Answer:
Eukaryotic cells contain membrane-bound organelles, such as the nucleus, while prokaryotic cells do not. Differences in cellular structure of prokaryotes and eukaryotes include the presence of mitochondria and chloroplasts, the cell wall, and the structure of chromosomal DNA.
Hopefully this helped! :D
-LavenderVye
Which of the following is true of compasses?
A. Compass magnets can only be deflected by electromagnets such as Earth's magnetic field
B. Compass magnets can be deflected by Earth's magnetic field or other permanent magnets
C. Compass detect fluctuations in convection in the mantle
D. Compasses always point toward geographic north
Science A P E X
Answer:
B
Explanation:
D is wrong as the compass point toward the geographic south
A is wrong as it can be detected either by permanent magnet or magnetic field of earth
C is not from properties of compass
What is the pH of a neutral solution?
A. 4
B. 3
C. 7
D. 14
Answer:
It would be C. 7
Explanation:
These ion concentrations are equal in pure water, which has a pH of 7. This pH value of 7 is important because it indicates a neutral solution. All other substances are compared to this neutral point. Any solution that has a pH of less than 7 is considered acidic, and anything above a pH of 7 is basic.\
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HELP!! DUE IN 30 min! What causes a new trait to appear in an organism? 1.) all of an organisms DNA changes due to exposure to an event (this is a genetic mutation). 2.) a genetic mutation occurs in the sperm or egg cell of an organism and that mutation is passed to the offspring. 3.) an organism realizes that it needs to change and adapt to to its environment otherwise it will not survive. 4.) an organism learns from other species on ways that it can better survive in its environment.
Answer:
2
Explanation:
im pretty sure its 2
Answer:
2
Explanation:
Please help ASAP
In what phase of mitosis does
the nuclear membrane reform
around the nucleus?
A. prophase
B. anaphase
C. telophase
Answer:
your answer is c
Explanation:
telophase
Mitosis ends with telophase, or the stage at which the chromosomes reach the poles. The nuclear membrane then reforms, and the chromosomes begin to decondense into their interphase conformations. Telophase is followed by cytokinesis, or the division of the cytoplasm into two daughter cells.
hope this help
Answer:
Telophase since that's the stage when the splitted chromosomes are being enclosed to form the dna inside of nucleus, which requires the nucleus membrane to form.
prophase is when nuclear membrane breaks to get the chromosomes ready for metaphase.
anaphase is when chromosomes are pulled apart.
!!!!!!!WILL MARK BRAINLIEST!!!!!!!!!A sudden increase in activity level can cause stress fractures.
OA True
OB. False
Answer:
Its True
Explanation:
This is called bone stress. This can develop into a stress fracture if the level of load bearing/activity is not reduced. Stress fractures commonly occur when there is a sudden change in physical activity or increase in training without enough rest time for the bone to adapt and remodel.
1. Explain how immunizations work to protect the body against pathogens and antigens. Refer to B-cells and T-cells in your answer. Discuss how and why science would need to find a way to discourage thymus atrophy if human life is ever to expand beyond around 120 years.
2. Describe the sources of antibodies in humans from pre-birth to old age, including how our bodies change over time as we age.
3. You suspect a patient is suffering from a systemic inflammatory response. What two things could you check relatively easily to detect signs of such a response, and which one of those two symptoms may on its own require emergency intervention?
4. A running joke among viewers of the medical drama House was that “it’s never lupus,” even though it frequently came up as a possible diagnosis to the patient-of-the-week’s symptoms. Why is lupus sometimes a difficult disease to diagnose but would often come up as doctors discuss a patient’s symptoms? What is the treatment regimen for Lupus?
5. Compare and contrast passive and active immunity, covering at least four functions, components, or mechanisms related to immune response. Include at least one way in which they are similar and one way in which they are different.
!!!WILL MAKE BRAINLIEST AND GIVE OUT ALL MY POINTS TO WHOEVER ANSWERS THESE QUESTIONS CORRECTLY!!! PLEASE HELP ME
In this exercise we have to use the knowledge of immunization, in this way we will be able to answer the questions on this topic. So we find that:
1)The invulnerable system, that happen integrated into all concerning living organisms arrangement, protects the body against contamination and different external and within insults by make use of three distinct tier, contingent upon the nature of the danger.
2)Neonates happen physiologically immunodeficient, signification both their native and adjusting immunological reaction are considerably hold in check. In fact, many of the infections gained without special exertion by neonates exist bring about by low-resentment living thing like staphylococcus and pseudomonas.
3)Clinically, the Systemic Inflammatory Response Syndrome (SIRS) exist label by two or more sign of illness or problem containing state of high temperature or agitation.
4) If human growth search out at any time extend beyond 120 old age, methodical study of part of material world give need to guide physically to discourage organ meat disintegration.
5)Active exemption occurs when our own invulnerable method is responsible for guard from harm us from a bacterium. Passive exemption occurs when we exist protected from a bacterium by exemption gained from other person.
In this way we can answer immunization questions such as:
1)The invulnerable system, that happen integrated into all concerning living organisms arrangement, protects the body against contamination and different external and within insults by make use of three distinct tier, contingent upon the nature of the danger: concerning the body and biochemical hurdle, abundant different invulnerable container, and antibodies.
2)Neonates happen physiologically immunodeficient, signification both their native and adjusting immunological reaction are considerably hold in check. Once innate, a child’s immune scheme responds genially to protein antigens and less so to glycoproteins and polysaccharides.
3) Clinically, the Systemic Inflammatory Response Syndrome (SIRS) exist label by two or more sign of illness or problem containing state of high temperature or agitation or hypothermia, heart attack, tachypnoea and change fashionable red body fluid leucocyte count.
4)One habit the physique protects against pathogens and antigens is through humoral exemption. White blood cells produce antibodies that flow through the material’s red body fluid and lymph, also known as the bulk’s humors.
They follow and devastate the pathogens fashionable the humoral systems. T-smallest living organism enhance supply instructions to label a different type of bacterium or irritant. If the invulnerable system doesn’t test T-smallest living organism to be in a dispute or fight a bacterium or antigen, it will initiate something B-small room. These small room identify the pathogen and demolish it through the creating of goods of an antitoxin. They not only produce one type of microscopic organism, but they bear the skill to produce antibodies that exist required to devastate particular ailment.They use up their data banks try to find the often causing illness that will fit accompanying the trespasser, and if one doesn’t be living, they will produce individual over time.If human growth search out at any time extend beyond 120 old age, methodical study of part of material world give need to guide physically to discourage organ meat disintegration.
5)Active exemption occurs when our own invulnerable method is responsible for guard from harm us from a bacterium. Passive exemption occurs when we exist protected from a bacterium by exemption gained from other person.
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Ples help!!! What is the relationship between heat waves and drought?
A group of botanists would like to study the effects of fertilizer on plant growth. The botanists have two bushes of roses. Both groups of bushes are given the same amount of water, sunlight, and nutrients. Then the botanist gave one of the rose bushes fertilizer. The other group of roses are given no fertilizer. What is considered the experimental group?
Answer:
the experimental group is the bushes of roses that got the fertilizer
Explanation:
They are the group that has a new variable added to the equation with the amount of water, sunlight, and nutrients.
Hope this helps!!! :)
The experimental group is the bushes of roses that got the fertilizer.
What are experimental groups?
In a scientific experiment, the group on which the experimental process is carried out is referred to as the experimental group. For each group, the independent variable is altered, and the result, or change, in the dependent variable is noted.
The control group, in contrast, is the one that does not get the therapy or in which the independent variable is maintained constant. To have enough data to properly ensure that the relationship between the independent and dependent variable is not the result of chance, experimental and control groups must be present.
You can only be reasonably confident in the results of an experiment if you use one subject (with and without treatment) or one experimental subject and one control subject.
Therefore, The experimental group is the bushes of roses that got the fertilizer.
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Petroleum is a natural resource that is found below the surface of the Earth. Petroleum is unevenly distributed on Earth, but it is most often found in petroleum traps, which are underground rock formations that block the movement of petroleum.
Which of the following best describes what must have happened in the past in an area with a large petroleum trap?
A.
Permeable underground rock formations must have allowed the movement of organic matter deep into the Earth. Then, the organic matter must have been exposed to freezing temperatures until it formed petroleum.
B.
Impermeable underground rock formations must have blocked the movement of organic matter through the Earth's surface. Then, the organic matter must have decomposed to form petroleum inside the rock formations.
C.
Organic matter must have been exposed to intensely cold temperatures until it became petroleum. Then, the petroleum must have moved up to the Earth's surface through permeable underground rock formations.
D.
Organic matter must have been buried and placed under intense heat and pressure until it became petroleum. Then, the petroleum must have collected inside an impermeable underground rock formation.
Answer:
The answer is D.
Explanation:
Remember heat and pressure.
The statement that best describes an action that has happened in the past in an area with a large petroleum trap is as follows:
Organic matter must have been buried and placed under intense heat and pressure until it became petroleum. Then, the petroleum must have collected inside an impermeable underground rock formation.Thus, the correct option for this question is D.
What is the Petroleum trap?The petroleum trap may be defined as a methodology that deals with the subterranean rock formation that considerably restricts the migration of petroleum and its components and causes it to accumulate in a reservoir that can be exploited.
Petroleum, crude oil, etc. are formed from the organic matter that has been buried millions of years ago. These organic matter are placed under intense heat and pressure in order to form components like petroleum. These formed components are then collected inside an impermeable underground rock formation.
Therefore, the correct option for this question is D.
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3.)Why do the coal beds form a pattern only on the map of Pangea?
when a person has heartburn acidic juices enter the esophagus and cause a burning sensation. where do these acidic juices come from?
Answer:
Stomach
Explanation:
The acids are gastric acids.
Hope this helps! :)
10. What is another name for the large intestine?
liver
gall bladder
nucleus
colon
Answer:
The answer is colon
Explanation:
Seeds and trees in the winter are examples of __________.
Seeds and trees in winter are examples of Boronia Seeds
Seeds and trees in the winter are examples of dormancy.
Using the sorting results from Part C, complete the modified Punnett square below.First, fill in the frequently of each gamete produced by the F1 by dragging one green label to each green target at the TOP and LEFT of the Punnett square.Then, fill in the frequency of each F2 genotype by dragging one blue label to each blue target inside the Punnett square.Finally, fill in the number of additive alleles in each F2 genotype by dragging one pink label to each pink target.
Answer:
a) 1/16, b) 4/16, c) 1/16, d) 1/16, e) 4/16, f) 4/16, g) 0 + alleles, h) 1/256, i) 1 + alleles, j) 4/256, k) 2 + alleles, l) 16/256, m) 3 + alleles, n) 24/256, o) 4 + alleles), p) 36/256, q) 5 + alleles, r) 24/256, s) 6 + alleles, t) 16/256, u) 7 + alleles, v) 4/256, w) 8 + alleles, x) 1/256.
You will find the uncompleted Punnett square (missing in the problem statement) and the complete modified Punnett square in the attached files
Explanation:
Due to technical problems, you will find the complete explanation in the attached files
Behavioral responses in organisms require communication between
A.
an organism's cells and systems.
B.
an organism's cells and bacteria.
C.
an organism and its environment.
D
one organism and another.
Reset
Submit
Answer:
Behavioral responses in organisms require communication between an organism and its environment (option C).
Explanation:
The behavior of an organism depends on the function of relationship with the environment that surrounds it, and the way to respond to the diverse stimuli that are in this environment.
Behavioral responses always occur as a result of the interaction between the physical environment and other living organisms. This interaction triggers a series of stimuli that are perceived by the senses and processed by each organism, developing an appropriate response to each of them.
Answer:
A.an organism's cells and systems.
Explanation:
Got it on a study island
Hope this helps anyone :D
Which of the following describes soil and temperature in an ecosystem? *
biotic factors
unnecessary factors
abiotic factors
selection factors
Answer:
abiotic factors.
Explanation:
they are not living things
Which is a negative effect of hydroelectric power?
thermal pollution
blocking fish migrations
emitting harmful chemicals into the atmosphere
discharging harmful chemicals into watersheds
Answer:
I would say blocking fish because hydroelectric is the cleanest energy source
Explanation:
What might happened if we continue burning fossil fuels at the rate we do today ?
Choose the best answer
A. The cost of fossil fuels may drop
B. Fewer and fewer oil wells and coal mines may be constructed
C. The earth’s climate may change rapidly
D. Automobiles will become less fuel-efficient
Answer:
A
Explanation:
because when we use more fossil fuel new oil well will be discovered and due to this the fuel value will became drop down.
We will continue to see rising global temperatures and climate change if the world does not reduce the levels of carbon dioxide emitted by burning fossil fuels. Thus, option A is correct.
What are the consequences of burning fossil fuels?Carbon emissions will stay high as long as the world depends on fossil fuels for both energy production and transportation.
It is obvious that reversing man-made climate change is generally better as stopping it when its impacts become more severe.
Even while warming would undoubtedly slow if we stopped using fossil fuels right away, greenhouse gas removal from the atmosphere will eventually be necessary.
Therefore, because as we utilize more fossil fuels, new oil wells will be found, which will lower the price of fuel.
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What was the name of the cyclone that hit Chandipur in 2009?
Answer:
The name of cyclone that hit chandipur in 2009 was tropical cyclone.
How many times can each bit of blood be pumped around the body each day?
Answer:
five litres (eight pints)
How are animals warning other animals they are dangerous?
Answer:
They leave their mark.
Explanation:
A wolf howls, and dogs pee to make it theirs.
Identify the type of algae growing on Prospect Park Lake.
Golden Algae
Kelp Algae
Blue-green Algae
(This is 7th grade science)
Answer:
Uh i dont know for sure but i think Blue green Algae
Explanation:
Which of the following is not a behavior adaption?
A. Birds migrating
B. Newborn cat meaws
C. Teaching a dog to "sit" om command
D. A baby crying
Answer:
a baby crying
Explanation:
a baby crying
Tumors can be one of the symptoms of cancer. Cancer occurs when there is a
malfunction with the cell's ability to enter--
A. Photosynthesis
B. Mitosis
C. Respiration
D. G ( with a little zero on the bottom )
Answer:
B
Explanation:
Cancer is essentially a disease of mitosis - the normal 'checkpoints' regulating mitosis are ignored or overridden by the cancer cell.
Help please I will give Brainliest
I'm giving Brainilest if you answer this and some points and 5 stars and a Thanks: Describe the positions of high and low pressure and the temperature of the land and water to explain how land breezes form.
Answer:
A high pressure system works downwards and brings with it good weather, while a low pressure system works upwards and brings bad weather. Due to the Earth’s rotation and friction on its surface, air currents are formed. When these currents move clockwise and out of the center, a space is formed at the center. The land quickly loses its heat whiles the water retains its warmth. That means the air over the water is warmer, less dense, and begins to rise. Low pressure is created over the water. Cold and dense air over the land begins to move to the water surface to replace the warmer rising air. The cool breeze from the land is called a land breeze.
Explanation:
A dinosaur has 40 chromosome pairs. What is its diploid number of chromosomes?
80
40
20
0
what are plant leaves preserved as
Plant parts are flattened and at least some of the original plant material remains. Leaves are often preserved as compressions.
Answer:
rrtrrrfddddddddfffffffddddd
Explanation:
Recently, a human trachea ( a respiratory organ) was produced by using a patient's own stem cells. The benefit of using the patients own cells to produce a trachea instead of receiving one from a donor is that (1) there will be more enzymes produced to help maintain homeostasis in the trachea (2) there will be an increase in the quantity of antibodies that the patient produces in (3) there is less of a chance that the patients immune system will attack the trachea (4) response to the new trachea
Answer:
3
Explanation:
The benefit of using the patients own cells to produce a trachea instead of receiving one from a donor is that there is less of a chance that the patients immune system will attack the trachea. The correct option is 3.
What are stem cells?Stem cells are the building blocks from which all other cells with specific roles are derived in the body. Daughter cells are created when stem cells divide properly in the body or a lab to create more cells.
Embryos and adult bodily tissues are the two main sources of stem cells. Researchers are also experimenting with genetic "reprogramming" methods to create stem cells from different types of cells.
Instead of receiving a trachea from a donor, using the patient's own cells to create one has the advantage of decreasing the likelihood that the patient's immune system will attack the trachea.
Thus, the correct option is 3.
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Write a testable hypothesis related to sunblock
