. However, this process is not always straightforward. For example, some sequences may contain multiple start codons, which can lead to overlapping open reading frames. Additionally, some stop codons may be ignored if they are located within a longer sequence of codons that ultimately leads to the translation of a functional protein. Therefore, identifying the total number of open reading frames requires careful inspection and annotation of the sequence.

learn more about protein synthesis here

https://brainly.com/question/884041

#SPJ11

Experiments in which all variables are identical except for one are called controlled experiments. Controlled experiments are essential in scientific research as they allow researchers to isolate and manipulate specific variables in order to observe the effect that they have on the outcome of the experiment.

By holding all other variables constant, controlled experiments enable researchers to establish a cause-and-effect relationship between the manipulated variable and the observed outcome. This is important in understanding the relationship between different factors and how they impact the outcome of an experiment.

Controlled experiments are commonly used in many fields including psychology, biology, and physics. For example, in a biology experiment, researchers may use controlled experiments to observe the effect of a specific drug on a group of cells, while in physics, researchers may use controlled experiments to observe the effect of changing the temperature on the behavior of a gas.

Overall, controlled experiments are an important tool for scientific research as they enable researchers to establish a causal relationship between variables, which can lead to a greater understanding of the natural world.

For more questions on: Controlled experiments

https://brainly.com/question/17812413

#SPJ11