interphase, prophase, metaphase, anaphase and telophase
Final answer:
The cell cycle includes five main stages: Interphase (including G₁, S, and G₂ phases), Prophase, Prometaphase, Metaphase, Anaphase, followed by Telophase and Cytokinesis. These stages ensure accurate DNA replication and division, and are tightly regulated to prevent errors such as those leading to cancer.
Explanation:
The cell cycle is a series of events that cells go through as they grow and divide. A eukaryotic cell cycle consists of the following five stages in order:
Interphase: Comprised of three phases: G₁, S, and G₂, where the cell grows and DNA is replicated.Prophase: Chromosomes condense, and the spindle apparatus begins to form.Prometaphase: The nuclear envelope breaks down, and spindle fibers attach to chromosomes.Metaphase: Chromosomes line up at the metaphase plate.Anaphase: Chromosomes are pulled apart to opposite poles of the cell.After these stages, Telophase follows with the decondensation of chromosomes and reformation of the nuclear envelope, and then the cell division completes with Cytokinesis, where the cell actually divides into two separate cells.These stages ensure that the cell's DNA is accurately replicated and divided between two daughter cells. Close regulation, through checkpoints, is crucial for the proper functioning of the cell cycle, and its dysregulation can lead to uncontrolled cell division, such as cancer.
Which of the following is not an activity promoted through environmental activism? a. conservation b. corrective justice c. pollution prevention d. waste regulation Please select the best answer from the choices provided A B C D
Letter B, corrective justice
the adoption of corrective measures of justice is a prerogative of the state, that is, of the public power instituted and not of activists.
Answer: b. corrective justice
Explanation:
Corrective justice is not an activity promoted through environmental activism.
Corrective justice refers to a theory of justice which has its roots in Aristotle. It centers on the connection between law and morality. It involves the amendment or correction of an injustice inflicted by one person on another person. It makes available rectification of unjust committed by an individual that cause harm to another.
1.one variety of strawberry is resistant to a damaging fungus but produces small fruit. Another strawberry variety produces large fruit but is not resistant to the same fungus the two desirable qualities may be combined in a new variety of strawberry plant by) A. cloning B asexual reproduction C direct harvesting D selective breeding) 2. in the past humans developed varieties of dogs such as the German Shepherd and the bearded collie using) A selective breeding for particular traits B recombination of genes during mitosis C mutations present only in body cells D natural selection of favorable traits) 3. A common practice used by breeders to maintain a desired trait in dogs is A artificial selection B regeneration C vegetative propagation D sporulation
The answers are: D natural selection of favorable traits and C.mutations present only in body cells
Hope this helped!
The two desirable qualities may be combined in a new variety of strawberry plant by cloning. In the past humans developed varieties of dogs such as the German Shepherd and the bearded collie using selective breeding for particular traits, and A common practice used by breeders to maintain a desired trait in dogs is artificial selection. The correct option for question 1 is A, 2 is A, and question 3 is A.
What is artificial breeding?Artificial selection, also renowned as selective breeding, and is basically the practice of sorting for desirable characteristics in agricultural products or even animals instead of allowing the species to change and evolve naturally, as in natural selection.
Darwin took into account two sorts of artificial selection in natural selection in The Variation of Animals and Plants Under Domestication namely methodical selection and unconscious selection.
Cloning allows the two quality attributes to be mixed in a fresh batch of strawberry plants.
In the previous era it is the humans developed dog breeds including the German Shepherd and the bearded collie by selective breeding for specific traits.
Artificial selection is a standard procedure used by breeders to establish a desired trait in dogs.
Thus, the correct option for question 1 is A, 2 is A, and question 3 is A.
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Identify 3 reasons organisms need energy..
Organisms need energy to survive, as cells can't survive on their own without it. They need energy for growth, reproduction, movement, and repair. Hope this helps!
10 POINTS! science plz help me!
An increase in genetic variation
How do invasive species spread? Identify three methods. (Site 1)
Answer
Hi,
They are spread primarily by human activities.
Three methods that can spread invasive species is ; blowing by wind, splashed by rain and carried by animals.
Explanation
Invasive species are a kind of living organisms that are new to an ecosystem and can result into harm that is diverse .These species grow and reproduce at a quicker rate and spread rapidly with potential of causing more harm. In short distances, these organisms depend on natural dispersal ways to spread to other places. Example of an invasive species is Burmese pythons in the Everglades.
Hope this helps!
One way the body fights invaders is by increasing the body temperature or running a fever. Give a brief explanation as to why that defensive technique works against some viruses or bacteria.
An increase in body temperature has been known since ancient times to be associated with infection and inflammation and elevated body temperature changes the T-cells' membranes which may help mediate the effects of micro-environmental temperature on cell function
Answer:
Some of the species of bacteria do not possess the tendency to work adequately and replicate in the conditions of fever, that is, high temperatures. Thus, the high-temperature condition minimizes the rate of bacterial infections in the body. The majority of the research has also demonstrated that the temporal elevation in the body temperature, at the time of fever, enhances the activity of the cytotoxic T-cells, which plays a substantial role in fighting against the infection.
name the 3 texas river that form borders and the neighboring states that they border
Sabine river. Red river. rio grande
The three rivers that form borders in Texas are the Rio Grande, Red River, and Sabine River, which border Mexico, Oklahoma, and Louisiana, respectively.
The three Texas rivers that form borders and their neighbouring states are:
Rio Grande - This river forms a natural border along the southern edge of Texas, separating it from the Mexican states of Chihuahua, Coahuila, Nuevo León, and Tamaulipas.Red River - It serves as the boundary between Texas and Oklahoma to the north.Sabine River - This river creates the border between Texas and Louisiana to the east.Each of these rivers plays a significant role in the geography of Texas, and they have also been important in historical contexts, such as the Texas annexation and border disputes.
Which branch of earth science most likely involves the study of climate change and its effect on people?
A.) astronomy
B.) geology
C.) meteorology
D.) oceanography
Answer:
C. meteorology
Explanation:
meteorology is the scientific study of the atmosphere that focuses on weather processes forecasting, and climate.
Answer:
meteorology
Explanation:
Using the location and depth of where a fossil is found to estimate age is called (4 points)
A radioactive dating
B the law of superposition
C Index fossils
D the geologic time
The answer is; B
The law states that in an undisturbed layer of crust, the top layers are younger than the deeper layers. This is because as sediments are deposited, such as in the oceans, newer sediments are usually deposited over the older sediments on the bed. This is a basic law of geochronology.
Answer:
The answer would be B - the law os superpositin
Explanation:
Law of superposition states that within a sequence of layers of sedimentary rock, the oldest layer is at the base and that the layers are progressively younger with ascending order in the sequence.
Hope this helped, good luck!
Rebekka notices a huge crack in a large boulder in her garden she realizes the crack was caused by Frost wedging place the steps of the Frost wedging process in order
A. The freeze-thaw cycle continues to deepen the crack until the rock splits into 2 pieces
B. Rain water is stored in rock and seeps into a hairline crack during a rainfall
C. Because ice occupies more space than water, the ice wedges the crack open
D. Rainwater in the rock crack freezes into ice
E. The temperature falls below 0° Celsius
The correct order is:
B. Rain water is stored in rock and seeps into a hairline crack during a rainfall;
E. The temperature falls below 0° Celsius;
D. Rainwater in the rock crack freezes into ice;
C. Because ice occupies more space than water, the ice wedges the crack open:
A. The freeze-thaw cycle continues to deepen the crack until the rock splits into 2 pieces;
The water from the rain gradually manages to weather parts of the rock. As it does, small cracks appear in it. Once there's cracks, the water from the rainfall also starts to store inside the rock. When the colder period of the year comes, and the temperatures fall bellow 0°C, the stored water freezes. The ice starts to spread inside the crack, thus creating pressure inside the rock. As the pressure is becoming bigger and bigger, the rock will eventually crack into two or more pieces.
Answer:
Rain water is stored in rock and seeps into a hairline crack during a rainfall: It is probable that this rock had small fissures, by where the rain water infiltrated and was stored there.
The temperature falls below 0° Celsius: As previously stated, frost only occurs when the temperature of a region falls below 0 °C
Rainwater in the rock crack freezes into ice: At such a low temperature, the water present in the cracks of the stone froze
Because ice occupies more space than water, the ice wedges the crack open: When the water froze, it turned to ice and expanded in size. Ice takes up more space than water, so ice forced the small cracks in the stone to crack.
The freeze-thaw cycle continues to deepen the crack until the rock splits into 2 pieces: The freezing causes the ice to expand more and more and this deepens the cracks in the stone.
Explanation:
Which activity occurs in the process of replication?
The process of DNA duplication is called DNA replication. Replication follows several steps that involve multiple proteins called replication enzymes and RNA. In eukaryotic cells, such as animal cells and plant cells, DNA replication occurs in the S phase of interphase during the cell cycle.
Final answer:
During DNA replication, DNA helicase unwinds the double helix so that DNA polymerase can add complementary nucleotides to each template strand, resulting in two new DNA molecules, each with one original and one new strand.
Explanation:
The process of replication is a crucial aspect of cell division, ensuring that each daughter cell receives an identical copy of DNA. During DNA replication, which occurs in the S phase of the cell cycle, an enzyme called DNA helicase breaks the hydrogen bonds between complementary bases in the DNA molecule. This unwinding of the double helix exposes the bases, allowing them to serve as templates for the formation of new DNA strands. Another enzyme, DNA polymerase, then adds complementary nucleotides to each single-stranded DNA template. This process is semi-conservative, meaning each of the new DNA molecules contains one original and one newly synthesized strand of DNA.
Which are examples of steroids
sorry but where are the examples?
How fast can a turbidite bed form?
a matter of minutes
a matter of seconds
a matter of hours
a matter of years
The answer to this question is:
Turbidite bed can form in a matter of hours.
Turbidite can't form in the matter of minutes.
Turbidite can't form in the matter of seconds.
Turbidite doen't take that long to form.
Turbidite bed takes hours to form.
I hope this helps! :)
Have a wonderful day!
-LizzyIsTheQueen
Answer:
in a matter of hours
Explanation:
how do you ecologists measure the population density
Ecologists measure the population density by using the Quadrat method and the Mark and Recapture method.
Answer:
They use the method of marking and recapture.
Explanation:
The method of marking and recapture is the most common way that ecologists use to measure population density. To carry out this method, scientists must remove some members of the population and mark them in some way, so that they can be identified later. After correctly marking them, the members return to their original population, where they will mix with the other members of the population for a period of time determined by the ecologist. The important thing is that this time is enough for the marked members to mix with the rest of the population. While waiting for that time to pass, ecologists continue to capture and mark other members of the population until the recapture of the first marked members takes place. In this way, the size of the population will be estimated through the proportion of catches.
Which is an accurate description of the processes used to turn the DNA code of a gene into a protein?
Answer:
Transfer RNA delivers specific amino acids to the ribosome, matching messenger RNA codons.
What is the name for the resources and money attributed to a specific region?
A. Government
B. Law
C. Economy
D. Norm
Apex Environmental Science
The answer C.) Economy (or also reffered to as money)
What is the name for the resources and money attributed to a specific region?
The answer is option C. Economy
Economy is defined as a country's system of money making and its uses. It describes the wealth and resources of any country or a region. This process also shows ways of money making and its usage and means of production in any country.
check the box next to the process or processes used by organism listed oak tree
Answer:
Oak trees performs cellular respiration and photosynthesis so both boxes should be checked
Explanation:
"Plants" (seaweeds are not strictly plants) all can perform photosynthesis, in which they use chlorophyll to convert solar elergy into chemical energy (glucose). But they can also carry out respiration which is the opposite process. In respiration glucose is broken down and its stored energy is released and used as fuel for the organism's processes.
Conversely, animals such as the housefly, the rabbit and the crab in the lower part of the image, can only perform respiration.
Answer:
You’re welcome
Explanation:
How is diversity related to changes in the ecosystem?
Diversity within an ecosystem allows for variation in the species and environment interact with each other.
Diversity within an ecosystem allows for variation in the species and environment interact with each other.
Fossil evidence suggests that whales evolved from land mammals. Using comparative DNA techniques, scientists have also suggested that whales are related to hippos. How could comparing amino acid sequences support the theory of evolution?
B i hope it help you
The amino acid sequencing sometimes reveals the ancestral evolution of the organisms.
What is meant by amino acid sequencing?Adaptive evolution at the molecular level can be studied by detecting convergent and parallel evolution at the amino acid sequence level. For a set of homologous protein sequences, the ancestral amino acids at all interior nodes of the phylogenetic tree of the proteins can be statistically inferred.
Inconsistent results on the association between evolutionary rates and amino acid composition of proteins have been reported in eukaryotes. However, there are few studies of how amino acid composition can influence evolutionary rates in bacteria. Thus, we constructed linear regression models between composition frequencies of amino acids and evolutionary rates for bacteria.
Compositions of all amino acids can on average explain 21.5% of the variation in evolutionary rates among 273 investigated organisms.
Thus, the amino acid sequences support the evolutionary patterns .
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the earth surface is kept warm mostly by _______.A.hot lava B. the sun C. the moon D. many distant stars
B. The sun. It is the closest star to Earth. The moon does not heat up the Earth like at all. The distant stars are too far away to have an effect. The hot lava is in the Earth so it doesn't affect the surface.
give an overview of 1-2 treatments for paralysis
>Physical therapy uses treatments such as heat, massage, and exercise to stimulate nerves and muscles.
>Occupational therapy concentrates on ways to perform activities of daily living.
>Mobility aids include manual and electric wheelchairs and scooters.
>Supportive devices include braces, canes, and walkers.
>Assistive technology such as voice-activated computers, lighting systems, and telephones.
>Adaptive equipment such as special eating utensils and controls for driving a car.
https://my.clevelandclinic.org/health/diseases/15345-paralysis/management-and-treatment
Which resources are needed for life on Earth? Check all that apply. water rocks air trees sunlight
The correct answers are:
- water;
The water is the essential substance used for the functioning of the living organisms. It is included in the process of photosynthesis, as well as for the bodily functions.
- rocks;
They are the mineral base, thus they provide food source. Also, the rocks are the mother material for the creation of the soils.
- air;
The air has to be just right in order for the organisms to survive. Its composition has to be consisted of elements that are useful for the living organisms.
- sunlight;
The sunlight provides heat, thus it enables the formation of suitable environments, as without it, the Earth would be very old and frozen. It is also crucial for the process of photosynthesis.
Answer:
water, air, sunlight
Explanation:
I just took it
Describe what scientists can learn about the past by studying fossils.
Please don't say something random to get the points. It's not fair to others. :[
they could possibly learn the climate the animal was from or even relative dating & absolute age
Which of the following statements about weather are accurate? select all that apply
E, D, B
Wind direction is given in terms of where its going and it's never possible to be 100% accurate with weather predictions :)
The accurate statements about weather are:
a. wind direction is given in terms of the direction it blows from.
d. humidity measures the amount of water vapor in the atmosphere.
e. Weather can be described by air temperature, air pressure, wind velocity, and rainfall.
Let's examine each of the statements about weather:
a. Wind direction is given in terms of the direction the wind is blowing from: This statement is accurate. For example, a north wind blows from the north.
b. Weather is a description of the average temperature and precipitation range of a region over time: This statement is inaccurate. That description actually defines climate, not weather. Weather refers to the short-term atmospheric conditions in a specific place at a specific time.
c. With the right tools, weather can be predicted with 100% accuracy five days ahead of time: This statement is inaccurate. Weather prediction is complex and subject to many variables, hence it cannot be predicted with absolute certainty, especially long-term predictions.
d. Humidity is a measure of the amount of water molecules in the atmosphere: This statement is mostly accurate but could be more precisely stated as the amount of water vapor in the air.
e. Weather can be described in terms of characteristics such as air temperature, air pressure, wind velocity, and rainfall: This statement is accurate. These elements are fundamental components used to describe the weather at a given time and place.
Based on the above analysis, the accurate statements are:
a. Wind direction is given in terms of the direction the wind is blowing from.d. Humidity is a measure of the amount of water molecules in the atmosphere.e. Weather can be described in terms of characteristics such as air temperature, air pressure, wind velocity, and rainfall.Identify the cell organelles found only in plant cells and those found in both animal and plant cells
Both= Nucleus,cell membrane,Golgi apparatus, ribosomes are found in Both plant and animal cell
Plant cell = have a cell wall, a large central vacuole, and plastids such as chloroplasts
hope this helps :)
How does the way matter cycles through an ecosystem differ from the way at energy flows?
Not similar to matter, flow of energy has a one way flow through living things. On the other hand, matter is recycled within and between ecosystems. Living things (ecosystems) need nonliving matter as well as energy. Matter is used to build bodies. It's also needed to carry out the processes of life. Any nonliving matter that living things need is called a nutrient. Carbon and nitrogen are examples of nutrients. Unlike energy, matter is recycled in ecosystems.
The ecosystem is a collection of communities of biotic and abiotic nature. The ecosystem channels energy in cyclic pathways and is unidirectional.
The matter is thus get recycled within and among the ecosystems. As every organism needs nutrients and energy to perform tasks. Like water, the nutrients are passed from one form to another such as from one tropic level to another.Learn more about the way matter cycles by an ecosystem differ from the way at energy flows.
brainly.com/question/12242820.
The original source of energy in most ecosystems is
i believe the answer is the sun
why dont electrons just fly off into space? what holds them in orbit around the nucleus
electrons don't just fly off into space because charged particles attract each other, keep in mind that alike particles repel off each other.
electromagnetic forces hold the electrons in orbit around the nucleus in the center of the atom. As they move in a repetive motion, they stay close together to stay in line.
Hope this helps!!
Which is true of the population shown in this graph? A. It shows the effect of overpopulation on a species. B. The number of individuals will eventually drop to zero. C. The population has increased until it reached its carrying capacity. D. There are no limiting factors to control population growth.
The answer to this is C.
Answer:
The answer is C
Explanation:
The person on top of me is correct just if you're still not sure is this answer is correct or not.
Which describes a way that carbon is pulled out of the atmosphere?
A. When oil is burned
B. When trees use photosynthesis
C. When animals exhale
D. When fossils fuels are used
Answer: B. When trees use photosynthesis