Immune surveillance, which also includes cancer immunoediting, refers to a host cells defense process wherein the immune system detects and gets rid of dangerous invaders.
By releasing stored and induced ANTIMICROBIAL PEPTIDES, chemotactic proteins, and cytokines, cutaneous mast cells, LANGERHANS CELLS, dendritic cells (DCs), and macrophages offer an early warning system. Natural Killer Cells (NK Cells) are big lymphocytes that attack and destroy bacteria as well as any transport tissues host cells that are infected with viruses or cancer. They are responsible for immune monitoring. T and B cells are the immune cells of the adaptive immune response, while NK cells are a part of the innate immune response since they do not require activation. antigen-presenting phagocytic cells are one kind.
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Is correct ???? I need help :(
Answer:
i think its right but maybe get a second opinion
Explanation:
_____ are specialized cells that process and transmit information through both electrical and chemical signals.
Neurons are specialized cells that process and transmit information through both electrical and chemical signals. Neurons are specialized cells that are responsible for the function of the nervous system. Neurons communicate with each other through synapses, which are specialized junctions between the axon of one neuron and the dendrites or cell body of another neuron.
Neurons are made up of three main parts
The cell body contains the nucleus and other organelles necessary for the normal functioning of the cell.Dendrites are short, branching extensions that receive incoming signals from other neurons or sensory receptors. The axon is a long, thin extension that transmits outgoing signals to other neurons or to muscles or glands.Learn more about neurons: https://brainly.com/question/13061744
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Cell division results in reproduction, growth, replacement and recycling of the organism.
true or flase
Answer:
False
Explanation:
Answer:
True
Explanation:
Cell division is a form of reproduction in cells. It helps in the replacement of old cells, and allows multicellular organisms to develop from one cell.
What type of macromolecule is fructose?
A: protein
B: lipid
C: carbohydrate
D: nucleic acid
The fructose is a carbohydrate, it is important to note that it has a different metabolic pathway compared to glucose Excessive consumption of fructose, especially in the form of high-fructose corn syrup found in many sweetened beverages and processed foods, has been linked to health issues such as obesity, type 2 diabetes, and metabolic syndrome.
It belongs to the monosaccharide group of carbohydrates, which are simple sugars.
Monosaccharides are the basic building blocks of more complex carbohydrates like disaccharides and polysaccharides.
Fructose is a hexose sugar, meaning it contains six carbon atoms.
It is a ketose sugar, which means the carbonyl group (C=O) is found within the carbon chain.
The molecular formula of fructose is C6H12O6.
Fructose is naturally found in various fruits, honey, and some vegetables. It is commonly known as fruit sugar due to its abundance in fruits.
It is also used as a sweetener in many processed foods and beverages.
As a carbohydrate, fructose is an important source of energy for the body.
When consumed, it is broken down during digestion into glucose, another monosaccharide, which can be utilized by cells for energy production.
Fructose plays a role in many biological processes, including glycolysis, which is the breakdown of glucose for energy production.
It is also involved in the synthesis of glycogen, which is the storage form of glucose in animals.
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explain why the statement below is incorrect
plants give off carbon dioxide into the air
Answer:
plants don't give off carbon dioxide because they use carbon dioxide to make oxygen
A substance has a half-life of two days. If 10 days have passed, how many half-lives have the substance gone through?
show your work!!
Half life of the substance will be 5 days i.e. 10/2=5
The term is most often used in the context of radioactive decay, which occurs when unstable atomic particles lose energy.
What is half life?It is the time required for a quantity to reduce to half of its initial value.
What is radio active decay?Radioactive decay is the process by which an unstable atomic nucleus loses energy by radiation
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3. What is the scientific term for a group of interacting individuals of the same type, living in the same area at the same time?
Answer: The scientific name is called POPULATION.
Explanation:
In basic ecological studies, POPULATION is defined as a group of interacting individual of the same type or species, living in the same area or habitat and at the same time.
Furthermore, to study a population of organisms, the different characteristics seen include:
--> Population size: This is important as it affects the survival of a given species in a habitat. A small population may be easily wiped out by events such a fire but a large population stands a better chance of survival.
--> Population frequency: This is simply how often the species occurs at different sites in a habitat.
--> Population density: this is the average number of individuals of a species per unit area of the habitat.
--> Percentage cover: This is the area of ground occupied by a given species in its habitat.
--> Distribution: This is the way in which individuals of a particular population are arranged in a habitat. They may be clumped, evenly spaced or randomly spaced.
Compare the exponential model and the logistic model of population growth. NEED FOUR SENTENCES
Answer:
When the resources are infinite (cyclic), the population exhibits exponential growth, resulting in a J-shaped curve ... In logistic growth, population expansion decreases with the scarcity of resources. It turns off when the carrying capacity of the environment is reached, resulting in an S-shaped curve.
What is the function of RNA polymerase in the process of transcription?
A. It turns RNA into a polymer (long chain of repeating molecules)
B. It turns DNA into a polymer (long chain of repeating monomers)
C. It unzips RNA
D. it unzips DNA
Pls help answers this from 1-6
Answer:1Monkey
2:BANNA
3:chimp
4:albino
5:DAB
Explanation:
a type of invisible energy from the sun that we need
Organisms need Ultraviolet Light to make Vitamin D, a vitamin that is necessary for strong bones and a healthy immune system.
What is Ultraviolet Light?
Ultraviolet light is Invisible rays that are part of the energy that comes from the sun. Ultraviolet radiation that reaches the Earth's surface is made up of two types of rays called UVA and UVB. Ultraviolet radiation also comes from sun lamps and tanning beds.
Therefore ultraviolet radiation is widely used in industrial processes and in medical and dental practices for a variety of purposes such as killing bacteria creating fluorescent effects. Different UV wavelengths and intensities are used for different purposes
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6. How might zebra mussels be used to improve lake systems?
a. they can be grown as food for humans
b. they can be used to strengthen dams and levies
c. they clean the water of pollutants
d. they remove algae from the water
Zebra mussels might be used to improve lake systems d. they remove algae from the water.
What should you know about Zebra mussels?Zebra mussels filter feed. they consume small particles that are in the water, which algae and other microscopic organisms.
As such, they can be used to effectively clean the water of these components, which might sometimes be seen as pollutants, and increase water clarity.
The only downside to this plan is the risk of overpopulation of Zebra mussels. They are known to grow fast.
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Which cranial nerve is in charge of the motor control of the muscles that move the tongue?.
Answer:
Hypoglossal nerve
Explanation:
The hypoglossal nerve controls muscles that move the tongue,
Which of the following is not a physical property of iron?
Answer:,
Explanation:,
Which statement best describes a benefit of conducting a comparative investigation over collecting data from the Internet? A comparative investigation can be repeated in a short time while collecting the continuous data from the Internet takes longer. Conducting a comparative investigation is always less expensive than an investigation in which data is obtained from the Internet. Conducting a comparative investigation is always less time consuming than obtaining data from the Internet. A comparative investigation can provide a wider range of data than can be obtained from the Internet.
The best option that describes a benefit of conducting a comparative investigation over collecting data from the Internet. While gathering the ongoing data from the Internet takes more time, comparative investigations may be repeated quickly.
The correct option D.
Comparative investigations involve gathering data on several populations or creatures under various circumstances in order to draw comparisons. Example: Examining the hue and texture of four distinct pebbles using a hand lens.
While experimental investigations include factors that can be controlled, comparative investigations allow for the inclusion of a broad variety of variables but lack a control group. Both comparative and experimental research are intended to provide scientific insights.
In order to make a comparison, comparative research may entail collecting data on various creatures, items, or traits or gathering data under various circumstances (e.g., seasons, temperatures, places).
The complete question is:
Which statement best describes a benefit of conducting a comparative investigation over collecting data from the Internet?
A. A comparative investigation can be repeated in a short time while collecting the continuous data from the Internet takes longer.
B. Conducting a comparative investigation is always less expensive than an investigation in which data is obtained from the Internet.
C. Conducting a comparative investigation is always less time consuming than obtaining data from the Internet.
D. A comparative investigation can provide a wider range of data than can be obtained from the Internet.
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what type of system is currently used to map the ocean?
Answer: echo sounding
Explanation:
Answer:
something that is a system of mapping the ocean is "echo sounding"
what is the difference between cell membrane and visking tubing
Explanation:
cell membrane- is a semipermeable tissue that selectively allows the movement of materials in and out of a cell while a visking tubing is a artificial cee membrane
Answer:
Explanation:
Cell membrane is a semi permeable wall found in living cells . It is separate the inside cell from the the outside environment. This allow the movement of substances in and out of the cell. It allow diffusion of gases in and outside the cell.
Visking tubing is made of regenerated cellulose which look aliitle bit similar sellotape when it is dry. It is an artificial membrane that is similar to the cell membrane. It is a selectively permeable membrane with small pores that allow the movement of smaller molecules in through them.
As a muscle I am responsible for regulating leaving teh body
Answer:
The digestive system is in charge of squeezing energy and nutrients out of all that ... Anus: The place where solid waste exits the body.
what are two body systems that work together within a Bee
Answer:
DIGESTIVE SYSTEM. The mouth is the first part of honeybees' digestive system. ...
RESPIRATORY SYSTEM. Honeybees do not have a specific organ for gas exchange.
Explanation:
HELP ME PLEASE-What type of growth? Explain some of the causes behind the type of population growth.
Answer:
Low Stationary or Low Fluctuating
Reasons:
-birth rate is low
-death rate has fallen
-total population is high and stationary
-life expectancy is very high
Various batteries, different sizes of iron nails, and a large roll of copper wire. The goal is to make an electromagnet that will pick up the most paperclips. Which of these will not contribute to increasing the strength of the electromagnet? A) increasing the number of coils of wire B) decreasing the voltage of the battery C) increasing the voltage of the battery D) using an iron nail
To contribute to increasing the strength of the electromagnet we increase the number of coils of wire.
So option A is correct.
What is electromagnet?An electromagnet is described as a type of magnet in which the magnetic field is produced by an electric current which usually consist of wire wound into a coil.
If a current is passed through the wire, it creates a magnetic field which is concentrated in the hole in the center of the coil.
In order to make your electromagnet pick up more paper clips or bigger paper clips, the right thing to do is increasing the number of turns in the coil of wire which will increase the strength of the electromagnet.
The greater the number of turns, the higher the magnetism.
In conclusion, one of the disadvantages of electromagnets is that they heat up very fast, hence lose electrical energy faster.
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what is the order of the distances of the terrestrial planets from the sun, from farthest to closest?
Answer:
The order of planets from closest to farthest from the Sun are Mercury, Venus, Earth, Mars, Jupiter, Saturn, Uranus and Neptune.
imagine that you know someone who developed a tumor that affected his or her ability to form new long-term declarative memories. though many parts of the brain are involved with memory, the part of the brain most likely affected by the tumor is the
The part of the brain most likely affected by the tumor in this case is the hippocampus.
The hippocampus is involved in the formation of long-term declarative memories, which involve facts, events, and experiences. Damage to the hippocampus can cause difficulty in forming new long-term memories, as well as difficulty in retrieving previously stored memories.
Additionally, damage to the hippocampus can cause difficulty in learning new information, as well as difficulty in consolidating new information into long-term memory.
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An organism’s traits are determined by the
A. number of the A-T and G-C pairs in RNA
B. sequence of the deoxyribose sugar in DNA
C. number of thymine bases in RNA
D. sequence of the nitrogenous bases in DNA
An organism’s traits are determined by the sequence of the deoxyribose sugar in DNA option (B)
what is an organism?Any living system that performs as a separate unit is referred to as an organism. All living things are made up of cells. Organisms are classified by taxonomy into groups such as multicellular animals, plants, and fungi; or unicellular microorganisms such as protists, bacteria, and archaea
what is DNA?Deoxyribonucleic acid is a polymer made of two polynucleotide chains that form a double helix around one another. All known living things, including many viruses, have genetic material in their polymers that direct how they should function, grow, and reproduce. Nucleic acids include ribonucleic acid and DNA.
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Euchromatin refers to regions of DNA that are loosely packed to increase the efficiency of transcription. Which of the following would you expect to find in a region of euchromatin?A. more thyminesB. fewer thyminesC. more histonesD. fewer histones
Euchromatin refers to regions of DNA that are loosely packed to increase the efficiency of transcription. "fewer histones" is the region that is likely to occur.
A region of euchromatin is expected to have "fewer histones." Euchromatin refers to regions of DNA that are less tightly packed with histones, allowing for easier access to the DNA for transcription and other cellular processes. The DNA in euchromatin is more accessible to the transcription machinery, whereas the tightly packed DNA in heterochromatin is inaccessible and typically silent. Transcription is the process of copying genetic information encoded in DNA into RNA. This is the first step in gene expression, where the information in the DNA is used to synthesize a functional protein. During transcription, an enzyme called RNA polymerase reads the DNA sequence and synthesizes a complementary RNA molecule.
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One way carbon moves from the atmosphere to the biosphere is through a process by which plants use light energy and convert it into biochemical energy. What is this process called?
photosynthesis
respiration
digestion
glycolysis
In photosynthesis, six molecules of carbon dioxide react with six molecules of water to produce oxygen and
glycerol.
glucose.
fructose.
fatty acid.
Which part of the environment incorporates carbon into the carbon cycle via water?
hydrosphere
geosphere
biosphere
atmosphere
What are the products of photosynthesis?
water and oxygen
glucose and oxygen
glucose and carbon dioxide
glucose and water
Which is considered the largest carbon reservoir?
atmosphere
fossil fuels
terrestrial biosphere
ocean
Proteins, nucleic acids, lipids, and carbohydrates are based on which molecule?
carbon
oxygen
nitrogen
hydrogen
Photosynthetic chemical reactions occur in organelles called
mitochondria.
chloroplasts.
ribosomes.
cytoplasms.
How many reservoirs make up the carbon cycle?
three
five
four
six
Which process transfers carbon from the atmosphere to the biosphere?
cellular respiration
Krebs cycle
photosynthesis
animal respiration
What is the overall scale of the carbon cycle?
molecular
organism
planetary
ecosystem
1. photosynthesis
2. glucose
3. hydrosphere
4. chloroplasts
5.
6. animal respiration
7. ecosystem
Carbon is one of the elements that are involved in the biogeochemical cycle.
One way carbon moves from the atmosphere to the biosphere is through a process by which plants use light energy and convert it into biochemical energy. This process is called photosynthesis. Plants use energy from the sun to combine carbon dioxide and water to form glucose.
In photosynthesis, six molecules of carbon dioxide react with six molecules of water to produce oxygen and glucose as follows;
6CO2 + 6H2O ---->C6H12O6 + 6O2. The products of photosynthesis are glucose and oxygen.
Carbon is incorporated into the carbon cycle via water in the hydrosphere when carbon dioxide dissolves into oceans as the bicarbonate ion. The oceans serve as the largest reservoir of carbon. About 37,000 billion tons of carbon are stored in the oceans out of about 65,500 billion tons of carbon available globally.
Proteins, nucleic acids, lipids, and carbohydrates are based on carbon. Carbon is contained in all biological molecules which makes it very important in biochemistry.
Photosynthesis is a chemical reaction as shown above. It occurs in the chloroplasts of plant cells which is able to trap energy from the sun in order for the process of photosynthesis to take place.
The reservoirs that make up the carbon cycle are four;
hydrospherelithosphereatmospherebiosphereCarbon is transferred from the atmosphere to the biosphere by photosynthesis when green plants absorb carbon in order to produce biomass. The overall scale of the carbon cycle is planetary.
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How might the long-term loss in soil nutrients influence the selection of forest cutting practices?
About 2yrs might the long terms loss in soil nutrients influence the selection of forest cutting practies.
Classify the hypothesis about the dwarf planet Pluto as falsifiable or non-falsifiable
The hypothesis about the dwarf planet Pluto is falsifiable. This means that the hypothesis can be tested through experiments or observations to determine whether it is true or false.
The hypothesis that Pluto is made of ice, can be tested by observing the planet's surface and analyzing its composition. If the results show that Pluto is not made of ice, then the hypothesis is proven false.
On the other hand, a non-falsifiable hypothesis is one that cannot be tested or proven false. For example, if the hypothesis is that Pluto is the most beautiful planet in the solar system, this cannot be tested or proven false because beauty is a subjective concept and cannot be measured objectively.
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Article of plastic in the ocean.
Why or how does the article occur ?
Also provide a brief personal reflection on the article that you have given me
Earth's last sink for plastic waste, the oceans, receive the majority of it from the land. Major rivers operate as conveyor belts, gathering up debris as they flow downstream and carrying it to the ocean. Many pieces of plastic waste that are floating at sea stay in coastal waters.
Why is plastic in the ocean happening?Plastic garbage is transported through drains, streams, and rivers by wind and rain. Ocean access is via drains! Another significant factor is careless and incorrect garbage disposal; unlawful rubbish dumping significantly contributes to the plastic pollution of our oceans.Being such a persistent contaminant, plastic waste is particularly harmful. Decomposition of plastic products might take hundreds of years. Both people and animals are at risk from this garbage. In the debris, fish become entangled and hurt, and some animals mistakenly eat things like plastic bags thinking they're food.To learn more about : Plastic pollution
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Which of the following do ALL living things need in an ecosystem? select all that apply
matter
sunlight
energy
soil
Answer:
sunlight, energy
Explanation:
i dont really have an explenation