Answer:
Nucleus and organelles
the diagram represents apparatus used to investigate osmosis
pls help pls pls pls
Answer:
the solution in the tube will rise.
Explanation:
water molecules move across the semipermeable membrane into the tube containing the starch solution. However the starch molecules are too large to pass across the semipermeable membrane hence remain in the tube.
When sediments are made is the lithosphere being broken down or is new lithosphere being created?
Yes, the lithosphere are being broken down. When sediment are made lithosphere are being broken into separate sections called plates.
What is lithosphere?Lithosphere is defined as the outermost part of the earth that is made up of the mantle and the crust.
Above the lithosphere is the earth's atmosphere while beneath it is the asthenosphere.
The importance of the lithosphere to life on earth include the following:
provide us forests, grasslands for grazing land for agriculture and human settlements and also rich source of minerals.According to geologists, the lithosphere is constantly moving in slow motion which leads to the formation of sediments. When this occurs, the lithosphere is being broken down into separate sections called plates.
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Which best explains the difference between a ball-and-stick model of a chemical compound and a space-filling model?
Ball-and-stick models can show compounds in three dimensions, but space-filling models cannot.
Space-filing models can show compounds in three dimensions, but ball-and-stick models cannot.
TIME REMAINING
01:24:59
Ball-and-stick models show the bonds between atoms, but not the relative sizes of atoms. Space-filling models show
the relative sizes of atoms, but not the bonds between atoms.
hp
O Space-filling models show the bonds between atoms, but not the relative sizes of atoms. Ball-and-stick models show
the relative sizes of atoms, but not the bonds between atoms.
Answer: Ball-and-stick models show the bonds between atoms, but not the relative sizes of atoms.
Explanation:
This is because both the ball and stick are combined this shows the combination between atoms.
PLEASE HELP FAST
Describe the effects the 3 limiting factors had on the cricket frog population.
Answer: decrease
Increase
Increase
Explanation:
1. When the predators population is increased, there will be high risk to the cricket frog from these predators as they may start attacking them rigorously and ultimately lead to a sharp decline in their population.
2. Pollution is a favorable factor that causes cricket frogs to flourish and increase in number. Thus the higher the pollution level, the higher will be the population of cricket frog
3. Food sources will reduce the competition with in the cricket frog species and hence there population will increase.
If the ocular has a 10X magnification and the high powered objective has a 40X magnification, what is the total magnification of the microscope?
The magnification of the microscope is 400X
What is the magnification of a microscope?The magnification of a microscope is the extent to which the microscope will enlarge the size of an object viewed through it.
Magnification is defined as the ratio of the image size to the object size.
Mathematically:
Magnification = image size or height/object height or sizeThe magnification of a microscope is obtained from the product of the magnification of the ocular lens and the high powered objective lens.
The magnification of the given microscope = 10X * 40X
Magnification of the microscope = 400X
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Tonicity scenario biology
In the given scenario, the solution's Tonicity scenarios (6,9,13,14) are Hypertonic, (7,15) are Isotonic, and (8,10,11,12) are Hypotonic.
What are Hypertonic, Hypotonic, and Isotonic solutions?The concentration of a solution in relation to another solution is referred to as tonicity. The quantity of solutes dissolved in a solution is referred to as concentration.If the solute concentration is lower than that of another solution the solution is Hypotonic. Water molecules leave the cell from the outside in this solution.If the solute concentration is higher than that of another solution then the solution is Hypertonic. So, water molecules enter the cell from the outside in this solution.Isotonic solution is the one that has the same solute concentration as another solution.In a hypotonic solution, cells will expand, whereas, in a hypertonic one, they will shrink.6. Hypertonic
7. Isotonic
8. Hypotonic
9. Hypertonic
10. Hypotonic
11. Hypotonic
12. Hypotonic
13. Hypertonic
14. Hypertonic
15. Isotonic
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the three domains of the woese-fox system include the true bacteria in domain bacteria, the extreme microbes in domain, and the eukaryotic organisms in domain.
The three domains of the Woese-Fox system include the true bacteria in domain bacteria, the extreme microbes in domain archaea, and the eukaryotic organisms in domain eukarya.
Archaea is the domain that involves the organisms which are called extremophiles. They are called so because they are not found in normal environments. Their habitats are salty lakes, methane producing areas and hot springs. The examples include: methanogens, halophiles, etc.
Eukarya is the domain which possesses all the eukaryotic organisms. These are the organisms that have cells with well-developed nucleus and cell organelles. The examples of such organisms are; plants, animals, humans, fungi, etc.
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Intro
Use the image and the drop-down menus to match the
parts of an ecosystem to each description
The answer is within the attached image based on ecosystem:
What is an ecosystem?An ecosystem is a region where a bubble of life is created by plants, animals, and other species interacting with the weather, environment, and other factors. Abiotic variables, or nonliving components, coexist with biotic components in ecosystems. Plants, animals, and other species are biotic factors.
Wild flora and animals may live there and find habitat. It encourages different food webs and food chains. It supports life and regulates crucial ecological processes. played a part in the transfer of nutrients between biotic and abiotic elements.
An ecosystem's three main qualities are as follows: Ecology's fundamental structural and functional unit is it. An ecosystem's structure and species diversity are connected.
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How is information transmitted through the nervous system? (choose every correct answer.)
Information is transmitted through the nervous system through electrical impulses.
The correct answer choice is option a
This goes to say that information in nervous system are transmitted through the electrical impulses of neurons.
The neurons are the basic and functional unit of the nervous system.
What is nervous system?The nervous system simply refers to the system of the body which helps in the coordination of all the activities which takes place in the body for proper functioning of the body system.
However, the functional unit of the nervous system is the neurons. These neurons help to relay messages or information from one part of the body to another and also to the external environment.
So therefore, information is transmitted through the nervous system through electrical impulses.
Complete question:
How is information transmitted through the nervous system? (choose every correct answer.)
a. Electrical impulses
b. Chemical messengers.
c. None of the above
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ee mj, bransford rj, bellabarba c, chapman jr, cohen am, harrington rm, et al: the effect of bilateral laminotomy versus laminectomy on the motion and stiffness of the human lumbar spine: a biomechanical comparison.
To check variations in movement styles and lumbar backbone stiffness after bilateral laminotomy as opposed to laminectomy.
Summary of heritage information Spondylolisthesis after facet-sparing laminectomy has been mentioned with a frequency of 8% to 31%. Bilateral laminotomies had been proven to be powerful in decompressing the backbone, with out resection of the posterior osteo-ligamentous complex. We hypothesize that bilateral laminotomies set off appreciably much less androgenic hypermobility and much less stiffness discount than a conventional facet-sparing laminectomy withinside the lumbar backbone.
These information display that bilateral laminotomies set off appreciably much less hypermobility and much less stiffness discount in comparison with a complete laminectomy. The renovation of the critical posterior osteo-ligamentous systems can also additionally offer a stabilizing impact in stopping postdecompression spondylolisthesis.
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Which action would most likely lead sientist to change or imporove existing scientific theory?
The action that would most likely lead scientists to change or improve existing scientific theory is the emergence of new empirical evidence that may be used to make different predictions than those based on the original theory.
What is a scientific theory?A scientific theory may be defined as a body of knowledge that is well sustained by empirical (experimental) evidence and therefore it can be used to make predictions about questions in the real world.
A scientific theory may change in the light of new empirical evidence that leads to the generation of new hypotheses and make new predictions.
In conclusion, the action that would most likely lead scientists to change or improve existing scientific theory is the emergence of new empirical evidence that may be used to make different predictions than those based on the original theory.
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During the prophase stage, loosely arranged stands of chromosomes become coiled, shortened and distinct.
True or False?
According to the research, the correct option is false. During the prophase stage, loosely arranged stands of chromosomes don't become coiled, shortened and distinct.
To find the correct option amongst all other options, we need to know more about prophase stage and which characteristics it has.
What is the prophase stage?The first phase of cell division, in which the chromosomes become visible as isolated entities is called the prophase stage. Prophase stage is related to the disintegration of the nuclear membrane and the fixation of the chromosomes in the spindle. In this stage, the chromosomes thicken, the envelope of the nucleus breaks down, and the nucleoli are shared in the cytoplasm, becoming ribosomes.Therefore, we can conclude that according to the research, the correct option is false. During the prophase stage, loosely arranged stands of chromosomes don't become coiled, shortened and distinct.
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This is the most diverse of all the marine ecosystems. This marine ecosystem not only includes great biodiversity but at least one quarter of all ocean species depend on it for food and shelter. What is this marine ecosystem?.
Answer:
Coral reefs
Explanation:
Mitochondria and chloroplasts have their own unique dna. Ribosomes in mitochondria and chloroplasts are similar to those in bacteria. Mitochondria are formed by binary fission. These statements together form the basis of what theory?.
Answer:
Endosymbiosis theory: the symbiosis of a free-living organism that eventually got trapped in eukaryotic cells
Explanation:
true or false air can be weighed
Stress can cause an increase in cortisol which can cause many bodily responses, such as increased heart rate, slowing.of
digestion and sweating. This stress hormone can be released when you encounter or experience something potentially
life threatening, like encountering a bear.
Once the stimulus (bear) is removed, the body systems will return to their
normal state.
Create a feedback loop diagram that illustrates the body's response to encountering a bear.
Answer: 1. Bear --> 2. Increase in cortisol --> 3. Increased heart rate --> 4. Slowing of digestion --> 5. Sweating --> 6. Bear is removed --> Body returns to normal
Hope this is of use to you!
Due to increase in hormones, Bear --> 2. Increase in cortisol --> 3. Increased heart rate --> 4. Slowing of digestion --> 5. Sweating --> 6. Bear is removed --> Body returns to normal.
What are the functions of hormones?Hormones are are the body's chemical messengers, sending signals into the bloodstream and tissues. Hormones work slowly, over time, and affect many different processes, including growth and development, metabolism – how your body gets energy from the foods you eat- sexual function, reproduction, and mood.
Hormones affect everything from blood sugar to blood pressure, growth and fertility, sex drive, metabolism, and even sleep. Their influence goes as far as changing the way we think and act day to day.
It's true that hormone imbalances can be associated with many problems, such as period problems, unwanted hair growth, fertility struggles, weight gain, and even difficulty sleeping. You should absolutely talk to your doctor about these things.
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The human population has changed in ways that are similar to other populations. How has the human population changed since it first appeared on earth?.
The human population has changed since it first appeared on earth as The b. population has generally increased, and at rates that have varied over time.
Humans, as well as other populations, have changed since their appearance on earth. Some populations became extinct as they were not able to cope with the environmental changes whereas other became more adaptable and increased in number over time.
The human population has also increased with the passage of time. However, the increase in the rate of the human population was not a stable one. At some times in the past, the population number declined due to environmental factors such as the eruption of a disease etc.
However, with the passage of time, humans have managed to adapt themselves to the changing environmental conditions and their population is increasing rapidly.
Although a part of your question is missing, you might be referring to this question:
The human population has changed in ways that are similar to other populations. How has the human population changed since it first appeared on earth?
a. The population has generally increased at a relatively constant rate
b. the population has generally increased, and at rates that have varied over time
c. The population increases rapidly until it reaches carrying capacity, where it has remained for thousands of years
d. The population increases rapidly until it reaches carrying capacity, and then decreased at a constant rate
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When the ribosome reaches a uga, uag, or uaa codon on the mrna, it halts because none of these codons has a corresponding trna. these three sequences are called _____ codons.
When the ribosome reaches a uga, uag, or uaa codon on the mRNA, it halts because none of these codons has a corresponding tRNA. these three sequences are called stop codons.
What are stop codons?
A stop codon is a single triplet of nucleotides that marks the completion of protein production. You can see the line of messenger RNA passing through a ribosome if you are familiar with how proteins are generated within cells (do ribosomes and transfer RNA sound familiar?). The ribosome and transfer DNA are informed by a stop codon that the process can end and the new polypeptide chain can be released. Continue reading if ribosomes and transfer DNA are still a mystery or go to the protein synthesis page.
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A nuclear power plant is suspected of impacting a local watercourse. since nuclear reactors typically threaten water systems, what action should be taken first?
The first action to be taken if a nuclear power plant is suspected of impacting a local watercourse is that the water supply is suspended.
If a nuclear facility is suspected of impacting local water storage, the water delivery should be temporarily halted. The contamination of water course by a nuclear power plant renders such watercourse not potable for consumption. In situations like this, the consumption of such water can negatively impact the health of organisms in that environment. The damage done by nuclear plant to water bodies have a far-reaching effect as it causes serious harmful effect to organisms of aquatic habitat. Hence, the first line of action in this kind of situation is to temporarily halt the supply or the running of such water course.
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give examples of substances that decomposers unable to break down?
Answer:
Plastic bottles are one of the biggest ones. Tin and metal also can't along with aluminum.
Explanation:
Hope this helps!
What is the relationship between organisms and atoms? *cover all levels of organization up to the entire organism
Answer:
all organisms are made of a combination of atoms
Explanation:
they contain atoms that combine together to form molecules. in mulilticellar organisms, such as animals, molecules can interact to form cells that combine to form tissues, which make up organs.
The relationship between organisms and atoms is fundamental to the understanding of life and the natural world.
Atoms, the building blocks of matter, combine to form molecules, which in turn constitute the essential biomolecules for living organisms. These biomolecules, such as proteins, carbohydrates, lipids, and nucleic acids, are vital for cellular structure, function, and regulation.
The interactions of atoms within molecules dictate biological processes like metabolism, cell signaling, and DNA replication. Organisms consist of cells, tissues, organs, and systems, all functioning based on atomic interactions.
Thus, the intricate relationship between atoms and organisms underscores the profound connection between the smallest components of matter and the complexity of life itself.
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chemical equation for alcoholic fermentation.
Answer:
Glucose ---> Ethanol + Carbon Dioxide
The circulatory system carries the waste from throughout the organism to them
The circulatory system carries the waste from throughout the body to the excretory system.
In the circulatory system, the renal arteries specifically function to collect the deoxygenated blood and other waste materials from all the different parts of the body and carry it to the kidneys for filtration.
How are the circulatory system and excretory system related?
Due to the fact that the excretory system filters the circulatory system's blood, the excretory system and the circulatory system work in tandem. the primary organ of the kidneys' excretory system. Kidneys filter blood from the circulatory system as it travels through them.
Through the renal artery, blood enters your kidney. Up until the blood reaches the nephrons, this huge blood channel divides into smaller and smaller blood vessels. Your blood is filtered by the glomeruli, which are microscopic blood vessels, in the nephron before leaving your kidney through the renal vein.
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This transmembrane membrane protein assists molecules in crossing the plasma membrane by forming a channel. such proteins are known as?
Membrane pores within a lipid bilayer are known as transmembrane channels. Protein complexes that traverse the membrane or peptides can generate the channels.
What is transmembrane membrane protein?At the point where cells and the outside world meet, transmembrane proteins mediate the transmission of signals between them. They also carry out numerous crucial cellular biological processes.
Membrane transport proteins fall into two categories: carriers and channels.
The lipid bilayer is traversed by both of them in continuous protein routes.
Therefore, transmembrane membrane protein assists molecules in crossing the plasma membrane.
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Bones are classified as one of four types based on their shape. the bones of the cranium are examples of?
The bones of the cranium are examples of flat.
The cranium is made up of facial bones and cranial bones, which surround and guard the brain (bones that form the eye sockets, nose, cheeks, jaw, and other parts of the face). The spinal cord attaches to the brain through a hole at the base of the skull. also known as skull. They are not spherical; they are flat. The skull and rib bones serve as examples. Although flat bones have marrow, they lack a cavity for the bone marrow.Your skull's bones support your face while also enclosing and shielding your brain. Your skull contains a large number of flat bones. The frontal bone is one of these.To learn more about bones.
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Suppose actively dividing eukaryotic cells were treated with a chemical that blocks the activity of the enzyme telomerase. What would happen to these cells?.
Answer: Cells would lose DNA at the ends of the chromosomes over many generations.
Explanation:
Which type of neuron is responsible for
detecting environmental changes?
A. interneurons
B. motor neurons
C. sensory neurons
'D. transfer neurons
What type of cell have hair-like projections, mostly in the form of short pili or longer flagella?
Eukaryotic
Animal
Plant
Prokaryotic
Answer:
Prokaryotic
Explanation:
A prokaryotic cell has all those characteristics and appears in bacteria cells. They have a flagella, hair-like projections, and short pili.
Improved body composition is an important outcome of resistance training. What happens as the amount of lean muscle tissue increases?.
As the amount of lean muscle tissue increases, the metabolic rate increases.
How does muscle improve body composition?Your capacity to move and lift items is related to your muscular strength. It is determined by how much weight you can lift for a brief amount of time and how much power you can apply.
Resistance training activities like weightlifting, bodyweight exercises, and resistance band exercises are a few examples of workouts that help build muscle strength and power. Hill climbing, cycling, and running are further alternatives.
Continue reading to find out more about the distinction between physical strength and muscular endurance, as well as the advantages, risks, and workouts for developing muscle strength.
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Match the Polymer to the macromolecule
DNA
Enzyme
Triglyceride
Polysaccharide
A. Protein
B. Lipid
C. Nucleic acid
D. Carbohydrate
Answer:
Enzyme A protein
DNA C Nucleic acid
Triglyceride B Lipid
Polysaccharide D carbohydrate