Cells that can differentiate into any cell type in an organism are referred to as pluripotent cells.
What is Pluripotent stem cells?
Pluripotent stem cells are cells that have the ability to self-renew by splitting and growing into the three immediate germ cell layers of the earlier embryo.
Hence into all cells of the grown-up body, but not extra-embryonic tissues such as the placenta.
Thus, pluripotent cells are Cells that can differentiate into any cell type in an organism.
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What characteristic do all protozoa display?
autotrophic
immobile
vertebrate
eukaryotic
The characteristic that all protozoans display is their eukaryotic nature. Thus, the correct option for this question is D.
What do you mean by Protozoans?Protozoans may be defined as single-celled microscopic organisms that significantly belong to the kingdom of Protista. These organisms are eukaryotic in nature, and hence they have a true and membrane-bound nucleus in order to function properly.
Some protozoans are definitely attached to the substrate or construct cysts. So, they do not migrate around. But some protozoans have the capability to move around at some stages in their life cycles mostly after the cell division.
So, option B is eliminated. Protozoans are heterotrophic as well. They use organic carbon as a source of energy. So, option A is eliminated.
Therefore, the characteristic that all protozoans display is their eukaryotic nature. Thus, the correct option for this question is D.
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Answer:
immobile
Explanation:
Immobile is correct
What is one property of a senescent cell?(1 point)
It can no longer divide.
It can grow and divide rapidly.
It can live for a very long time.
It can no longer be replaced.
What is one property of a senescent cell:
~It can no longer be replaced
Hope this helped you- have a good day bro cya)
One property of a senescent cell is that it can no longer divide.
Senescent cells are cells which help in tissue development in an embryo and also helps to promote healing of injuries.
These cells however exhibit a very a large lysosomal activity which destroys
vital components in the molecules . This thereby prevents the senescent
cells from not being able to divide.
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An amoeba that lives in salt water does not have a contractile vacuole to do so.
Explain observations.
Answer:
what do we call a mutation that involves one or just a few nucleotides
Please fill in!!
a. ATP
b. Light energy
C. C02
d. 02
e. Carbohydrate
f. Water
Would greatly appreciate if you answered like this:
18: ATP
19: etc..
18. b
19. c
20. f
21. e
22. d
23. c
24. f
25. a
I need help writing an essay on pollution can anyone help me! I'll give you the Brainliest answer!! I really need help! It can be any topic of pollutions
like firecrackers, greenhouse affect etc...
Answer:
bok choy
Explanation:
bok choy is causing pollution
brainly plz
Answer:
hehe i just finished answer a question about pollution sooo here you go :) this is just an example and not a full essay I recommend adding more evidence!! (please write in your own words)
Pollution has been a problem for over 2,000 years now. There are many things that are causing pollution. For example firecrackers!
Using firecrackers can be very dangerous not just for us, but the environment as well. Firing crackers can increase the concentration of dust and pollutants in the air. After firing, the fine dust particles settle on the surrounding surfaces which are packed with chemicals like copper, zinc, sodium, and lead. Now you may think oh so it's bad for the air so what? If the air is polluted, trees and plants that give us oxygen can't do their job. If they can't do their job we can't breathe or live. Most of the chemicals that are bad for the air are in firecrackers. These chemicals can last for hours or days on end, exposing you and your neighbors to possible long-term health problems. Then fireworks also have the potential of starting wildfires. About 7,500 to 10,600 trees were burnt down (10% to 14% of trees) in California alone due to wildfires. About 19,500 trees were burnt down just from fireworks.
give example on substitutions for frieworks. I would recommend adding more information about how the chemicals in the firecrackers are dangerous for the air. Since I didn't go into full enough details (if you don't you might get marked down for not having enough details or evidence)
houses nasal conchae to enhance turbulence for filtering air
Answer:
Houses nasal conchae to enhance turbulence for filtering air. larynx. Prevents food and liquid from entering the rest of the respiratory tract.
Explanation:
Houses nasal conchae to enhance turbulence for filtering air through nasal cavity. Hence, the correct option is A.
What is nasal cavity?It is a large air filled space within the nose and is part of the respiratory system. It is lined by an inner thin layer of moist mucous membrane which helps to humidify and filter the air as it is breathed in.
The nasal cavity is divided into two parts-the right and left nasal cavities, separated by a thin bony wall called septum. It is involved in the sense of smell, as small receptors located in the mucous membrane of the nasal cavity are responsible for detecting different odors.
Overall, the nasal cavity is a crucial part of the respiratory system and plays an important role in protecting the body from inhaled irritants, facilitating the sense of smell. Hence, the correct option is A.
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The question is incomplete, but most probably your complete question is,
Houses nasal conchae to enhance turbulence for filtering air:
a) nasal cavity
b) larynx
c) trachea
d) pharynx
Directions: determine if the statement is true or false. If false, correct the statement to be true.
1. true
2. true
3. false
4. false
5. true
Explanation:
maaf kalau salah
4. Which biomolecule is primarily responsible for storing energy?
C, protein
D. carbohydrate
A. lipid
B. nucleic acid
Answer:
D
Explanation:
any of a large group of organic compounds occurring in foods and living tissues and including sugars, starch, and cellulose. They contain hydrogen and oxygen in the same ratio as water (2:1) and typically can be broken down to release energy in the animal body.
Please answer 16 points !!
Answer:
fisrt one is the answer most likely
The term that describes when an enzyme loses shape and function.
Answer:
Denature
Explanation:
Denature
Answer:
A substance that speeds up a chemical reaction—without being a reactant—is called a catalyst. The catalysts for biochemical reactions that happen in living organisms are called enzymes. Enzymes are usually proteins, though some ribonucleic acid (RNA) molecules act as enzymes too.
ExplanatioEnzymes perform the critical task of lowering a reaction's activation energy—that is, the amount of energy that must be put in for the reaction to begin. Enzymes work by binding to reactant molecules and holding them in such a way that the chemical bond-breaking and bond-forming processes take place more readily.
Reaction coordinate diagram showing the course of a reaction with and without a catalyst. With the catalyst, the activation energy is lower than without. However, the catalyst does not change the ∆G for the reaction.
Active sites and substrate specificity
To catalyze a reaction, an enzyme will grab on (bind) to one or more reactant molecules. These molecules are the enzyme's substrates.
In some reactions, one substrate is broken down into multiple products. In others, two substrates come together to create one larger molecule or to swap pieces. In fact, whatever type of biological reaction you can think of, there is probably an enzyme to speed it up!
The part of the enzyme where the substrate binds is called the active site (since that’s where the catalytic “action” happens
Why did he wear safety glasses?
Answer:
to keep you protect from dust or anything that can damage his eye
please help me with this :((
Answer:
periodic table of elements luv
Explanation:
Answer:
Periodic table of elements
Explanation:
where does combustion take place in a coal-burning power plant?
Answer:
Boiler
Explanation:
The pulverized coal is then put into a boiler, where combustion occurs and the coal provides heat to a power plant. This heat is transferred to pipes containing very high pressured water, which boils to steam.
what is the primary pigment that makes leaves green in land plants?
Chlorophyll is the primary pigment that makes leaves green in land plants, by absorbing red and blue light.
What is chlorophyll?It is a pigment present in the plant leaves, through which plant leaves apers green in observation, it plays several roles in the plants other than the green appearance of the leaves.
During photosynthesis, this chlorophyll pigment is responsible to form reaction center through which light is absorbed and leads to a process through which light converts into chemical energy for the synthesis of food.
It is present in the chloroplast, which is the site of photosynthesis, and provides the necessary components for plant food synthesis.
Therefore, the primary pigment that makes leaves green in land plants is known as chlorophyll.
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Drag the tiles to the correct boxes to form correct pairs. Not all tiles will be used.
Match each example given to the type of scientific concept.
For every action or force
in nature, there is an equal
and opposite reaction.
arrowBoth
The outer layer of the Earth is
divided into plates that move
due to convection currents
under the surface.
arrowBoth
If the amount of daylight
increases plant growth, then
plants will have higher rates
of growth during the summer.
theory
law
observation
hypothesis
Answer:
For every action or force in nature, there is an equal and opposite reaction. ⇒ lawThe outer layer of the Earth is divided into plates that move due to convection currents under the surface. ⇒ theoryIf the amount of daylight increases plant growth, then plants will have higher rates of growth during the summer .⇒ hypothesisExplanation:
Why is nitrogen a vital element to biotic factors?
18. What are the five muscles that form a box to control the wrist?
en las imagenes te digo
A cell wall is ___ found in plant cells
Which of these best describes a climax community?
a. a forest of hardwood trees
b. a mixture of pine trees and oak trees
c. trees that are all mature
d. depends on the biome
Answer: It would be
D) Depends on the biome
i hope this helps :)
Explain how fitness can change the allele frequency of a population. PLZ no link
Answer:
Natural selection can cause microevolution (change in allele frequencies).
Explanation:
With fitness-increasing alleles becoming more common in the population.
Fitness can affect the survival and reproduction rates of individuals with different alleles, leading to differential contribution to the next generation and changes in the frequency of these alleles in the population.
What is fitness?Fitness is a measure of the reproductive success of an individual within a population. The fittest individuals are those that are most successful at passing their genes on to the next generation. When the environment changes, the selective pressures on a population also change. This can lead to changes in the relative fitness of different individuals, and thus changes in the allele frequencies of a population over time.
For example, if a population of birds lives on an island with small seeds, those birds with small beaks may be more fit than those with larger beaks. This is because they are better adapted to the environment and can more easily obtain food. Over time, the frequency of the small-beaked allele will increase in the population, while the frequency of the large-beaked allele will decrease.
Thus, fitness can drive changes in the allele frequency of a population over time by favoring those individuals with alleles that are better adapted to the environment.
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De donde proviene el oxigeno que se libera durante la fotosintesis
Answer:
Sorry i dont know
Explanation:
Is the pelvic girdle part of the axial or appendicular skeletal system?
Answer:
b. Appendicular
Explanation:
Answer:
B
Explanation:
Plato Anatomy 2.3 content quiz
Can someone please help me and not just for points
Answer:Proteins
Explanation: Stopid
Patulong poooo G11 only
Answer:
cool
Explanation:
Why is sustainable use of natural resources important?
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The use of resources should be sustainable because many non renewable resources like coal and petroleum can be exhausted if they are over exploited.
what is the main difference between a cell nucleus and a nucleoid
which type of energy is stored in chemical compounds and released in chemical reactions
Answer:
A Chemical Energy
Explanation:
Chemical energy, Energy stored in the bonds of chemical compounds. Chemical energy may be released during a chemical reaction, often in the form of heat.
Answer: chemical energy
Explanation: took the test!
Why is mucus and cilia first line defense?
Answer:
the cluos in the cilia
Explanation:
it helps for you
a bacterium has positively supercoiled dna. this is likely because
Answer:
A bacterium has positively supercoiled DNA. This is likely because? A. The bacteria don't normally express their genes. B.
Explanation:
The bacteria normally grow in high temperature condition. So, the correct option is D.
What is Bacteria?Bacteria are defined as tiny, single-celled organisms that are millions of different types of bacteria. Many can be found in and on the body and are beneficial to us. Bacteria lack a membrane-bound nucleus and other internal structures, so they are classified as unicellular life-forms called prokaryotes.
The bacteria in our bodies help break down the food we eat, provide us with nutrients and neutralize toxins that play an essential role in preventing infection by protecting colonized surfaces from invading pathogens.
Thus, the bacteria normally grow in high temperature condition. So, the correct option is D.
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Your question is incomplete, most probably the complete question is:
A bacterium has positively supercoiled DNA. This is likely because
A. It doesn't matter if the supercoiling is positive or negative as long as it compresses the DNA
B. The bacteria need most of their genes to be active
C. The bacteria don't normally express their genes
D. The bacteria normally grow in high temperature condition
What is an argument in favor of using embryonic stem cells over adult stem cells?
A. Embryonic stem cells can differentiate into many more types of cells.
B. Embryonic stem cells are never really living.
C. Adult stem cells cannot be cultured.
D. Adult stem cells reproduce much faster than embryonic stem cells.
Answer:A
Explanation:
The ES cells is pluripotent, and the adult stem cell is unipotent.