Cells that lack checkpoints and fail to respond to cell cycle controls are defective, and may be cancerous.
What is cell?"A cell is the structural and functional unit of life."Each cell divide to produce new daughter cell.What do you mean by cell cycle?"A cell cycle is a series of events that takes place in a cell as it grows and divides."Cell cycle consists 5 stages: G1 (cell grow in volume), S (synthesis of DNA), G2 (further cell growth), mitosis and cytokinesis (division of cell).What is a checkpoints?"It is a surveillance mechanisms that monitor the order, integrity, and fidelity of the major events of the cell cycle."It decides whether a cell can proceed further in a cycle.If a cell lack checkpoints then it will not get monitored and it gets divided further even it was not suppose to and forms a large mass of cell (cancerous).
Hence, the correct answer is C. Defective, and may be cancerous.
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What kind of energy does food provide for living things?
Answer:
The form of energy that living things need for these processes is chemical energy, and it comes from food. Food consists of organic molecules that store energy in their chemical bonds.
long term patterns of trends of meteorological conditions
Answer:
I don't know
Explanation:
I'm don't know this question answer for this
Answer:
Climate refers to long-term patterns or trends of meteorological conditions.
11. Experiment: Click Advance year to year 20. What changes occurred?
Gizmo coral reef 2
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What is an alternative to living in an urban area?
Explanation:
Among the many alternatives to urban sprawl, nearly all can be placed under the umbrella of “smart growth” or “New Urbanism.” Smart growth is a management strategy designed to direct the growth of urban areas, whereas New Urbanism focuses on the physical design of communities to create livable and walkable ...
The wing of a bat and the arm of a human have similar bone structures but are used for different functions; these are called
Answer:
Homologous structures
Explanation:
Homologous structures refers to structural elements or organs in animals that are similar together or have similar features and indicate their connection to the same ancestry origins but the structures serve different functions in the animals. An example is what was listed above.
Explain Mendelian inheritance. Include the terms 'dominant' and 'recessive' in your explanation.
Answer:
Please find the explanation below
Explanation:
Gregor Mendel (1822 - 1884) who is referred to as the FATHER OF GENETICS was an Austrian monk that contributed immensely to the principle of inheritance. He worked and conducted several experiments with the pea plant (Pisium sativum).
Mendel inheritance explains how traits are passed down from parents to offsprings. Mendel proposed three laws that governs inheritance namely: law of dominance, law of segregation and law of independent assortment of genes. The law of dominance states that one allele of a gene will always mask the phenotypic expression of another allele of the same gene in a heterozygous state.
The masking allele is called DOMINANT ALLELE while the allele being masked is called RECESSIVE ALLELE.
The pelvis bone functions as an attachment point for legs. So, the pelvis bone found in dolphins is organ. Information about this organ tells us that
Answer:
Explanation:
Answer 1 will be vestigial and answer 2 will be dolphins evolved from organisms with legs. Vestigial organs are those which are not in use but were once used by our ancestors for example an appendix
Answer:
vestigial and dolphins evolved from organisms with legs
Explanation:
.
Enzymes secreted by the lining of the stomach to aid digestion are specially designed to function under what conditions?
Low pH
High pH
High pressure
Low temperature
Answer:
low pH
Explanation:
because the acid is expected to kill the bacteria that are swallowed with food
When ponds freeze, they freeze at the surface first before freezing at the bottom.
Which property of water explains why this might happen?
Choose 1 answer
A
High specific heat
B
Density
C
Adhesion
D
High boiling point
Answer:
the answer would be b. density
Explanation:
The density of ice is less than that of liquid water. ... Thus, the ice layer at lower temperature floats over the water below it. Due to this, the freezing of water into ice occurs continuously from the top towards the bottom.
When ponds freeze, they freeze at the surface first before freezing at the bottom. This explains the phenomenon of density variation. Thus, the correct option is B.
What is the density of water?The density of water may be defined as the weight of the water per unit volume, which relies on the temperature of the water.
The density of ice is found to be lower than that of liquid water. This is the reason why ice floats on the surface of the water rather than submerged into it.
The same principle is applied to the freezing of ponds. The surface of the pond freezes more quickly as compared to the bottom due to density fluctuation between ice and water.
Therefore, the correct option is B.
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*
What is the ultimate goal of cell respiration?
A)To make oxygen
B)To make glucose
C)To make ATP
Answer:
To make ATP
Explanation:
It is the main because it occurs in both aerobic ( presence of oxygen ) and anaerobic respiration ( absence of oxygen ).
Explain how concern for profits shapes business decisions.
Answer:
Businesses/companies will often compromise the quality of a product or service in order to make a profit. If a company uses cheap supplies to make a product, they will make more profit from it.
Here is an example:
Imagine you are making soap-making company. You use all organic ingredients which are very expensive. Let's say it takes $6 for you to make one bar of soap. If you sell your bars for $10, then you will make a $4 profit from each bar sold.
Now let's say another company starts making soap. It looks and feels almost exactly like yours. HOWEVER, this company uses artificial ingredients. It takes them only $3 to make a bar of soap, and they sell their soap on "sale" for $9. Not only will they likely sell more soap than you because their soap is cheaper, but they will make a $6 profit from each bar sold-- two more dollars per bar than you.
The same can be true the other way around of course. If a business realizes that nobody is buying their product because it is so poorly made, then they will improve the quality of their product in order to increase their sales.
In which process does crossing over occur?
A. Mitosis
B. Meiosis
Answer:
B. Meiosis
Explanation:
Crossing over occurs in meiosis.
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Explanation:
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In the process of DNA replication, bonds are broken between:
A. sugars
B. sugars, bases
C. phosphate, bases
D. bases
In the process of DNA replication, bonds are broken between D. bases
DNA ReplicationDNA is replicated by uncoiling of the helix, strand separation. It is possible by breaking the hydrogen bonds between the complementary strands. It forms two new strands by complementary base pairing.
Both strands are joined by hydrogen bonds between nitrogenous base
nitrogenous bases could be: A-T or G=C
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Answer:
D. Bases
Explanation:
Which homeostatic process is characterized by the diffusion of only water molecules?
active transport
osmosis
passive transport
dynamic equilibrium
Answer:
Osmosis
Explanation:
Osmosis is the movement of water particles from a region of high concentration (where there is more of it) to a region of low concentration ( where there is less of it).
Answer: b) osmosis
Explanation:
took test
1.Which of the following natural events would most likely have the longest impact on the affected ecosystem?
Answer;
Earthquakes, landslides, volcanic eruptions and natural bush fires all affect the many different ecosystems on our planet. Initially, these disasters negatively affect the biodiversity of wetlands, forests and coastal systems by causing the spread of invasive species, mass species mortality and loss of habitat. In the short term, select ecosystem degradation reduces the ability of forests to sequester carbon, which exacerbates climate change. Over time though, many types of natural disasters play an integral role in rejuvenating the very ecosystem that they once destroyed.
TSUNAMI
Once referred to as tidal waves, a tsunami represents an extremely high wave of water that moves from out at sea towards land. Because of the enormous volume of water and energy that travels inland, extended areas along the coast are immediately devastated as these natural disasters strike the coastal ecosystems. Underwater landslides, earthquakes and volcanic eruptions can all cause tsunamis, by displacing gigantic waves that are sustained by gravity as they travel towards land at over 800 kilometers per hour. Tsunamis are also caused as the ocean floor suddenly deforms due to tectonic earthquake activity and vertically displaces the immense volume of water lying above it. While out at sea, tsunamis have a small wave height, but extended wavelength of up to 200 kilometers. The height of these waves rises dramatically, though, as the tsunami reaches land and the resulting damage to coastal ecosystems can be cataclysmic. As coral reefs, mangrove forests and wetlands are all dependant upon each for nutrient supplies, the destruction of one will ultimately affect the overall coastal ecosystem. The destruction of coral reef fish populations leads to the elimination of other species that depended on them as a food source, while on land, the soil that was exposed to salt sedimentation, becomes infertile, resulting in the loss of biodiversity in the form of coastal forests and the animal life that they supported.
VOLCANIC ERUPTION
The eruption of volcanoes and subsequent lava flow has an immediate negative effect on surrounding ecosystems, but through the process of primary succession, the forest habitat begins the process of re-colonization almost immediately. Many plants in the form of seeds and spores and animal species, particularly insect life such as crickets and spiders, arrive from adjacent areas to take up residence. These life forms are specifically adapted to survive in the severe conditions following a larva flow and spearhead the succession process. The progeny of these pioneer species changes the original sterile conditions to the point where a new and normally more diverse forest ecosystem has developed within a 150 year period.
Volcanoes would most likely have the longest impact on the affected ecosystem.
What are volcanoes?An opening in the crust of a planet or moon known as a volcano allows molten rock, heated gases, and other things to erupt. As layers of rock and ash accumulate from numerous eruptions, volcanoes frequently take the form of a hill or mountain. There are three types of volcanoes: active, dormant, and extinct.
Here, volcanoes can form when an oceanic plate sinks beneath another oceanic plate or when an oceanic plate sinks beneath a continental plate. Subduction is the process that causes different kinds of volcanoes based on the environment: An island-arc volcano is produced by ocean-ocean subduction.
Hence, volcanoes would most likely have the longest impact on the affected ecosystem.
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The end result of technology is best described as:
O A. the result of a type of scientific experiment.
O B. the growth of new political ideas through science.
O C. controversial new ideas questioned by society.
O D. products or processes that help solve problems.
Answer:
D. products or processes that help solve problems.
Explanation:
5. How can wind power help the environment as opposed to coal and natural gas?
Wind is an emissions-free source of energy
Overall, using wind to produce energy has fewer effects on the environment than many other energy sources. ... Wind turbines may also reduce the amount of electricity generation from fossil fuels, which results in lower total air pollution and carbon dioxide emissions.
which of the following is NOT a problem associated with fossil fuels? a) habitat destruction from mining. b) meltdown. c) oil spills. d) release of heavy metals.
Answer:
oil spills
Explanation:
need help writing my report never done this before
Answer:
Read below
Explanation:
So basically you will need to
Cherries, peaches, apricots, and plums are examples of drupes. Explain why.
Answer:
simple fleshy fruit that usually contains a single seed, such as the cherry, peach, and olive. As a simple fruit, a drupe is derived from a single ovary of an individual flower.
Explanation:
quarrying chemical or mechanical weathering
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Answer:
Explanation:
Archaea and bacteria are both prokaryotes, meaning they do not have a nucleus and lack membrane-bound organelles. ... Both archaea and bacteria have flagella, thread-like structures that allow organisms to move by propelling them through their environment. They both lack membrane-bounded organelles and nucleus. Archaea and bacteria lack multicellularity, and the chromosome is single and circular.
What are the 2 jobs of DNA polymerase?
Answer:
Forms new strands of DNA and forms bonds between nucleotides it also has proofreading abilities
As food waste and other compostable items decompose in landfills, methane
is released into the air. If this type of landfill waste increases, the amount of
methane in the atmosphere will increase. What would happen to the total
amount of energy in the Earth system and the global average temperature if
methane in the atmosphere increases? If there is a change, explain how that
change would happen.
Please help meh TwT
Answer:
If the amount of methane increases in the atmosphere, it leads more energy in the Earth and more energy will be taken by the surface of the planet.
Explanation:
Methane is pretty much like carbon dioxide and it does stop some energy from leaving the system but causes it to make the climate way more hotter than it should be. With lots of methane in the world, it can result into changes like mood swings and nausea in humans.
According to the condition if landfill waste increases, the amount of
Methane in the atmosphere will increase then it will lead to more energy to the Earth and more energy will be taken by the surface of the planet.
How does composting release methane? The aerobic process of composting does not have methane because methane-producing microbes are inactive in the existence of oxygen.
Composting is one way to decrease methane emissions from organic waste nowadays stockpiled or sent to landfills.
Thus, it will lead to more energy to the Earth and more energy will be taken by the surface of the planet.
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Most domesticated species have greater genetic diversity than wild plants and animals. True or False?
Answer:
false
Explanation:
Wild species have greater genetic diversity than their domestic relatives and are important for genetic improvement of crops
A__________
is a count of the population in particular areas.
A. bed check
B. poll
C. headcount
D. census
Pls help
Answer:
A census is a count of the population in particular areas.
Explanation:
Help what’s answer…………………………
Answer:
is there an option for AAG
Explanation:
which is silent mutation in this case
Plz and thanks help me
Answer:
Hi, there your answer is A because it correctly looks like it is replicate to DNA
Explanation:
What term describes the light-absorbing molecule that plants use to absorb energy?
A Grana
B Pigments
C Stroma
D thylakoids
Pigments, are the light-absorbing molecule that plants use to absorb energy, chlorophyll is the light absorbing pigment, hence option B is correct.
What is chlorophyll?Plants get their green color from a pigment called chlorophyll, which also aids in photosynthesis, which is how plants make their own food.
In a plant, chlorophyll's function is to absorb light, often sunlight. Two types of energy storing molecules receive the light energy that is absorbed.
The plant uses its stored energy to turn water and carbon dioxide from the air into glucose, a form of sugar, through photosynthesis.
Therefore, chlorophyll is a pigment, considered as a light absorbing molecule that plants use to absorb energy, hence option B is correct.
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