How do the cells in meiosis differ from the cells in mitosis

Answers

Answer 1
The purpose of mitosis is cell regeneration, growth, and asexual reproduction,while the purpose of meiosis is the production of gametes for sexual reproduction. Mitosis is a single nuclear division that results in two nuclei that are usually partitioned into two new daughter cells. The nuclei resulting from a mitotic division are genetically identical to the original nucleus. They have the same number of sets of chromosomes, one set in the case of haploid cells and two sets in the case of diploid cells. In most plants and all animal species, it is typically diploid cells that undergo mitosis to form new diploid cells. In contrast, meiosis consists of two nuclear divisions resulting in four nuclei that are usually partitioned into four new haploid daughter cells. The nuclei resulting from meiosis are not genetically identical and they contain one chromosome set only. This is half the number of chromosome sets in the original cell, which is diploid.

Related Questions

Please help!!

Eutrophication is an excess of
_____ often caused by run-off from lawns or
farms that wash excess fertilizer into rivers or coastal waters.

Answers

Answer:

Eutrophication is an excess of

plants and algal growth often caused by run-off from lawns or

farms that wash excess fertilizer into rivers or coastal waters.

plant.

Are male butterflies and moths the same species?

Answers

Answer:

Explanation: No they are not.

important eye equipment for lab work

Answers

Answer:

Safety glasses and safety goggles are used in the laboratory to protect the eyes. Safety goggles provide the best protection from chemicals splashing in the eyes because they protect the sides of the face. Safety glasses do not protect the sides of the face, so chemicals could still get into the eyes.

Answer:

Safety glasses and safety goggles are used in the laboratory to protect the eyes. .

Explanation:

. Safety goggles provide the best protection from chemicals splashing in the eyes because they protect the sides of the face. Safety glasses do not protect the sides of the face, so chemicals could still get into the eyes.

The mechanical advantage of a lever is 4 What does it mean?​

Answers

Answer:

Mechanical advantage MA is the ratio of output (generated by the machine)force to intput (applied to the machine) force. So MA=4 means that for example if you apply 100N then your machine will multiply that force and generate 400N.

Read the lab safety scenario below highlight or underline the ways in which lab rules were broken

Answers

Explanation:

3 is equal 21

[tex]3e = 21[/tex]

Although we think of land when we hear the word biome, there are also aquatic biomes. The abiotic factors that
influence life forms vary with location within ocean systems. Oceanographers divide the ocean into five broad vertical
zones as seen in the chart above. Compare the characteristics of the five zones. The giant tube worms, Riftia
pachyptila, pictured here, have a red "plume at the tip of their free end which is an organ for exchanging compounds
with the environment. The tube worm does not have many predators. If threatened, the plume may be retracted into
the worm's protective tube. The plume provides essential nutrients to bacteria living inside the worm. Tube worms
have no digestive tract, but the bacteria, which may make up half of a worm's body weight, convert the oxygen,
hydrogen sulfide, carbon dioxide, taken in by the plume, into organic molecules on which their host worms feed.
Compare this information with the information in the chart. Where could these worms live?
A)
The tube worms can only live where there is no light: zones 3, 4, and 5.
B)
C)
Only in the top-most two zones so the bacteria can use the light for
photosynthesis.
In any zone in the ocean, provided it was not too cold and there is enough
oxygen in the water
They tube worms are suited to live in the halad zone only, where there is
no light and it is extremely cold.
D)

Answers

Answer:

D)  They tube worms are suited to live in the halad zone only, where there is  no light and it is extremely cold.

Explanation:

Although these tube worms reside in the trenches of the Halad zone at the lowest layer, they survive in darkness and freezing temperatures. Additionally, there are other species of starfish that inhabit this area, thus the starfish are also companions.

answer the question. ASAP Pleasse

Answers

Answer:

AlaskaWashingtonHawaiiCaliforniaOregon

Explanation:

Eruptions along the western edge of the United States have formed the Cascades volcanic mountain range.  Also, they develop island chains, such as the Aleutians in Alaska, which makes Alaska a potential volcanic eruption place. A prominent example of an eruption along the Ring of Fire was the dramatic eruption of Mount Saint Helens in Washington in 1980, which makes Washington a potential volcanic eruption state.  Deep beneath Hawaii, there is a fixed source of abundant rising magma, called a hot spot, making Hawaii likely to be a volcanic eruption state. In 2018, they added Salton Buttes to the 2018 assessment, which is a high threat of a volcanic eruption. In other words, California is likely to be a volcanic eruption state. Eleven of the eighteen very high threat volcanoes are in Oregon, and few other states, where explosive and often snow- and ice-covered volcanoes can project dangerous long distances to densely populated and highly advanced areas.

please help
Why would bacteria, plant and animal cells need to be different?

Answers

Answer:

Because each the cells would have different functions on different organisms.

Explanation:

Bacteria cells are usually prokaryotic which means that it is only composed of one cell. The single cell already has everything it needs so therefore, it isn't as complex as plant and animal cells.

Plants are autotrophs and produce their own food through photosynthesis. Plant cells would have a large vacuole, cell wall, chloroplasts, unlike animal cells.

Animal cells have all the cell organs that plant cells except a large vacuole, cell wall, and chloroplasts. Animal cells also have lysosomes in which plant cells don't.

What do you think will happen if there are no forces on earth

Answers

Answer:

everything would just float if there was no gravity or keeping moving forever without friction

How attitudes and safety skills may deal with the impact of environmental factors at a personal level?

Answers

Answer:Human approach, attitudes and adherence to the safety skills does deal with the impact over environmental factors at a personal level. We have to be more careful and cautious while we pursue our own habits, and activities, with the aim of posing less harm to the environment in any way.

Explanation:

plz help answer plz ​

Answers

Answer:

uses of measurement? I jump on it. uses of measurement? I have translate into your eyes are u c k I'll let me on my k I'm gonna have

Answer:

6. D

7. A

8. B

9. A

10. B

11. C

How does ATP supply energy for cellular activities?

Answers

ATP is able to power cellular processes by transferring a phosphate group to another molecule. This process is called phosphorylation

PLEASE HELP Describe how proteins facilitate the movement of things through the cell membrane. ​

Answers

Bsveidv ehdbdb. Eueveyie

Which factor can potentially increase a teenager’s alcohol use?

Answers

Answer:

A teenager's decision to drink alcohol can be influenced by: early introduction to alcohol. exposure to adult binge drinking or alcohol dependence. access to alcohol from parents and others.

differenciate between larva of culex and that of anopheles on the basis of feeding habit

Answers

Answer:

Answers in the image.

Hope it helps!

What are the three first eons collectively known as?

Answers

Answer:

Hadean, Archean, and Proterozoic Eons are currently all lumped together and they are all called/referred to as the Precambrian

How are globes used?

Answers

Answer:

Globes are used to look at places, without a device. You can think of a globe as a map of the world wrapped up into a ball. If you wanted to look at the United States, you could twist the globe, and see it, and surrounding places like Canada or South America.

In a different case, they are used for school geography. The students are asked to find a place and point to it on the globe.

Although we think of land when we hear the word biome, there are also aquatic biomes. The abiotic factors that
influence life forms vary with location within ocean systems. Oceanographers divide the ocean into five broad
vertical zones as seen in the chart above. Compare the abiotic characteristics of the five zones.
Although we think of land when we hear the word biome, there are also aquatic biomes. The abiotic factors that
influence life forms vary with location in the ocean. Oceanographers divide the ocean into five broad vertical zones as
seen in the chart. Compare the abiotic characteristics of the five ocean zones. Which of these conclusions about life
forms found in the zones is supported by the information in the chart?
)
A)
Because of the severe abiotic conditions, there are no life forms found in
the hadalpelagic zone.
B)
The epipelagic zone is the only zone of the five zones where visible light
and algae can be found.
The mesopelagic zone hosts a diverse zooplankton community instead of a
phytoplankton or algae community and virtually no fish species.
Because there is no light in the abyssal zone, organisms feed on each other
or the dead organic material, detritus, that falls into the abyssal zone from
above.
D)

Answers

Answer:

B)   The epipelagic zone is the only zone of the five zones where visible light  and algae can be found.

Explanation:

A mesopelagic region has many different types of fish inhabit this twilight zone.

There are several organisms in the hadalpelagic zone.

The "abyssal zone" issue is meaningless because fish feed in all zones.

Which object forms when a supergiant explodes?

Answers

Answer:

A neutron star

The process of this explosion is called super nova i think. The substances remains creates this "neutron star"

Answer:

Explanation:

When a supergiant runs out of fuel it can explode suddenly. This explosion is called a supernova after a supernova some material expands into space to form other nebulas. After a super giant explodes some material is left behind. This material may form a neutron star.

what is the cicle of our organs

Answers

Answer:

S I

Explanation:

Espero ehbetraea  daodyu

In the nucleus, _______ tell cells what to do and how to change.

Answers

Answer: genetic material or DNA

Explanation

The genetic material of the nucleus is like a set of instructions.These instructions tell the cell how to build molecules needed for the cell to function properly. That is, the DNA tells the cell how to build molecules needed for life.

Which of the following is objective ?
(select all that apply)
A. Opinion
B. Data
C. Fact

Answers

Answer:

Hi Friend! The Answer Is Option C

Objective means someone or something that is without bias

Explanation:

the difference between these two important ideas is the difference between fact and opinion. Facts are objective and opinions are subjective ideas held by individuals and so are always biased. ... This is presented as an objective fact but is clearly a subjective opinion.

Animals consume plants, taking in carbon in the form of glucose. They make through the process of

Answers

Answer:

photosynthesis if I'm not mistaken


The variety of organisms within an ecosystem is characteristic of which type of diversity?
Genetic diversity

Ecosystem diversity

Species diversity

Regional diversity


Answers

Answer:

Genetic diversity

Explanation:

The answer is the first one hope this helps

what name is given to bacteria that can cause an infection?

Answers

Ecoli, staphylococcus, streptococcus or strep

1. Write the order of the steps in the scientific method (you should have 7
steps):

Answers

Answer:

Ask a question

preform research

establish your hypothesis

test your hypothesis

make an observation

analyze results and draw a conclusion

present the findings

When people run quickly, they can sweat profusely. Their muscles undergo movement, and the loss of energy takes place. Based on this description, in which two ways is energy conserved when people run?
Heat energy is released from the body to the surroundings.
Heat energy is taken from the surroundings to the body.
Chemical energy is converted to mechanical energy that’s used for muscle movements.
Radiant energy is converted to mechanical energy that’s used for muscle movements.
Heat energy is converted to mechanical energy that’s used for muscle movements.

Answers

Answer:

Heat energy is released from the body to the surroundings.

Heat energy is converted to mechanical energy that’s used for muscle movements

Explanation:

Heat energy is released from the body to the surroundings.

Show the relationship between the glacier flood and glacier lake outburst?​

Answers

Answer:

A glacial lake outburst flood (GLOF) is a type of outburst flood caused by the failure of a dam containing a glacial lake. An event similar to a GLOF, where a body of water contained by a glacier melts or overflows the glacier, is called a jökulhlaup. The dam can consist of glacier ice or a terminal moraine.

A scientist sets up an experiment to see how colored lights affect the height of plant growth. He grows one group of plants in full sunlight, one group under red lights, one group under blue lights, and one group under green lights. All the plants are exactly that same type and all receive an equal intensity (brightness) of light. At the end of the experiment he measures all the plants. What is the dependent variable?
A) The intensity of the light
B) The color of the light
C) The height of the plant
D) Sunlight

Answers

Answer:

C) The height of the plant

Explanation:

Dependent variable - is the variable that can not be manipulated and the one that's being observed.

[tex]\tt{ \green{P} \orange{s} \red{y} \blue{x} \pink{c} \purple{h} \green{i} e}[/tex]

1. Explain why bacteria able to survive in almost any environment.

Answers

I believe this is because they are one cell organisms at a constant homeostasis

Explanation:

because the bacteria is evolve so quickly that they can even adapt to use crude oil like some insect

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