In which part of the cell cycle do the mitotic spindles assemble, bind to chromosomes, and move the sister chromatids apart?

Answers

Answer 1

Answer:

During prophase, the nucleus disappears, spindle fibers form, and DNA condenses into chromosomes ( sister chromatids ). During metaphase, the sister chromatids align along the equator of the cell by attaching their centromeres to the spindle fibers.

Explanation:

Answer 2

Answer:

a

Explanation:


Related Questions

Which artery supplies blood to the external genitalia?.

Answers

Answer:

Internal pudendal arteries are in charge of supplying blood to the external genitalia.

The definition of a protist is a eukaryote that is

A) single celled and animal-like
B) multicellular and photosynthetic
C) fungus-like but motile
D) not an animal, plant, or fungus

Answers

Answer:

the answer is A, single celled and animal-like

What factor causes a mudslide?

Answers

Disturbances in the inherent stability of a slope generate landslides. They may occur in conjunction with severe rainfall or as a result of droughts, earthquakes, or volcanic eruptions. Mudslides occur when water accumulates quickly in the ground, causing a rush of water-soaked rock, soil, and debris.

Answer:

Landslides are caused by disturbances in the natural stability of a slope. They can accompany heavy rains or follow droughts, earthquakes, or volcanic eruptions. Mudslides develop when water rapidly accumulates in the ground and results in a surge of water-saturated rock, earth, and debris.

Explanation:

please helpp!!!
a worker who repairs farm buildings would be susceptible to which of the following combinations of hazards?

Answers

Answer: Defiantly D. Unclean conditions and muscle injuries.

Explanation: You just have to go into a barn to know how bad and dirty it is and I've been in a few;)

Answer:

Heat Exposure and Falls

Explanation:

Its right on Edge

Which statement best describes an organ
A. diff types of tissue work together to carry out a function
B. This is the simplest level of organization of life
C. cells of one type work together to carry out a function
D. this is the most complex organization of life

Help this is due TODAY and i need a correct answer

Answers

Answer:

A, diff types of tissue working together to carry about a function

Answer:

A

Explanation:

organ, in biology, a group of tissues in a living organism that have been adapted to perform a specific function

why human beings are responsible for the loss of forest?​

Answers

We are chopping down trees at a rate that the Earth cannot handle. Or in easier words, pollution.

Why are carbon reservoirs important in the carbon cycle?

Answers

Answer: Carbon compounds regulate the Earth's temperature, make up the food that sustains us, and provide energy that fuels our global economy. Most of Earth's carbon is stored in rocks and sediments. The rest is located in the ocean, atmosphere, and in living organisms. These are the reservoirs through which carbon cycles.

Carbon compounds govern the Earth's temperature, provide food for us to eat, and provide energy to power our global economy.

What is carbon cycle?

The carbon cycle is nature's method of recycling carbon atoms, which travel from the atmosphere into organisms on Earth and then back into the atmosphere.

Carbon is found in carbon dioxide, a greenhouse gas that works to trap heat near the Earth.

It assists Earth in retaining the energy it receives from the Sun, preventing it from escaping back into space. The Earth's ocean would be frozen solid if it weren't for carbon dioxide.

The ocean, geologic reserves of fossil fuels, the terrestrial surface, and the atmosphere are the primary carbon reservoirs. Reservoir sizes are estimated in trillions of kilograms of carbon.

Thus, the carbon reservoirs are important in the carbon cycle.

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Sickle cell anemia is caused by a mutation that changes one amino acid in hemoglobin. Describe how this change could affect the different levels of protein structure. *

Answers

Answer:

Explanation:

. And

What are the different types of physical weathering??

Answers

Freeze-thaw occurs when water continually seeps into cracks, freezes and expands, eventually breaking the rock apart.
Exfoliation occurs as cracks develop parallel to the land surface a consequence of the reduction in pressure during uplift and erosion.

Why do invasive species
disrupt ecosystems?
A. They can outcompete native species.
B. They cannot be killed by any of the
organisms in the environment.
C. They enhance the environment they
оссиру.

Answers

Answer:

A. They can outcompete native species.

Explanation:

Remember that ALL species need an ecosystem they can easily adapt in to survive, especially invasive ones. Adaptation is a heritable trait that helps organisms adjust to new changes in their environment.

Invasive species can compete with native organisms for resources, cause extinctions, reduce biodiversity, and disrupt ecosystem processes. They can also threaten, or even prevent human use of the resources in the ecosystem.

In order for an invasive species to be successful in their new environment, they need to be able to reproduce and grow rapidly to take over quickly.

Hope this helps!

____________% of Minnesota's water is clean. That means ____% of Minnesota's water isn't safe :(

Question 5 options:

40; 60


50; 50


60; 40


70; 30

Answers

Answer:

60; 40

Explanation:

According to fmr.org, 40% of Minnesota's water is polluted.

100-40=60

Which animal is prey to an owl in the food web pictured here? green plant wild cat snake mouse
Please Hurry!!!!!!!!!!!!!!!!!!!!!!!!!!!!!!!!

Answers

Answer:

The mouse.

Explanation:

Answer:

Last one (mouse)

Explanation:

Are you what you eat? Yes or no and why?

Answers

You are not what you eat because if you ate a burger, you’re not a burger right?

Answer:

I am sorry but I didn't understand your question clearly...

Explanation:

For what are if channels responsible in cardiac autorhythmic cells?.

Answers

Answer:

The electrical signal that triggers heart contraction.

Explanation:

:)

Describe how the available energy in the marine ecosystem of the Pacific Northwest could be different than that of African savanna.​

Answers

Answer:

Savannah is located near the equator has more energy availability.

Explanation:

Maine ecosystem of the pacific northwest consists of open ocean and is influenced by the seasonal upwelling events and has freshwater and saline water bodies. It has an average temperature of 39 °F but is warmer near the equator.  While the African savanna is a tropical grassland ecosystem and has warm temperature year-round is characterized by grasses and dispersed trees. The sunlight easily reaches the ground and the vegetation is dense and the climate usually warm with 20 to 30° C with an annual rainfall of 30 inches per year.

The African savanna has more available energy than the marine ecosystem of the Pacific Northwest.

The African Savannah is an ecosystem that is characterized by:

warm temperatures throughout the year,

grasses and small or dispersed trees that do not form a closed canopy, and

highest seasonal rainfall in the summer.

The Pacific Northwest is a marine ecosystem that is characterized by:

mixture of climates and

abundance of mountain ranges.

The African Savannah has more available energy than the marine ecosystem of the Pacific Northwest because it is closer to the equator than the marine ecosystem of the Pacific Northwest.

Therefore, the African savanna has more available energy than the marine ecosystem of the Pacific Northwest.

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Question: Which biome has the highest amount of biodiversity?

Answers

Answer:

Iquitos, Peru

Explanation:

Looking at the graphs, you can see that this region gives the most rain, and with background knowledge, you know that the rainforests are home to MANY different species. Sometimes, it's not all about what's there, but what you already know <3

As a cell grows, which microtubule-associated protein pulls the ER membrane outward, stretching it like a net

Answers

Answer:

Kinesin is correct

Explanation:

:)

What is the speed of a wave with a frequency of 2 Hz and a wavelength of 87 m?
Group of answer choices

0.023 m/s

43.5 m/s

89 m/s

174 m/s

Answers

It’s 174 m/s it’s just hz x wavelength

The speed of a wave with a frequency of 2 Hz and a wavelength of 87 m will be 174 m/s. Thus, the correct option will be D.

What is Wave speed?

Wave speed can be defined as the magnitude of distance which the wave travels in a given amount of time, such as the number of meters which it travels per second of time.

Wave speed is a scalar quantity as it has only magnitude and no direction. Speed of a wave depends upon the medium in which the wave travels.

The wave speed is directly proportional to the wavelength of the wave and the frequency of the wave. Speed of a wave is the product of its wavelength and frequency. The expression for wave speed is as follows:

Speed of wave = Wavelength × Frequency

Speed of wave = 87 × 2

Speed of a wave = 174 m/s.

Therefore, the correct option will be D.

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Which type of muscle is found in the wall of hollow organs?.

Answers

smooth muscle fibers.

How do many seeds arrive in a barren landscape?

Answers

Answer:

Hope it helps!~ (Sorry I you get it wrong or I got It wrong-)

Explanation:

Primary succession begins in barren areas, such as on bare rock exposed by a retreating glacier. ... Over hundreds of years these “pioneer species” convert the rock into soil that can support simple plants such as grasses. These grasses further modify the soil, which is then colonized by other types of plants.

~The Confuzzeled homan

Primary Succession follows the formation of new land surfaces consisting of rock, lava, volcanic ash, sand, clay, or some other exclusively mineral substrate.
This means that there is NO SOIL present. (Soil is a mixture of mineral material, decaying organic material, and living organisms. The area is barren in primary succession.)
Secondary Succession follows the destruction or partial destruction of the vegetation area by some sort of disturbance, like a fire, windstorm, or flood that leaves the soil intact.
Pioneer species initiate recovery following disturbance in both primary AND secondary successions. Pioneers "pave the way" for later colonists (plant species) by altering the biotic and abiotic environment
Climax community describes an end product of succession that persists until disturbed by environmental change. The labels I-VII represent the different stages of primary succession. I-bare rocks, II-pioneers (mosses, lichen, algae, fungi), III-annual herbaceous plants, IV-perennial herbaceous plants and grasses, V-shrubs, VI-shade intolerant trees, VII-shade tolerant trees. Examples of Secondary Succession
Fire. Fire is one of the most common causes of secondary succession and is an important component for the renewal and vitality of many types of ecosystem. ...
Harvesting, Logging and Abandonment of Crop Land. ...
Renewal After Disease. ...
Gap Dynamics. Examples of Primary Succession
Volcanic eruptions.
Retreat of glaciers.
Flooding accompanied by severe soil erosion.
Landslides.
Nuclear explosions.
Oil spills.
Abandonment of a manmade structure, such as a paved parking lot. Primary succession begins in barren areas, such as on bare rock exposed by a retreating glacier. ... Over hundreds of years these “pioneer species” convert the rock into soil that can support simple plants such as grasses. These grasses further modify the soil, which is then colonized by other types of plants. How does an area move from a sterile, barren wilderness to one full of life? Barren rock from beneath a retreating glacier, or due to a volcanic eruption. Low-growing plants such as mosses, ferns, and lichens begin to colonize. Fast-growing grasses, flow- ering plants, and small shrubs begin to take root. The ecosystem may have been stopped from reaching its full climatic climax or deflected towards a different climax by activities such as:
Cutting down the existing vegetation.
Burning as a means of forest clearance.
Planting trees or crops.
Grazing and trampling by domesticated animals.
Harvesting of planted crops. is colonized by living things for the first time. In secondary succession, an area that was previously occupied by living things is disturbed, then re-colonized following the disturbance.
The pioneer species are hardy species which are the first to colonize barren environments or previously biodiverse steady-state ecosystems that have been disrupted, such as by fire. Some lichens grow on rocks without soil, so may be among the first of life forms, and break down the rocks into soil for plants. Primary succession is a change in vegetation which occurs on previously unvegetated terrain (Barnes et al. 1998). Examples of where primary succession may take place include the formation of new islands, on new volcanic rock, and on land formed from glacial retreats.

Where is the majority of the usable energy found at the completion of glycolysis, acetyl coa formation, and the krebs cycle?.

Answers

Answer:NADH is both a high-energy molecule and more numerous than any other product

Explanation:

How specifically does crispr work to treat sickle cell anemia?.

Answers

Answer:

As sickle cell disease is caused by a genetic mutation, it is a perfect candidate for CRISPR-mediated gene therapy. Treating sickle cell anemia with CRISPR involves an ex vivo procedure known as gene-edited cell therapy, where hematopoietic stem cells are extracted from the patient, corrected, and then replaced.

Explanation:

what type of ecosystem do wolves live in

Answers

Tundra, mountain areas, woodlands, forests, grasslands, deserts.

12+2 to the third power divided by 4x2-15

Answers

Answer:

-0.0025

Explanation:

12+2 is 14

to the third power means 14³

that is 2744

4×2-15= -7

2744÷ -7= -0.0025510204

approximate to the nearest four digits

-0.0025

Answer:

-5

Explanation:

12+2 to the third power is 20
20/4=5
5x2=10
10-15=-5

How were the cardiovascular, respiratory, and excretory body systems working together?

Answers

Your digestive system absorbs water and nutrients from the food you eat. Your circulatory system carries oxygen, water, and nutrients to cells throughout your body. Wastes from the cells are eliminated by your respiratory system, your excretory system, and your skin.

How do nutrients move through an ecosystem?

A. Nutrients are passed through the water and are lost.
B. Nutrients are moved by decomposers from one trophic level to another and are never recycled.
C. Nutrients are recycled through closed loops called biogeochemical cycles and are used over and over.​

Answers

Answer:

c

Explanation:

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Nutrients move through an ecosystem as nutrients are recycled through closed loops called biogeochemical cycles and are used over and over.​ The correct option is C.

What are nutrients?

Nutrients are the substance that is needed by the body for energy and growth. These nutrients are present in food materials. These food materials are fruits, vegetables, etc.

An ecosystem is a place where all living organisms are lives and interact with each other. The ecosystem contains all resources that are needed by the organism.

As heterotrophic organisms, eat other animals and plants. The nutrients move from one organism to another organism.

Thus, the correct option is C. Nutrients are recycled through closed loops called biogeochemical cycles and are used over and over.​

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During which portion of the cell cycle does the amount of dna in the cell decrease by half?.

Answers

Answer:

In S - phase of the cell cycle amount of DNA dobles in each cell amount of DNA remains same in each cell chromosome number is increased amount of DNA is reduced to half in each cell

Explanation:

Explain the importance of the enzyme topoisomerase in the replication of
DNA.

Answers

During DNA replication and transcription, DNA becomes overwound ahead of a replication fork. ... In order to prevent and correct these types of topological problems caused by the double helix, topoisomerases bind to DNA and cut the phosphate backbone of either one or both the DNA strands.
Topoisomerase plays an important maintenance role during DNA replication because this enzyme prevents the DNA double helix ahead of the replication fork from getting too tightly wound as the DNA is opened up

Multiple choice answers! has to be turned in 3 mins!!!!!

Answers

Answer:

Bro, what are the questions?

Explanation:

name the important trees of tropical monsoon forest​

Answers

Bamboo
teak
Sal
Myrobalan
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