Answer:
Differentiation creates specialized cells from stem cells
Explanation:
Stem cells refers to the undifferentiated cells that are capable of repeated cell division. During each division in stem cell, at least one of the daughter cells usually remains a stem cell. The rest of the newly formed daughter cells differentiate as a specific cell type.
Example: Stem cells present in bone marrow of human give rise to red blood cells, white blood cells and platelets.
Stem cells are unique cells that can differentiate into specialized cells and have the ability to self-renew, maintaining the stem cell population. They occur in different stages of human life and types, offering potential treatment for various diseases and cell-based therapies.
Explanation:The best description of stem cells is the one that states differentiation creates specialized cells from stem cells. Stem cells are unique cells that can differentiate into specialized cell types and also self-renew to maintain the stem cell population. They exist in different types, including embryonic stem cells (pluripotent), adult stem cells (multipotent), and induced pluripotent stem cells (reprogrammed to function like embryonic stem cells). They are extensively used in research and potential therapeutic applications to replace damaged or destroyed cells or tissues.
Stem cells are distinct for their ability to divide and regenerate new stem cells instead of further specializing, a process known as self-renewal. This property enables stem cells to be a potential treatment for diseases such as diabetes, and heart disease and could be utilized in cell-based therapies.
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What is the smallest particle representing water?
A.Hydrogen Atom
B.Molecule
C.Diatomic Oxygen
D.Oxygen Atom
Answer:
b . molecule
Explanation:
The smallest particle of water is 'molecule'.
What does it mean if a form of energy appears over the arrow in a chemical reaction?
Explain what feeding behaviors shown make a food web a better choice for displaying this information than an energy pyramid
This reflects the relationship of organisms to each other in a habitat, rather than to a small segment like a food chain.
What is an Energy pyramid?An ecological pyramid is defined as a graphical representation designed to show biomass or bio-productivity at each trophic level in a given ecosystem.
Energy pyramids only show the transfer of energy from one trophic level to another not the organisms and their food, so the biggest limitation of energy pyramids is that they are not applicable to food webs. They only apply to food chains.
Energy pyramids are conserved for only one range and restrict the feeding behavior to the source of energy of the organism which stated for food webs, they show a link between several organisms and a source of energy.
Thus, this reflects the relationship of organisms to each other in a habitat, rather than to a small segment like a food chain.
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When the DNA begin to coil and condense, the cell is in _____
The right answer is G2 phase, in order to prepare itself for the M phase.
Phase G2 is a short phase (3 to 4 hours) that starts as soon as replication is enabled; the cell is diploid.
SMC (Structural Maintenance of Chromosomes) Proteins: Condense chromatin = a kind of motor that causes the coil of chromatin.
Histones H1 (internucleosomal histones) are also involved in this condensation.
Wetlands support a large number of animal species. Chemical weed killers are dumped into this wetland and the aquatic plants are killed. We should expect ___________________ to be affected by the death of the plants.\
Answer: all the animals in and around the wetlands
The correct answer for the blank is animals.
The producers are always the green plants and in case of wetlands the primary producers are the aquatic plants.
The aquatic plants present in the wetland are the producers of the ecosystem present in wetland.
If we will remove the producers from the ecosystem then, all the consumers(animals) will die.
Explain how sunlight is the primary source of energy for your own life.
The significant energy intake, especially by the sun, supports the living mechanism or phase. A further explanation is below.
Sunlight permits the utilization of photosynthetic activity for vegetation, algae as well as proteobacteria just to transform or synthesize carbon as well as water into biological substances such as sugars.This same mechanism seems to be a key bio-material primary source throughout the environment or the whole ecosystem.Learn more about sunlight here:
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what would happen to a plant cell that suddenly lost its chloroplast
what organelle seperates the cell contents from the enviroment
Non Example of phospholipids
Which organic molecule is part of an enzyme
An enzyme includes an organic molecule known as a coenzyme, which enhances the enzyme's function. Coenzymes are organic helper molecules that are typically derived from vitamins. Coenzymes and cofactors, such as metal ions, are essential for the optimal activity of enzymes.
Explanation:The organic molecule that is part of an enzyme is known as a coenzyme. Coenzymes are organic helper molecules made up of carbon and hydrogen, and they play a critical role in the function and regulation of enzymes. They are often derived from dietary vitamins and participate in reactions without being changed themselves, essentially serving to increase enzyme efficacy, selectivity, and specificity. Enzymes may also require inorganic ions known as cofactors to function optimally. These inorganic ions, such as iron (Fe++) and magnesium (Mg++), help stabilize enzyme conformation. An example is the enzyme DNA polymerase, which requires a bound zinc ion (Zn++) as a cofactor to function properly.
Identify one organism that is not extinct?
What are hot spots caused by?
A. volcanoes
B. Divergent plate boundaries
C. Mantle plumes
D. Subduction Zones
what kind of consumer is a grass carp
Ramona and her family agree that what got Ramona through law school is what got her through obstacles all her life: her belief in her ability to succeed even when things are tough. Which part of the social cognitive theory addresses this view on Ramona’s successes in life?
A.
observational learning
B.
reciprocal determinism
C.
self-efficacy
D.
response tendency
Answer:
c
Explanation:
Which statement is true about a liquid but not a gas? Question 7 options:
A. It has more internal energy than the solid state.
B. It has close to a constant volume as pressure is applied to it.
C. It allows particle to move past each other relatively easily.
D. It will change shape and take the shape of its container.
the answer is D on usatestprep
The right option is; D. It will change shape and take the shape of its container.
Liquid is one of the states of matter and is composed of molecules that are held together by intermolecular bonds. Liquid has a fixed volume, but it does not have a fixed shape. It takes the shape of its container. The density of a liquid is influenced by pressure, and it has surface tension.
The number of possible genetically different gametes for an organism equals 2N, where N is the number of pairs of chromosomes. If an organism has 5 pairs of chromosomes, how many different gametes can it produce?
Answer:
The answer is 2^5 = 32
Explanation:
have a nice day.
Which item is the best example of a wheel and axle?
A.
automobile engine
B.
door knob mechanism
C.
bicycle
D.
telescope
You are looking at tissue under a microscope. One cell shows half the amount of DNA of some of the other cells. This cell is most likely to be in which phase of the cell cycle?
a? b? c? or d?
whats the difference between a heterogeneous and homogeneous mixture
The terms heterogeneous and homogeneous refer to mixtures of materials in chemistry. The difference between heterogeneous and homogeneous mixtures is the degree at which the materials are mixed together and the uniformity of their composition.
A homogeneous mixture is a mixture where the components that make up the mixture are uniformly distributed throughout the mixture. The composition of the mixture is the same throughout.
There is only one phase of matter observed in a homogeneous mixture.
You can't pick out components of a homogeneous mixture or use a simple mechanical means to separate them. You can't see individual chemicals or ingredients in this type of mixture. Only one phase of matter is present in a homogeneous mixture.
A heterogeneous mixture is a mixture where the components of the mixture are not uniform or have localized regions with different properties. Different samples from the mixture are not identical to each other. There are always two or more phases in a heterogeneous mixture, where you can identify a region with properties that are distinct from those of another region, even if they are the same state of matter (e.g., liquid, solid).
Usually, it's possible to physically separate components of a heterogeneous mixture. For example, you can centrifuge (spin out) solid blood cells to separate them from the plasma of blood. You can remove ice cubes from soda. You can separate candies according to color.
primary and secondary air pollutants can coexist in the atmosphere
true or false
What is scientific consensus
Answer:
In science a theory is said to be valid when there is a true scientific consensus, it cannot be judged only based on intuition, faith or authoritarianism of any kind.
This consensus is created in the scientific community based on its empirical, experimental and conceptual logic.
The scientific consensus accepts the veracity of theories from the repetition of tests under the same conditions and theoretical assumptions.
I need help please. (30 points
The rungs or steps of DNA are made up of ____ which are attached to the sides or railings of DNA, which are made up of ___.
Answer: The steps are made of nitrogenous bases; deoxyribose sugars linked with phosphates.
Explanation: The rungs of the DNA are made of nitogenous bases (The nitrogenous bases are adenine (A), thymine (T), guanine (G) and cytosine (C) ) they are held together by weak hydrogen bonds.
The railings of the DNA are made of deoxyribose sugars which are alternating with phosphates. This part of the molecule is referred to as the "backbone".
Answer: The steps are made of nitrogenous bases; deoxyribose sugars linked with phosphates.
HELP Write a paragraph as if you are a particle of digested food that will be excreted as feces. Start in the large intestine and finish as the feces leaves the body.
What allows Nancy to run without watching her feet and hit a baseball without focusing on the bat ?
Nancy's ability to run without watching her feet and hit a baseball without focusing on the bat is due to proprioception. It is a biological sense that allows perception of the location and movement of our body parts in space, enabling people to perform tasks without consciously focusing on them.
Explanation:The ability of Nancy to perform these tasks without consciously focusing on them can be attributed to a concept in biology known as proprioception. Proprioception is the sense that lets us perceive the location, movement, and action of our bodies and its parts in space, even without looking at them. It's what allows us to do things like touch our nose with our eyes closed, run without watching our feet, or hit a baseball without focusing on the bat. When Nancy runs or swings a bat, her body is sending continuous feedback to her brain regarding the position and movement of her limbs and muscles. This feedback, interpreted by the brain, enables her to adjust her movements and perform the desired action even without consciously focusing on it.
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How might a theory relate to a model
In terms of energy, what is the difference between glucose and ATP?
Glucose is a monosaccharide whereas ATP is energy carrying molecule.
Glucose is a monosaccharide which is made of six carbons while on the other hand, adenosine triphosphate (ATP) is energy carrying molecule which is formed from phosphate which releases energy that is used by the body for doing various activities.
Glucose is used by the mitochondria of the cell where it can be broken down in order to release energy in the form of ATP molecules that can be used by the cells for different activities.
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During the Cambrian explosion that began the Paleozoic era, the new many forms of life that evolved....
A.Lived on land
B.Were invertebrates that lived in the sea
C. Were vertebrates covered with scales or fur
D. Were single celled
Please Help Me!!
Answer:
The answer is B
Explanation:
I got it right on the quiz
Hope it helps
Carbon Dioxide and____________ are outputs of cellular respiration.
A. water
B. nucleic acids
C. energy
D. respiration
which stage of the scientific process enables a scientist to check the work of another scientist?
Answer:
Peer review
Explanation:
It provides veracity to the already drawn conclusion of the scientific investigation before a report is publicly published in scientific journals. Other scientists can replicate the experiment to see whether they lead to the same conclusions. This ensures that the information is reliable to be cited or even built upon by other scientists.