The person who is healthy and having O blood may contribute to the blood bank if asked.
What is universal blood group?Because type O is the most prevalent blood type and type O negative blood is the universal blood type needed for emergency transfusions and immune weak babies, type O is frequently in low supply and in great demand by hospitals.
Blood transfusions are given to a wide range of patients. Donated blood's varied components are utilized to cure a variety of ailments. Red blood cells, for example, are transfused to patients who have lost blood as a result of trauma or surgery, as well as to treat anemia (including sickle cell anemia). Platelet transfusions are required for cancer patients to replace healthy cells that have been damaged by chemotherapy and radiation. To treat shock in burn victims, plasma transfusions are frequently required.
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Which hormone does the sympathetic nervous system release to increase heart rate.
The sympathetic nervous system releases hormones known as catecholamines which increase the heart rate.
What is a heart rate?it is the number of contractions of the heart per minute.
What are catecholamines?These are the neurotransmitters that have a catechol and a side chain that is an amine.
Which catecholamines are released by the sympathetic nervous system?Epinephrine and norepinephrine are the catecholamines that are released by the sympathetic nervous system to increase the heart rate.
Where are these hormones released?These hormones are released in the blood.
How does this hormone increase the heart rate?"These hormones are released at the neuromuscular junction of the cardiac nerves.""They shorten the repolarization period."This speeds up the rate of depolarization and contraction and thus the heart rate is increased.To learn more about sympathetic nervous system, hormones and heart rate here,
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Many living organisms are adapted to specific temperatures. This is an example of which characteristic of life?
*
a. use of energy
b. reproductive ability
c. growth and development
d. maintaining homeostasis
Answer:
d
Explanation:
The adaptation by which organisms adapt to specific temperature is called homeostasis, which helps an organism to maintain a stable equilibrium towards natural factors.
Answer:
Is 'D' number
hope it help u
Atoms were named "atomos" by the Ancient Greeks. What does "atomos" mean?
Clear
Solid
Indivisible
Small
Answer:
its the ancient greek term for "the ulimate particles of matter" sorry if im wrong
Explanation:
Answer:
Indivisible
Explanation:
Well it means uncuttable which is a synonym to indivisible
A region that includes tigers, eagles, lizards, fish, rabbits, and many other types of organisms would be described as having a high level of a genetic diversity. b taxonomic diversity. c species diversity. d ecosystem diversity.
A region that includes tigers, eagles, lizards, fish, rabbits, and many other types of organisms would be described as having a high level of species diversity, i.e., option c.
What is species diversity?Species diversity is referred to as the number of different species present in an ecosystem and their relative abundance.
When all of the species present are equally abundant in the area, diversity is greatest.
A region that includes tigers, eagles, lizards, fish, rabbits, and many other types of organisms would be described as having a high level of species diversity
Thus, the correct option is c.
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_________ is a filamentous, gliding, thermophilic bacterium that often is isolated from neutral to alkaline hot springs, where it grows in the form of orange-reddish mats, usually in association with cyanobacteria
Answer:
chloroflexus
Explanation:
Genus Chloroflexusis a filamentous, gliding, a thermophilic bacterium that often is isolated from neutral to alkaline hot springs, where it grows in the form of orange-reddish mats, usually in association with cyanobacteria.
What is Chloroflexusis?Chloroflexus aurantiacus is a facultative aerobic bacterium. It is of orange-reddish color. They can withstand (73–60 °C). They are phototrophic bacteria.
Thermophilic organisms are those which can withstand high temperatures in areas. These are mostly bacteria and fungi. They are considered the oldest organisms on the earth.
Thus, Genus Chloroflexus is a thermophilic, filamentous, gliding bacterium that is frequently isolated from hot springs that range in pH from neutral to alkaline. It typically coexists with cyanobacteria to produce orange-reddish mats.
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The ______ is a bony structure which has _______________ running through the center.
Answer:
Central canal
Explanation:
running through the osteon
central canal or haversian canal,contains blood vessels,nerves and lymphatic vessels.
Please i need help quickly
Answer:
the answer is the last option D
Describe how catalase activity changes as pH decreases
Answer:
the enzyme becomes denaturated and loses its structure
Explanation:
Edward Jenner's smallpox inoculation experiment was based on his observation that some dairymaids who worked
with cows had suffered lesions on their hands, but that these dairymaids were immune to the more severe smallpox.
Which best explains why the dairymaids were immune to smallpox?
They did not interact with many people so they were not exposed to the pathogen.
They frequently washed their hands so they were able to wash away the pathogen.
They were exposed to cowpox, and the substance their body produced to fight cowpox also attacked smallpox.
O They breathed the air around the cows that carried an antipathogen in it that destroyed the pathogen.
From anecdotes he heard, Edward Jenner came up with the premise and conclusion that dairy maids could not get small pox because they had previously been exposed to the virus.
What was conclusion of Edward jenner in case of small pox?He also came to the conclusion that small pox may be passed from one person to the next. Edward Jenner came to this conclusion based on stories he had heard about dairy maids being immune to smallpox.
In 1736, Edward Jenner met Sarah Nelms, a young dairy girl with small pox lesions. Edward Jenner then vaccinated an 8-year-old kid named James Phipps with material from Nelms' small pox lesion. James Phipps suffered a fever and became unwell, but he recovered completely after ten days.
Jenner infected the same boy with materials from a fresh small pox lesion a month later. There was no sickness in the boy.
When Edward Jenner was inoculated/vaccinated with matter from a small pox lesion, he came to the conclusion that he could acquire total protection from small pox.
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Answer:
He asked what would happen if he inoculated a person with cowpox fluid and then later with smallpox fluid.
Explanation:
Chromosomes are pulled apart by the spindle fibers during
Answer:
Chromosomes are pulled apart by the spindle fibers during Anaphase 1
Explanation:
In anaphase I, the attachment of the spindle fibers is complete. The homologous chromosomes are pulled apart and move towards opposite ends of the cell.
Which description best identifies the unique attributes of connective tissue?.
Full question:
Which description best identifies the unique attributes of connective tissue?.
A. Connective tissues, unlike other tissues, lack blood vessels and blood.
B. Connective tissues transmit signals from one part of the body to another.
C. Connective tissue is characterized by an extracellular matrix.
D. Connective tissues are hard and inflexible, whereas soft, flexible structures of the body are made up of other tissue types.
Solution:
Connective tissue is characterized by an extracellular matrix. Thus, the correct option is C.
An extracellular matrix distinguishes connective tissue. A histologist analyzes a tissue slide and notices a densely packed parallel network of fibers. Squeezed between the fibers, a few cells can be observed.
What is connective tissue?Connective tissues are those tissue which help in support, protection, and structure. Additionally, connective tissue stores fat, aids in the movement of nutrients and other substances between tissues and organs, and aids in the repair of damaged tissue. Cells, fibers, and a gel-like material make up connective tissue.
Extracellular macromolecules and minerals, includes as collagen, enzymes, glycoproteins, and hydroxyapatite, make up the extracellular matrix (ECM), a three-dimensional network that provides structural and biochemical support to surrounding cells.
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Match each form of energy with its description.
kinetic energy
thermal energy
gravitational potential energy
radiant energy
electrical energy
lightning produced during a storm
a piece of fruit hanging from a tree
radio waves transmitted from a tower
sand on the beach feels warm
to the touch
a box moving along a conveyor belt
Answer:
KINETIC ENERGY: A BOX MOVING ALONG.......
ELECTRICAL....: LIGHTNING PRODUCED ....
GRAVITATIONAL..... A PIECE OF FRUIT HANGING.....
RADIANT.... RADIO WAVES TRANSMITTED....
THERMAL... SAND ON BEACH FEELS....
Which of the following is a good way to analyze data?
A. Check over it and then copy it.
B. Try to find some way to make it support your hypothesis.
C. Organize it into charts, graphs, do calculation if necessary.
D. Put it away for a few months to see if it makes more since later.
what specialized structures does crayfish have that make it well suited to its environment
Answer:
Specialized mandibles. Simplistic crustacean larva that is more developed once leaving the egg. Two main body segments: the cephalothorax and the abdomen. One large carapace.
Explanation:
hope it will help you
Math connections earth materials grade 7 stemscopes
The blank
Answer:
.A good example of a paragraph contains a topic sentence, details and a conclusion. 'There are many different kinds of animals that live in China. Tigers and leopards are animals that live in China's forests in the north.
Explanation:
hope this helped!
The chemical energy of coal and gas is being used up and cannot be renewed.
TRUE OR FALSE
Answer:
True
Explanation:
Coal and gas are examples of non-renewable resources. Renewable resources are sources of energy that can be replenished to replace the portion of the resource that was already used. Examples of renewable resources include wind energy, solar energy, wood, hydropower, etc. There are finite coal and gas on Earth, so they are not renewable.
Hope this helps!! If you have any questions about what I said please let me know down in the comments!
Given what you've learned about scientific hypotheses, theories, and laws, do you think a scientific theory can become.
scientific law? Explain your reasoning.
Answer:
No. A law is something that happens without fail every time when being tested, or when it happens in nature. A law does not attempt to explain why the thing occurs, it only states it. A scientific theory is not something that can be tested on and will receive the exact same outcome each time. A theory attempts to explain an action seen in nature. Theories can be subject to change if new scientific data and research comes out, whereas laws cannot.
______ science investigates the interactions among the atmosphere, hydrosphere, biosphere, and geosphere.
The process whereby cells begin to specialize, at about the eight-cell stage, is called: Please choose the correct answer from the following choices, and then select the submit answer button.
The process by which cells begin to specialize, at approximately the eight-cell stage, is called morula.
What happens in the morula stage?At this point, the embryo as a whole maintains the same size, that is, the newly formed daughter cells are smaller than the cell of origin. In the morula stage, the embryo differentiates into two cell groups located in the outer layer and the intern embryo.
Morula is the name given to the fourth stage of cell segmentation after fertilization of the egg.
With this information, we can conclude that the process by which cells begin to specialize, at approximately the eight-cell stage, is called morula.
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(a hundred points what more do u want bro)
Puppies increase in size as their cells grow and divide. Almost all cells complete a full cell cycle that includes interphase and cell division. In interphase, cells serve their specialized functions, grow, and copy their genetic material. Mitosis is the first stage of cell division, in which the copied chromosomes are separated into two new nuclei. Then in cytokinesis the cell divides into two daughter cells. If no mutations or errors occur, the genetic material in each daughter cell is identical to what was in the original cell.
Now that you have completed this lesson, you should be able to:
describe the stages of the cell cycle
use a model to illustrate the role of cellular division in the formation of new cells
describe the structure of a chromosome
follow chromosomes through the processes of mitosis and cytokinesis
If you do not feel comfortable with these topics, go back and review the lesson before attempting your assignment.
Now it is time to complete the assessment for this lesson. Contact your instructor if you have questions or need additional help.
Answer:
Ummmm... Indeed?..
Explanation:
During the process of translation what happens immediately after the ribosomal subunits bind to the mrna strand
Please explain why the wind curves as it moves from high pressure to low pressure and if it causes
any larger wind patterns. Please answer in 3 to 5 sentences using good grammar
Answer:
Circulating air is diverted due to the Earth's rotation. Instead of flowing in a straight line, air in the Northern Hemisphere deflects to the right, whereas in the Southern Hemisphere it deflects to the left, resulting in curved trajectories. The Coriolis effect is the name for this deflection.
Explanation:
a trophic pyramid for southern lake michigan coastal
please answer it
Answer:
Topic Pyramid-
Explanation:
the basic structure of interaction in all biological communities characterized by the manner in which food energy is passed from one trophic level to the next along the food chain.
:Hope's It's Help:
Palliative radiation treatment may: Group of answer choices remove the tumor. divide the tumor. shrink the tumor. enlarge the tumor.
Explanation:
Radiotherapy to relieve symptoms is also known as palliative radiotherapy. Palliative radiotherapy aims to shrink cancer, slow down its growth or control symptoms. It doesn't aim to cure cancer.
At conception, the genetic material of the mother's ovum and the genetic material of the father's sperm unite, creating a new cell called a(n)
Answer:
Zygote
Explanation:
The zygote is the diploid cell produced when then haploid gametes fuse during fertilization.
What is science quiz which of these are the claims of pseudoscience most likely based on A. Controlled experiments B.logical reasoning C. Creative imagination D.critical thinking
The basis upon which the practice of pseudo science is built is on that of logical reasoning.
What is Pseudo science?The term Pseudo science is used to describe any explanation that lack the simple basis of empiricism. In other words, it is not based on evidence.
The basis upon which the practice of pseudo science is built is on that of logical reasoning.
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A new island formed by volcanic action may eventually become populated with biotic communities. describe the type of ecological succession mentioned here.
The type of ecological succession being described in the illustration is primary succession.
What is primary succession?It is a form of succession that occurs when an area that has never been occupied by any living organism becomes exposed and eventually gets colonized by living organisms.
It is quite different from secondary succession which happens when an area that has been housing biotic communities before gets disrupted by a major disturbance.
A new island formed by volcanic action has never housed any biotic community before. Thus, only primary succession can occur there.
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Which of the following is a venereal disease?
A.) HIV
B.) Herpes
C.) Syphillis
D.) HPV
PLEASE CHOOSE THE CORRECT ANSWER, TY.
Answer:
they all are
Explanation:
Venereal diseases STDs. They can be given through close contact or an exchange of bodily fluid.
If a DNA molecule is “unzipped” and one strand has the code T-A-A-G-G-C, what is the code of the other strand?
Which organisms would be classified as consumers in this web?
A. hawks, rabbits, grasses
B. grasses, grasshoppers, birds
C. birds, flowers, mice
D. grasshoppers, snakes, hawks
(it’s science)