how does a cell take in large particles? how does a cell expel large particles
Molecules cannot change position in a ________.
A.Solid
B.Liquid
C.Gas
Please answer fast!
How does geological time help scientists keep track of events in Earth’s history?
The geologic time scale helps scientists track events in Earth's history by organizing important changes into divisions based on geology, climate, and the evolution of life.
This scale divides Earth's history into divisions based on major changes in geology, climate, and the evolution of life. By studying rocks and fossils, researchers can piece together Earth's past and understand the sequence of events.
Which of these statements is false? 1.Cell processes affect the entire biosphere. 2.Cell processes affect all of bodily functions. 3.Cells are composed primarily of inorganic molecules. 4.Cells contain all four kinds of organic macromolecules.
Answer:
This is false: 3.Cells are composed primarily of inorganic molecules
Explanation:
Water, inorganic compounds and organic molecules form approximately 75-85% of the weight of living matter. Of all, water is the most abundant, about 70%, while inorganic compounds only represent approximately 1% of the cell composition. The rest is composed of macromolecules such as proteins, polysaccharides, lipids and nucleic acids. Cells have four types of organic molecules: sugars, fatty acids, nucleotides and amino acids.
Which of these is a body fossil. A shrimp burrow B dinasour bone C dinasour footprint D an ornithopod track
Why do plants not grow in the bottom of the oceans?
Select all that apply.
If organisms are of the same species, _____.
A.they can interbreed
B.they share genetic similarities
C.they are the same color
D.they fall under the same genus
Answer:
A.they can interbreed
B.they share genetic similarities
D.they fall under the same genus
Explanation:
INterbreed is something that happens between different races of the same or different species, different members of the same species share genetic similarities, very often a lot of genetic similarities it is not much what changes from one individual to the other in the grand scheme of things, and genus is a branch of the taxonomic division and it falls right above expecies, so two members of the same species would fall under the same genus.
White moths were found in huge numbers in the city of Birmingham. These moths could be easily camouflaged by the trees. Because of sudden industrial development, the trees in the city were covered with soot. How will this change affect the population of white moths?
Answer:
The soot is blackish in color and are produced due to the partial burning of different types of organic matters.
According to the given condition, the soot is released because of the sudden development of industries. As a result of which this soot is released into the atmosphere and the trees in the city were covered with this soot. Due to this, the populations of white moths are directly affected.
The white moths are directly dependent on the tree leaves for their growth and reproduction purposes. When these tree leaves are being covered with this soot, the leaves get destroyed as this soot is comprised of carbon. So, eventually, it will lead to their loss of habitat.
Thus, the white moth population will be reduced considerably.
in a Snapdragon red is not complete dominant over white flower what color flower would you expect you cross a red flower with a pink flower what would the genotype be and the phenotypic ratios
In a snapdragon, if a red flower is crossed with a white flower, it will result in a pink flower due to the law of incomplete dominance.
What is the law of incomplete dominance?
In the law of incomplete dominance, both alleles of a gene are partially expressed in a locus resulting in the expression of a phenotype that is completely different from any of the parents.
It is also known as the law of partial dominance. This occurs because neither of the two alleles is completely dominant over one another and thus neither of them is fully expressed.
In this case, the genotype of one parent is RR (red flower) and the genotype of the other parent is ww (white flower).
So, according to the punnet square,
R R
w Rw Rw
w Rw Rw
Rw genotype represents the phenotype of the pink flower.
Now, if a pink flower is crossed with a red flower,
R R
R RR RR
w Rw Rw
RR genotype represents red flowers and Rw genotype represents pink flowers.
Therefore, it would result in half of the flowers being red and half of the flowers being white.
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Some opponents of the theory of evolution dismiss the idea as being “just a theory.” Why is this
NOT a very good argument against the theory of evolution?
Critics dismissing evolution as 'just a theory' fail to recognize the extensive evidence supporting the theory and its rigorous testing.
In science, a theory is a body of thoroughly tested and verified explanations for a set of observations. The theory of evolution has substantial evidence supporting it, and it has been rigorously tested over time. Critics who dismiss evolution as 'just a theory' misunderstand the scientific definition of theory and the extensive evidence backing the concept.
What did you notice about the size of the blocks and their density? Did it match what you thought? Why or why not?
When evaluating blocks, density does not necessarily correlate with size, as it depends on both mass and volume; larger blocks aren't always more dense. This challenges initial assumptions and leads to further investigation about material properties and the identification of materials based on density.
When examining the size of blocks and their density, you may notice that the density does not necessarily correlate with the size of the block. Density is a measure of how much mass is contained within a unit volume, and it can vary regardless of the block's size. For instance, two blocks with the same volume can have different masses, leading to different densities. This might not match your initial thoughts if you assumed that larger blocks would be more dense.
Materials often have characteristic densities, which allows us to identify them and predict where they might be found, such as in the city or the country. In a classroom setting, we use these observations to test hypotheses about material properties. When you compare your results to your original hypothesis, you might find discrepancies, leading to further inquiry about why certain materials behave as they do, such as differing rates of sinking or floating (e.g., how fast a block goes when placed in water).
The concept of density is also crucial when ordering blocks by mass or by density, considering the relation between mass and density. In a scientific exercise or an educational simulation, you might be asked to determine the mass, volume, and density of different blocks, and then rank them accordingly. Doing so leads to a deeper understanding of the physical properties of materials.
The density of the green block, for example, can be determined by removing all other blocks from a tank of water and measuring how much water the green block displaces when it is placed in the middle of the tank.
Which style of music, sometimes called the “first popular music,” usually has simple lyrics about everyday life with simple instrumental accompaniment?
A. Rap
B. Folk
C. Processional
D. Rock
(I know this isn't the right subject, there is no music.)
The style of music often referred to as the "first popular music," characterized by simple lyrics about everyday life and accompanied by straightforward instrumental arrangements, is B. Folk.
Folk music has deep historical roots, emerging organically within communities and reflecting the experiences, traditions, and stories of ordinary people. Its simplicity lies in its accessibility, with lyrics often telling tales of daily life, love, struggles, and cultural heritage. The instrumental accompaniment for folk music is typically uncomplicated, featuring traditional instruments like acoustic guitars, banjos, fiddles, and simple percussion.
In contrast, other genres listed:
A. Rap is known for its rhythmic and rhyming speech, often addressing social and political issues with a distinctive vocal delivery. While rap can convey everyday experiences, it is not traditionally associated with simplicity in instrumental accompaniment.
C. Processional typically refers to music accompanying a procession or ceremony, rather than a distinct genre with a focus on simple lyrics and instrumental arrangements.
D. Rock is a diverse genre with complex musical structures, often characterized by amplified instruments and a wide range of lyrical themes, making it less aligned with simplicity in both lyrics and instrumentation compared to folk music.
In summary, folk music, with its simplicity in lyrics and instrumental accompaniment, stands out as the genre often considered the "first popular music."
Therefore , from the given options the correct one is B.
Final answer:
Folk music, known for its simple lyrics and instrumental accompaniment that reflects everyday life, is considered the “first popular music.” It is characterized by its grounding in local traditions and homemade instruments, and it played a significant role in shaping the development of many familiar genres of music.
Explanation:
Folk Music: The First Popular Music
The style of music that is often referred to as the “first popular music” and usually features simple lyrics about everyday life with simple instrumental accompaniment is Folk music. Folk music is considered homemade and is produced by unschooled musicians. Its traits, including the instrumentation, lyrical content, and performance techniques, are influenced by local conditions such as the geography, the ethnicity of the musicians, and their audiences. American folk music, for example, has evolved from a variety of traditions, such as lining out, work songs, spiritual tunes, and the use of lightweight, homemade instruments like harmonicas, violins, guitars, and banjos. It set the groundwork for the development of more complex musical forms, like blues, jazz, and the heavy rhythms of rock and roll. Folk music represents a theatrical expression of the creator's thoughts and perceptions, documenting both individual and collective human experiences.
Which process is represented? a. nondisjunction b.translocation c.inversion d.insertion
Answer:d.insertion
Explanation:
Plants use cellulose to build strong structures. what is cellulose made of? -proteins linked together -DNA molecules -lipids bonded together -simple carbohydrates linked together
what are the three main parts of a soil survey
What type of plants are able to grow in the tundra?
Phosphate is necessary for all of the following except
FITT stands for frequency, intensity, time, and type
Question 5 options:
True
False
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Explain the process of evolution through isolation that results in speciation.
Answer:
Evolution is a natural phenomenon by which inheritable characteristics of a species change over generations.
It mainly relies on processes such as natural selection, genetic drift, migration, and mutation.
Heredity, genetic variation, and differential reproduction result in evolution with the help of natural selection.
Isolation (geographical or reproductive) prevent the flow of genetic material between the populations. With time, the populations evolved in different species as a result of adaptation towards different habitat or niche (natural selection).
For example, in Galapagos islands finches were isolated through different islands. The flow of genetic material was restricted. In addition, natural selection helped different populations to adapt different characters as an adaptation towards different food resources.
As a result, different populations evolved into different species with varied body size, beak shape, and feeding behavior.
When ATP is changed to ADP , it releases energy . Change your atp molecule so that it forms ADP what change did u make?
To change ATP to ADP, a phosphate group is removed, a process that releases energy as the high-energy phosphoanhydride bond between the second and third phosphate groups is broken.
Explanation:When an ATP molecule is changed to ADP (adenosine diphosphate), a phosphate group is removed. This process is known as dephosphorylation or hydrolysis. The bond between the second and third phosphate groups in ATP (the phosphoanhydride bond) is broken, releasing useful energy for the cell. The energy is stored in this bond because phosphate groups, which are negatively charged, repel each other and create instability in the ATP molecule. Thus, when ATP loses one phosphate and becomes ADP, energy is released as the high-energy bond is broken.
Figure 10.11 illustrates how ATP is hydrolyzed into ADP and inorganic phosphate, with the release of energy that can be used to do work in the cell. Overall, ATP functions as the energy currency of cells, with the conversion between ATP and ADP being central to energy storage and usage in biological systems.
The African snail is a large snail that eats at least 500 different types of plants and is one of the top 100 invasive species in the world. What is the most likely way the snail was introduced into Florida? A small animal was carrying one on its fur. A boy brought a pair home as pets. Two swam across the ocean. One stuck to an airplane’s wing.
answer is B. A boy brought a pair home as pets.
correct me if i'm wrong.
An adaptation is a change that occurs over time naturally within a population due to environmental influences. Which of the following is NOT an example of a beneficial adaptation?
A. White fur color of rabbits in the arctic
B. Neck elongation of women using weighted rings in tribal Africa
C. Elastic stomachs of blow-fish that stretch and spines to ward off predators
D. Camel humps filled with fat stores for when food is unavailable
B. Neck elongation of women using weighted rings and tribal Africa
I had this on a test. I remember this being the correct answer.
describe how to correctly prepare a microscope slide of an insect wing for viewing
Cellular respiration is a process involving the breakdown of glucose molecules in order to generate energy for cellular activities. Given the general reaction below, which of the following best describes the products labeled x and y?
C6H12O6 + O2 → _x___ + __y___ + energy (2 points)
The products are CO (carbon monoxide) and H2O2 (hydrogen peroxide), which then decompose into carbon dioxide (CO2) and water (H2O).The products are H2O (water) and CO2 (carbon dioxide), which then undergo anaerobic respiration.The products are CO2 (carbon dioxide) and H2O (water), which then become the reactants for photosynthesis.The products are O2 (oxygen) and H2O (water), which are then used for growth and to keep the organism hydrated.The answer is... CO2 (carbon dioxide) and H2O (water), which then become the reactants for photosynthesis. (C)
Answer: The products X and Y are CO₂ (carbon dioxide) and H₂O ( water), which then become reactants for photosynthesis.
The given reaction in the question depicts cellular respiration. In this process, oxidation of glucose takes place in order to generate energy in the form of ATP ( adenosine triphosphate) that is utilized by the cell for various activities.
CO₂ and H₂O are released in this process. They are utilized as reactants by green plants and algae for synthesis of food ( photosynthesis).
What is the answer for 36 and 37 and explain !!
Answer:
36 is 3 and 37 is 4
Explanation:
IM IN THE SAME CLASS AS YOU
What is responsible for telling cells how to behave
Answer:
Cellular differentiation and signaling
Explanation:
Cells specialize in their functions due to the process of differentiation, transforming embryonic cells into new cells with specific morphology and physiology.
The behavior of cells for different functions is due to gene expressions and also thanks to receptors on the surface and inside the cell.
These receptors bind to signaling molecules, establishing communication between the nervous system and the others, ensuring the specificity of cells.
Which stimulus causes a responding plant to demonstrate phototropism?
direction of light
intensity of light
length of the day
time of day
The stimulus that causes a responding plant to demonstrate phototropism is the direction of light. Thus, the correct option is A.
What is Phototropism?Phototropism may be defined as the process that involves the growth of plants with respect to light. It is usually associated with the direction of light.
Phototropism is one of the major functions of the phytohormone known as Auxin. Apart from phototropism, auxin also involves gravitropism and thigmotropism.
According to the principle of phototropism, the plant usually grows in the direction of light, or from where the light is directly falling on the leaves of the plant.
Phototropism is of two types positive which induces the growth of the plant towards the direction of light and negative phototropism which provokes the growth away from the direction of light
Therefore, the stimulus that causes a responding plant to demonstrate phototropism is the direction of light. Thus, the correct option is A.
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on the pH scale where can you find the strong acids and strong bases
On the basis of the pH scale, strong bases are mostly contained at the end (13-14) and strong acids have been found at the starting (0–1).
What is pH scale?It is a kind of scale which would be used to measure the strength of acidity as well as basicity. pH scale ranges in value between 1 to 14. On the metric scale, a 7 indicates that the outcome appears neutral.
What is a strong acid?"An acid would be considered as the substance that ionizes completely whenever dissolved in a particular solution. "It will release a higher concentration of H+ ions. For example, hydrochloric acid.
What is a strong base?A substance that ionizes completely in solution to give OH- ions will be referred as strong base. For example, sodium hydroxide.
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Which statements about particle movement in the image to the right are true? Check all that apply
Answer:
B and D
Explanation:
What is a hesitation beat
A hesitation beat is a cardiac event where there is a pause following a premature contraction, resulting in what may feel like a skipped heartbeat, and can suggest underlying heart issues if persistent.
A hesitation beat is a term used in cardiac physiology to describe a delay or pause in the heartbeat that is often secondary to a premature contraction. In the case of a premature atrial contraction (PAC) or premature ventricular contraction (PVC), the subsequent heartbeat is delayed as the heart's electrical system resets itself. This results in a feeling of a skipped or extra beat and can sometimes be felt by the patient as a palpitation. While hesitation beats can be a normal variant in many individuals, they can also indicate underlying cardiac problems, especially if they occur frequently or are associated with other symptoms. It is important for individuals who experience recurrent hesitation beats to seek a medical evaluation to rule out potential issues.