Answer:
locomotion
Explanation:
The movement of amoeba towards a source of food is an example of chemotaxis.
In the presence of a chemical stimulus, a cell or a unicellular organism moves in the direction of the chemical stimulusThis phenomenon is called chemotaxisCells are able to sense changes in their environment such as changes in pH, temperature and the presence of chemicalsChemotaxis is used as a foraging mechanism in many unicellular organisms such as amoeba and paramoeciumAnother example of chemotaxis is the movement of insects towards nectar-bearing flowersAmoebae exhibit chemotaxis when they move toward their food source.
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question is in the picture anyone know this?
Answer:
cardiac muscle tissue
Explanation:
A cell that is normally found inside freshwater environment mostly water is placed in a container and surrounded by a salt water solution which of the following will most likely happen to the cell?
The most likely happen to the cell is It will lose water and shrink.option A is correct option.
What do you mean by the hypertonic solution?A hypertonic solution is one that has dissolved particles than normal cells and blood do, including salt
A freshwater plant cell will lose water and shrink if it is submerged in salt water for an hour.
The missing option in query is given below:
It will lose water and shrink.
It will reach a state of equilibrium.
It will use energy and pump extra salt out of the cell.
It will swell and burst.
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When telephoning patients who have not returned to the office for normal maintenance and recall appointments, several of the patients remark that the office has changed and that it isn’t as nice as it used to be. The dentist instructs the dental assistant to create a list of improvements that would enhance the dental office setting. What aspects and areas of the dental office should be assessed, and what factors should be considered when making changes to the dental office? Using LIRN.net research the different office set up for Specialty practices. Be sure to site your source. https://www.lirn.net/
The aspect and areas of the dental office that should be assessed is the customer service units. The patient- dental assistant relationship should be enhanced.
Who is a dentist?A dentist is an individual that specialises in diagnosis, treatment and prevention of diseases that is associated with the gum, teeth and mouth.
When creating a list of improvement that would enhance the dental office setting, the customer service unit should be assessed. This is because it is the point where the patient and the dental assistant has first point of contact.
The manner of approach of the dental assistance to these patients needs to be improved as patients who are not well received can stop coming to the clinic.
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During which stage of interphase do cells copy their chromosomes? A. Sphase
B. G, phase
C. G phase D. Go phase
Answer:
A: S phase
Explanation:
Like DNA, RNA contains four nitrogenous bases. Three of them are the same as those found in DNA. The one that is different is called ________
The five-carbon sugar in RNA is called ________
Answer:
RNA has for nitrogenous bases out of which three are the same as DNA. The bases common to both DNA and RNA are Adenine (A), Guanine (G) and Cytosine (C). The one that is different is called Uracil (U).The five carbon sugar in RNA is called Ribose sugar.Explanation:
DNA consist of four bases that are A,T,C and G. Similarly, RNA also consists of four bases that are A,U,C and G.
Thymine (T) is not present in RNA, instead of it, RNA has Uracil (U) which binds with Adenine (A) by two hydrogen bonds.
The five-carbon sugar that is present in RNA is ribose and that present in DNA is deoxy-ribose. Ribose and deoxy-ribose differ at second carbon. Ribose has an OH at second carbon while in deoxy-ribose, O is missing at second carbon and it has only H.
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H.M. maintained ______ memory as he was able to perform better each time he did the mirror-tracing task.
A) nondeclarative
B) declarative
C) priming
D) conditioning
E) episodic
What best summarizes the differences between ancient and modern horses?
Type the correct answer in the box. Spell all words correctly.
What does the scientific method help test in environmental science?
The scientific method is a way to test a
and gain a better understanding of the world.
The scientific method is a way to test a hypothesis and gain a better understanding of the world.
What is the scientific method?The scientific method is a process used to explore observations and answer questions.
The usual process involves making conjectures -that would be the hypotheses-, drawing predictions resulting from a logical consequence, and carrying out experiments based on those predictions.
The ultimate goal is to test a scientific hypothesis.
Thus, this could be the answer.
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Which two body parts are composed of tissue that is made up of muscle cells working together?
If you have 100 apples and you take 30 how many do you have?
Answer:
100 is the answer.........
PLEASE HELP :)
Describe how flowering plants reproduce.
How do flowers help other organisms in our environment?
Which parts of a plant are responsible for reproduction? Describe the role that each of them will play.
Describe what occurs during the process of seed development.
Answer:
Pollen is carried by insects or blown by the wind from one flower to another. This process is called pollination. Pollen reaches the new flower and travels to the ovary where it fertilises egg cells (ovules) to make seeds. This is fertilisation.So, in providing the seeds that make it possible to grow more plants, flowers benefit the environment by creating more carbon dioxide-absorbing and oxygen-radiating plants. Flowers also play a vital role in cleaning up other parts of our world.Flowering plants reproduce sexually through a process called pollination. The flowers contain male sex organs called stamens and female sex organs called pistils. The anther is the part of the stamen that contains pollen. This pollen needs to be moved to a part of the pistil called the stigma.In the process of seed germination, water is absorbed by the embryo, which results in the rehydration and expansion of the cells. Shortly after the beginning of water uptake, or imbibition, the rate of respiration increases, and various metabolic processes, suspended or much reduced during dormancy, resume.hy yaar hopE it helpZ u xd ~
Describe an example of a sustainable yield model, other than a forest, that could help you make decisions about how to use your island resources.
Sustainability is the idea that people may live on Earth and utilise resources without destroying them or affecting future generations. The biological variety, food production, average global surface temperatures, CO2 concentrations, human population, and resource depletion are the five main environmental indicators that might point people in the direction of sustainability.
How can we figure out what yield is sustainable?The foundation for determining sustainable yield is the ratio of the water level decline in the well to the pumping rate, the amount of drawdown the well exhibits for a particular pumping rate over time, and the recovery rate. Data from aquifer tests are typically more trustworthy the longer they are conducted.
Example is a fish that can be kept alive forever because they can be nourished by the underlying natural system's regenerating abilities.
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what are the elemental compositions of carbohydrates?
Answer:
carbon, hydrogen, & oxygen are the major elements
Explanation:
What term is used for species that are at serious risk of extinction?
Answer:
Endangered species
What is a natural, nonspecific immune response, but it is part of the body's second line of defense?
The adaptive immune response is the second line of defense against non-self pathogens. Adaptive immunity, also known as acquired immunity or specific immunity, is found only in vertebrates.
What is second line of defense?Nonspecific resistance, which destroys invaders without targeting specific individuals, is the second line of defense: phagocytic cells ingest and destroy all microbes that enter body tissues.
The adaptive immune response is the body's second line of defense against non-self pathogens. Adaptive immunity, also known as acquired immunity or specific immunity, is found only in vertebrates.
Thus, adaptive immune system is a natural, nonspecific immune response, but it is part of the body's second line of defense.
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Answer:
it should be passive immunity
Explanation:
Which hormone allows a woman to produce milk after she gives birth?
1Thyroid-stimulating hormone
2Follicle-stimulating hormone
3Luteinizing hormone
4Prolactin
Prolactin hormone allows a woman to produce milk after she gives birth. Thus, the correct option is D.
What is lactation?Lactation is the process of producing and releasing milk from the mammary glands in breasts. Lactation begins in pregnancy when hormonal changes signal the mammary glands to make milk in preparation for the birth of baby.
It’s also possible to induce lactation without a pregnancy using the same hormones that your body makes during pregnancy. Lactation ends once your body stops producing milk.
Milk ducts increase in size and number when levels of estrogen and progesterone rise. The result is a fuller breast. The mammary glands start to get ready to produce milk.
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1.Name the tissue responsible for;
a) Binding other tissues and organs
Answer:
Connective tissue
Explanation:
A type of tissue found in animals whose main function is to bind, support, and anchor the body.
Choose the items that are correctly matched.
Select one:
A. inactivation gate - open at rest
B. activation gate - closed during depolarization
C. activation gate - open at rest
D. inactivation gate - open during repolarization
E. All of the answers are incorrectly matched.
*for physiology*
Answer: D activation gate opens during repolarization
question in the picture
How does the melting of icecaps affect climate change
Answer: it can contribute to rising sea levels, higher overall climate, & affect native wildlife.
Explanation: (1) Melting ice can add more water to the ocean, which in turn sea levels rise due to this affecting coastal communities. (2) sea ice such as snow caps reflect 50 percent of solar radiation, (thick sea ice covered with snow reflects even more radiation, about 90 percent) this reflecting keeps global temperatures in check. (3) native arctic wildlife, such as porpoises, fish, avians, and land-mammals are affected as their homes are shrinking, leading to less food and areas that they are adapted too.
state the name for chemicals that are secreted by glands into the blood and that affect organs elsewhere in the body
The name of chemicals that are secreted by glands into the blood and those that affect organs elsewhere in the body are known as Hormones.
What is Gland?A Gland may be defined as an organ in the human or animal body that perspires certain chemical substances for usefulness in the body or for liberation into the surroundings.
The endocrine glands are responsible for the synthesis of such chemical substances into specific body parts and organs and pass them directly into the bloodstream. These chemical messengers are thought to be the agents of communication between one body part and another.
Therefore, it is well described above.
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Which phase of the cell cycle directly follows prophase?
OA. Interphase
OB. Metaphase
OC. Anaphase
OD. Telophase
The cell cycle directly follows prophase is metaphase.
What is Cell cycle?A cell's growth and division are accompanied by a sequence of processes known as a cell cycle. A cell spends the majority of its time in what is known as interphase, where it develops, duplicates its chromosomes, and gets ready to divide.
The cell then exits interphase, goes through mitosis, and finishes dividing. Each of the resultant cells, referred to as daughter cells, enters its own interphase to start a fresh cycle of the cell.
The procedure through which cells multiply and divide into two new cells as the cell cycle. G1, S, G2, and M are the phases of the cell cycle, respectively. Cells are getting ready to divide at the G1 stage.
Therefore, The cell cycle directly follows prophase is metaphase.
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which type of energy do living things use to make sugar using cabon doixide?
Answer:
i believe light energy
Explanation:
im him
Answer:
light energy
Explanation:
Through photosynthesis is the process by which plants use sunlight, water, and carbon dioxide to create oxygen and energy in the form of sugar
nationalgeographic.org
how does the structure of water affect its properties
Answer:
Water molecules are polar, so they form hydrogen bonds. This gives water unique properties, such as a relatively high boiling point, high specific heat, cohesion, adhesion and density.
does this picture on the foot look like it might be gangrene?
maybe but it could also be planter psoriasis.
but for gangrene, the surface of your skin may look normal at first. As the condition worsens, the skin may become pale and then turn other colours such as grey or purplish red. The skin may look bubbly.
How are the processes of asexual reproduction and sexual reproduction different? Select three options
O In both processes, all offspring have identical DNA.
0 They involve a different number of parents.
O Only one process involves sperm and eggs.
U Only one process involves meiosis.
D Only one process involves cell division.
Answer:
0 They involve a different number of parents.
O Only one process involves sperm and eggs.
0 Only one process involves meiosis.
Explanation:
I’m 99% sure these are correct. I hope this helps! Have a great day :)
Which statement best explains why the development of a new area of science can lead to changes in a theory? A.A new area of science attracts new scientists who study old theories for flaws. B.A new area of science promotes experimentation from a different point of view. C.A new area of science allows old theories to be reworded using new terminology. D.A new area of science encourages scientists to replace old theories with modern ones.
A new area of science promotes experimentation from a different point of view. thus option B is correct.
What is the role of science in daily life?Cooking, eating, breathing, driving, playing, and other activities all include science. Everything we use and wear, including our brushes, toothpaste, shampoo, talcum powder, and body oils, is a result of scientific innovation. Without all of this, life is inconceivable since it has become essential.
Because everything else explains why a new field of science is developing, which might improve an existing theory but isn't precisely the "best" one, it encourages experimentation from a different angle.
Therefore, option B is most likely your outcome.
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What happened during the Miocene that allowed early Miocene hominoids to emigrate from the continent of Africa to Europe and Asia?
The warmer global climate and shrinking of the tropical rainforest was responsible for the emigration from the continent of Africa to Europe and Asia.
What is Emigration?This involves the movement of people to another country and usually settle there to earn a living or for other purposes.
Europe and Asia are more favorable to live due to the abundant resources available which was the reason for the emigration and was common with the early Miocene hominoids.
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There are more hydrogen atoms in living organisms than any other atom, but oxygen is more abundant in terms of mass.
Hydrogen is more in number but less than mass from oxygen because of its lower mass.
Why oxygen is more than hydrogen in term of mass?There are more hydrogen atoms in living organisms than any other atom, but oxygen is more abundant in terms of mass because the Hydrogen atoms have a lower mass than oxygen atoms so in terms of mass, oxygen is ahead of hydrogen atom.
So we can conclude that hydrogen is more in number but less than mass from oxygen because of its lower mass.
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Access to cheap energy resources, especially fossil fuels, has been a major driver of globalization and growing prosperity. Oil is particularly important because it is major source of:
Group of answer choices
mobile power
effective fertilizers
all of these
geostrategic conflict
Oil is a geostrategic conflict is major source. Thus, the correct option is D.
What is geopolitics?The connection between geography and strategy is made by geopolitics. The foundation of geopolitics is the indisputable fact that all international politics—from peace to war—occur in time and space, in particular geographic contexts and situations.
International relations have been heavily influenced by oil geopolitics. Some contend that much of the conflict in the 20th century was caused by geopolitical competition over access to oil. The current energy transition's increase in renewable energy sources may well alter this situation.
Over the past 120 years, the geopolitics of oil have been a major factor in world affairs. Indeed, others contend that much of the conflict experienced in the 20th century was caused by geopolitical competition for access to and control of oil supplies.
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