In 2012, two scientists were awarded the Nobel prize for their research on stem cells.
They showed that adult cells could be reprogrammed to become cells with the properties of embryonic stem cells.
Describe the possible benefits of this research.
Answer:
Researchers John B. Gurdon and Shinya Yamanaka have been awarded this year's Nobel Prize in Physiology or Medicine for work that has revolutionised cell biology. The Nobel Prize committee awarded the prize, "for the discovery that mature cells can be reprogrammed to become pluripotent".
Good morning! here's the new question.
Q.1) Explain these chemical reaction in one Line:
1)Dopamine-
2)Oxytocin-
3)Serotonin-
Explanation:
Tyrosine is modified by tyrosine hydroxylase to form DOPA.Oxytocin binds to oxytocin receptors in the uterine myometrium, which triggers the G-protein coupled receptor signal transduction cascade that causes increased intracellular calcium concentrations.Serotonin is a result of tryptophan, a component of proteins, combining with tryptophan hydroxylase, a chemical reactor.How long does it take for an embalmed body to decompose?.
Answer:
Explanation:
The embalming … body decomposition timeline 24-72 hours after death — the internal organs decompose. 3-5 days after death — the body starts to bloat and blood containing foam leaks from the mouth and nose. 01/02/2007 · The time for an embalmed body to be reduced to a skeleton varies greatly.
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Neurological injury can result in a variety of abnormal breathing patterns. Predict which structures, when injured, might lead to altered breathing. For each, discuss the type of breathing pattern that might result from the injury.
Injury to the part of the brainstem can dramatically alter breathing patterns.
What is Injury?An injury may be defined as a situation of being injured, hurt, or damaged physically.
The type of breathing pattern that might result from the injury depends on the areas of the brain which affect by severe hurt or damage.
Therefore, it is well described above.
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estions
1. What is selective breeding?
2. Name two characteristics cattle
have been selectively bred for.
3. How can you obtain wheat with
the characteristics you want?
4. The table on the right shows the
characteristics of two chickens,
Kendo and Bibby. If they have
offspring which characteristics
do you think the farmer would
want from each chicken?
Selective breeding is a technique to obtain offspring with desired traits, characteristics of cattle include meat and height, whereas wheat is obtained by crossing high yield plants.
What is Selective breeding?Selective breeding is a human technique used to obtain descendence (either plants or animals) from a given genetic cross.
This technique (selective breeding) is used in agriculture to obtain wheat with higher grain yields.
Two characteristics of cattle that have been human-driven selected include meat and average size (height).
It is possible to obtain wheat with desired features by crossing plants having desired genes (it is an autogamous plant).
The characteristics of the chickens (Kendo and Bibby) are not found here, but it is possible to select desired phenotypes by crossing them and selecting offspring.
In conclusion, selective breeding can be used to obtain offspring from a given genetic cross expressing desired traits.
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The part of earth that contains all life all ecosystems including land water and air/atmosphere
Answer:
The biosphere is made up of the parts of Earth where life exists—all ecosystems. The biosphere extends from the deepest root systems of trees, to the dark environments of ocean trenches, to lush rain forests, high mountaintops, and transition zones like this one, where ocean and terrestrial ecosystems meet.
Explanation:
hope it helps you
Draw the structure of the organic product formed when the given compounds undergo the three‑step reaction sequence indicated
The structure of the organic product formed when the given compounds undergo the three‑step reaction sequence indicated is 1,4-dibromobutane.
What is the malonic ester synthesis?It is a chemical response wherein diethyl malonate or any other ester of malonic acid is alkylated on the carbon alpha (at once adjacent) to each carbonyl groups, after which transformed to a substituted acetic acid.
The products of diethyl malonate and 1,4-dibromobutane withinside the presence of moles of sodium ethoxide accompanied through acidification and warmth offers a compound C6H10O2.
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What is the role of gravity in our solar system?
Choose 1 answer:
Earth's gravity causes the sun and the other planets to revolve around it.
The sun's gravity causes Earth and the other planets to revolve around it.
Our solar system's gravity causes other star systems in the galaxy to revolve around it.
What is neomycin and polymyxin b sulfates and dexamethasone ophthalmic ointment used for.
Answer:
treat eye infections and inflammation, including conjunctivitis and chronic anterior uveitis
The purpose of a controlled experiment is to allow a scientist to isolate and test?
A a conclusion
B many data
C several variables
D a single variable
Name and/or describe as many human body systems as you can. what is the function of each body system and what are some of the major organs that are part of each body system?
Answer:
The endocrine system is a collection of specialised organs (endocrine glands) scattered throughout the body that act to produce hormones.
Explanation:
Match the item with its misuse for profit. 1. ivory 2. skin 3. landscape 4. trophy 5. pets cactus rare birds elephant alligator lion
Answer:
1. Ivory-elephant
2. Skin-alligator
3. Landscape-cactus
4. Trophy-lion
5. Pets-rare birds
Explanation:
What is the largest species of sea turtle in the world?.
Answer:
The leatherback is the largest living sea turtle.
Explanation:
The Leatherback is the largest sea turtle existing today, which can reach up to 2000 pounds in weight and 8 feet in size. These turtles belong to a reptilian family that has been around for more than 100 million years.
Which question is most likely to be found in a dichotomous key for fish identification?
Where was the fish found?
Does the fish live in the water?
How closely related is it to a salmon?
Does it have a rounded tail?
Answer:
D
Does it have a rounded tail?
What would a fuel cell vehicle use for fuel? What is the primary waste product?
A • A fuel cell combines oxygen from the air with hydrogen. The primary waste product is water.
B •A fuel cell separates oxygen from the air. The primary waste product is hydrogen
C • A fuel cell combines oxygen from the air with water. The primary waste product is hydrogen
D • A fuel cell separates oxygen from water. The primary waste product is hydrogen.
What does repetition, reproducibility, precision, accuracy, and replication mean?
Repetition
the act of something repeating over and over again.
Reproducibility
the rate or amount of which an organism is able to reproduce.
Precision
with excessive intent to perfect an action.
"The cake must be iced with precision."
Accuracy
the ability to be accurate; the amount of how accurate something is.
"Archery requires accuracy."
Replication
the act or rate of which an object is copied.
2. describe three situations in which ionic reactions go to completion.
The three situations in which ionic reactions go to completion is formation of a gas, a precipitate and a slightly ionized product.
What are ionic reactions?It indicates the flow of electrons and, therefore, the bonds broken and formed in the course of the reaction. It is theoretical, it can be corroborated by experiments, but sometimes there is no consensus on the mechanism by which a certain reaction occurs.
Chemical reactions are the result of the transformation that occurs in substances, where atoms rearrange themselves, modifying their initial state. Thus, chemical compounds undergo changes generating new molecules. In turn, the atoms of the elements remain unchanged.
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27. Why does cutting through the bark of a tree often kill the tree?
Cutting through the bark of a tree would most often kill it because food supplies to certain parts of the tree are cut off.
What does the bark of trees contain?The bark of a tree is made up of two types of tissues:
Dead tissues on the outsideSecondary phloemThe secondary phloem is responsible for conducting synthesized foods from source to sinks.
When the bark of a tree is cut through, the secondary phloem is cut along and food supply to certain parts of the tree is cut off as a result. This often results in the death of the tree.
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What information can a scientist learn directly from a single fossil?
A. How the organism is related to organisms on Earth today
B. What the organism looked like
C. How long the organism lived
D. How many offspring the organism produced
SUBMI
Answer:
How long the organism lived
best place to plant corn, cotton ,wheat and soy beans 50 points
Answer:
cool, temperate regions like the midwestern United States and southern Canada
B. What is a problem with partial DNA samples? In your answer, include how databases
relate to this problem.
Answer:
Partial profiles will match up with many more people than a full profile. And even full profiles may match with a person other than the culprit. Further complicating matters, a single DNA profile might be mistakenly generated when samples from multiple people are accidentally combined.
Explanation:
Answer:
Partial profiles will match up with many more people than a full profile. And even full profiles may match with a person other than the culprit. Further complicating matters, a single DNA profile might be mistakenly generated when samples from multiple people are accidentally combined.
Explanation:
Crossing over between non sister chromatids during meiosis is significant in heredity
Crossing over is the main event in meiosis and heredity as it leads to genetic variation.
What is genetic variation?Genetic variation is the changes that take place in the genes of individuals that can lead to the formation of new characters.
it generally occurs in meiosis specifically during crossing over.
Thus, it can be concluded that crossing over between non-sister chromatids during meiosis is significant in heredity as it leads to genetic variation.
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Bloodborne pathogens may enter your system through.
Which of the following is the term
used to describe the division of a
cell's cytoplasm?
A. Mitogenesis
B. Cytogenetics
C. Cytokinesis
D. Mitosis
ANSWER:
CYTOKINESIS
Explanation:
just got it right on edge 2022
In a food weh, which type of organism receives energy from the other three types?
Answer:
decomposers receive energy from the other three types
Explanation:
After feeding at the surface of the ocean during
the day, many ocean organisms migrate to deeper
waters. While there, they release ammonia in
their urine. Many bacteria use the nitrogen from
the ammonia as they make amino acids, which
eventually end up in food chains on both land
and water. These amino acids may even be used
in humans. Which statement best explains these
observations?
(1) Chemical elements, including nitrogen, pass
through food webs and are combined and
recombined in different ways.
(2) Chemical elements, including nitrogen, are
removed from food webs and eliminated
from ecosystems.
(3) Nitrogen is transferred directly from bacteria
to humans.
(4) All elements in the ocean remain there and
are not transferred to other ecosystems.
What is TRUE about chromosomes?
A. They are found outside the nucleus of each cell
B. They contain genetic material
C. They are shaped like a double helix
D. There are 30,000 chromosomes on each gene
Answer:
B.
Explanation: not d or c
they are found INSIDE of the nucleus and not outside
so b
What regulates the exit of partially digested food?.
The way that partially digested food leaves the body is through the pyloric sphincter.
What is digestion?The term digestion has to do with the breaking down of complex food substances that is taken in by animals during nutrition. Food that is digested will go out of the body in semisolid form.
Hence, way that partially digested food leaves the body is through the pyloric sphincter.
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The ____ receive messages from other neurons and send them to the cell body.
A myelin sheaths
B neurotransmitters
C axon terminals
D dendrites