where do the microtubules of the spindle originate during mitosis in both plant and animal cells ??​

Answers

Answer 1
They originate at the Centrosome.

Related Questions

A student is using a terrarium like the one shown here to study the cycling of
water in an ecosystem.
Which observation would be the best evidence of the water cycle?
O A. Condensation
O B. Predation
O C. Moving animals
O D. Dead plants

Answers

Answer:

A- condensation

Explanation:

Condensation would be the best evidence of the water cycle in a terrarium ecosystem.  Therefore, option (A) is correct.

What is water cycle?

The water cycle is the continuous movement of water between the Earth's surface, atmosphere, and underground. It involves several processes, including evaporation, transpiration, condensation, precipitation, and runoff.

In the water cycle, water evaporates from the Earth's surface into the atmosphere, where it cools and condenses into clouds. These clouds can then produce precipitation, such as rain, snow, or sleet, which falls back to the Earth's surface. Some of this precipitation is absorbed by plants or runs off into rivers, streams, and lakes, while the rest seeps into the ground to become groundwater. This groundwater can eventually be released back to the surface through springs, or it can flow into larger bodies of water.

The water cycle is a vital process for the Earth's ecosystems, as it helps to distribute water and nutrients across the planet and support life. Human activities, such as deforestation and pollution, can disrupt the water cycle and have negative impacts on the environment.

Learn more about water cycle, here:

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An acid is best defined as: Select one:
a. a substance with a pH between 0 and 7.
b. a substance with a pH between 7 an 14.
c. a substance that is exactly pH 7.
d. A substance with a pH between 0 and 14. m​

Answers

Answer:

A.) a substance with ph between 0 and 7.

Explanation:

as acid has pH value between 0 to 7.

A. A substance with a pH between 0 and 7.

PLEASE HELP ASAP (: question in photo

Answers

Answer:

A) exponential growth

Explanation:

How was Cell Theory created?”

Answers

Answer:

The invention of the microscope led to the discovery of the cell by Hooke. While looking at cork, Hooke observed box-shaped structures, which he called “cells” as they reminded him of the cells, or rooms, in monasteries. This discovery led to the development of the cell theory.

hope this helps :)

Pls help :)) worth 10 points (:

Answers

Answer:

A

Explanation:

just go for A

Select all that apply. The first known pandemic in A.D. 542, struck which parts of the world?
Australia
Middle East
North America
South America
Asia
North
Africa
Europe

Answers

Africa I'm preety sureee

Answer:

Isn't it all of the above-- correct me if I am wrong!!

Explanation:

Luv you <3

5. The lion researchers in the film have studied 20% of the park and identified 41 lions. (Show your
work/justify your answer for each section.)
a. The entire Gorongosa park is 4,000 km². Approximately how large (in km) is the portion of
the park that has been studied?
ASAP PLSS

Answers

Answer:

800 km²

Explanation:

If the researchers have studied 20% of the 4000 km² park, to find out how much of the park in km they have studied, all you have to do is find 20% of 4000.

4000 x .20 = 800

800 km² is your answer.

If the area of the entire Gorongosa park is 4,000 km². Among which, 20% of the park is already studied, it means 800 [tex]km^2[/tex].

What do you mean by the researcher?

A researcher may be defined as a kind of person who significantly carries out academic or scientific research in order to find some unrevealed data and information.

According to the question,

The total area of Gorongosa park = Gorongosa park is 4,000 km²

The area which is already studied = 20%.

Now, you have to find the area that is already studied in km. So, you have to calculate the 20% of 4,000 km².

The area which is already studied = 4000 × .20 = 800 [tex]km^2[/tex].

Therefore, if the area of the entire Gorongosa park is 4,000 km². Among which, 20% of the park is already studied, it means 800 [tex]km^2[/tex].

To learn more about Researchers, refer to the link:

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Why is it important for nerve impulses to travel rapidly?

Answers

Answer:

The messages carried by neurons are called nerve impulses. Nerve impulses can travel very quickly because they are electrical impulses. ... The sheath covers the axon, like the plastic covering on an electrical wire, and allows nerve impulses to travel faster along the axon.

Answer:

The messages carried by neurons are called nerve impulses. Nerve impulses can travel very quickly because they are electrical impulses. ... The sheath covers the axon, like the plastic covering on an electrical wire, and allows nerve impulses to travel faster along the axon.

What is the difference between a solar pillar and a sun dog?

Answers

Sundogs are colored spots of light that develop due to the refraction of light through ice crystals. ... Sundogs are also known as mock suns or parhelia, which means "with the sun". Sun Pillars: Sun Pillars appear as a shaft of light extending vertically above the sun, most often at sunrise or sundown.

What is the key activating signal in the TNF receptor signaling pathway that occurs downstream of TNF-alpha binding to the extracellular domain

Answers

Answer:

TNF-alpha is expressed as a homotrimer that exerts its activities through binding to two types of receptors: TNFR1 and TNFR2, which are transmembrane glycoproteins characterized by having an extracellular domain with 4 cysteine-rich domains (CRD 1-4) , each with 3 cysteinecysteine disulfide bonds.

Explanation:

TNF-alpha (Tumor Necrosis Factor), which has the characteristic of being a paracrine signaling ligand, is a pleiotropic cytokine that functions as a mediator of immune regulation, the inflammatory response and apoptosis in some cell types. Receptors in this family are involved, with some exceptions, in juxtacrine signaling; that is, both the ligand and the receptor are membrane proteins with extracellular domains through which signaling is established. The cellular responses promoted by TNF are initiated by its interaction with two different types of cell receptors, the type I receptor (55 kDa) and the type II receptor (75 kDa). Both types of receptors are part of the TNF receptor family, members of which include Fas antigen (apoptosis inducer, also called Apo-1 or CD95), CD27 (T-cell activation antigen), CD30 (lymphoma marker Hodgkin) and CD40 (B-cell antigen), which share the characteristic of cysteine-rich sequences in their extracellular domains. This family of cytokines generate cellular responses that include differentiation, proliferation, activation of NFκB and cell death, promoting the aggregation of receptor monomers, that is, they have a transmembrane domain that participates in the solubilization of the receptor and a domain of intracellular death that is involved in signal transduction. The binding of TNF to TNF-R1 induces a signaling cascade through its intracellular death domain, which subsequently leads to the activation of complex I (or inflammatory) of NFkB and proceeds to the transcription of anti-apoptotic genes, pro- inflammatory diseases and apoptosis complex II (caspases).

What are some examples of anatomical homologies that are analogous?

Answers

Answer:

Explanation:

The arm of a human, the wing of a bird or a bat, the leg of a dog and the flipper of a dolphin or whale are homologous structures. They are different and have a different purpose, but they are similar and share common traits.

NEED HELPP ASAP
Which of these is the best explanation for why the rock on the ocean floor and the rock on the continent are
NOT the same age?
There has been a lot of erosion on the continent and the older rock has been washed away.
There has been a lot of erosion on the ocean floor and the older rock has washed away.
Due to the movement of the plates, the rocks that make up the ocean floor are pulled inside the earth
more often and are much younger.

Answers

Answer:The continental crust is less dense so the oceanic crust subducts back to the mantle. This process explains why the younger rocks are found on the ocean floor. 24.

Explanation:

HELP PLZ Which landform is highlighted in the image?
O hills
O mountains
O plains
O plateau

Answers

Answer:

I may be wrong, but isn't that the Rocky Mountain Range?

Answer: b. Mountains

Explanation:

which statement describes what happens to rocky shorelines that absorb energy from ocean waves?

Answers

Answer:

Solid rock break apart

Explanation:

Which statement is best represented by the diagram?
All carbon is in the form of carbon dioxide,

Carbon can exist in many forms, but the total amount of carbon stays the same.

The amount of carbon in the cycle can increase or decrease based on the number of factories present.

Only living things release carbon dioxide into the atmosphere.

Answers

The second one makes sense to me

ANSWER QUESTION PLZ TYSM!!

Answers

Answer:

Difference: Conductors are materials that permit electrons to flow freely from particle to particle. Conductors allow for charge transfer through the free movement of electrons. In contrast to conductors, insulators are materials that impede the free flow of electrons from atom to atom and molecule to molecule.

Similarities: Both conductors and insulators deal with the electric conductivity of a surface or material. Everything is either a conductor or an insulator. It is a conductor if it readily allows electrons to flow across it, when there is a potential voltage differential between two points on the surface.

Explanation:


Explain how the stomach Depends on other body systems to carry out its role in breaking down food molecules.

Answers

The whole body works together, as a “team.”If one of the parts of the body won’t work together as a team, everything will get messed up. The stomach muscles churn and mix the food with digestive juices that have acids and enzymes, breaking it into much smaller, digestible pieces. An acidic environment is needed for the digestion that takes place in the stomach.

Only answer if you know the answer

Answers

The correct answer is "Two identical DNA molecules are made that contain one original strand and one paired strand."

Explanation:

The word "conserve" refers to the action of preserving an element. Moreover, the prefix "semi" refers to partial. In this context, DNA replication can be considered as a semi conservative process because the original DNA is partially preserved. This is explained in "Each of the two daughter molecules made during replication contain one strand from the parent molecule and one new strand" because this excerpt shows how in the process each of the cells resulting has at least 50% of the DNA of the original cell. This implies replication does not lead to a completely new cell as part of the genetic material is kept. According to this, this process can be considered as semiconservative because "Two identical DNA molecules are made that contain one original strand and one paired strand."

Which statement accurately describes renewable

Answers

Answer:

D

Explanation:

what is the dakota access pipeline

Answers

Answer: The Dakota Access Pipeline (DAPL) or Bakken pipeline is a 1,172-mile-long underground oil pipeline in the United States. It begins in the oil fields of the Bakken formation in northwest North Dakota and continues through South Dakota and Iowa to an oil terminal near Patoka, Illinois.

Explanation:

Can someone do this. I will give brainlist!!

Answers

Guanine(G) pairs with Cytosine(C) through a triple hydrogen bond

Adenine(A) pairs with Thymine(T) in DNA, but in this case Uracil(U) because we have a RNA strand therefore:

1.Cytosine

2.Uracil

3.Adenine

4.Guanine

Hi there, in this table what exactly are you supposed to complete as I am not completely sure about it so can you please explain it to me?
Thanks

Why is politics important for stopping climate change?
1. Because politicians are responsible for more greenhouse gas emissions than regular people.
2. Because climate change isn't really a scientific issue, only a political one.
3. It isn't, private companies are already doing everything necessary to combat climate change.
4. Because it's unlikely action will be taken fast enough without the government passing laws to reduce our impact on the
climate.

Answers

Answer: it’s number 4

when equipment malfunctions, a(n) _____ needs to be initiated.

A) notification

B) paperwork

C) alarm

D) work order ​

Answers

Answer: Alarm

Explanation:

When equipment malfunction, the reason could be either from the person operating the equipment or there might be some error in the equipment.

As, soon as the equipment malfunctions, there should be an alarm initiated so that to vacant the place as there can be some accident associated with it.

In order to prevent the injury or any causality from taking place, there must be an alarm which is initiated.

Further, the proper paperwork and investigations can be done in order to study the whole case.

what are the parts of the brain

Answers

Answer:

Cerebrum. Cerebellum. Brain stem.

Explanation:

Here is a pedigree for colorblind (H)

What is fred's genotype?

Answers

Answer:

[tex]x^{h} y[/tex]

Explanation:

Fred has inherited the colorblind trait from his mother. We know this because his spot on the pedigree is filled in. Because he is a male his genotype must be some variation of xy and because he is colorblind he must have the recessive "h" on his x chromosome. So his genotype (genetic type) is [tex]x^{h} y[/tex]

The pigment plants have that they use for photosynthesis is called ————

I don’t want a explanation I just want the answer


Answers

Answer:

chlorophyll is the answer

what are the substances that are produced in a chemical reaction called

Answers

Answer:

A chemical reaction is the process in which atoms present in the starting substances rearrange to give new chemical combinations present in the substances formed by the reaction. These starting substances of a chemical reaction are called the reactants, and the new substances that result are called the products.

Explanation:

the result of successful mitotic division (three words)

Answers

I believe that it is two daughter cells
Two identical daughter cells

in what form is carbon found in the atmosphere?

Answers

Answer:

carbon dioxide(CO2)

Methane gas(CH4)

Explanation:

Answer:

CO2

Explanation:

The development of specialized cells from unspecialized stem cells is a description of which of the following basic life processes?​

Answers

Answer:

Differentiation

Explanation:

Differentiation in a life process is a form of life forming process which is common in multicellular development.

It involves cell transforming from specialized cells to unspecialized stem cells combined with unique formation and functional qualities

Hence, the development of specialized cells from unspecialized stem cells is a description of DIFFERENTIATION of basic life processes?

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