Answer:
No. As long as these studies are supervised by ethics committees of human research
Explanation:
In medical research, ethical committees are responsible for ensuring that experimentation and methodological studies on human subjects are carried out in accordance with national and international well-established guidelines. In general, experimentation on human subjects is framed in a line of phased clinical trials. The ethics committees are organizations composed of medical specialists, scientific researchers, non-medical and non-scientific members who work together to ensure the protection of the rights, health and safety of the human subjects involved in such clinical trials.
SARS-CoV-2 infection and transmission studies on humans instead of animal models are ethical thanks to the supervision of the ethics committees.
The answer is no, As long as these studies are supervised by ethics committees of human research.
The ethics committees are organizations composed of medical specialists, scientific researchers, non-medical and non-scientific members who work together to make sure the protection of the rights, health, and safety of the human subjects involved in such clinical trials.
Poor responses from the authorities to the spread of infection, lack of effective measures for prevention, unavailability of promising treatment options, and sufficient diagnostic options have created an alarming for the globe.
The transmission routes from human to human of SARS-CoV-2 can be-The direct transmissionDroplet inhalation transmissionContact transmissionTransmission through salivaTransmission via fecal-oral routes.
In medical research, ethical committees are responsible for ensuring that experimentation and methodological studies on human subjects are carried out in accordance with national and international well-established guidelines.
Therefore, SARS-CoV-2 infection and transmission studies on human trials are ethical so the answer is No.
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An object with a density_____
1.0 g/mL will float in water.
Greater than
Less than
Equal to
Where in the chloroplast is the chemiosmotic gradient developed.
hooke focused his work on _____ and did not believe that anything else had cells
What were two consequences of the French and Indian War? Include the Proclamation
of 1763 in your response. How did the consequences lead to the American Revolution?
ASAP ASAP plz
Answer:
1. The French and Indian War began in 1754 and ended with the Treaty of Paris in 1763. The war provided Great Britain enormous territorial gains in North America, but disputes over subsequent frontier policy and paying the war's expenses led to colonial discontent, and ultimately to the American revolution.
2. In the long-term, the Revolution would also have significant effects on the lives of slaves and free blacks as well as the institution of slavery itself. It also affected Native Americans by opening up western settlement and creating governments hostile to their territorial claims.
unlike a eukaryotic cell, a prokaryotic cell lacks
Answer:
[tex]\huge\boxed{\sf Nucleus}[/tex]
Explanation:
Eukaryotic Cell:
Greek Word : "Eu" means "Good" and "Karyon" means "Nut" which means that they have a Nucleus.
Prokaryotic Cell:
Greek Word : "Pro" means "Before" and "Karyon" means "Nut" which means that they lack Nucleus.
Difference:
The main difference between both is of a "Nucleus".
Hope this helped!
~AnonymousHelper1807Did I miss any information?
Answer:
It looks pretty nice
Explanation:
You could say the exact or relative amount of species, or label the diagram.
Define population pressures which is a selective pressure.
Answer:
Selective pressures are environmental factors or influences which may lessen reproduction in a species’ population and therefore contributes to evolutionary change or even extinction through natural selection.
credits to google
Explanation:
Because of __________ between moving parts of a bicycle, some of the work you do changes to energy.
Answer:
friction
Explanation:
Animal life changed greatly during the Cambrian explosion, with some groups expanding in diversity and others declining. What are the current hypotheses that explain these trends
Atmospheric changes, Global climate changes and the predator-prey relationship can be used to explain the Cambrian explosion. It produced the emergence of new life forms.
What is the Cambrian explosion?Cambrian explosion refers to the huge emergence of new animal forms during the initiation of the Cambrian Period.
The Cambrian Period refers to the first period of the Paleozoic Era (541 million to 484 million years ago).
The Cambrian explosion produced the emergence of 20 major phyla that form the current animal tree of life.
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What are the processes in which material move through a cell?
The passive forms of transport, diffusion and osmosis, move materials of small molecular weight across membranes. Substances diffuse from areas of high concentration to areas of lower concentration; this process continues until the substance is evenly distributed in a system.
A scientist wants to use a radioactive isotope of phosphorus to radiolabel
certain molecules in a culture of cells he is growing. If the scientist uses
32P, which of the following groups of macromolecules will be labeled in the
culture of cells? *
Answer:
He can label the cell membranes of the cells with phosphorous (P32) because cellmembrane of cells are made of Phospholipid bilayer.
What type of tissue acts like a belt, holding cells together?.
Select the reasons that farmers typically only specialize in one breed.
lack of training
homogeneous housing
business efficiency
time demands
standardized food supplies
personal preference
familiarity with the breed
Answer: business efficiency personal preference
familiarity with the breed
Explanation:
i think so...
What are the openings (pores) called that allow these molecules to enter leaves? What molecule enters the plant through the roots?
Answer: Stomata
Explanation:
Stomata are pores in the leaf that allow gas exchange where water vapor leaves the plant and carbon dioxide enters.
Scott scoops hot oatmeal into his bowl he then notices that the outside of his bowl is very hot to the touch. What type of heat energy transfer is this an example of
Explain why
State the differences between organic
matter and inorganic fertilizer
Answer:
The organic matter is all natural came from the earth. But on the other hand, inorganic fertilizer is not natural it is chemical to make the grass more rich and healthy and they already stored all the nutrients in the fertilizer so it can work. I hope I helped
Plz help! Will mark Brainliest!
Which phrase justifies why the theory of evolution is a theory and not a law?
Describes the relationship between an organism and its environment.
Makes accurate predictions based on only a small amount of empirical evidence.
Explains diversity based on the principle of natural selection.
Cannot be modified with the discovery of new evidence.
Answer:
Q1) Which phrase justifies why the theory of evolution is a theory and not and not a law.
Explanation:
A) Explains diversity based on the principle of natural selection.
Answer:
The answer is C
Explanation:
Got it correct on the exam
Why do you think the cell creates many mitochondria?
Mitochondria is the powerhouse of cell therefore, cell creates many mitochondria.
What is mitochondria?The majority of the chemical energy required to drive a cell's metabolic operations is produced by mitochondria, which are membrane-bound cell organelles (mitochondrion, singular).
Adenosine triphosphate, a tiny molecule, serves as a storage container for the chemical energy generated by the mitochondria (ATP). Small chromosomes found in mitochondria are found there.
Organelles that are membrane-bound include mitochondria, however they are membrane-bound with two distinct membranes. And for an intercellular organelle, that's extremely remarkable. Those membranes provide the fundamental function of mitochondria, which is to produce energy.
Therefore, Mitochondria is the powerhouse of cell therefore, cell creates many mitochondria.
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Help pls;( ASAP
you see a mosquito land on your hand and swat at it. A signal passes through many parts of different neurons to make this happen. Which component of the nervous system is the last to be involved in this process?
A. Dendrites in sensory neurons
B. Axons in motor neurons
C. Axons in sensory neurons
D. Dendrites in motor neurons
The reflex arc is the sequence of events since the body receives an external stimulus (seeing a mosquito landing on your hand) until it reacts (swapping at the mosquito). In the exposed example, the last components in the NS involved in the process are the Axons in motor neurons.
----------------------------------------
The reflex arc refers to the sequence of events since the body receives an external stimulus until it reacts.
In general terms, a stimulus of varying nature reaches the body, the peripheric nervous system -PNS- receives the stimulus and sends this information to the central nervous system -CNS-. The CNS processes the information and sends another signal as a response to the stimulus.
Five elements compose the reflex arc, which are receptors, three types of neurons, and effectors.
The neurons involved in the mechanism are:
• Afferent or sensorial neurons
• Interneurons
• Efferent or motor neurons
Action:
• Ascending branch
The stimulus reaches the body and is received by the specialized sensory receptors. Afferent neurons, placed in the dermis and epidermis, receive this information from receptors, react and send it to the central nervous system as nerve impulses.
• Descending branch
Interneurons in the CNS, process the information and send a motor response. Efferent neurons carry the response from the CNS to the effector organs, which might be either a muscle or a gland.
Finally, the target tissue responds to the stimulus as a contraction -muscle-,or as hormones release -gland-.
A motor neuron is formed by a cellular body, dendrites (cytoplasmic extensions that receive stimuli from other cells), and a long axon that is capable of conducting the electrochemical signals. The axon brunches out into several extensions when it approaches the muscle. At the end of each brunch, the axon is inserted in the muscle fiber surface, composing neuromuscular join. This is the last part of the NS involved in the process before the muscle contracts.
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What is the main difference between using fixed versus living cells when observing the cell cycle?.
Fixed cells are refers to static cells that remain unchanged over time while living cells refers to dynamic cells that move and change over time.
What are Fixed cells?Fixed cells are cells that are preserved in a condition that is as close to “life-like” as possible.
These cells usually die during this process, but their shape and contents are maintained for imaging purposes.
Further preparation for fixed cells are far easier to perform than live cells.
On the other hand, living cells are cells which are still alive and this makes cell imaging difficult.
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how do you find the percent of water inside a cell
Answer:
Well I know that it is 30% water and 70% salt. I dont really know much but thats the farthest I can give you.
Hope this helps!
Does natural selection act on the genotype or phenotype.
Let's have a little fun, shall we?
What is the Animal with the strongest bite (IN THE OCEAN)
Answer:
a salt water crocodile
Explanation:
Use the drop-down menus to complete the sentences. the neuron that transmits the impulse is called the , and the cell receiving the impulse is called the . when a nerve impulse arrives at the axon terminal of the neuron, it triggers the release of molecules called . these molecules diffuse across the synapse and bind to receptors on the next cell.
Answer:
A.presynaptic cell B.postsynaptic cell C.neurotransmitters
Explanation:
Your welcome.
The neuron that transmits the impulse is called the "presynaptic neuron", and the cell receiving the impulse is called the "postsynaptic neuron".
What are neurons?Neurons, also known as nerve cells, are specialized cells that transmit electrical and chemical signals throughout the body. They are the basic units of the nervous system, which includes the brain, spinal cord, and peripheral nervous system.
Thus, the neuron that transmits the impulse is called the "presynaptic neuron", and the cell receiving the impulse is called the "postsynaptic neuron". When a nerve impulse arrives at the axon terminal of the neuron, it triggers the release of molecules called "neurotransmitters". These molecules diffuse across the synapse and bind to receptors on the next cell.
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Carbon is a common in _____ matter too in rocks and soil dissolved in seawater inside the earth' s mantle and the air ,as_________
What happens when an organism has more carbohydrates than needed to meet its energy requirements? The organism begins to break down fats. The organism begins to break down fats. The organism begins to break down proteins. The organism begins to break down proteins. The extra energy is converted to protein and stored. The extra energy is converted to protein and stored. The extra energy is converted to fat and stored until needed.
Answer:
The correct answer is - The extra energy is converted to fat and stored until needed.
Explanation:
When someone intakes more carbohydrates than they need at a particular time body converts the excess amount of the carbohydrate into glycogen and stored in the liver cells.
One glycogen level is full the insulin starts converting the carbohydrate into fatty acids that move to different parts of the body and stoored like adipose tissue in the belly and thigh.
Thus, the correct answer is - The extra energy is converted to fat and stored until needed.
need answer now 7th grade
Recent finds include a nearly complete wolf skeleton, tusk and bones from a woolly mammoth, and also part of a woolly rhino skull.
How did the freezing process take place?Animals did not necessarily live at the same time. Scientists suggest that they fell into a common grave over thousands of years or that their bones were taken to the cave by predators. after these events, the ice age came and froze all the bones of these animals.
With this information, we can conclude that recent discoveries include an almost complete wolf skeleton, tusk and bones from a woolly mammoth, and also part of a woolly rhino skull.
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Which statement may plausibly explain type II diabetes, but not type I diabetes?
The statement that may explain type II diabetes is that a protein that is normally activated by the insulin receptor does not perform its function. That is option C.
Causes of type II diabetesDiabetes mellitus is a metabolic disorder that occurs due to the inability of the body cells to utilize the insulin produced as seen in type II diabetes or the inability of the pancreatic cells to produce insulin in enough quantity.
In type II diabetes, there is presence of insulin in the bloodstream of the patient but the body cells are not able to make use of it to metabolize glucose.
This is because when the protein that is activated by insulin receptor fails to function, problems with insulin signalling can occur which impairs the proper management of glucose levels in the blood.
Therefore, the statement that may explain type II diabetes is that a protein that is normally activated by the insulin receptor does not perform its function.
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13. Radha's mother makes fluffy idlis, everyone likes them.
a) How does idli batter become soft?
b) What are the organisms involved in it?
What bird makes the longest migration of any animal in the world?.
Answer:
The world's best long-distance migratory is the Arctic Tern. It spends its summers in the Antarctic and its winters in the circumpolar Arctic and sub-Arctic. According to tracking investigations, the birds travel around 44,100 kilometers every year.
Explanation: