Answer:
Recombinant DNA is transferred to a bacterial cell.
Explanation:
How did the moon fom?
Answer:
It was formed around 4.5 billion years ago when something the size of mars smashed into the Earth, which made matter fly into orbit.
factorise x²+3x-10 answers plz
Answer:
x2−3x−10=(x−5)(x+2)
Explanation:
x^2−3x−10
Find a pair of factors of 10 which differ by 3 .
The pair 5,2 works in that 5⋅2=10 and 5−2=3
Hence we found :
x^2−3x−10=(x−5)(x+2)
Hope it is helpful....solve it according to the question please.
the subject is petroleum, so please solve it regardibg
this.
F- Explain the global carbon-climate cycle during the Cretaceous period. (Write only one paragraph describing what happened during the Cretaceous geological period in order to have good source rocks.)
During the Cretaceous period, high temperatures and abundant vegetation resulted in increased \(CO_2\) levels, leading to the accumulation of organic matter and the formation of good source rocks for oil and gas.
During the Cretaceous period, spanning from approximately 145 to 66 million years ago, the global carbon-climate cycle played a crucial role in the development of favorable conditions for the formation of good source rocks. The period was characterized by high global temperatures and abundant vegetation, resulting in increased carbon dioxide \((CO_2)\) levels in the atmosphere.
The elevated \(CO_2\) levels fueled vigorous photosynthesis, leading to the accumulation of organic matter in marine and terrestrial ecosystems. As this organic matter was buried and subjected to heat and pressure over millions of years, it transformed into oil and gas, creating potential source rocks. The warm climate and prolific vegetation during the Cretaceous, along with the subsequent geological processes, contributed to the formation of the rich hydrocarbon reserves that are vital to our energy resources today.
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The correct question is:
Explain the global carbon-climate cycle during the Cretaceous period. (Write only one paragraph describing what happened during the Cretaceous geological period in order to have good source rocks.)
Arrows have different meanings in different contexts in biology. Which phrase does the best job of describing the meaning of the arrows in this model? O a feedback loop Nest the flow of energy and nutrients the transformation of one thing to another O movement of an organism through space O the passage of time
Among the given options, the phrase that best describes the meaning of the arrows in this model is "The flow of energy and nutrients".
In biology, arrows are often used to represent the directional movement or transfer of energy and nutrients within biological systems. These arrows indicate the flow of energy from one organism to another, or the movement of nutrients through various trophic levels in food webs or metabolic pathways.
They depict the direction of energy transfer or the movement of molecules, emphasizing the interconnectedness and dynamic nature of biological processes. Therefore, "The flow of energy and nutrients" is the most appropriate phrase to describe the meaning of the arrows in this context.
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complete Question:
Arrows have different meanings in different contexts in biology. Which phrase does the best job of describing the meaning of the arrows in this model?
A feedback loopThe flow of energy and nutrientsThe transformation of one thing to anotherMovement of an organism through spaceThe passage of timeElectromagnetic tools can better examine the traits of ?
longer fibers
shorter fibers
natural fibers
synthetic fibers
Electromagnetic tools can better examine the traits of longer fibers. The correct option is a.
What are electromagnetic tools?Devices with electromagnets are referred to as electromagnetic devices. Doorbells and any other gadget with an electric motor, such as a fan, are examples of electromagnetic devices.
A doorbell's electromagnet draws the clapper, which strikes the bell and causes it to ring. Long fiber composites are among the most resilient injection molding plastic materials with structural features due to their enhanced toughness.
Therefore, the correct option is a. longer fibers.
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According to the scientific theory of how the universe was formed, which statements true?
Answer:
The universe was formed by a by the BIG BANG.
If i'm right plz mark be brainly.
Explanation:
6. The milk snake and the coral snake both have red, yellow, and black alternating stripes. In the milk snake, black
stripes separate bands ti red and yellow. In the coral snake, yellow stripes separate black and red bands. The
milk snake is non-venomous, but the coral snake is highly venomous. How are these snakes an example of
coevolution?
The coral snake and the milk snake form a mutualistic symbiosis.
* The coral snake and the milk snake have both evolved to eat the same types of prey.
The coral snake is selectively favored by mimicking the non-venomous milk snake.
The milk snake is selectively favored by mimicking the venomous coral snake.
Answer: D. The milk snake is selectively favored by mimicking the venomous coral snake.
Explanation: Good luck! :D
Answer:
D
Explanation:
Which term describes an enzyme?
.
Answer:
An enzyme is a biological molecule that act as a catalyst in many reactions. They speed up chemical reactions specially the reactions inside living organisms. Enzyme are made up of amino acids. They are known to be very efficient catalysts
Explanation:
what are the two types of pressure?
A pesticide was introduced on a farm to kill insects eating the corn crop. The farmer realized that in week 1 after using the pesticide, most of the insects were killed but by week 3 the population of insects increased and the pesticide no longer kills the insects. What is the reason for that observation?
Hello,
The observation that the pesticide was effective in killing insects in week 1 but became ineffective by week 3 is likely due to the development of resistance in the insect population.
When a pesticide is introduced, it may be very effective in killing a large proportion of the target insects. However, some insects may have genetic variations that allow them to survive exposure to the pesticide. These insects then go on to reproduce, passing on the genes that allowed them to survive to their offspring. Over time, the proportion of insects in the population with these resistant genes increases, making the population as a whole less susceptible to the pesticide. This is known as pesticide resistance.
Insects can develop resistance to pesticides through a variety of mechanisms, including mutations that make them less susceptible to the toxic effects of the pesticide, increased detoxification of the pesticide by enzymes in their bodies, or changes in their behavior that allow them to avoid exposure to the pesticide.
To combat pesticide resistance, farmers may need to use different pesticides or alternative methods of pest control. They may also need to use pesticides in a targeted and judicious manner, rotating different types of pesticides to avoid overuse of any one type and minimize the selection pressure for resistance.
a cell that keeps its dna in a membrane-bounded nucleus could be a cell from which organisms?
Answer:
It could be the cell from animals.
Where can the element iron be found in nature?
So Iron can be found in many many different things.
•The core of the earth is majorly composed of Iron, Sulfur, and Nickel.
•It can be found In minerals such as Magnetite and Taconite.
•It can be found In meat, poultry, and fish.
If one million kilocalories of energy are stored in producers in an ecosystem, how many kilocalories can be transferred to tertiary consumers in the ecosystem?.
The energy transferred to the tertiary consumer would be 1,000 kilocalories (10,000 x 10%).
The energy move from makers to tertiary shoppers in view of the explanation that just 10% of the energy put away in life forms at one trophic level is moved to creatures at the following trophic level:
1 million kilocalories (put away in makers)
Primary shopper: 1 million x 10% = 100,000 kilocalories
Secondary buyer: 100,000 x 10% = 10,000 kilocalories
Tertiary shopper: 10,000 x 10% = 1,000 kilocalories
At the point when energy is missed the natural pecking order, just around 10% of the energy put away in one trophic level is really moved to the following. Assuming 1 million kilocalories of energy are put away in makers, the energy that would be moved to the essential buyer would be 100,000 kilocalories (determined by duplicating the energy put away in makers by 10%). Then, the energy moved to the auxiliary purchaser would be 10,000 kilocalories (determined by duplicating the energy moved to the essential customer by 10%). Lastly, the energy moved to the tertiary shopper would be 1,000 kilocalories (determined by duplicating the energy moved to the optional customer by 10%).
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what do muscles do?
Answer:
They help you carry things, walk, run, etc
Explanation:
how is karyogamy related to plasmogamy? check all that apply. check all that apply two haploid nuclei fuse in karogamy. two haploid nuclei fuse in karogamy. a diploid nucleus splits in karyogamy. a diploid nucleus splits in karyogamy. the products of plasmogamy are combined in karyogamy. the products of plasmogamy are combined in karyogamy. the products of plasmogamy are split in karyogamy. the products of plasmogamy are split in karyogamy.
Karyogamy is the process by which two haploid nuclei fuse to form a diploid nucleus. It is an important step in sexual reproduction in many organisms. Plasmogamy, on the other hand, is the fusion of two cells' cytoplasm, which is the material surrounding the nucleus.
A diploid nucleus does not split in karyogamy, as it is the fusion of two haploid nuclei. The products of plasmogamy are not split in karyogamy but rather combined.
In summary, plasmogamy and karyogamy are both important steps in sexual reproduction that lead to genetic diversity in offspring. Plasmogamy brings together two cells' cytoplasm, allowing for genetic exchange, while karyogamy fuses the haploid nuclei to form a diploid nucleus, which undergoes meiosis to produce genetically diverse offspring.
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Number the phases of the moon in the order that they occur, beginning with the new moon as number 1
Next
Answer:
New moon, Waxing Crescent, Waxing Quarter, Waxing Gibbous, Full moon, Waning Gibbous, Waning Quarter, Waning Crescent and then we start all over again
Explanation:
Waxing means getting bigger. The light on the moon is getting bigger
Waning means getting smaller. The light on the moon is getting smaller.
What are the deepest layers of the epidermis?
The deepest layers of the epidermis are the stratum basale and stratum spinosum, which are responsible for cell division and production of keratinocytes that make up the outer layer of skin.
The epidermis is the outermost layer of the skin, which acts as a barrier against external factors. It is composed of several layers, with the deepest being the stratum basale and the stratum spinosum. The stratum basale is the bottom layer of the epidermis and is responsible for cell division, producing new skin cells that gradually move up to the surface. The stratum spinosum is the second deepest layer and contains keratinocytes, which are cells that produce keratin, a fibrous protein that gives the skin its strength and elasticity. Together, these two layers play a vital role in maintaining the integrity and health of the skin.
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p16(ink4a) and senescence- associated β- galactosidase can be induced in macrophages as part of a reversible response to physiological stimuli.
p16 (ink 4a) and senescence-associated with Beta-galactosidase are introduced by macrophages.
What are p16 (ink4a) cells?p16 cells are low molecular weight proteins bound by cyclin-dependent kinase. It is a protein that cell slows cell division. Cellular senescence suppresses cancer by preventing and proliferation of cells.
p16 and Inka 4 cells encoded by cyclin-dependent cells. It is also induced as aging which induces cellular senescence in response to stress.
p16 is a member of ink4a cells. It is a cyclin-dependent kinase inhibitor that plays a critical role in cell cycle regulation. It is expressed in both the nucleus and cytoplasm. p16 is a common biomarker for aging.
Therefore, p16 (ink 4a) and senescence-associated with Beta-galactosidase are introduced by macrophages.
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The only type of human cell that is never replaced is ___. *
Answer:
The only type of human cell that is never replaced is Nerve cells.
Hope this helps you. Do mark me as brainliest.
The only type of human cell that is never replaced is nerve cell.
What is a nerve cell?Neurons are in charge of receiving sensory input from the outside world, sending action potentials to our muscles, and transforming and relaying electrical signals at every step in the process.
The nerve cell is the basic unit of communication in the nervous system (neuron). The cell body, a major branching fiber (axon), and numerous smaller branching fibers comprise each nerve cell (dendrites).
They do not divide in any way. There are only two exceptions to this rule: only two specific areas of the brain can produce new neurons. However, for the most part, the brain is unable to replenish dead neurons.
Thus, nerve cells are the ones that never gets replaced after getting injured.
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The heat from a chinook wind is generated mainly by __________. Group of answer choices friction with the ground sunlight forest fires compressional heating warm ocean water
The heat from a chinook wind is generated mainly by a. compressional heating.
On the eastern side of the Rocky Mountains, there are warm, dry downslope breezes called chinook wind. When moist air from the Pacific Ocean flows inland and is pushed to climb above the mountain range, these winds are created. The production of clouds and precipitation is caused by the cooling and condensing of the air as it moves up the windward side of the mountains.
The air is compressed as it reaches the hilltop and starts to fall on a downslope because of the rising atmospheric pressure at lower elevations. Through adiabatic heating, this compression allows the air to warm very quickly. There is no heat exchange with the surroundings when the air descends because it experiences adiabatic compression. The effect is an increase in air temperature.
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Complete Question:
The heat from a chinook wind is generated mainly by ______
a. compressional heating.
b. sunlight.
c. warm ocean water.
d. friction with the ground.
e. forest fires.
three ways that CRISPR is making genetic engineering more accessible
Answer:
Precision and accuracy: CRISPR (Clustered Regularly Interspaced Short Palindromic Repeats) technology allows for precise and accurate editing of specific genes within a genome. This technology is much more efficient and effective than previous methods of genetic engineering, such as zinc-finger nucleases and TALENs, which were much more difficult and expensive to use.
Cost and accessibility: The cost of CRISPR technology has dropped dramatically since its discovery, making it more accessible to researchers and scientists. This has led to a proliferation of research in the field of genetic engineering, with more and more labs and institutions adopting CRISPR technology.
Flexibility: CRISPR technology can be used in a wide range of organisms, including bacteria, plants, animals, and even humans. This versatility has made it possible to study and edit genes in a variety of organisms, leading to new insights and discoveries in the field of genetics.
Explanation:
Explain how valves help the transport of blood in veins.
Answer:
The valves' main job is to keep the blood moving in one direction – back up towards the heart. When the valve is open, blood freely flows upward towards the heart and when the valves are closed, blood cannot flow back
what does a human neuron use to send a signal to the brain in response to a stimulus such as touch?
A. myosin and actin
B. contraction and relaxation
C. respiration and absorption
D. electrical signals and chemical neurotransmitters
Answer:
D.electrical signals and chemical neurotransmitters
Explanation:
chemical transmitters are the language that neurons use to connect eachother.
Match the pollutant to the water pollution classification
Top
1. Heat
2. Parasitic worm
3. Animal feces
4. Household cleaners (drain-O and bleach)
5. Light fluid
6. Arsenic
A. Inorganic chemical
B. Physical agent
C. Heavy metal
D. Organic matter
E. Organic chemical
F. Pathogen.
(Example on how to answer=
1. Baby belongs to, F. Couch.).
ater pollutants can be classified as organic pollutants, inorganic pollutants, pathogens, suspended solids, nutrients and agriculture pollutants, thermal, radioactive, and other pollutants.
Answer:
1- Heat -- B. Physical agent
2- Parasitic worm -- F. Pathogen
3- Animal feces -- D. Organic matter
4- Household cleaners (drain-O and bleach) -- E. Organic chemical
5- Light fluid -- D. Organic matter
6- Arsenic -- C. Heavy metal
Which structure is represented by the letter C?
Choose 1 answer:
A
Chloroplast
B
Mitochondria
C
Vacuole
D
Nucleus
Answer:
A. Chloroplast
Explanation:
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Answer:
A chloroplast
Explanation:
Pollution
10. Discuss why people choose to pollute the environment instead of being environmentally friendly.
11. In this situation identify the "commons"
I can’t find the answer to the second question in this article called tragedy of the commons by garrett hardin 1969
Answer:
Explanation:
I found an exaple
Solutions to the tragedy of the commons include the imposition of private property rights, government regulation, or the development of a collective action arrangement. Historical examples of tragedies of the commons include the collapse of the North Atlantic Cod fisheries and the extinction of the dodo bird.
maybe this well help as well
human activity is causing environmental degradation, which is the deterioration of the environment through depletion of resources such as air, water and soil; the destruction of ecosystems; habitat destruction; the extinction of wildlife; and pollution.
This items digests waste material in the cell
Group of answer choices
chloroplast
endoplasmic reticulum
lysosome
DNA
Answer:
Lysosomes get rid of waste in the cells.
Answer: ! ' 23, ,
the answer is C,
Explanation:
The answer is lysosome. I believe that the answer is C because this is how the lysosome works: A lysosome is a membrane-bound cell organelle that contains digestive enzymes. Lysosomes are involved with various cell processes. They break down excess or worn-out cell parts. They may be used to destroy invading viruses and bacteria.
!
Describe an example of a plant cell that is specialized for a specific function. What is special about the cell that allows it to perform this specific function?
A plant cell type that is specialized for a specific function is the mesophyll cells in the leaves, which contain many chloroplasts to perform photosynthesis.
What is cell differentiation?Cell differentiation refers to the specialization by which cells can perform specific functions.
Mesophyll cells in the plant leaves are specialized cells that contain chloroplasts, which are organelles where photosynthesis occurs.
In conclusion, a plant cell type that is specialized for a specific function is the mesophyll cells in the leaves, which contain many chloroplasts to perform photosynthesis.
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Which is not true?
Without oceans, there would be more evaporation and more precipitation on Earth.
Without oceans, there would be more evaporation and more precipitation on Earth.
Oceans are an enormous reservoir of water.
Oceans are an enormous reservoir of water.
Without oceans, earth would have much less biodiversity.
Without oceans, earth would have much less biodiversity.
Oceans give Earth a more moderate climate.
Oceans give Earth a more moderate climate.
Answer: Without oceans, there would be more evaporation and more precipitation on Earth
1. Name 5 simple crochet stiches.
Explanation:
Single Crochet Stitch.
Double Crochet Stitch.
Half Double Crochet Stitch.
Treble Crochet Stitch.
Slip Stitch Crochet.