Answer:
the correct answer is A
Explanation:
The cell membrane will allow water to pass freely into the cell by osmosis, because the environment or solution in which the cell present is hypotonic
Write 3 facts about biology ,inference, Theory and scientific law
Three facts about Biology are:
Human beings are born with 12 systems that work in harmoniously to ensure that we are fully operationalHumans have 9 senses. They include:VisionHearingSmellTasteTouchBalanceTemperatureProprioceptionPainBecause, it can carry thirty-times the body weight, the Femur is known to be the strongest bone in the body.What are facts about inferences?An inference is an idea, thought, or conclusion that is derived from evidence and logical reasoning.Without implicit communication, there would be no inference.Inference leads to expansion of knowledge.What are facts about Theory?A theory is not a factA theory is not a speculation about what may be trueA theory is a collection of propositions whose purpose is to explain a particular phenomenon. What are facts about Scientific Law?A law is not an explanation of an observed phenomenonA scientific law is a statement describing an observed phenomenon Laws are useful for making predictions.Learn more about facts:
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Why is an organism important
Answer:
Living organisms play an important role in the formation of soil. They increase fertility of soil and also help in maintaining structure and aeration of soil. They contribute to the humus production.
How do prokaryotes and eukaryotes differ in terms of their compartmentalization?
2 A student investigated the diffusion of substances through Visking tubing, an artificial membrane which has some of the properties of cell membranes. The student made a bag of Visking tubing as shown in Fig. 4.1. top of syringe. elastic band Visking bag. knot bag filled with starch solution (a) (1) Explain these results. and placed into a test-tube of water Fig. 4.1 test-tube starch solution water The student added some iodine solution to the water in the test-tube. After 30 minutes at room temperature, the contents of the Visking bag were stained blue-black, but the water outside remained a yellow colour.?
Answer:
Visking tubing is a selectively permeable membrane, this means it has pores in it which allow small molecules through but not larger molecules
Explanation:
I hope this helps
The Isotope calcium-41 decays Into potassium-41, with a half-life of 1.03 x 105 years. There is a sample of calcium-41 containing 5 x 10⁹ atoms.
How many atoms of calcium-41 and potassium-41 will there be after 4.12 x 105 years?
OA 3.125 x 108 atoms of calcium-41 and 4.375 x 10⁹ atoms of potassium-41
OB. 6.25 x 108 atoms of calcium-41 and 4.6875 x 10° atoms of potassium-41
OC. 6.25 x 108 atoms of calcium-41 and 4.375 x 109 atoms of potassium-41
OD. 3.125 x 108 atoms of calcium-41 and 4.6875 x 10° atoms of potassium-41
hts reserved.
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The correct answer for this question will be option D.
Calcium-41 = 3.12×[tex]10^8[/tex] atoms
Potassium-41 = 4.69×[tex]10^9[/tex] atoms
As stated in the question,
Half life of isotope of Ca-14 which decays into K-14 = 1.03 × [tex]10^5[/tex] years
Therefore, after 1.03 × [tex]10^5[/tex] years (1 half life)
Ca-41 will be 50%
and, K-41 will be 50%
After 2.06 × [tex]10^5[/tex] years (2 half lives)
Ca-41 will be 25%
K-41 will be 75%
After 3.09 × [tex]10^5[/tex] years (3 half lives)
Ca-41 will be 12.5%
K-41 will be 87.5%
After 4.12 × [tex]10^5[/tex] years (4 half lives)
Ca-41 will be 6.25%
K-41 will be 93.75%
After 4.12 × [tex]10^5[/tex] years,
Ca-41 = 6.25/100 × 5×[tex]10^9[/tex]
= 3.12 × [tex]10^8[/tex] atoms
K-41 = 93.75/100 × 5×[tex]10^9[/tex]
= 4.69 × [tex]10^9[/tex] atoms
Therefore, option D is correct.
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A cell is unable to synthesize proteins. What most likely caused this?
Answer:
The ribosomes have been destroyed.
Explanation:
Hope this helped!
The answer is Mutation!
A cell has a mutation that makes it unable to appropriately synthesize proteins.
What action did the UN make toward the Jewish people after the war to make amends?
A. Jews were given a province in Germany to live in and govern
B. Jews were given control over the German government post-war
C. Jews were given money for their possessions lost and time spent
D. Jews were given their homeland in Palestine
The action the UN make toward the Jewish people after the war to make amends was Jews were given their homeland in Palestine
D. Jews were given their homeland in Palestine
What was the response after the horrors of the HolocaustAfter World War II, in response to the horrors of the Holocaust and the need for a homeland for Jewish refugees, the United Nations (UN) passed a resolution to establish the state of Israel in Palestine.
This decision is commonly known as the United Nations Partition Plan for Palestine, which was adopted on November 29, 1947. It called for the partition of Palestine into separate Jewish and Arab states, with Jerusalem being designated as an international city.
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WILL GIVE BRAINLIEST-Rank the cities based on their winter low temperatures, with 1 being the warmest winter, and 3 being the coldest winter.
-Los Angeles
- Myrtle beach
-Oklahoma City
How do you know? Explain why you ranked the cities this way.
The rank of the given cities on the basis of their winter low temperatures is as follows:
Los Angeles: The lowest winter temperature is 48°F. Myrtle beach: The lowest winter temperature is found to be 39°F. Oklahoma City: The lowest winter temperature is 23°F. What do you mean by Temperature?Temperature may be defined as a type of physical quantity that estimates the degree of hotness and coldness of matter or radiation along with the atmosphere.
Among the given options, Oklahoma City has the lowest winter temperature, with being February the coldest month while Los Angeles has the highest winter temperature, with being December the coldest month.
Therefore, the rank of cities are:
Los Angeles: Rank 1.Myrtle beach: Rank 2.Oklahoma City: Rank 3.To learn more about Temperatures, refer to the link:
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The theory of island biogeography suggests that island colonization is affected by which of the following factors?
Allopatric speciation
Ecological tolerance
Adaptative evolution
Migration rates
The theory of island biogeography explains that two factors affect island colonization. These are migration and extinction, associated with the distance from the mainland and the island size. Option D. Migration rates.
What is the theory of island biogeography?
The ecologists MacArthur and Wilson took the term island biogeography to refer to the predictions about the number of species inhabiting an island.
According to MacArthur-Wilson (1967)
The number of species on an island represents a dynamic equilibrium between the opposite forces of immigration and extinction rates. At equilibrium, the species richness keeps constant. But the species composition changes.Each island can have a certain number of species, but these species are not always the same, meaning that species might renew. Interspecific competition has a significant role.Island biogeography theory establishes that the two factors that affect species richness in natural communities on an island are the distance from the mainland and the size of the island.
At the same time, these factors affect immigration and extinction rates.
According to the theory,
Effect of distance ⇒ islands that are closer to the continent have higher possibilities of receiving immigrants than those islands that are located farther from the mainland. Effect of size ⇒ relation between island size and species diversity. On smaller islands, the probability of extinction is higher than on bigger islands. Bigger islands can have more species than smaller ones.The assumptions of the equilibrium theory:
The immigration rate depends on the distance of the island to the mainland.The extinction rate depends on the island size.All the species have the same chances of getting to the island.Predictions:
At equilibrium, the number of species is constant in time.Dynamic equilibrium means continuous species renewal.If the island gets bigger, species richness increases.If the island is closer to the mainland, species richness increases.The correct option is Migration rates. Option D.
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At the dawn of industrialization, why were entrepreneurs important to changing economies in Europe?
The entrepreneurs produced new goods and services.
What is industrialization?The process of industrialization is the process that saw to the emergence of so many industries in Europe and lead to increased production. This happened during the industrial revolution of the 1800s.
During this period, there were a lot of new products that hit the market and technology was developing at a very fast rate. This period of industrialization was driven by coal.
The entrepreneurs were important to changing economies in Europe because they were the ones that initiated new business concerns, saw to the advancement of technology and generated money by the production of new goods and services.
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Answer:
A) They started a number of new businesses.
B) They improved on the available technology.
D) They developed new products and inventions.
E) They invested money in new businesses.
Explanation:
Got it correct if its for the one on ed
Smokers tend to have an abundance of phagocytic cells in their lung tissue. Provide an explanation for why this is the case.
Answer:
Smokers tend to have an abundance of phagocytic cells in their lung tissue because these cells help to clear the lungs of debris and bacteria. Cigarette smoke contains many harmful particles that can damage the lungs, so the body produces more phagocytic cells to help clean them out. However, over time, the damage from the smoke can overwhelm the phagocytic cells, leading to lung problems.
Explanation:
Give Brainliest if I helped!
What conclusion can be drawn from this information?
Answer:
all the information given in the box gives characteristic a Prostista cell.
Question 4 of 10
Having hair on the back of the hand is dominant (H), and not having the hair is
recessive (h). A mother has Hh and a father has hh. If they have a child, which
genotype will make their child not have hair on the back of the hand?
OA. HH
OB. hh
OC. hH
O D. Hh
If they have a child, hh genotype will make their child not have hair on the back of the hand.
The genotype of the father is h and the genotype of the mother is H and h.
When Mother's H crosses with father's h then Hh genotype will form which ultimately results in the formation of hair on the back of the hand. Whereas, when mother's h crosses with father's h then it will form hh genotype which ultimately result not to have hair on the back of the hand.
Genotype- The term "genotype" broadly refers to an organism's genetic make-up; in other terms, it characterizes an organism's whole gene pool.
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What is a bacteriophage?
A. bacteria that destroys DNA
B. virus that causes pneumonia
C. virus that infects bacteria
Answer: C
Explanation: a virus that parasitizes a bacterium by infecting it and reproducing inside it.
Answer:
The answer is C
Explanation:
Hope this helps:)
Treatment Goals
Describe why the treatment plant was not removing nitrites and nitrates from the water.
How did you fix this problem?
High school gizmo
The treatment plant was not removing the nitrites and nitrates from the water because the ammonia must be converted before the remaining water's nitrates can be removed, they did not have the conversion tanks in the proper order to be able to convert it.
Ammonia, which has the chemical formula NH3, is a compound containing nitrogen and hydrogen. The most straightforward binary pnictogen hydride is ammonia. It is an odorless gas with a potent scent. By acting as a precursor to 45% of the world's food and fertilizers, it significantly helps meet the nutritional needs of terrestrial organisms. In terms of biological waste, particularly among aquatic organisms, it is a typical nitrogenous waste.
How can nitrates and nitrites be removed from water?
Nitrates are a difficult contaminant to remove from water, and filters cannot handle this task by themselves. Nitrates can be removed from water using distillation, reverse osmosis, or ion exchange resin.
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How could differences in compartmentalization affect reaction efficiency?
Answer:
Cell compartmentalization mentions the way organelles in eukaryotic cells live and work in discrete areas inside the cell in order to accomplish their precise functions more competently. Compartmentalization upsurges the efficiency of several subcellular processes by concentrating the mandatory components towards a restricted space inside the cell. A precise condition is mandatory to simplify a prearranged subcellular process; this might be locally controlled so as not to disturb the function of remaining subcellular compartments.
Explanation:
please make my answer as brainelist
Jada used 60 pepper slices to make 3 pizzas how many does it take to make 6 of Jada’s pizzas?
If Jada used 60 pepper slices to make 3 pizzas, it will take 120 pepper slices to make 6 pizzas.
How many pepper slices will be used by Jada?According to this question, Jada used 60 pepper slices to make 3 pizzas.
The relationship between the pizzas prepared by Jada and the pepper slices used is a direct relationship i.e. as one increases, the other increases.
The number of pepper slices used can be calculated as follows:
If 60 pepper slices = 3 pizzas
6 pizzas = (6 × 60) ÷ 3
= 20 × 6 = 120
Therefore, if Jada used 60 pepper slices to make 3 pizzas, it will take 120 pepper slices to make 6 pizzas.
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What feature about water gives it such unique properties?
Its polarity and bond angle
Water being made up of oxygen and hydrogen
Water being able to dissolve substances
Water being in all cells
Its polarity and bond angle makes water unique properties.
The structure of water molecules is twisted and polar, with partial positive charges on the hydrogens and partial negative charges on the oxygen. This is because oxygen attracts electrons more effectively than hydrogen since it is more electronegative. A great solvent is a water.
Cohesion in water is caused by its polarity. The forces that induce or permit similar molecules to stick together are referred to as cohesion. Water has cohesiveness because its molecules naturally desire to adhere to one another.
When water is not boiling into a gas or freezing into a solid, it is in a liquid condition. When it is liquid, water has the lowest density.
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What is Zyklon B?
A. The chemical used to gas Jews in the camp showers
B. The name for the Jewish ghetto in Berlin
C. The first death camp built in Poland
D. The chemical used by Nazi troops, also known as "mustard gas"
Answer: B
Explanation:
True or False: Smaller objects (like a cell) will have a greater surface area to volume ratio
Answer: false
Explanation:
Answer: for the ed-puzzle with the amebo sisters it is true
Explanation:
There were twelve elephants in the clearing.
a pulse rate of 141 beats per minute
orange fur with black stripes
✔
DONE
Answer:
There were twelve elephants in the clearing.
✔ quantitative data
a pulse rate of 141 beats per minute
✔ quantitative data
orange fur with black stripes
✔ qualitative data
Explanation: trust
Refer below to understand which data is qualitative or quantitative from the given example:
twelve elephants in the clearing: quantitative data since it gives us the number of elephants in the clearing. a pulse rate of 141 beats per minute: quantitative data since, it speaks about the average heart rate of the elephants and is measurable. orange fur with black stripes: qualitative data since it is not giving us a number rather the quality or type of fur. 28.5 cm tall: quantitative data since it gives us a measure of height.rough-textured: qualitative data since it is not giving us an idea about the quality or texture.bird bobbed its head up and down: qualitative data since it is talking about the activity of the bird.Learn more about qualitative and quantitative data here:
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What do toxins do in the body?
A. Destroy the body's cells.
B. Attack pathogens.
C. Strengthen your immune system.
D. Relieve pain.
Answer:
A. Destroy the body's cells
Explanation:
When describing the relationship between the chest and the abdomen, the chest lies __________ to the
abdomen
Answer:
the answer would be cranial.
What kinds of
molecules in plants
and other organisms
contain nitrogen
atoms?
Answer: Nitrogen
Explanation: Nitrogen is a naturally occurring element that is essential for growth and reproduction in both plants and animals. It is found in amino acids that make up proteins, in nucleic acids, that comprise the hereditary material and life's blueprint for all cells, and in many other organic and inorganic compounds.
- As a result of their metabolic activities, many
organisms produce harmful substances. These
substances are eliminated by the process of
A) ingestion
C) pinocytosis
B) secretion
D) excretion
how could the elements found in sugar molecules that organisms digest combine with other elements to form polypeptide chains?
Polypeptide chains formed is a product of digested components of Sugar.
How polypeptide chains are formed from sugars?One carbon residue of glucose can be marked to indicate that it is being used to synthesize glucogenic amino acids. This tagged carbon is visible when amino acids are separated. have alcohol groups, which means that they can be bonded together through dehydration reactions or dehydration activities where water is lost. Proteins contain carboxylic acids, which have alcohol groups and are easily able to give up those alcohol groups in order to establish a bond, in contrast to sugars, which have no age group on the alpha-beta carbon. And as a result, they may communicate with one another. Additionally, because they are both polar, they can dissolve in other polar substances.A dehydration synthesis (condensation) reaction creates each bond. A molecule of water is produced during the protein synthesis process when the carboxyl group of the amino acid at the end of the expanding polypeptide chain combines with the amino group of the incoming amino acid. Peptide bonds are the resultant bond between amino acids.To know more about sugar molecules visit:
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Name a pair of amino acids whose R-groups would be electrically attracted to each other
Answer:
Due to the presence of amino functional groups in lysine and arginine, two of the polar amino acids are basic (positively charged). The two classes of amino acids—acidic and basic—are electrostatically attracted to one another and can interact in this way.
Explanation:
Question 19
When analyzing data with a standard deviation curve, 1 o above and below the norm includes what
% of the data collected?
O 99%
O 68%
O 95%
Answer: 68% ==> 2nd option
Explanation:
1 standard deviation away from the means=34%
2 standard deviations away from the means=34*2=68%
Answer: 68% ==> 2nd option
FIRST QUARTER
WORKSHEET 3
DOING SCIENTIFIC INVESTIGATION
In various situations, scientists employ a variety of investigational techniques. These techniques include fair testing, recognising and classifying, modelling, pattern seeking, and studying (in no particular order) in Scientific investigation.
The scientific method's seven steps for Scientific investigation
Pose a query - A question you want answered is the first stage in the scientific approach.Perform analysisForm your hypothesis.Try out your theory with an experiment.Make a discoveryAnalyze the findings, then come to a conclusion.Describe the findings.According to research, fair testing dominates Scientific investigation.
Descriptive investigationComparative investigationExperimental investigation are the three sorts of studies that scientists employ to explore and create answers for phenomena in nature.The complete question is :
What are the steps to be followed while doing a scientific investigation?
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A mining company hires a team of scientists to research how their mines impact local wildlife. They are not happy with the results, so they wait a few years to publish. They do not include the name of their company in the publication. The language is vague and some findings are omitted. The results are published online, not in a scientific journal.
when evaluating this info, which is most concerning?
The most concerning part of the publication is that, some findings are omitted.
What is most concerning?Scientific information is always published in journals. Journals are peer reviewed articles that are available for the consumption of the scientific community. The language in which the journal article is written must be professional and the details of the research must be fully published.
In this case, it is worthy of note that it is very disturbing that some findings are omitted. This was intentionally done to mask the extent of damage that activities of the company does to wild life.
Hence, the most concerning part of the publication is that, some findings are omitted.
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Answer: Reliability
Explanation:
