Answer: the correct answer is C
Explanation:
Preventing the formation of spindle fibers makes the mitotic division stop in metaphase, and thus fail to proceed to anaphase.
• Colchicine prevents the polymerization of the microtubule, and thus, prevents the arrangement of the mitotic spindle, which shows the prevalence of another checkpoint in the cell cycle.
• As a result, the activity of the maturation promoting factor remains high, the chromosomes stay condensed, and the nuclear envelope fails to redevelop.
• A toxic effect is exerted on the living cells by the colchicine, which usually results in the arrest of the process of mitosis at an eventual stage, generally the metaphase, with the generation of unusual and bizarre nuclear configurations, and thus, resulting in the death of the cell.
Thus, the correct answer is option C.
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Human blood is 90% water and 10% solute. What would happen if you gave
a patient an IV of pure water (0% solute)? The patient's cells will
remain unchanged.
swell or lyse.
shrivel.
Answer:
When a person receives fluids intravenously (through an IV bag, for example), a saline solution is sometime used. Giving large amounts of pure water directly into a vein would cause your blood cells to become hypotonic, possibly leading to death.
Explanation:
The answer is B: It swells.
A hypotonic solution has a lower concentration of solutes than another solution. In biology, a solution outside of a cell is called hypotonic if it has a lower concentration of solutes relative to the cytosol. Due to osmotic pressure, water diffuses into the cell, and the cell often appears turgid, or bloated.
Using the Periodic Table of Elements, what group of elements are also known as the Halogen Family?
Answer:
I NEED SOME POINTS TO ASK A QUESTION UGH
Explanation:
Answer:
the answer is this hope it helps
Through which blood vessel does blood flow back into the heart
[tex] \huge \sf \colorbox{aqua}{Answer}[/tex]
The arteries (red) carry oxygen and nutrients away from your heart, to your body's tissues. The veins (blue) take oxygen-poor blood back to the heart. Arteries begin with the aorta, the large artery leaving the heart.
AHHHH PLS HELPP Which method is better for the environment: the controlled burn (burning oil off of the water) or using the naturally-occuring bacteria?
Answer:
using the naturally_occuring bacteria
Explanation:
go trying and helping wich with
Which characteristic shows discontinuous variation in humans?
Length of foot
Height
Weight
Tongue rolling
Answer:
length of foot
Explanation:
L
E
N
G
T
H
O
F
F
O
O
T
HELLLLPPPPPPPPPPP HURRY
Answer:
A
Explanation:
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Suppose an individual giraffe could not reach high leaves on a tree
its neck was too short. Lamarck's theory would suggest that the giraffe could
undergo physical changes that would lengthen its neck simply by stretching
to reach the branches. What experimental result would disprove this?
E The necks of giraffes today are shorter than the necks of early giraffes.
G. Giraffes with longer necks prefer to eat leaves from higher branches.
H. Neck lengtı does not change when giraffes are fed branches at different
heights.
1. Giraffes with longer necks frequently produce offspring that also have
longer necks.
Answer:
the last one according to me
Temperature when the air is full of water vapor
Need help asap...............
Answer:
Cheetahs and lions
Explanation:
They feed on the same prey. Therefore, if they live in the same area, one or both species will have less food. You might expect them to fight each other over food, but they do not.
Answer:
Cheetah And Lions can you mark me Brainlest?
Scientists hypothesize that early whale ancestors were amphibious. Which statement
below is most consistent with this hypothesis? The fossil animals ____________.
. The Texas Horned Lizard has a blood shooting defense mechanism that shoots out
from the corner of its eye. The lizard's blood also tastes bad to its predators. If the
lizard feels threatened it gives the predator a taste as a warning.
Which of these explains the success of the Texas Horned Lizard?
A. The lizard displays several adaptations due to a reduction in genetic diversity.
B. The lizard inherited traits to provide an advantage defense mechanism that helps it survive.
C. The loser inherited on favorable traits that decrease the chance of survival.
D. The lizard inherited traits that made a hybrid species that allows it to survive in an extreme environment.
Answer: lowkey think its B
Explanation:
The success of the Texas Horned Lizard is :
B. The lizard inherited traits to provide an advantage defense mechanism that helps it survive.
Texas Horned LizardThe success of the Texas Horned Lizard is the lizard inherited traits to provide an advantage defense mechanism that helps it survive.
The Texas horned lizard or "h-orny amphibian" may be a flat-bodied and fierce-looking reptile. The head has various horns, all of which are noticeable, with two central head spines being much longer than any of the others.
Thus, the correct answer is B.
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You will measure and compare the heart rates of ten learners before and after
exercise. Choose ten learners in class who are willing to participate in this activity
They are the runners. Each of these runners must choose a classmate who will
measure his or her pulse rate.
Write down the question you are trying to answer in this investigation.
1.Write a hypothesis about the relationship between exercise and heart rate.
Answer:
Exercise is responsible for the increasing heart beat.
Explanation:
Exercise is responsible for the increasing heart beat because our body needs oxygen more faster during exercise. When we exercise our body needs quick energy and oxygen which can be provided by heart as well as the heart also removes carbondioxide which is produces during respiration process so the heart beat increases in order to provide energy and oxygen to the muscles.
please help me with this it’s due today
Answer:
The correct answer is - 0 m/s.
Explanation:
In this position-time graph or distance-time graph, there are three different part that shows three different velocities one in increasing as it moves from a lower position in relative to time and one is stationary and the third is decreasing.
'Straight lines' on a distance-time graph suggest that the movement of the object is constant. During 'Part B' of the journey the object travels 0m in 3s. It is stationary for 3 seconds so the velocity will be zero as well.
HELP PLEASEE!!
You will build a simulation of a population using the same elements as the simulation pictured here and show how
the traits in this population change in years 5 and 10.
- Trait A
- Trait B
- Trait
1 circle = 50 organisms
Start off with 2,500 plants of which 50% have medium-tip leaves, 25% have wide-tip leaves, and 25% have drip-tip
leaves. Each circle in your simulation will represent 125 organisms. Calculate how many circles you need for each
trait, and then create your simulation. Be sure to include a key that states the color coding for each trait.
According to the concepts of percentage and proportions, we can make the simulation with 20 circles, each of them representing 125 plants. Traits A = 10 circles. Trait B = 5 circles. Trait C = 5 circles.
To solve this problem, we need to know two concepts, percentage and proportion.
What is a percentage?A percentage can be defined as a fraction or a part of 100. It is denominated as percent (symbol %).
100 refers to the number of parts into which the unit has been divided.
So, X% means that for every 100 parts, X parts are of our interest. Or, that we are interested in X fraction from a total of 100 parts.
What is a proportion?A proportion is the equal relationship between two determined ratios or quantities.
In the exposed example we need to represent this population of 2500 plants with circles.
We know that,
Each circle represents 125 plants50% of the population have medium-tip leaves, 25% have wide-tip leaves, and 25% have drip-tip leaves .So here, our unit is the population. We can say that our population of 2500 plants is composed by 100 subunits or parts.
2500 plants ------------ 100 parts
So now we will calculate how many plants are represented by the 50% and 25% of the population.
If 100% of the population equals 2500 plants, how many plants are 50% of the population and 25% of the population.
100% -------------------- 2500 plants
50% -------------------- X = (50% x 2500 plants) / 100% = 1250 plants.
25% ---------------------X = (25% x 2500 plants) / 100% = 625 plants
Now we know that from the total of 2500 (100%) plants,
1250 (50%) have medium-tip leaves, 625 (25%) have wide-tip leaves, and 625 (25%) have drip-tip leaves.Finally, we need to calculate how many circles represent these numbers. So, we know that 1 circle equals 125 plants. The question is, how many circles represent 2500, 1250 and 625 plants.
125 plants ----------------- 1 circle
2500 plants -------------X = (1 circle x 2500 plants) / 125 plants= 20 circles.
1250 plants --------------X = (1 circle x 1250 plants) / 125 plants = 10 circles.
625 plants ---------------X = (1 circle x 625 plants) / 125 plants = 5 circles.
So, our simulation must have 20 circles, from which
10 circles represent medium-tip leaved plants (Trait A), 5 circles represent wide-tip leaved plants (Trait B), and the remaining 5 circles represent drip-tip leaved plants (Trait C).In the attached files you will find the image.
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The diagram to the right shows an HIV particle.
What is the function of the glycoproteins on the outside of the virus?
A. to carry genetic material
B. to propel the virus forward
C. to help the virus invade cells
D. to protect the HIV particle from antibodies
The function of the glycoproteins on the outside of the virus is to help the virus invade cells (Option C).
What is a virus?A virus is an entity (not an organism) that is able to infect the cells of a given sensitive host.
A virus is covered by a layer called the coat, which is composed of glycoproteins to infect suitable hosts.In conclusion, the function of the glycoproteins on the outside of the virus is to help the virus invade cells (Option C).
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a particle of oxygen has 8 protons and 8 electrons. is this an atom or an ion? what's the charge?
Answer: It is Atom and the charge would be postive.
Explanation: If the atom had 8 protons and 8 electrons (oxygen for example), knocking one of the electrons out, makes 8 protons and 7 electrons. The atom now has a net charge of +1 because the 7 electrons cancil the positive charges of 7 of the protons in the nucleus, but there is one remaining proton with a positive charge.Oxygen's 8 electrons are negatively charged, and they orbit the atomic nucleus and balance the positive charge of the 8 protons. The positive charge of 1 proton exactly cancels the negative charge of 1 electron. Answer 9: Oxygen is atomic number 8 on the periodic table, which means it has 8 protons!
Hope this helps :) Can u plz mark me branliest :)
A particle of oxygen has 8 protons and 8 electrons in an atom and the charge on it is zero.
What is an atom?It is the smallest particle of matter composed of electrons and a nucleus of protons and neutrons.
What is an ion?It is an atom with a positive or negative charge due to either loss or gain of electrons.
Every atom tends to have a noble gas configuration for stability and they either tend to lose, gain, or share electrons to achieve it.
The oxygen atom generally gains 2 electrons to complete its octet and has a net -2 charge.
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Read the passage. Then explain the ways humans have influenced the traits in corn plants and the impacts each biotechnology has had.
Passage
Many of the types of corn found in grocery stores were originally bred for their taste and productivity. But these varieties are often threatened by pests. This makes it harder for farmers to produce enough corn.
Scientists have used genetic engineering to make GMO corn plants that are resistant to pests. In one type of GMO plant, they added genes from bacteria that live in soil. The genes let the GMO plants produce a bacterial protein that kills certain insects.
Answer:
It decreases cost of production on the crop as well as increase production.
Explanation:
It is a very efficient method to save a corn plant from the attack of bacteria. This method is used in almost each and every plant in order to make it resistance against harmful pests and microorganism. By using this technology, the cost of production on the growing of crop decreases which gives more profit to the farmers as well increase the overall productivity of that corn crop.
Answer:
One of the ways we have influenced the traits in corn is through selective breeding. We now have taller plants, and bigger ears of corn, that taste better. Another way we have influenced the traits is by modifying them to be pest resistant.
Hope this helps! ✌️Which of the following is true about genes?
A.
The genes of a particular organism can never change throughout its lifetime.
B.
In humans, genes are passed to an offspring from two parents.
C.
Genes are responsible for all the traits of an organism.
D.
Genes are made up of smaller molecules known as chromosomes.
Answer:
I think d is I thinks only
Answer:
answer is c
Explanation:
i'm on the same topic as you and hope im right
How many valence electrons does magnesium (Mg) have?
Ο Α. 12
B. Six
O C. three
O D. two
Answer:
Magnesium is in the group #2 on the periodic table of elements. This means it has two valence electrons.
Answer:
two
Explanation:
This is due today!
Alice and her friends looked at a bunch of ladybugs. They noticed the ladybugs had different numbers of spots. They each had different ideas about why the numbers of spots were different.
This is what they said: Which person do you agree with the most?
A) Karen: I think they must all be different species of ladybugs.
B)Troy: I think each ladybug has the same number of spots as its parents.
C)Isaac: I think it depends on the age of the ladybugs. As they get older they add more spots.
D)Fred: I think it has to do with the sex of the ladybug. Males will add more spots to compete for the females.
E) Andrea: I think it depends on what each ladybug was born with.
F) Alice: I think they change their number of spots when there is a need for them to do so.
Explain your thinking. Describe your ideas about why the ladybugs look different.
TRUE OR FALSE
1.Body covering of animal such as fur,feather,and hair are used for protection
2.land animals have gills for breathing.
3.Worms breath through their skin.
4.all land Animals have two Pairs of legs.
5.The elephant Has thick skin to prevent injuries from enemies.
Answer:
1.true
2.true
3.true
4.false
5.true
Desenvolvimento Sustentável - 1ª Série do EM- Biologia Habilidades do Currículo Paulista: EF09CI13 Propor iniciativas individuais e coletivas para a solução de problemas ambientais da comunidade e/ou da cidade, com base na análise de ações de consumo consciente e de sustentabilidade bem-sucedidas 15/02/21 - 1ª série do EM - Biologia - Desenvolvimento sustentável O que propõem o desenvolvimento sustentável? A) É impossível sustentar o desenvolvimento B) Pode haver desenvolvimento em harmonia com o meio ambiente C) Para sustentar a indústria é necessário o desenvolvimento em detrimento do meio ambiente
Which statement is true about all metals?
A group of individuals of the same species living together is called a:
Answer:
Population
Explanation:
Alright, I’m begging someone for help plz
1. What phenotypes would you predict in the F2 generation?
Answer: Round
Explanation:
That's what i put on mine lol
Answer: 75% Round 25% wrinkled
Explanation:
What happens during fermentation?
Answer:
Fermentation, chemical process by which molecules such as glucose are broken down anaerobically. More broadly, fermentation is the foaming that occurs during the manufacture of wine and beer, a process at least 10,000 years old.
Explanation:
Hope that this helped you :D
What, in general, can you infer about the energy per square meter at the equator?
Answer:
0-degrees latitude, at the equator. The temperatures would be higher because the radiation from the sun is more direct. The overall energy is greater per square meter because the sunlight is more direct.
Water, carbon dioxide, oxygen and some other substances can pass through the cell membrane because?
Answer:
Water, carbon dioxide,oxygen and some other substances can pass through the cell membrane because oxygen and carbon dioxide moves across the cell membranes from a simple diffusion a process that does not require any energy input and is driven by differences in concentration on the other side of the cell membrane.
i need help to get the right question because i got it wrong
Answer:
last one
Explanation:
because they have no nucleus of any membrane bound organelles