The warmth and redness of the surrounding area of the cut is due to the immune system.
Blood carries white blood cells, which attacks pathogens (Cause of infection)
The surface become red and warm as that is a conjugating area of blood.
which statement best describes how an existing theory is often affected by the development of new technology
Answer:
ringthibf
Explanation:
Write a sentence about an independent and dependent variable you could test.
Answer:
The more calories you consume, the heavier you will be.
Explanation:
Which molecules are processed by the rough endoplasmic reticulum (ER)?
Answer:
c is the answet
Explanation:
The rough endoplasmic reticulum helps in processing of proteins, the correct option is D.
What is rough endoplasmic reticulum?Rough endoplasmic reticulum is a series of connected flattened sacs that form part of an ongoing membrane organelle within the cytoplasm of eukaryotic cells.
It plays an important role in protein synthesis as several ribosome are attached to its membrane giving it a rough texture.
Thus, the correct option is D.
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an eagle is a carnivore it most likely gets energy it needs to reduce from
Answer
Eagles, like other animals, get all their energy from the sun. ... Sunlight is the source of energy for plants. Using the sun's energy, green plants produce food through photosynthesis. Tiny plants called algae grow in lakes.
Explanation:
What would be the correct ecological classification for the cockroaches? a. Producers b. Primary consumers c. Secondary consumers d. Scavengers / Decomposers
Answer:
d.
Explanation:
scavengers/decomposers :)
Answer:
d
Explanation:
TEST HELP PLEASE!!!!!!!
It is best to say that the protection to properties offered by sea walls along coasts __________.
A. decreases the present and future risk to human properties
D. increases both the present and future risk to human properties
C. decreases the present but increases the future risk
D. increases the present but decreases the future risk
Please select the best answer from the choices provided
O A
О В
О С
O D
Answer: D
Explanation: just because it's D.
Answer:
A. decreases the present and future risk to human properties
Hope this helps
When you move the slide forward on the stage, in what direction does the "e" appear to move when viewed through the microscope?
Answer:
it appears to move in the opposite direction
Explanation:
#29
Study the information in the data table below.
a) What is the independent
variable?
b) What is the dependent variable?
Sciences
Answer:The temperature is the independent variable and the breathing rate is the dependent
Explanation:The breathing rate is dependent upon the temperature to create the variables making it the dependent one
How can the founder effect cause a previously rare genetic disorder to become common in the new population?
Answer and Explanation:
The founder effect is a special case of genetic drift.
The Founder effect refers to the consequences that occur from the origin of a new population produced by a small number of founder individuals that come from an ancestral bigger population. The new population originated from a few founder individuals, who came from a bigger population and that established in a new environment.
This small population might or might not be genetically representative of the original one. It might show poor genetic variation and hence, a high possibility of expressing a peculiar allelic composition. Some rare alleles might be in exceed or might be completely lost. Consequently, when the small population increases in size, it will have a genetically different composition from the original one. In these situations, genetic variability is reduced and there is a high possibility of developing a peculiar allelic composition. If the number of individuals that originates the new population is very low, the founder effect will be very extreme, because the magnitude of this change is inversely related to the original number of the founder individuals. These changes produced by genetic drift accumulate in time, and eventually, some alleles get lost, while some other might set.
There are certain examples of the founder effect, such as Huntington's disease in South Africa or the Ellis syndrome characteristic of the Amish people from Pennsylvania.
if someone told you they had discovered a new microscopic life form, tell me three characteristics that you would expect the life to possess.
Answer: there might be single celled and very sensitive to change they might They are vitally important in the food chain and to the health of our planet.
They might be single-celled and extremely sensitive to change, but regardless of this, they play a crucial role in the food chain and in maintaining the health of our planet.
What characteristics that the life to possess?Cellular organization, the capacity for sexual reproduction, growth and development, energy usage, homeostasis, reaction to their environment, and the capacity for adaptation are characteristics shared by all living creatures.
All of these characteristics will appear in living creatures. Despite changes in the external environment, living things strive to maintain a constant internal temperature.
Homeostasis is a process like this, and it ranks as the sixth most significant aspect of life biology.
Excretion, growth, sensibility, movement, breathing, and reproduction. While some non-living creatures might exhibit one or two of these traits, only living organisms exhibit all seven traits.
Therefore, reproduction, growth, and development are the characteristics that the life to possess.
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What elements does carbon bond with to make up life’s molecules?
Answer:
Carbon bonds with elements such as hydrogen, oxygen, phosphorus, sulfur and nitrogen to form life's molecules
Explanation:
Carbon bonds with elements like oxygen, hydrogen, phosphorus, sulfur and nitrogen to form biomolecules.
What are biomolecules?Biomolecules are also called biological molecules. These are the numerous substances produced by the cells of our body and all other living organisms.
These molecules vary widely in range in their size and structure. They are also able to perform a wide range of functions. Carbohydrates, lipids, nucleic acids, and proteins are the four major types of biomolecules.
Nucleic acids form our genetic material. DNA or RNA present in our cells are formed from nucleic acids.
Proteins are a wide range of structural and functional molecules. Proteins form the structures of the cell membrane. They also form enzymes.
Carbohydrates and lipids are major sources of energy in our food. They also have various structures.
Therefore, Carbon bonds with elements like oxygen, hydrogen, phosphorus, sulfur and nitrogen to form biomolecules.
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What group of organic molecules is made up of a sequence of an amino acid group a caboxyl group a hydrogen atom and a side chain bonded to the central carbon atom
Answer:
Proteins
Explanation:
Proteins are biomolecules that are made up of a sequence of amino acids. These amino acids are organic molecules that consist of a basic amino or amine functional group (-NH2), an acid carboxyl functional group (-COOH), a hydrogen atom and an organic side chain referred to as the R- group, which has a bond connecting it to the carbon atom at the center. Examples of amino acids are alanine, asparagine, glutamate, lysine and so on.
Proteins are important in building the human body system, they are also involved in DNA replication, metabolic reactions, transporting of molecules etc.
Which of the following organisms
are capable of self-fertilization?
A. plants
B. tigers
C. humans
I need help with this question. Please help me!
Why do organisms need enzymes?
Answer:
Hello maam :)
Explanation:
wat the other guy said
Explain why you consider robots non living ?
Helppppp
Answer:
Robots are non living because they are do not breathe and are not made of cells like living organisms. They are only artificial.
What are the precautions must be taken while measuring an object with the help of a scale?
Make sure to zero out the scale with the cup before pouring on it
What is a control group
Answer:
The control group is defined as the group in an experiment or study that does not receive treatment by the researchers and is then used as a benchmark to measure how the other tested subjects do.
Explanation:
how many cells are their.
Answer: 30,000,000,000,000
Explanation:
Humans are complex organisms made up of trillions of cells, each with their own structure and function. Scientists have come a long way in estimating the number of cells in the average human body. Most recent estimates put the number of cells at around 30 trillion. Written out, that's 30,000,000,000,000!
Learned it in class
You are concerned about the rate of death in catfish your aquaculture operation in tanks that have a high amount of algae growth. You collect some of the algae and send it to the university to have it identified. You find that it is a blue-green alga called Anabaena. Anabaena is known to be toxic to fish. You design an experiment to test how much of the algae the fish can stand before they die. You obtain 6 large aquariums (all the same size) and fill them with water taken from a healthy catfish pond at your operation. You put each aquarium on the same bench in the laboratory, where the light and temperature values are identical. You let the water stand for one day before starting the experiment. In aquarium 1, you add 2 grams of algae and no fish. In aquarium 2, you add 20 small catfish and no algae. Aquarium 3 gets 20 catfish and 2 grams of algae, #4 gets 20 catfish and 4 grams of algae, #5 gets 20 catfish and 8 grams of algae, and aquarium #6 gets 20 catfish and 16 grams of algae. The aeration rate of each aquarium is identical. You make two observations at the same time each day for two weeks. You keep track of the numbers of fish in each tank that die.
What is the problem?
What is your hypothesis?
What is the independent variable?
Answer:
Hypothesis is ''With the increase of algae in the aquarium, fish population decreases''.
Explanation:
The main problem was that there is no need for 2 aquarium because there is no need for aquarium 1 which has no fish and aquarium 2 which has fishes but no algae. With the increase of algae in the aquarium, fish population decreases is the hypothesis for this experiment. Concentration of algae is the independent variable of the experiment because there is no effect on it in the experiment.
Glycogen is a polymer in animal tissues which stores extra sugar molecules until the animal needs them. What is the name
of the molecule found in plants that functions similarly?
O A. Glucose
O B. Cellulose
O C. Starch
O D. Lipids
Answer:
C. Starch
Explanation:
Functionally, both starch and glycogen are polysaccharide storage molecules for energy and both are intended to provide a supply for later use.
A. Glucose is incorrect because it is short term energy, in both plants and animals and is also a monosaccharide.
B. Cellulose is incorrect because, despite being a polysaccharide, it is mainly used for structure and support.
D. Lipids is incorrect because they store energy but it is for fat energy, not sugar. Lipids also have other uses such as structure and signaling, and insulation.
In order for a theory to be considered valid it must be: inferred from personal interpretation observed at least one time repeatable recorded
Answer:
Repeatable
Explanation:
In order to consider a theory valid, it should be repeatable. The correct option is C.
What is a theory?A hypothesis or a set of ideas intended to explain something, especially one based on general principles unrelated to the thing to be explained is referred to as a theory.
A satisfactory theory is always repeatable.
Thus, the correct option is C.
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Which of the following is the quality of a good scientific hypothesis?
What type of relationship occurs between two animals with the same food source?
Answer:
Mutualism
Explanation:
in mutualism the two organisms benfit from each other and cannot survive apart.
Check your Understanding.
1.Explain why over 96% of the
human body is made up of only
four elements.
Answer:
Explanation:
The four elements been referred to here are hydrogen, oxygen, carbon and nitrogen.
These four elements constitute the majority of the human body because of a combination of factors. Although, some of these factors are the major reasons, for instance the human body is made up of cells which are the basic structures of life. The cell consists of over 70% of water (which is made of hydrogen and oxygen). Also, oxygen is inhaled through the process of respiration which combines with other molecules (such as haemoglobin to form oxyhaemoglobin) in the human body. These among others make oxygen the most abundant element in the human body.
Naturally occurring organisms usually have a high concentration of organic molecules (molecules made of majorly carbon and hydrogen). This makes the human body have a high percentage (after oxygen) of carbon and hydrogen. Also, carbohydrates (which are later converted to glucose) form a large part of our diet and are stored in the body as glycogen (causing the body to have a high amount of carbon and hydrogen atoms).
Nitrogen is an essential part/element found in amino acids which are building blocks of protein. Proteins are involved in several metabolic activities in the body; this makes the abundance of nitrogen the fourth (one of the four) most common element in the body. It should be noted that amino acids also have carbon and hydrogen elements also.
The combination of the factors above among some other factors make the human body comprise mainly of these four elements
Living organisms like animals and plants are primarily made up of carbon, nitrogen, oxygen, and hydrogen.
Humans are primarily composed of four elements hydrogen, oxygen, carbon, and nitrogen.
The four elements that are primarily found in the human body play a crucial role in the developmental, physiological, and chemical processes of the body.
The human body is made up of cells, which constitute these elements and are 70% water. Oxygen is vital for the respiration process, in which complex substances are broken down to yield energy.
Carbon and hydrogen are organic molecules that make up the essential nutrients of the body such as carbohydrates and proteins.
Thus, the combination of these elements is required for the development and survival of organisms.
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Can someone please help me
One characteristic of living things is that they all
Answer:
Reproduction
Explanation:
All All living things must be able to reproduce.
Which food is at a temperature that allows bacteria to grow well ? A) a roast at 125•F (52•c) B) hamburgers at 165•f (74•c) C) pork chops at 170•f (77•c) D) A steak at 180•f (82•c)
The correct answer is A) A roast at 125°F (52°C)
Explanation:
In general terms, bacteria thrive at warm temperatures; this means bacterial growth is lower at extremely hot/cold temperatures, but it is higher at warm or medium temperatures. Indeed, the ideal temperature for bacteria to develop and reproduce is between 4° C and 60°C. This implies from the options given the roast at 52°C represents an ideal temperature for the growth of bacteria. Also, other options include temperatures above 60°C, and therefore do not allow bacteria to grow well.
Which coal is on the bottom layer ?
Answer:
Anthracite is the coal situated at the bottom layer.
Explanation:
Anthracite is the best quality of coal as it is found deep inside the earth's surface and due to high pressure and temperature inside earth's surface it is more qualitative.
AND remember peat is the poorest quality of soil. Some people say lignite is the poorest quality of coal this answer is also correct.
I HOPE IT WILL HELP YOU
why do scientist use a common system of measurement
To keep the accuracy, consistency and minimize the discrepancy in the experimentation, a common system of measurement was favoured by the scientists.
What is a system of measurement?A system of measurement is formed of standardized units that are used to define a quantity.
System of measurement is referred as SI unit. It is considered the same universally. System of measurement is accepted everywhere with the same units of measurement.
It is used for the measurement of length, time, mass, temperature, current etc.
System of measurement is advantageous as it eliminates the confusion regarding different expression of units.
It makes the interpretations and comparisons easier as the conversion of measurement units will be nil.
System of measurement provides a reference units for various experimental analysis. It is important in research and quality analysis.
Thus, system of measurement enables correct interpretations of calculations.
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A flea and dog are an example of Choose... , because the flea irritates the dog's skin and feeds on its blood. Certain bacteria live in the digestive tract of humans, and their relationship is an example of Choose... because the bacteria help humans to break down the food they eat. Cattle egrets eat insects off the back of an elephant, which is an example of Choose... because the cattle egrets benefit without either harming or helping the elephants.
:
A flea and dog are an example of parasitism, because the flea irritates the dog's skin and feeds on its blood.
In a parasitic interaction, one organism benefits whereby the other one harmed. It is a positive - negative relationship. This interaction involves the interaction between the host and the parasite. The host is the bigger organism, here, the dog that is being harmed. The parasite is the flea causing the harm and benefiting from the relationship.
Certain bacteria live in the digestive tract of humans, and their relationship is an example of because mutualism the bacteria help humans to break down the food they eat.
In mutualism, the interaction is based on both organism deriving benefit from one another. Here, the bacteria gets its nourishment by breaking down human food. Human beings are able to digest the food better and are also nourished. A win-win situation is established.
Cattle egrets eat insects off the back of an elephant, which is an example of commensalism because the cattle egrets benefit without either harming or helping the elephants.
This relationship is known as commensalism in which one organism derives benefit. The other one derives no benefit and it is also not harmed in the process. The egrets feeds on the insects that are not harming the cattle.
Explanation: