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Object A has a mass of 12 g and a volume of 8 cm3. Object B has a mass of 20 g and a volume of 8 cm3. Which object has a greater density and by how much?
Object A, by 1 gram per cubic centimeter
Object A, by 8 grams per cubic centimeter
Object B, by 1 gram per cubic centimeter
Object B, by 8 grams per cubic centimeter
it is c Object B, by 1 grams per cubic centimeter.
The density of an object is calculated using the formula Density = Mass / Volume. After calculating, it's determined that Object B has a greater density (2.5 g/cm3) compared to Object A (1.5 g/cm3), and the difference between the two is 1 gram per cubic centimeter.
Explanation:The subject of this question is density, which in physics is calculated by the formula: Density = Mass / Volume. So, let's calculate the density for both Object A and Object B.
1. Object A: Density = Mass / Volume = 12g / 8cm3 = 1.5 g/cm3
2. Object B: Density = Mass / Volume = 20g / 8cm3 = 2.5 g/cm3
Therefore, Object B has a greater density and the difference is 2.5 g/cm3 - 1.5 g/cm3 = 1 g/cm3.
So, the correct answer is: Object B, by 1 gram per cubic centimeter.
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x-ray diffraction photographs by wilkins and franklin suggested that
X-ray diffraction photographs by Wilkins and Franklin suggested that the structure of the DNA, and from the X-ray crystallography, the DNA double helical structure was established.
What is the significance of X-ray crystallography?X-ray crystallography helped to observe the DNA, and the image was taken by the scientist Rosalind Franklin. These X-ray crystallography images provided evidence for the double helix model proposed by Watson and Crick and helped in the understanding of genetics. After that, this is used in molecular biology, medicine, biotech, etc. to get a better cure.
Hence, x-ray diffraction photographs by Wilkins and Franklin suggested that the structure of the DNA, and from the X-ray crystallography, the DNA double helical structure was established.
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What shape does the molecule in the image have? A) linear B) tetrahedral C) double helix D) single helix
Answer:
double helix
Explanation:
trust me its right
This is the energy needed to drive photosynthesis.
Answer:
sunlight
Explanation:
The energy required for photosynthesis is sunlight. Photosynthesis is a process wherein plants convert sunlight into chemical energy, making it vital for their growth and survival.
Explanation:The energy needed to drive photosynthesis is sunlight, also known as solar energy. Photosynthesis is the process plants use to convert light energy into chemical energy, which is stored in the bonds of sugars and other food molecules they make. Maize, algae, and many other organisms also rely on this form of energy to fuel their growth and survival.
The process of photosynthesis is initiated when sunlight strikes the chloroplasts in the cells of a plant's leaves. This absorbed light energy is then used to convert carbon dioxide from the atmosphere and water from the soil into glucose, which is a type of sugar that plants use as a source of energy.
The energy needed to drive photosynthesis is light energy. Light energy is absorbed by the chlorophyll pigments in plant cells, which then use this energy to convert carbon dioxide and water into glucose and oxygen during the process of photosynthesis. This energy is essential for plants to produce their own food and carry out other metabolic activities.
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human blood types are determined by the types of proteins 8 or be found in the blood people with type O blood have neither a nor B proteins present the table below provides a description of the possible blood type combinations. What is the probability that a mother with type AB blood and a father with type O blood will have a child with type O blood?
A) 0%
B) 25%
C) 50%
D) 100%
The answer is 0% i just did the question.
Which of the following uses of grasslands is least harmful to the ecosystem?
plowing it for crops
using it for range land
developing commercial areas
importing foreign animals to use the grasslands as a habitat
Answer: using it for range land
Grassland is an ecosystem which is dominated by grasses as herbs, shrubs and other vegetation. Using grassland for range land can be least harmful as a range land is an area of grassland which is used by domestic or wild herbivores for grazing. The grass used by these animals grows again so there is no major loss to the ecosystem. Plowing it for crops will remove the entire naturally growing vegetation. Developing commercial areas will also remove grasses from grassland and will cause the loss of floral and faunal species. Importing foreign animals to use the grasslands as a habitat will result in drought conditions as grasses may wiped out from these regions.
What trait variation did Charles Darwin observe after studying the Galapagos finches? (5 points)
How did Darwin explain the differences in traits? (10 points)
The finches of the same genus had different characteristic on the different islands of the Galapagos. They had different graded beaks sizes and shapes. In some islands, finches had sharp beaks for stabbing their prey. In other islands, the fiches had short stout beaks for grain-eating. This is a case of allopatric speciation where a population of the finches diverged to.adapt to the habitats in the different islands and also claim different niches
There where 3 different variations of the Galapagos Islands. We'll call them flocks X, Y, and Z. All of them eat fruits, seeds, and insects, but they have their own preferences. Flock X has sharp, piercing beaks that good for catching bugs and eating soft fruit, but they will also eat seeds. Flock Y has hard, spoon-like beaks that are good for breaking seeds, but they will also eat insects and fruits. Flock Z has short beaks that are good for catching insects, but will also eat fruits and seeds.
For organisms to be classified as the same species, they must be able to breed with each other and produce _____ offspring
Answer:
fertile
Explanation:
According to the simulation, _______ helps predators to survive by allowing them to sneak up on their prey. a. camouflage b. mimicry c. speed d. night vision Please select the best answer from the choices provided
Answer: a.Camouflage
Simulation is a deception in the characteristics of the organism which favors it's survival in the environment. Camouflage is a kind of simulation, in which the organism adapt the color or shape according to the surrounding environment in order to remain undetected by a prey and a predator. For example, chameleon is a reptile, which can change it's color according to the surrounding environment. It changes it's color to green in grass and remains brown in the tree bark in order to eat insects and remain undetected from prey and predator population.
Therefore, According to the simulation, camouflage helps predators to survive by allowing them to sneak up on their prey.
Write about any two natural resource that can be used as both a material resource and as an energy resource in the UAE.
what is vertebrata and interbrata
Osmosis occurs when there is a different concentration of solute molecules on each side of the membrane. The drawing below shows a beaker containing a 30% salt solution and a suspended cell containing a 10% salt solution. What statement best describes the cell after 20 minutes?
How does heat flow inside Earth move the tectonic plates?
The heat flow inside Earth moves the tectonic plates in the form of convection currents.
How does heat flows inside the earth?Convection in the mantle has been inferred from the fact that the temperature gradient is significantly lower in the main portion of the mantle than in the lithosphere. Hot rocks are physically moved across the mantle during convection to transfer heat. This causes the movement of tectonic plates in the mantle.
Plate tectonic activity frequently leads to magma formation, igneous intrusions, metamorphism, volcanic activity, earthquakes, faulting, and folding. This process can cause the rise of land and the formation of mountains.
Therefore, the heat flow inside Earth moves the tectonic plates in the form of convection currents.
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what is the particles that make up a sample of matter have kinetic energy
Flowering plants are the most successful group of land plants. This is due, in part, to the trait that could be the label for point C. in the cladogram. Consider the organization of the cladogram. What trait, besides flowers, is unique to this group of plants? A) vascular tissue B) seeds protected by a fruit C) alternation of generations D) continuous spore production
Answer:
the answer is B
Explanation:
just got it right
What is one way homeostasis benefits living organisms? It maintains balance. It reduces air pollution. It increases food consumption. It regulates atmospheric temperature. PLZ HURRY
A ____ is one complete trip around an orbit
Final answer:
A revolution is one complete trip around an orbit, commonly called a year for planets like Earth. The orbital period is the time it takes to complete one orbit, which is related to the size of the orbit defined by the semimajor axis. Orbital speed varies within the orbit and is an essential part of understanding celestial dynamics.
Explanation:
A revolution is one complete trip around an orbit. This term can be applied to any object that is moving around another object in space, such as a planet, a satellite, or a moon. When discussing the Earth, this revolution is also known as a year, which is the amount of time it takes for the Earth to complete one orbit around the Sun. The concept of an orbital period is directly related to this, and it represents the time duration needed for an object to make a full orbit around another body. Another term associated with orbital movement is the semimajor axis, which in the context of planetary orbits, helps in determining the orbital period due to its relationship with the size of the orbit.
The speed at which this orbital movement occurs is referred to as orbital speed, and this speed changes depending on the part of the orbit the planet is in—specifically whether it is at perihelion (closest to the Sun) or aphelion (farthest from the Sun) for planets, or perigee (closest to Earth) for satellites.
What is the responsibility of a scientist?
A. To answer scientific questions accurately
B. To answer philosophical questions
C. To advertise new technology
D. To be involved in politics
What type of star has an absolute brightness of 1 and a surface temperature around 7,500 °C?
Will make first answer brainiest ♡
Supergiant
Giant
Main sequence
Dwarf
The movement of tectonic plates in two locations is described below:
Location A: Tectonic plates collide and one plate moves over the other while the other plate is pushed deep into the mantle
Location B: Tectonic plates slide past each other
Which statement is most likely correct?
Volcanic eruptions may occur in both locations.
There is no chance of earthquakes in the two locations.
Mountains may form in Location B but not in Location A.
Subduction happens in Location A but not in Location B.
Final answer:
Location A exhibits characteristics of a convergent plate boundary with subduction leading to possible volcanic activity, while Location B represents a transform plate boundary where earthquakes can occur, but not volcanism or mountain building.
Explanation:
The movement at Location A is indicative of a convergent plate boundary, where one tectonic plate is subducted beneath another. This process can lead to volcanic activity as the subducted plate melts and forms magma that can rise to Earth's surface. Hence, subduction happens in Location A but not in Location B. On the other hand, Location B describes the characteristics of a transform plate boundary, where tectonic plates slide past each other. This motion can build up strain that, when released, results in earthquakes, but it does not typically cause volcanic eruptions or mountain formation as there is no subducting plate.
please help
1. a) The scientific method is the process that scientists use to find out new information. It involves a question, a hypothesis, a prediction, collecting data, and analyzing that data to make a conclusion. How would you use the scientific method to answer this question: Do pumpkins grow bigger when fed milk? (Use each of the steps of the scientific method in your answer.) (15 points)
b) State one scientific question. (2 points)
Answer:
a) The question "Do pumpkins grow bigger when fed milk?" it is already a hypothesis, which means that to apply the scientific method, we should establish an experiment, where we would select a squash squash, feed some with milk and some without milk and wait a certain period of time. After that time, we could move on to the stage of the scientific method called "evaluation of results" where we would evaluate the differences in development and size between the pumpkins that were fed with milk and those that were not. After that we would go to the phase called "conclusion" where based on the comparison of the results we would answer the hypothesis shown above.
b) A scientific question could be "Can bean seeds germinate in sterile soil?"
Explanation:
Scientific method is a set of steps that must be followed when someone wants to prove a hypothesis based on experimental and scientific data. These steps are: visualization of something questionable, formulation of the hypothesis about it, establishment of a scientific experiment to test the hypothesis, evaluation of the results of the experiment and conclusion.
A scientific question is every question that you can perform a scientific experiment to answer it. This scientific experiment is carried out with the steps of the scientific method.
a unicellular prokaryotic organism is discovered by scientists. are these characteristics enough to place it in a domain or is it more information needed
The organism's classification requires further information beyond being unicellular and prokaryotic, as both the Bacteria and Archaea domains share these characteristics. Additional details such as cell membrane composition or rRNA sequence are needed for accurate placement.
Explanation:Knowing that the organism is unicellular and prokaryotic is crucial but not entirely sufficient for its classification into one of the three domains: Bacteria, Archaea, or Eukarya. The domains Bacteria and Archaea include organisms that are unicellular and prokaryotic, meaning they lack a nucleus and membrane-bound organelles. However, these two domains have distinct differences in their cell membrane structures and rRNA sequences.
Consequently, further information is required to determine whether the organism belongs to the domain Bacteria or Archaea. One type of information that could help classify the organism is the chemical composition of its cell membrane or the sequence of its ribosomal RNA (rRNA). If scientists analyze these aspects and find a certain type of lipid unique to Archaea or if the rRNA sequence aligns more closely with that of known Archaea, they could classify it within the domain Archaea. Conversely, if its cell membrane composition and rRNA more closely resemble Bacteria, then it would be classified in the domain Bacteria.
When biologists speak of a universal genetic code they are referring to the fact that, in nearly all organisms, A) the DNA sequences are identical. B) RNA information is transcribed. C) RNA specifies proteins the same way. D) phenotype is dependent upon genotype.
C) RNA specifies proteins the same way.
In nearly all organisms, elements in mitochondrial RNA (called codons) specify each of the 20 amino acids that make up proteins.
The universal genetic code refers to the fact that DNA sequence transcribed into messenger RNA is always read as a triplet sequence of codons. These codons are read during translation by ribosomes and translated into the amino acid sequence, resulting in the synthesis of proteins.
Further explanation:
Protein synthesis through genes occurs in two steps:
The DNA sequence present in the gene is converted into the messenger RNA (mRNA) sequence through transcription. This mRNA is then translated into an amino acid sequence by translation resulting in the formation of protein or polypeptide chain.
The nucleotide sequence in the mRNA is read as a codon sequence in which each codon corresponds to a specific amino acid. A codon is a set of three nucleotides and a complete chain of codons determining the amino acid sequence for a particular protein is called the genetic code.
There are about 20 amino acids present in the proteins which are expressed through DNA containing only four nucleotides. The different sets of nucleotides present in a group of three codes for particular amino acids and are referred to as codons. This combination of nucleotides resulted in the formation of 64 codons for 20 amino acids. Out of 64 codons, three are stop codons while the other 61 codons represent an amino acid.
It is said that the genetic code is universal which means that all the 20 amino acids are specified by the same codons in a number of organisms. Therefore, almost every organism uses the same set of rules for the translation of mRNA into proteins. These rules include reading the genetic code in the form of codon present in the mRNA by the ribosome in a sequential manner followed by protein synthesis as an amino acid sequence.
Learn more:
Learn more about the product of photosynthesis https://brainly.com/question/873199 Learn more about cellular respiration: https://brainly.com/question/8900186 Learn more about glucose: https://brainly.com/question/5125550
Answer details:
Grade: Senior School
Subject: Genetics
Chapter: Translation of mRNA
Keywords:
mRNA, DNA, proteins, amino acids, gene, genetic code, codon, transcription, translation, protein synthesis, nucleotides.
Energy from the sun comes from fusion. What happens during that reaction?
A.Carbon dioxide turns into oxygen
B. hydrogen turns into helium
C. helium turns into hyrdrogen
D. oxygen turns into carbon dioxide
Which is one of the most important differences between prokaryotes and eukaryotes?The cytoplasm in eukaryotes does not contain any organelles but that of prokaryotes does.Eukaryotes are much smaller than prokaryotes.Prokaryotes do not have a well–defined nucleus, but eukaryotes do.
which homeostasis is a condition that strays from normal homeostasis
Answer:
homeostatic imbalance
Explanation:
edge
Taking a prenatal vitamin is very important for a breastfeeding mother. true or false
The correct answer is, "True".
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How to figure out the inclination of the earths axis
The graph represents a _______________ relationship between moose and wolves. A) competitive. B) mutualistic. Eliminate C) parasitic. D) predator-prey.
Predator-prey
The graph represents a predator-prey relationship between the moose and wolves. There is an inverse relationship between the two; when the moose increase in number, the wolf population increases and then the moose population drops. That's because the wolves are eating the moose.
The graph represents a predator-prey relationship. So, the correct option is D.
What is predator-prey relationship?Predation is defined as a community relationship in which organisms of one species, known as the predator, consume the tissues of another species of organism, known as the prey. This means killing prey and eating all or most of the prey organism.
In the given graph which represents a predator-prey relationship between moose and wolves, where there is an inverse relationship between the two organisms such that when the number of moose increases, the population of wolves increases and then Moose populations decline because of wolves eating moose.
So, the correct option is D.
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Other than passing genes from parents to offspring, bacteria are also capable of injecting their genes directly into other bacteria. Using complete sentences, explain how this speeds up the process of evolution in bacteria.
Usually, genes are transferred by bacteriophages, viruses that precisely takeover bacteria cells. Phages inject their own genetic material into the host cell like tiny syringes, compelling it to produce new phages. Throughout this occurrence, genes from the bacterial genome can be combined into the newly made phages. Subsequently, they inject their newly altered genetic load into other bacteria. By this, bacteriophages serve as a transportation, taking up DNA from one bacterium and leaving it into another. Bacteria can also connect through tiny connection tubes wherein they exchange pieces of DNA. They can take up genetic material from the environment as well. There are actually three ways for bacteria to transfer genes. The first one is called Conjugation, which is the transfer of DNA straight from one cell to another through cell-cell contact. Secondly, bacteria are adept at taking up DNA right from their environment and combining it into their genomes.This process is known as natural Transformation. Lastly, Transduction, wherein DNA is transferred from one cell to another by a virus.