Answers
Answer:
Mitosis is a division of a eukaryotic cell in which the chromosomes are evenly distributed among the daughter cells.
In multicellular organisms, both sexual and asexual reproduction is followed by cell division, which ensures the growth and development of the organism. In addition, cell division is necessary to replace dead cells and repair injuries. New cells are constantly being added and old ones are being destroyed. About a hundred thousand more cells are created every second, and of course the same number dies. The new cells start with the division of the source cell. The cells formed in this way are called daughter cells. Stem cells can gradually divide into all the different cells in the body through mitosis.
Most of the body's cells are constantly renewed by mitosis, but there are also so-called irreplaceable cells that are formed only once in a lifetime for the life of the organism and do not regenerate by mitosis.
Related Questions
Definition: This is the structure in the cell nucleus that houses a celo's genetic information
Answers
Answer:
Explanation:
This is the the theory that describes protein building in this order: DNA to RNA to protein. Protein is never back-translated to RNA or DNA; DNA is never directly translated to protein. Chromosome. This is the structure in the cell nucleus that houses a cell's genetic information.
what is the balance between heat produce and heat lost in the body
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Answer: Body temperature is the balance between heat produced in the body and heat loss from the body. Heat Production Heat Loss = Body Temperature.
Explanation:
Answer:it’s
The letter A
Explanation:
if the cell is not to divide, at which checkpoint will the cycle stop and move into a resting phase?
Answers
G1 checkpoint is the correct answer
If cells don't pass the G1 checkpoint, they may "loop out" of the cell cycle and into a resting state called G0, from which they may subsequently re-enter G1 under the appropriate conditions.
A baseball in motion is acted upon by four directional forces as shown
What must be true of the forces for the baseball to continue to move in the same direction with the same speed?
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Answer:what is the answer
Explanation:
Please do...
It's only 4 questions
Answers
Answer:
1) Genetic variation can be caused by a mutation
2)the action or process of mutating.
3)Predators of the peppered moth include flycatchers, nuthatches, and the European robin.
4)they would be eaten by birds because they were easier to see.
Explanation:
4. Why was Wegener's theory of continental drift almost completely discarded?
1)It didn't explain how mountains formed.
2)It didn't explain how continents fit together.
3)It didn't have a mechanism for how drift occurred.
4)It wasn't supported by fossil evidence.
Answers
Answer:
It didn’t have a mechanism for how drift occurred.
Explanation:
He couldn't explain the mechanism behind the movement of the Earth's continents.
Wegener's theory of continental drift was almost completely discarded because it didn't have a mechanism for how drift occurred (Option 3).
What is continental drift?The theory of continental drift was proposed by Alfred Wegener to explain the current position of the continents.
According to this theory (continental drift), continents once formed a super landmass called Pangea.In conclusion, Wegener's theory of continental drift was almost completely discarded because it didn't have a mechanism for how drift occurred (Option 3).
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Describe the major plant tissues in terms of their cell specificities , locations and functions
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Answer:
Plants have three basic types of tissues: The fundamental tissues are the plant tissues responsible for nutrition. They are found in all plant organs and are made up of living cells with large vacuoles. The epidermal tissue is the one that covers the roots, stems, leaves and other organs of plants. It is a thick layer with flattened and attached cells. It is lined with a wax-like lipid-rich cuticle that prevents water loss. Conductive tissues make up the vascular system of the plant. They are made up of specialized transfer cells.
Explanation:
The fundamental tissue comprises the main part of the body of the plant. Parenchymal cells (the most abundant), cholenchymal and sclerenchymal cells constitute the fundamental tissues. The cells of the parenchyma located in leaves, stem and root; responsible for photosynthesis or storing substances. Collenchyma cells also form this type of tissue, and their function is to support the stems of herbaceous plants. Sclerenchyma cells have cellulose primary and secondary walls, providing great rigidity and firmness, which is why it is only found in woody plants.The epidermal tissue covers the external surfaces of herbaceous plants, it is composed of tightly united epidermal cells that secrete a layer formed by cutin and waxes called cuticle that prevents the loss of water. Stomata, trichomes and other types of specializations can be seen in it.Vascular tissue, xylem and phloem, are made up of parenchymal cells that store food and water, as well as conduction cells and supporting fibers. Phloem conduction cells transport the products of photosynthesis, mainly sucrose, from leaves to non-photosynthetic cells; xylem cells carry water and minerals from the roots to other parts of the plant.
William calculated the density for 5 samples of tap water. The volume of each sample is shown in Table A. When he measured the mass and calculated the density of each sample, what should he have found?
A The largest volume of water had the largest density.
B The smallest volume of water had the largest density.
C All samples of water had the same density.
D The densities of the samples do not depend on the volume.
Answers
Answer: I think it is B
Explanation:
True or False, a Scavenger can be an herbivore
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During the light dependent reaction of photosynthesis, light energy is converted to the energy currency of ALL cells. This energy-carrying molecule is needed to produce glucose. This molecule is
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Answer:
ATP stands for Adenosine Triphosphate which is known as the energy currency of the cell. It is produced during the light-dependent reactions of photosynthesis and gets used up during the light-independent reaction or the Calvin cycle in order to produce food for the plants which is glucose( gets stored as starch).
A virus has entered your body through the air. You are coughing, and have a runny nose, and are running fever. 1. Idenitify the stimulus and your body's response. 2. What is the main body system involved in this response?
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Answer:
nervous system and hormones
what type of lipid adds extra flexibility to the cell membranes?
Answers
Answer:
phospholipids I think so if it's right u welcome and if not than sorry but I think it's right ;)
Answer:
The answer is Phospholipids
The verb concentrate means “gather” or “collect.” The suffix -ion, used to form nouns, means “state” or “condition.” Use this information to define the noun concentration.
Answers
Answer:
noun concentration means the process of People directing effort and attention in a particular thing.
Explanation:
forexample
he stressed the need for greater concentration on environment issues.
The word concentration denotes the act of gathering or collecting something. It is formed from the verb concentrate and the suffix- ion.
Thus, it denotes the action of concentrating a material, energy, or attention in a particular area or at a greater level. Concentration may be used to describe a variety of things, including the density of a material, the amount of focus or attention paid to an activity or issue.
The percentage of a certain ingredient in a combination, or the gathering of resources or people in a certain region. In general, concentration refers to the process of amplifying, concentrating, or collecting materials or forces in a certain situation.
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Describe the sun’s role in the sustainability of the Earth’s environment.
Answers
Without the sun, most/all life would cease to exist, especially once depending on light energy from the sun like plants, forming the bases of life.
Explanation:
Plant (producers) use light energy to photosynthesis, producing the energy or food other herbivores (plus, our primary&secondary consumers) dependant upon, to survive; then, they get preyed upon (by our tertiary consumers) - structuring the food chain as we all know of. Hence, sustaining life/ living organisms on earth, for generations to come.
Thus, all life on earth as we know it, basically, won't exist. Abiotic factors are the one's to live a happy ever after. There are non-living, once that don't undergo cellular respiration like us humans, e.g., rocks don't respire.
Anyways the sun is a star, one day (millions to billions years onwards) it's predicted to engulf our earth, when transitioning to become a red giant. So, it might not sustain earth forever.
Don't panic, you won't live to experience this! How fantastic does this sounds?
Hope this helps!
What percentage of the atmosphere is made up of greenhouse gases like carbon
dioxide, water vapor, and methane?
Helppp
Answers
Answer: Nitrogen accounts for 78% of the atmosphere, oxygen 21% and argon 0.9%. Gases like carbon dioxide, nitrous oxides, methane, and ozone are trace gases that account for about a tenth of one percent of the atmosphere.
Explanation:
The most common and important greenhouse gases are carbon dioxide (9–26%), water vapor (36–72%) and methane (4–9%).
What are greenhouse gases?It is the gaseous component of the atmosphere that absorbs and emits radiation at certain wavelengths of radiation emitted by the Earth's surface.
Water vapor, carbon dioxide (CO2), methane are therefore known as greenhouse gases due to they produce a heating effect similar to that which occurs in a greenhouse, with a rise in temperature.
Therefore, we can conclude that the most common and important greenhouse gases are carbon dioxide (9–26%), water vapor (36–72%) and methane (4–9%).
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1.I was invented in the 1960s.
2.I am well known for the light I produce.
3.My light is monochromatic and coherent.
4.It has high intensity and low divergence.
5.Because of these properties, It is used in cutters, DVD player and surgery.
So who am I?
Answers
Answer:
Laser
Explanation:
The properties and description given fits precisely that of a laser.
It was invented in May 1960 by Theodore Maiman.
LASER = Light Amplification by Stimulated Emission Radiation.
It a monochromatic and coherent lightLaser is used in cutters, DVD players and for performing surgeries. Some equipment also use laser to take certain measurements. They are distinguished by the lasing materials used to produce them.True or False?
"Scientists use ice cores to directly measure past climates"
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Answer:true
Explanation:
True
True
True
True
True
In soccer, players kick a soccer ball
across a flat field. At practice one day,
three soccer balls that have the same
mass were rolling across the field. They
were each kicked by a soccer player,
but not from the same direction. Each
soccer ball changed speed as a result of
being kicked. Use the information in
the diagram to answer. Which soccer
ball(s) experienced the strongest force
when it was kicked? How do
you
know?
Answers
Which of the following are functions or roles of genetic counselors? Check all that apply.
Educate clients about coping strategies.
Educate clients about specific disorders.
Collect and discuss the client’s family history.
List options for treatment and recommend the best option.
Provide information on possible treatments for infertile couples.
Provide long-term counseling to address a client’s psychological needs.
Educate parents so they can make informed decisions about fetal intervention and therapy.
Answer is A)B)C)E)G
Answers
the answers are
A)
B)
C)
E)
G)
Answer:
A
B
C
E
G
Explanation:
HELP PLEASE ITS TIMED!
Answers
Answer:
Molecule
Explanation:
Glucose isn't living so it can't be an organelle or tissue. Glucose has carbon atoms in it.
Hope this helped :)
Select if the example is of weather or climate... *
Minneapolis being cold and snowy in the winter
Louisville having a thunderstorm in August
Louisville getting some snow on December 24th
Miami being hot and humid in the summer
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Answer:
1. climate
2. weather
3. weather
4. climate
True or False: Sand looks and feels the same wherever you go.
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Answer:
false probably if I'm wrong kill me lol
Need Help ASAP Ill give brainliest Plz HELP!
Answers
Answer:
1. Nucleus
2. atom
3. electrons
4. ion
5. neutron
6. Proton
7. isotopes
Explanation:
A hawk building its nest on an arm of a saguaro cactus is a sign of?
A. commensalism
B. mutualism
C. paraitism
D. predation
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This because the cactus now has mutual partnership with the hawk. The hawk gains protection of its nest because of the thorns on the cactus, and the cactus can benefit by the hawk and its young defacating near the cactus and on it to provide nutrients and act as a form of fertilizer
Look at the diagram. Seed 1 dispersed by the ______. Which one word completes the sentence
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Seed 1 dispersed by the wind and water.
Why are seeds dispersed?Dispersal of seeds is very important for the survival of plant species. If plants grow too closely together, they have to compete for light, water and nutrients from the soil. Seed dispersal allows plants to spread out from a wide area and avoid competing with one another for the same resources.
Wind, water, gravity, ballistic (where the seeds are ejected by forceful and often explosive mechanisms) and animals are the main ways seeds are dispersed.
Drop and roll – the casing of the fruits from trees, such as horse chestnut, split when they land on the ground. On impact the fruit then rolls away from the tree.
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help plsssssssssssssssss Which weather event is most likely to occur if there are warmer than average ocean waters in the Pacific?
1 option choice
a Flooding in the southern United States due to El Niño
b Drought in the southern United States due to La Niña
c Wet conditions in the Pacific Northwest due to El Niño
d Weak trade winds due to La Niña
Answers
Answer:
a Flooding in the southern United States due to El Niño
Explanation:
A horse's cells carry out many processes at once. Some cells are involved in growing fur and some are involved in muscle contraction.
Which sentence describes how cells continue to carry out their many processes?
New cells are always being made from old ones in the process of meiosis.
Cells contain genes from two individuals, and the combination of genes result in genetic variation
The phospholipid bilayer of the cell membrane is selectively permeable.
Cells are constantly converting the energy from glucose into usable energy in the form of ATP
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Answer:
Cells are constantly converting the energy from glucose into usable energy in the form of ATP.
Explanation:
22. Of the following bases, which one is not found in DNA?
I need help ASAP
Answers
Answer:
We need the answer choices then ill change my response
Explanation:
Why do chromosomes in body cells exist in pairs?
OA.
because chromosomes group together to fit into the small space of a cell
ОВ.
because each parent contributes one of each type of chromosome to its offspring
OC.
because chromosomes from one parent must remain separate from those of the other
OD.
because each chromosome is duplicated when an organism is born
Answers
Answer:
B
Explanation:
Each chromosome comes from each parent during reproduction/sex
what are chromosomes?
A. Strands of DNA wrapped around proteins
B. A form of virus that infects cells
C. Any organism that contains DNA
D. The alleles that cause certain traits
Answers
Answer:
A?
Explanation:
a
I believe the answer is A. Strands of DNA wrapped around proteins.