When at the restrictive temperature, we can comfortably expect the cell to stop dividing, whilst continuing to grow
The E2F pathway in a cell is responsible for the transition from the G1 stage of the cell cycle to the S stage. The G1 stage is where a cell grows and expands before the duplication of its DNA.
The S stage stands for synthesis. This is the moment in the cellular cycle in which the DNA of the cell is copied in order to prepare for cellular division.
Therefore, if the transition from G1 to S is blocked by temperature restrictions, we can expect the cell to continue growing, but not divide.
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scientists often test their hypotheses with controlled experiments. which of these is a rule for conducting a controlled experiment?
a. change at least two variables at a time
b. keep all variables constant
c. change as many variables as possible
d. change only one variable at a time
Changing only one variable at a time is a rule for conducting a controlled
experiment.
Controlled experiment involves the use of dependent and independent
variables . Changes in the independent variable brings about a
corresponding change in the dependent variable which is then recorded.
It is however important to note that changing more than only one variable at
a time won't accurately determine if the changes in the results were as a
result of one cause. This is why only one variable has to be changed at a
time.
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write components of xylem and phylem ?
Hope you could get an idea from here.
Doubt clarification - use comment section.
After a lion has made a kill, birds will sometimes arrive to pick at the leftover carcass. Which are the predators: the birds, the lion, or both? Why?
Answer:
The lion is the predator because the lion killed . Hope that helps
After surgery to repair burst fractures of his C6 and C7 vertebrae, Luke was transferred to the surgical intensive care unit. Which of the following healthcare professionals would most likely provide, coordinate, and implement Luke's care; administer medications; assess/monitor his status; and educate/support Luke and his family about his injury and care?
Answer:
A neurologist specializes on spinal injuries so he/she would be treating Luke.
1. What do we call the study of the earth and its structure?
Geology !
Explanation: (if needed)
The studies of Earth’s physical structure and substance, its history and the processes that act on it. People who work in this field are known as geologists. Planetary geology is the science of studying the same things about other planets. It includes the study of organisms that have inhabited our planet. An important part of geology is the study of how Earth's materials, structures, processes, and organisms have changed over time. Geology involves methods and knowledge from biology, chemistry, physics, and mathematics.
Answer:
This study is called geology
Explanation:
Geology is a branch of Earth science concerned with both the liquid and solid Earth, the rocks of which it is composed, and the processes by which they change over time. Geology can also include the study of the solid features of any terrestrial planet or natural satellite such as Mars or the Moon.
I need help please guys help me
Answer:
Choose a specific topic related to nutrition, and do some research on it (Wikipedia is always a good place to start). Maybe look at a few health blogs for inspiration and just to see the writing style (be sure not to copy them though!)
Answer:
Your topic (Nutritional blog post) explain the benefits of having proper nutrition and why should we do it. List down items we may sacrifice (ex. eating junk food) but the good effects this will bring us. Cite what will happen if we have healthy nutrition and back it up with evidence (Ex. A professional science study in 1993 has found that people who have healthy nutrition are less likely to disease [THIS IS ONLY EXAMPLE!]) Next, recommend some healthy foods or make a nutritional health diet for all the days in the week, balancing carbohydrates and giving the right amount of nutrition and calories.
Explanation:
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Define what are abiotic factors
abiotic factors are the non-living part of an ecosystem that shapes its environment.
for example water, light, etc.
Which of the following models shows the flow of energy in a woodland ecosystem? Select the two correct answers A.sun → tree → caterpillar → bird
B.sun → caterpillar → bird → hawk
C.sun → tree → grass → mouse
D.sun → grass → mouse → owl
E.sun → hawk → bird → caterpillar
Answer:
C and D
Explanation:
Energy flow is the transference of energy through all the links composing the trophic web. The correct options areA and D. A) sun → tree → caterpillar → bird /// D) sun → grass → mouse → owl.
What is the flow of energy in trophic webs?Is the transference of energy through a series of organisms involved in the trophic web.
During energy flow, every link in the trophic web takes energy by feeding on the preceding one and provides energy when becomes food for the next link.
Autotroph organisms take energy from the sun to synthesize organic matter from inorganic matter. Primary consumers take energy from producers.Secondary consumers take energy from primary consumers.And so on, until finally, decomposers take energy decomposing matter.Accordig to this information, the two correct answers are options A and D.
Producer Primary consumer Secondary consumer
A. sun → tree → caterpillar → bird
D. sun → grass → mouse → owl
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Which is an example of a limiting factor that is dependent on population size?
Answer: Food can be an obvious answer because people will not survive without food so they will die. And death means there will be a decrease on population size. So food can be a limiting factor that is dependent on population size.
Answer:
A limiting factor that depends on propulation size is called a density-dependent limiting factor.
Density- dependent limiting factors include: competition, predation, parasitism and disease.
.・。.・゜✭・have a nice day・✫・゜・。.
Three plants are grown in the same environmental conditions with equal sunlight, water, and space to grow. One plant grew to have a purple flower while the other two grew white flowers. What is the most likely conclusion that can be made for the change in flower color?(1 point)
Genetic factors caused environmental changes that caused the differences in flower color.
Genetic factors caused the differences in flower color.
Environmental factors caused a genetic mutation that caused the differences in flower color.
Environmental conditions caused the differences in flower color.
Answer:
The second answer choice.
Explanation:
Genetic variation must be the answer as the plants were grown in the same conditions. Therefore, the only source of variability might be genetic variation.
The first choice is not the answer because Genetic factors cannot cause the environment around the plant to change.
The third choice is not the answer because the Environmental factors are the same, and if they were really to cause a mutation, all three plants would mutate.
The fourth is the same reason as the third: if environemnt conditions affected the flower, all three plants would change color since they were all grown in the same environemnt, not just the one we see in the results.
Some significant floricultural species can now produce flowers with attractive and unique bloom hues thanks to recent advancements in genetic alteration techniques. Thus, option B is correct.
What are the genetic factor in developing organism?Flower color is governed by two primary gene families. Genes that code for the protein machinery needed to create pigment molecules are part of one category.
The second group includes genes that result in the production of regulatory proteins. The location, quantity, and kind of machinery that makes up the pigments are determined by regulatory proteins.
Flowers have genes that determine how they look, just like humans. These plants “give birth” to pigments, which result in a rainbow of hues.
The carotenoid substance that gives tomatoes and carrots their color also gives some flowers their yellow, red, or orange hue.
Therefore, Genetic factors caused the differences in flower color.
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what objects could we find in the stratosphere
If we have 46 chromosomes, about how many feet would that be? (Show some math work)
Answer:
276
Explanation:
Chromosomes are about 6 feet long.
46 x 6
= 276
please help meeèe I really need urs help
Explanation:
Science and technology help each other advance. Scientific knowledge is used to create new technologies. New technologies often allow scientists to explore nature in different ways and make new discoveries. Examples of technologies that have helped science advance include the telescope and microscope.
In a laboratory setting, embryonic stem cells can differentiate into which
types of cells?
any cell from the same organism
any type of prokaryotic cell
any cell from a different organism
any type of eukaryotic cell
bacteria having cluster of flagella at both poles of the cell is known as
Bacteria having cluster of flagella at both poles of the cell is known as Amphitrichous bacteria.
WHAT ARE AMPHITRICHOUS BACTERIA?Amphitrichous bacteria are types of bacteria that have flagellum on each of two opposite ends. An example of amphitrichous bacteria is Alcaligenes faecalis.
In this type of bacteria, only one flagellum functions at a time. This causes the bacterium to reverse course.
Therefore, bacteria having cluster of flagella at both poles of the cell is known as Amphitrichous bacteria.
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organisms can be made up of many________
Answer:
individual organisms can be organized into the following levels: cells, tissues, organs, and organs systems.
What percentage of polled animals can we expect?
How many of the 8 actions mentioned in the May 7, 1933 Fireside Address provided jobs for unemployed people?
Answer:
1 quarter of a million especially young men who have dependents to go into the forestry and flood prevention work.
Pls help with this biology question
Why do people gain weight ?
Answer:
Poor sleep, sedentary activities, and eating too many processed or sugary foods are just some of the habits that may increase your risk of weight gain. Yet, a few simple steps — such as mindful eating, exercise, and focusing on whole foods — can help you reach your weight loss goals and improve your overall health.
Explanation:
PLEASE HELP LIKE I REALLY NEED HELP
Which of the following distinguishes how the farm bill in its current form differs from the Agricultural Adjustment Act of 1933?
The farm bill provides payments to farmers through indirect means only.
The farm bill allows set funding to purchase farm surplus for government use.
The farm bill pays farmers to grow crops, rather than to not grow them.
The farm bill includes charitable aid to those living in poverty.
Answer:
The Farm bill includes charitable aid for those living in Poverty.
Explanation:
The farm bill is a package of legislation passed roughly once every five years that has a tremendous impact on farming livelihoods, how food is grown, and what kinds of foods are grown. Covering programs ranging from crop insurance for farmers to healthy food access for low-income families, from beginning farmer training to support for sustainable farming practices, the farm bill sets the stage for our food and farm systems. As a leading advocate for family farmers and sustainable agriculture, it’s our job to make sure that this important bill is good for farmers, consumers, and for the natural environment.
Explanation:
Which of the following distinguishes how the farm bill in its current form differs from the Agricultural Adjustment Act of 1933?
➠➢ ➡The farm bill includes charitable aid to those living in poverty.
Traditional antibiotics build immunity by exposing the memory cells of our body to inactive versions of viruses or bacteria.
True
False
Conventional antibiotics increase immunity by exposing our bodies' memory cells to dormant viruses or bacteria. So, the aforementioned is True.
What are Antibiotics?A particular class of antimicrobial agent that works against bacteria is an antibiotic. Antibiotic drugs are frequently used for the treatment and control of bacterial infections because they are the most effective type of effective antibacterial for doing so. Bacteria may be killed or have their growth suppressed.
Several types of bacterial infections are treated or prevented with the help of antibiotics. They either eradicate bacteria or stop them from proliferating and spreading.
Viral infections cannot be treated with antibiotics. This covers the typical cold, the flu, the majority of coughs, and sore throats. By introducing our bodies' immunological memory to latent viruses or bacteria, traditional antibiotics boost immunity.
Therefore, the given statement is True.
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In a population of cattle, the average body fat percentage is 10.5%. You select parents with an average body weight percentage of 20.8%. The offspring they produce have an average body weight percentage of 17.6%. Based on these data, what is the narrow-sense heritability of this trait
Heritability in the narrow sense -h²- refers to the proportion of the phenotypic variability that is influenced by genetic factors. In the exposed example, the narrow-sense heritability of this trait is h² = 0.689 ≅ 0.7
-----------------------------
Before answering the question, let us first review a few concepts.
The selection differential, SD, is calculated by getting the difference between the mean value of the desired trait in the population (X₀) and the mean value of the same trait expressed by parents, (Xs). So,SD = Xs - X₀
Heritability in the narrow sense -h²- is the measure of the genetic component to which additive genetic variance contributes.It referes to the proportion of the phenotypic variability that is influenced by genetic factors.
The heritability might be used to determine how the population will respond to the selection done, R.
h² = R/SD
The response to selection (R) refers to the metric value gained from the cross between the selected parents. R can be calculated by multiplying the heritability h² with the selection differential, SD.R = h²SD
R also equals the difference between the new generation phenotypic value (X₁) and the original population phenotypic value (X₀),
R = X₁ - X₀
Now that we know these concepts and how to calculate them, we can solve the proposed problem.
Available data:
Population average body fat ⇒ 10.5% ⇒ X₀ Selected parents average body weight ⇒ 20.8% ⇒ XsOffspring average body weight ⇒ 17.6% ⇒ X₁We ned to get the narrow-sense heritability of this trait, h².
h² = R/SD
R = X₁ - X₀ = 17.6% - 10.5% = 7.1%SD = Xs - X₀ = 20.8% - 10.5% = 10.3%
h² = R/SD = 7.1% / 10.3% = 0.689 ≅ 0.7
The narrow-sense heritability of this trait is h² = 0.689 ≅ 0.7
-------------------------------------
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3. If you drink a lot of water but do not consume additional solutes, how will the specific gravity of the urine be affected
Viruses can not grow in nutrient media. Why ?
Answer:
Viruses are obligate intracellular parasites and cannot grow on inanimate media. They need living cells for replication, which can be provided by inoculation in live animals among other methods used to culture viruses (cell culture or inoculation of embryonated eggs).
cellular respiration
.
help with chart
The arrows mean that it belongs in that box and in the box where the caption is in.
Meaning that you should write the same answer in both boxes.
come up with a question for an investigation that can be done at a forest preserve (make sure to include an independent and dependent variable)
Answer:
What are the most effective new chemical treatments of various invasive species?
Explanation:
independent variable: chemical treatments
dependent variable: the type of species
Select all the correct answers.
Which two generalizations can be made based on what you know about cycles of matter in a closed system?
New matter is added, and old matter is destroyed.
OO
Matter changes its physical form, allowing it to return to its original state.
The amount of matter within the system remains the same.
Matter and energy can cross the boundaries of the system.
The cycle has a well-defined starting and stopping point.
Reset
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Answer:
Matter changes its physical form, allowing it to return to its original state.Matter changes its physical form, allowing it to return to its original state.Matter changes its physical form, allowing it to return to its original state.Matter changes its physical form, allowing it to return to its original state.Matter changes its physical form, allowing it to return to its original state.Matter changes its physical form, allowing it to return to its original state.Matter changes its physical form, allowing it to return to its original state.Matter changes its physical form, allowing it to return to its original state.Matter changes its physical form, allowing it to return to its original state.Matter changes its physical form, allowing it to return to its original state.Matter changes its physical form, allowing it to return to its original state.Matter changes its physical form, allowing it to return to its original state.Matter changes its physical form, allowing it to return to its original state.Matter changes its physical form, allowing it to return to its original state.Matter changes its physical form, allowing it to return to its original state.Matter changes its physical form, allowing it to return to its original state.Matter changes its physical form, allowing it to return to its original state.Matter changes its physical form, allowing it to return to its original state.Matter changes its physical form, allowing it to return to its original state.Matter changes its physical form, allowing it to return to its original state.Matter changes its physical form, allowing it to return to its original state.Matter changes its physical form, allowing it to return to its original state.Matter changes its physical form, allowing it to return to its original state.Matter changes its physical form, allowing it to return to its original state.Matter changes its physical form, allowing it to return to its original state.Matter changes its physical form, allowing it to return to its original state.Matter changes its physical form, allowing it to return to its original state.Matter changes its physical form, allowing it to return to its original state.Matter changes its physical form, allowing it to return to its original state.Matter changes its physical form, allowing it to return to its original state.Matter changes its physical form, allowing it to return to its original state.Matter changes its physical form, allowing it to return to its original state.Matter changes its physical form, allowing it to return to its original state.Matter changes its physical form, allowing it to return to its original state.Matter changes its physical form, allowing it to return to its original state.Matter changes its physical form, allowing it to return to its original state.Matter changes its physical form, allowing it to return to its original state.Matter changes its physical form, allowing it to return to its original state.Matter changes its physical form, allowing it to return to its original state.Matter changes its physical form, allowing it to return to its original state.
PLEASE HELP ME WILL MARK BRAINLIEST LIKE GIVE ME THE REAL ANSWER
Which of the following distinguishes how options differ from futures In commodities markets?
Options are used to speculate against good pricing.
Options cannot be applied beyond a set volume of a good.
Options involve prices for goods set at the current time.
Options do not involve a requirement for a good to be purchased.
Answer:
I believe it is C I am not 100% though sorry if its wrong
Options and futures contracts are both derivatives, created mostly for hedging purposes. The key difference between them is that futures obligate each party to buy or sell, while options give the holder the right (not the obligation) to buy or sell.
help :(
Which of the following explains a similarity between the current farm bill and the Agricultural Adjustment Act (AAA) of 1933?
Both include payments given directly to farmers.
Both require the government to buy from certain growers.
Both set standard prices for produce commodities.
Both are designed to only benefit impoverished people.
Answer:
both set standard prices for produces commodities.
Answer:
Both require the government to buy from certain growers .Hope this helps you !!