Positive ion formed when an atom LOSES electrons
Answer:
yes
Explanation:
and vice versa.
protons can never be gained or lost only electrons are mobile
Answer:
yes
Explanation:
it can lose or gain electrons during this event
Consider the cycle of science shown in the diagram. What would most likely cause the cycle to continue? An explanation inspires new questions and the process of making new observations. A fact inspires new questions and the process of making new observations. A careful systematic process is used in experiments to gather observations and data. A fact is established and more data is needed to convince scientists that it is true.
Answer:
The correct answer is : An explanation inspires new questions and the process of making new observations.
Explanation:
New things are being found and created in a logical field due to the "Skeptical nature of people" that is posing the inquiries.
The premise of scientific revolution is that another inquiry can be gotten from the clarification of the previous addressed scientific speculation or hypothesis as the clarifications comprises of the information got after the suspicions, perceptions and related tests. This creates novel thoughts of 'if and but situations" in the psyche which prompts the arrangement of another theory subsequently proceeding with the pattern of an a logical examination.
Hence, The correct answer is : An explanation inspires new questions and the process of making new observations.
How might biodiversity in Area 1 change if the new bird species ate small mammals, lizards, and toads?
Knowing that Biodiversity is the variety and variability of life on Earth. Biodiversity is typically a measure of variation at the genetic, species, and ecosystem level. Terrestrial biodiversity is usually greater near the equator, which is the result of the warm climate and high primary productivity. The ecosystem will change if a new species is introduced to an unfamiliar ecosystem. If a new species of birds were to eat another animal that was supposed to be eaten by another. The food chain of the ecosystem would be changed drastically. Aka, it might make the lizards go extinct, and can possibly become abundant. Aka, overpopulating and creating havoc within the ecosystem. Thus, causing imbalance.
look at the data in the table to the right then answer the question that follows based on the data in the table what conclusion can you draw about the energy needs of different cells
cell type|typical animal cell|skin|muscle|liver|
other side of graph
number of mitochondria|1000, -2000|200|>2000|>2000
Answer:cells that need more energy, like muscle cells, have more mitochondria
Explanation:
Answer:
all cells
Explanation:
Match the planet with its best description.
Mercury
[Choose ]
Venus
(Choose ]
Saturn
[Choose ]
Jupiter
[Choose]
Uranus
[Choose]
What is the primary function of the body system
Answer:
Nervous, Integumentary, Muscular, Hematopoietic.
what happens to molecules as heat gets added
Answer:
the molecules and atoms vibrate faster
Explanation:
The Life of Billy the Star
Billy has 1 stellar mass. What happens when Billy first starts to burn
off all of his fuel?
O Billy expands
O Billy contracts
What accounts for the differences in the properties of the various polysaccharides in the functions/properties of starches, glycogen, cellulose and chitin?
Answer:
The differences between these are the type of union, the order of the union and the complexity.
All are polysaccharides, but their unions are stronger or more complex, thus giving rise to different functions such as structural or energy reserves.
Explanation:
The types of bonds if they are simple, double or triple also influences the different functions.
Which are functions of the endoplasmic reticulum (ER)?
Choose 2 answers:
(Choice A)
A
Protein modification
(Choice B)
B
Lipid synthesis
(Choice C)
C
ATP production
(Choice D)
D
DNA storage
Answer:
a,b
Explanation:
Which are limiting nutrients for plant growth?
O water and nitrogen
O nitrogen and carbon
O carbon and phosphorus
O phosphorus and nitrogen
Answer:
▪︎Phosphorus and Nitrogen.
Nitrogen and phosphorus are limiting nutrients for plant growth.
They are often present in small quantities locally or are present in a form that cannot be used by the plant.Two elements considered as limiting autotroph growth in most ecosystems.What is an ecosystem?An ecosystem is a geographic area where plants, animals, and other organisms, as well as weather and landscape, work together to form a bubble of life. Ecosystems contain biotic or living, parts, as well as abiotic factors, or nonliving parts.- Biotic factors include plants, animals, and other organisms.
- Abiotic factors include rocks, temperature, and humidity.
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define transpiration
Answer:
is the process of water moving through a plant.
Explanation:
Explanation:
Transpiration is the process of water movement through a plant and its evaporation from aerial parts, such as leaves, stems, and flowers. Water is necessary for plants but only a small amount of water taken up by the roots is used for growth and metabolism. The remaining 97–99.5% is lost by transpiration and guttation.
Eukaryotic cells are able to trigger the release of material from secretory vesicles to the extracellular space using a process called exocytosis. An example of materials commonly released this way is
Answer:
hormones
Explanation:
An example of materials commonly released this way is hormones. These are chemical messengers that are sent to the pituitary gland where they are released directly into the bloodstream. The blood then carries the hormones to different organs and tissues of the body in order to exert their specific function which varies depending on the specific type of hormones being secreted.
The idea that species are defined based on the ability to interbreed with each other and exchange genes is the basis of which species concept?
Answer:
Biological Species concept
Explanation:
Biological Species concept is known as the idea that species are defined based on the ability to interbreed with each other and exchange genes.
This is because interbreeding enables exchange and preservation of the genes which makes a species unique. This is why species often share a very similar characteristics with the parents and other offsprings.
Assume that cellular uptake rates and drug delivery rates of compounds 1 and 2 are identical. If the proposed mechanism of sensitization by Compound 1 is correct, what cancer cell treatment protocol is most likely to produce the most apoptosis 20 h after treatment?A.
Answer:
The correct option is B: Administration of Compound 1 followed by Compound 2 after 0.5 h
Explanation:
Administering both compounds simultaneously (as suggested in option A) would mean that some cells might be exposed to and interact with compound 2 before being exposed to compound 1. It was observed by the researchers that if the chemotherapeutic agent (compound 2) is given a half hour after giving sensitization agent (compound 1) gives better results.
In eukaryotic cells, DNA is packaged with proteins into structures called chromosomes. What advantage do chromosomes provide the cell?
Answer:
it is a haredity material which help in transfor of characters
Explanation:
Answer:c They ensure equal division of genetic material when a cell divides
Explanation: I just took the test and it is right !:)
according to the data in model 1, how many males are 181 cm or above in height
Answer:
9 male individuals are 181 cm or above in height.
Explanation:
You will find model 1 in the attached file.
In the model, you can see a pie chart, a bar graph, and a line graph.
The pie graph shows an approximate proportion of males and females with different highs. What is wrong about this chart is that it does not show the percentages of males and females by heigh. Anyway, we can not answer the question with the given information. The bar graph expresses a comparison between males´ and females´ average height, hand length, and knuckles values. According to this graph, we can not know how many males were 181 cm or taller.The line graph shows the distribution of height in bales and females. Females are represented by a continous line, while males are represented by a pointed-line. So we need to focus on this line to answer the question. The Y-axes shows the number of individuals, and the X-axes shows the heights intervals in centimeters. According to the question, we need to look for the interval that belongs to 181 cm and above. So, the interval between 181-185 cm height corresponds to 6 male individuals. But after that interval, we also have 3 more male individuals that are between a height of 186-190 cm. So, in total, we have 9 male individuals that are 181 cm or above in height.The diagram shows a model of an animal cell. Explain how you’d modify the model to show the structures in a plant cell.
Answer:
To show the structures of a plant cell, add a cell wall around the membrane and increase the size of the vacuole inside the cell. Draw green ovals to represent chloroplasts.
Explanation:
answer on edmentum
To modify the model of a given animal cell into a plant cell, it is required to add the cell wall around the cell membrane. It is also mandatory to construct large vacuoles in the cytoplasm with cell organelle chloroplast.
What is a Plant cell?Plant cells may be defined as the type of eukaryotic cell that are the basic unit of life in organisms of the kingdom Plantae such as green plants, photosynthetic algae, etc.
The diagram illustrates the animal cell and asked to modify this into the plant cell. So, there is a requirement to add or edit this cell with plant cell organelles and its characteristics like cell wall, presence of chloroplast, large central vacuoles, etc.
Therefore, it is well described above.
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Compare the structure of prokaryotic and eukaryotic organisms.
Answer:
Explanation:
Eukaryotic cells are cells that contains a membrane bound organelles this include the nucleus while prokaryotic cells do not have a membrane bound nucleus.
Eukaryotic cells have more than one One chromosome while prokaryotic cell has one chromosome that is not true chromosome.
Eukaryotic cell have a multicellular cell type while prokaryotic cell have a unicellular except for some cyanobacteria that may be multicellular.
Cell wall is present in eukaryote only in plant cells and fungi and it chemically simpler while prokaryote cell wall is Usually chemically complex
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Answer:
good morning how are you doing have a great day
The release of water from the vacuoles of the cells caused the plant to wilt and droop. The in the plant's cells helps the plant to maintain its structure during this period of stress.
Answer:
Vacuole; Cell wall
Explanation:
The release of water from the VACUOLES of the cells caused the plant to wilt and droop. The CELL WALL in the plant's cells helps the plant to maintain its structure during this period of stress.
Vacuoles are organelles which help in the storage of fluids which may include water, digestion and excretion(release) of excess water in the cells.
Cell walls on the other hand helps to provide structural support in plants and usually surrounds the membranes on the outer part.
Unlike Earth, Mars has lost their atmosphere over time, causing it to become harsh and uninhabitable. What has protected the Earth's atmosphere?
Answer:23
Explanation:
diploid cell that contains three pairs of chromosomes designated AA , BB, and CC. Each pair contains a maternal and a paternal member (e.g., Am and Ap, etc.). *In mitosis, what chromatid combination(s) will be present during metaphase
Answer:
The combination of chromatids in metaphase will be :
AmAm
ApAp
BmBm
BpBp
CmCm
CpCp
Explanation:
Maternal and paternal chromosomes are now in metaphase so it means they would have duplicated as during prophase chromosomes split into chromatids. however, There is no tetrad in mitosis and move to the equator.
So, maternal and paternal chromatids will not mix or pair with one other. Therefore. the combination of chromatid pairs that will be present during metaphase are:
AmAm
ApAp
BmBm
BpBp
CmCm
CpCp
59:52 In an oil spill, why does the oil not mix with the seawater?
Answer:
The oil does not mix with the water since it has a lower density so it floats on it
Explanation:
smallest particle that make up matter is?
5. Why
can
plants perform photosynthesis, but most animals cannot?
I
what kind of bond does carbon usually form from
Answer:
The most common type of bond formed by carbon is a covalent bond in which carbon shares electrons with other atoms. There are three major types of covalent bonds: single, double, and triple bonds. A carbon atom itself can form four single bonds. Since carbon has four valence electrons, it forms covalent bonds with four neighboring carbon atoms.
Explanation:
Carbon most often forms a covalent bond with other atoms. If the bond is with another carbon atom, it is a pure covalent (or nonpolar covalent) bond. If it is with another atom, a polar covalent bond is formed.
The most common oxidation state of carbon is +4 or -4.
Less commonly, carbon forms ionic bonds with other atoms. This occurs when there is a large electronegativity difference between carbon and the other atom.
So, it usually forms covalent bonds. So D.
Identifying Benefits of Social Behavior
What are the benefits of social behavior? Check all that apply.
protection
foraging
competition
reproduction
division of labor
The benefits of social behavior are protection, foraging, reproduction, and division of labor.
What do you mean by Social behavior?Social behavior may be defined as all kinds of interactions between individuals of the same species from cooperation to antagonism.
Social behavior protects the weak or lazy individuals of the species when they are found in groups. It increases the chances of selection for reproduction.
Due to social behavior, it divides the task of labor among the members of the same species. It increases the chances of searching of food but limits the amount of food to eat.
Therefore, the benefits of social behavior are protection, foraging, reproduction, and division of labor.
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Answer: protection, foraging, reproduction, and division of labor
Explanation:
A fat contains which molecular components? A fat contains which molecular components? two fatty acids and one glycerol molecule three fatty acids and one steroid1 molecule three fatty acids only three fatty acids and one glycerol molecule
Answer: thee fatty acids and one glycerol molecule
Explanation:
A fat molecule consists of two kinds of parts: a glycerol backbone and three fatty acid tails. Glycerol is a small organic molecule with three hydroxyl (OH) groups, while a fatty acid consists of a long hydrocarbon chain attached to a carboxyl group. A typical fatty acid contains 12–18 carbons, though some may have as few as 4 or as many as 36. - from Khan academy
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Answer:
B, Kilograms.
Explanation:
We can compare this to another problem, to help you understand.
Chase is a puppy and doesn't weight a lot. Let's review the different metric units that we use for measuring weight. A milligram is for very tiny things such as a bean or a dust particle. A gram measures slightly heavier things like a paperclip or a pencil. A kilogram is used for things with definite weight, like a kitten or a dog.
The vet would have measured Chase in kilograms.
Hope this helped. :)