The difference between the gravitational force and electrical force is that the electrical force can pull and push while the gravitational force is only attractive which means it can only pull.
What do you mean by Gravitational force?Gravitational force may be defined as a conservative force by which the earth allures other objects by mass.
The basic difference between both two forces is that the gravitational force can only attract masses, while electrostatic force either attracts or repel when two charges of the same sign are gathered.
Therefore, the correct option for this question is D.
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Geologist organized the geologic time scale based on
O A) their favorite time in history
OB) evenly spaced time segments
O C) rock and fossil records
O D) none of the above
Answer:
OB) evenly spaced time segments
Explanation:
please mark this answer as brainliest
What type of environment did the first land plants probably live in?
Answer:
fluvial wetlands
Explanation:
The earliest megafossils of land plants were thalloid organisms, which dwelt in fluvial wetlands and are found to have covered most of an early Silurian flood plain. They could only survive when the land was waterlogged.
Stem cells undergo a process known as differentiation in order to become specialized. Specialized cells do not revert back into their undifferentiated form once they have matured. Nucleic acids play a role in the process of differentiation. Which statements describe the relationship between nucleic acids and differentiation? Select ALL that apply.
A) Genes within the genome tend to remain inactivated until their gene products are needed.
B) Once they are differentiated, cells contain additional DNA that programs the cells to be specialized.
C) All cells in an organism, whether differentiated of not, contain a complete genome with the exact same genes. Hindi
D) Stem cells remove part of their genome once they are differentiated so that unnecessary genes cannot be expressed.
E) Transcription factors are present in certain cells that cause specific genes to be transcribed in differentiated cells.
A
C
E
(Trust me)
Explanation:
The differentiated cell has specific transcription factors that are present in the cell and cause specific genes to be transcribed. Option E is the correct answer.
What is cell specification?Cell specification is the process by which a cell determines its fate. After specification, a cell's gene pattern changes. Some genes that are present in euchromatin regions are expressed, and as a result, this cell expresses specific proteins and RNA.
After the zygote is formed, it undergoes a cleavage process to form multiple cells by mitosis. The cells then specify and receive their fate, such as some converting into nervous cells, others into epithelial cells, and still others into blood cells.
This change in structure and function is due to the expression of special genes in DNA. Though all cells have the same genetic content, some genes are present in euchromatin regions and some genes are present in heterochromatin regions. Genes of euchromatin are expressed.
Hence, option E is the correct answer, as the cell produced specific transcription factors.
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Which of the following things is not made of wither fermentation?
Cheese
Yogurt
Bread
Peanut butter
Chocolate
Answer:
peanut butter not very sure
1. What is the main cause of cancer?
which test tube(s) acts a negative contra
Answer: b
Explanation:
How does the conservation of matter relate to the process of digestion?
Answer: According to the the law of Conservation of Matter, matter is neither created nor destroyed. ... When matter changes from one form to another, e.g., a portion of beef steak (beef protein) is eaten and digested, the macro-structure of the beef is broken by our digestive enzymes into its component amino acids.
Explanation:
What is the most important factor in determining if cancer treatment will be successful?
Is there a relationship between the environment & what an animal looks like?
PLEASE HELP I HAVE AN EXAM !!!
What are the three things that trigger production and secretion of a hormone from an endocrine gland?
Answer:
There are three mechanisms by which endocrine glands are stimulated to synthesize and release hormones: humoral stimuli, hormonal stimuli, and neural stimuli.
How does the cloning animals affect the environment (3-5 sentences)
PLEASE HELP
Identify the "Four Rs" of solid waste reduction and give an example of how
individuals can apply each strategy.
Answer:
the Department of Recycling & Resource Management uses the "4 R's" - which are: Reduce, Reuse, Recycle and Rethink.
The Department of Recycling & Resource Management uses the "4 R's" - which are: Reduce, Reuse, Recycle and Rethink.
What are the 4 R's of waste disposal explain each in a sentence?The four Rs of waste disposal are:
Refuse: Say no to the non biodegradable wastes Reduce: Decreasing the accumulation of wastes Reusing them wherever possible.Thus, uses the "4 R's" - which are: Reduce, Reuse, Recycle and Rethink.
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A 28 year old woman, 18 weeks pregnant following a one-night stand unprotected sexual encounter, went to her doctor after 36 hours of headache, fever, nausea, and vomiting. Her doctor admitted her to the hospital immediately with a 104F fever and neck stiffness. All neurological exams were otherwise normal. A gram smear of the CSF (test 1) was conducted and revealed gram-negative diplococci and culture on chocolate agar showed small colorless colonies (test 2). The doctors treated her with an antibiotic, but also performed a third test to confirm diagnosis molecularly. She recovered without any complications,
1. What did this patient have?
2. What risk factors made this patient more likely to get this infection?
3. What would this patient be treated with?
4. What type of molecular diagnostic test might the doctors have used and how does it work?
Answer:
1. On the basis of the symptoms given in the question the most possible infection would be Meningitidis by Neisseria meningitides bacteria, gram-negative diplococcus.
2. The infection mostly spread by saliva or droplets while coughing, or sneezing. It can also spread by having oral sex.
3. Antibiotics such as Cephalosporin antibiotic, ampicillin, Penicillin, and Chloramphenicol used in the treatment of Meningitidis.
4. PCR-based meningococcal DNA detection is the main or common molecular level diagnosis of these infections. It amplifies the DNA and amplified PCR products are visualized on gel-based systems. This involves, amplifying, annealing in 5 to 3 prime direction.
12. Scientists discover a new species of mouse and want to classily it accurately,
A. organism cloning
B. genome sequencing
C. gene therapy
D. DNA fingerprinting
Answer:
A
Explanation:
Answer:
A
Explanation:
Summary:Scientists have discovered two new species of 'stilt mice,' semi-aquatic African rodents with extra-long feet that they stand up on like a kangaroo. The mice wade in streams and dip their whiskers onto the water's surface to detect bugs to eat. The researchers also helped clarify these rodents' family tree, which includes a genus that's only ever been collected once, 93 years ago
How do heterotrophs get energy? Explain.
Answer:
A heterotroph is an organism that eats other organisms.
Explanation:
Heterotrophs get energy by hunting and eating other living organisms.
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Some ocean plants, such as photosynthetic algae, benefit when dissolved CO2 levels in ocean water are elevated. Complete the
chemical equation by dragging and dropping components of the equation into the boxes that BEST explains how algae use CO2 for
photosynthesis
Answer:
CO2 + H2O ---SUNLIGHT--------> C6H12O6 + O2
Explanation:
In the process of photosynthesis, carbondioxide reacts with water molecules in the presence of sunlight forming glucose molecules and oxygen gas. The carbondioxide enters the plant body through small openings called stomata, these stomata opens when there is sunlight whereas water enters the plant body through roots from the soil and reaches to the leaves. In leaves both combine produces glucose which can be stored in different parts of the body and some oxygen is used by the plants in the process of respiration and extra is released through stomata.
Janine’s hands are larger than her father’s hands. Which explanation can account for the difference in hand size between father and daughter?
Janine’s large hands may be the result of a genetic mutation.
B
Janine inherited her mother’s hand size.
C
The difference in hand size may be due to an environmental cause.
D
Though some of the above are more likely than others, all of the above are possible explanations.
Answer:
I think it is either D or A
Explanation:
what is the meaning of love ? ...What is love?
Answer:
Love is a feeling
Explanation:
Answer:
Love is a feeling, it's when you have affection for someone and you trust them and care about them. The power of love is always strong.
Stay hydrated and Keep Smiling :)
Please answer the questions that have “type here”
Earth science
Answer:
Earth science or geoscience is the study of the Earth's structure, properties, processes, and four and a half billion years of biotic evolution. Understanding these phenomena is essential to the maintenance of life on the planet. There are four basic areas of Earth science study:
Geology: Science of the EarthMeteorology: Science of the AtmosphereOceanography: Science of the OceansAstronomy: Science of the Universe
What did scientists learn through the Human Genome Project?
A. Where particular genes are located on human chromosomes
B. What every human gene does as well as how it functions
C. How to insert foreign genetic sequences into human DNA
D. When the first humans existed on earth
I don’t know if it is B or C
It must have been C, as the project was a study was to determine the order of the approx 3 billion bases in the human genome, which is sequencing.
How many Chromosomes do humans have?______________________. That would be ___________________ pairs of Chromosomes.
46 chromosomes that would be 23 pairs of chromosomes
Answer:
46
Explanation:
name the group of algae most closely related to plants
Answer:
because it is a living thing.
and plants are living organisms?
Describe at least three large - scale detrimental consequences of rising temperatures
Answer:
En primer lugar hay que decir que en contra de lo que puedan pensar muchas personas, el aumento de las temperaturas es una realidad. De hecho, no hay más que ver algunos datos comparativos para darse cuenta, por ejemplo, de que la temperatura de los polos ha aumentado considerablemente en el último siglo.
En primer lugar y por encima de todo tenemos que tener muy claro que el hábitat está cambiando de una manera abismal por lo que la vida del ser humano en La Tierra cada vez es más complicada. Si a esto le unimos el hecho de que nosotros no somos el único ser vivo cuya vida se complica, podemos concluir que muchas especies no serán capaces de adaptarse a estos cambios por lo que morirán. Un cambio que se puede llevar consigo gran parte de las cosechas que existen a día de hoy.
Una serie de consecuencias que lejos de ser catastróficas son más que plausibles. Es cierto que del mismo modo que esta situación se puede dar, no es menos cierto que todavía hay opciones de revertir la situación. La pregunta, sin embargo, es saber si el ser humano está dispuesto a ello.
Explanation:
Which is the best type of scientific investigation for Bena to use to study this?
When H. pylori was first discovered, researchers doubted the finding. It was thought that the acidic environment of the stomach was too hostile for microbes to thrive. Newer research using genetic analysis and culture techniques has revealed that there is a diverse gastric microbiota. Of the options below, what is the only one that does not involve genetic analyses?
A. Sequencing approaches have shown that the normal microbiota includes Archaea and provide mechanisms for studying their distribution.
B. Knowledge of growth rates allows researchers to predict responses to changing conditions.
C. Knowledge of the microbiota from sequencing efforts has been used to improve cultivation techniques.
D. Genetic analyses have been used to examine the dominant species in different individuals, showing that it varies from one individual to another.
Answer:
B. Knowledge of growth rates allows researchers to predict responses to changing conditions.
Explanation:
Genetic analyzes are tests that try to identify the genetic composition of a living being, being able to analyze the DNA in a profound way and obtaining crucial information about the organism. The most common way to carry out a genetic analysis is through the sequencing of genes, since they are segments of DNA molecules. Therefore, we can conclude that among all the response options presented above, all that refer to the sequencing of genes should be discarded. Thus, we can see that option B is the correct option, since the analysis of growth rates does not involve a genetic analysis.
The image best illustrates which change? The image illustrates a human-induced environmental change. O pollution O wildlife hazard O eutrophication O non-sustainable harvesting
Answer:
B
Explanation:
i took the unit
Answer:
Yea I think it’s B too
Explanation:
In your opinion, how does the pancreas regulate the exact amount of glucose to be absorbed into its
target organs through the secretion of insulin?
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Complete the following sentence.
In topiary, the design element of a plant’s natural ____________ has been altered through pruning, trimming, and binding to develop a new and alien shape.
Answer:
form
Explanation:
EDGE 2021
Answer:
form
Explanation:
An enzyme known as rubisco enables plants to use large amounts of
carbon dioxide. This enzyme is most likely active in the
O (1) nucleus
O (2) vacuoles
O (3) mitochondria
O (4) chloroplasts
The enzyme rubisco is most likely active in the chloroplasts.
• In the chloroplasts of the plants, the enzyme rubisco is present.
• It takes part in fixing atmospheric carbon dioxide at the time of photosynthesis and in oxygenation of the resulting compound at the time of photorespiration.
• Rubisco is the name given to the enzyme ribulose-1,5-bisphosphate, which catalyzes the carbon dioxide entry into the photosynthetic metabolism, monitors the pool sizes of essential photosynthetic intermediates, and provides acceptor molecules, which consume the products of the light reactions of photosynthesis.
Thus, option 4, that is, chloroplasts is correct.
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How long is a lunar cycle?
Answer:
29.5 daysThe Moon has phases because it orbits Earth, which causes the portion we see illuminated to change. The Moon takes 27.3 days to orbit Earth, but the lunar phase cycle (from new Moon to new Moon) is 29.5days(~￣³￣)~keep on learning.I know its helpAnswer: Hewo, there! your Answer is Below
29.5 Or 30 Days
Explanation:
all lunar calendar months approximate the mean length of the synodic month, the average period the Moon takes to cycle through its phases (new, first quarter, full, last quarter) and back again: 29–30 days.
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