Answer:
c
Explanation:
When determining if the data accepted or rejected your hypothesis, you are summarizing the results.
What is a hypothesis?Hypothesis testing is a scientific process of whether to accept or decline the statement. There are two types of hypothesis null hypothesis and alternative hypothesis.
If P value is less than the alpha then null hypothesis is rejected. If P value is greater than alpha then null hypothesis is not rejected. The level of significance is often called p value.
If we want to reject the null hypothesis, we need to follow given steps:
State the null hypothesis.Support or reject a null hypothesis.Find the critical valueFind the p value.Therefore, When determining if the data accepted or rejected your hypothesis, you are summarizing the results. Option C is correct.
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What helps the plasma membrane function? channels and chain-like structures O pumps and gelatin-like material O nuclei and endoplasmic reticula O chloroplasts and mitochondria
Answer:
channels and chain-like structures
Explanation:
The plasma membrane contains channels that favor the transport of materials from both sides, i.e., from the intracellular medium to the extracellular environment. Membrane channels are a class of proteins that enable the passive transport of ions and chemical compounds by using the electrochemical gradient in both sides of the membrane. For example, channel proteins in the cell membrane known as aquaporins enable the transport of water across the cell membrane much more rapidly than by diffusion across this barrier.
1. Why do we have so many satellites "looking
into the universe?
Which of the following methods is the most desirable way to reduce overall hazardous waste?
A)
the substitution of safer products that do not produce hazardous waste
B)
the underground storage of all hazardous waste
C)
the layering of hazardous waste with soil until the effect of the waste dissipates
D)
the incineration of all hazardous waste
Answer:
D) the incineration of all hazardous waste
Explanation:
The method of incineration is the most desirable way to reduce overall hazardous waste because which can detoxify and destroy certain organic wastes.
Some of the different types of incinerators are the multiple-hearth furnace, fluidized-bed incinerator, rotary kiln, and liquid-injection incinerator.
Hence, the correct answer is "D".
Answer:
the answer is D
Explanation:
8. Give an example of how applied science has had a direct effect on your daily life.
An example of how applied science has had a direct effect on my daily life is the use of computers and the internet.
I use computers and the internet on a daily basis for a variety of tasks, including:
Communication: I use email, social media, and video chat to stay in touch with friends and family.Work: I use computers to do my job, which involves research, writing, and editing.Entertainment: I use computers to watch movies, listen to music, and play games.Education: I use computers to learn new things, such as how to code or how to play a musical instrument.The use of computers and the internet has had a profound impact on my life. It has made it easier for me to communicate with others, to work, to be entertained, and to learn new things. Applied science has had a profound impact on our lives, and it will continue to do so in the future.
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Which usually will allow one group of scientists to repeat an experiment performed by another group of scientists?
Answer: Hi!
The answer to this question will be D, "knowledge of the entire investigation carried out by the original group of scientists". A group of scientists need to know exactly what went on before in the experiment so they can replicate it without making any mistakes. If they do something different than the first group, it's not a valid replication, because their results will be different.
Hope this helps!
11. All living things are made of cells.
True
False
Answer:
True
Explanation:
Cells are a crucial part of any living thing. This is what they provide:
Provide structure for the human bodyTake in nutrients from foodConvert those nutrients into energyCarry out specialized functionsEvery living thing has one or more cells at least. Without them, we couldn't survive. If living things didn't have cells, they wouldn't be living.
Therefore, the answer is true. All living things are made of cells.
Which is not a nicotine substitute?
A nicotine patch
B nasal spray
C nicotine gum
D herbal cigarettes
On the map, which symbol represents a cold front? Choose the correct letter.
A.
A
B.
B
C. c
D. D
Keep your heels on the ground" is an appropriate cue to give clients during which of the following movements?
A. Dumbbell incline bench press
B. Squat
C. Lunge
D. Bench press
Answer:
If the selection squat is there to select from, it's that one. This is assuming your question is referring to the barbell squat. The workout individual would need to keep chest up and the rhomboids contracted. This allows the area to create a "shelf" for the bar to have an area to rest on the back.
Explanation:
To "Keep your heels on the ground" is an appropriate cue to give clients during Squat movements
First of all, we have to understand the answer above, we have to know what the term Squat is all about.
In Body weight exercise, the term "Squats" simply refers to when an individual stands up with his/her own feet being about a shoulder-width apart from each other and then a tiny and quick turned out movement with your weight all in your heels. then link your hips to sit your back side back and thereafter the person bend down his/her knees until after which the person's thighs are side by side to the ground. thereafter one has to push through one's heels to stand back upright and lastly the person has to tighten his/her back side and keep their core closed as you stand. To Keep your heels on the ground as related to squat is important to be able to achieve the squatting technique.
Conclusively, we can therefore say that to "Keep your heels on the ground" is an appropriate cue to give clients during Squat movements.
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Suppose you observed that bees prefer a yellow flower that produces more nectar over a purple flower that produces less nectar. List two separate hypotheses that you might make about bees and flowers.
What is the pH of a 0.00125 M HCl solution?
Answer:
[tex]pH=2.9[/tex]
Explanation:
Hello,
In this case, the pH is computed by:
[tex]pH=-log([H^+])[/tex]
Whereas the concentration of hydrogen ions equals the concentration of the acid for strong acids such as hydrochloric acid (HCl) due to its complete ionization in solution, which means that such concentration is 0.00125 M. Thus, the pH turns out:
[tex]pH=-log(0.00125)\\\\pH=2.9[/tex]
Regards.
By definition, the pH of a 0.00125 M HCl solution is 2.90.
You need to know that pH is the Hydrogen Potential. It is a measure of acidity or alkalinity that indicates the amount of hydrogen ions present in a solution or substance.
Mathematically, pH is calculated as the negative base 10 logarithm of the activity of hydrogen ions:
pH= - log [H⁺]
The numerical scale that measures the pH of substances includes the numbers from 0 to 14. The pH value 7 corresponds to neutral substances. Acidic substances are those with a pH lower than 7, while basic substances have a pH higher than 7.
On the other side, a strong acid is an acid that dissociates completely in solution at constant temperature and pressure. Under these conditions, the concentration of a strong acid is equal to the concentration of hydrogen ions (Hydronium or H₃O⁺).
In this case, HCl is a strong acid. Then: [HCl]= [H⁺]= 0.00125 M
Reeplacing in the definition of pH:
pH= - log 0.00125 M
Solving:
pH= 2.90
Finally, the pH of a 0.00125 M HCl solution is 2.90.
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Answer:
an agglutinogen is any antigen, or foreign cell, toxin, bacteria, or anything else that gets the immune system reacting, that makes your body generate agglutinins. ... Agglutinins have multiple arms that can bind onto agglutinogens. This means one agglutinin can hold lots of invading pathogens together
Explanation:
Which statement concerning the energy in this
pyramid is correct?
A. Consumer 3 contains the greatest amount of
stored energy
B. Stored energy decreases from Consumer 2 to
Consumer 3.
C. Stored energy increases from Producer to
Consumer 1.
D. Producer organisms contain the least amount of
stored energy.
Answer:
B. Stored energy decreases from Consumer 2 to
Consumer 3.
Explanation:
As energy is transferred from one trophic level to another on the pyramid, the amount of stored energy available for those above a trophic level decreases.
The greatest amount of energy is found at the bottom of the pyramid, where we have the producers.
Consumers at the top of the pyramid have the least amount of stored energy.
The statement that is correct about the pyramid is: "B. Stored energy decreases from Consumer 2 to
Consumer 3."
Which types of chromosome mutations a.Increase the amount of genetic material in a particular chromosome
Answer:
Chromosomal rearrangements encompass several different classes of events: deletions, duplications, inversions; and translocatio.
the strong, lower part of the mantle
between the asthenosphere and the outer
core
Answer:
The Mesosphere
Explanation:
For each of the diploid genotypes presented below, determine the genetic make up for all of the possible haploid gametes.
a. Rr
b. RrYy
c. rrYy
d. RrYY
e. RrYyBb
Answer:
a. R and r
b. RY, Ry, rY, and ry
c. rY and ry
d. RY and rY
e. RYB, RYb, RyB, Ryb, rYB, rYb, ryB, and ryb
Explanation:
According to Mendelian principle, a gene is made up of 2 alleles and these alleles segregate during gametes formation to randomly unite back during fertilization. Hence;
Rr can only segregate as R and r
RrYy can segregate as RY, Ry, rY, and ry
rrYy can only segregate as rY and ry
RrYY can only segregate as RY and rY
RrYyBb can segregate as RYB, RYb, RyB, Ryb, rYB, rYb, ryB, and ryb
Each of the diploid genotypes are:
R and r RY, Ry, rY, and ry rY and ry RY and rY RYB, RYb, RyB, Ryb, rYB, rYb, ryB, and rybAccording to Mendel's Law of Segregation.
What is Mendel's law of segregation assortment?
For the F2 generation, the law of segregation requires that each gamete acquire either an R allele or an r allele along with either a Y allele or a y allele.
The law of independent assortment says that a gamete into which an r allele is sorted would be equally likely to contain either a Y allele or a y allele.
Thus, is based on Mendel's law of segregation assortment.
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You have performed exome sequencing and have identified a gene in which two different mutant forms are prevalent. Each mutation is a missense mutation, but they are found in different parts of the gene. What can you conclude about these mutations
Answer:
Missense mutations may have different effects
Explanation:
A missense mutation is a single base-pair nucleotide change that causes an amino acid substitution in the resulting protein chain. A missense mutation may have distinct effects depending on the amino acid that is replaced in the mutated protein. For example, it is expected that the substitution between similar amino acid residues (such as, for example, leucine and isoleucine) may have no effect, while the replacement of one amino acid with another amino acid with different properties/charges/functional groups may render the protein nonfunctional. Similarly, it is expected that missense mutations localized at different exons/gene regions render different functional effects on the resulting protein isoforms.
In this week's experiments, if you replaced glucose with the monosaccharide fructose, predict the results for fructose transport under all 4 conditions. Explain your prediction.
Answer: Fructose is transported by facilitated diffusion.
Explanation:
Glucose is a monosaccharide with the molecular formula C6H12O6.3 It is a hexose. It is a form of sugar that is found freely in fruits and in honey. Its energy yield is 3.75 Kcal/g under standard conditions.
Fructose is a type of carbohydrate found in vegetables, fruits, and honey. It is a monosaccharide with the same molecular formula as glucose, C6H12O6, but with a different structure, that is, it is an isomer of glucose. Its energetic power is the same as that of glucose, 4 kilocalories per gram, and it is a reducing carbohydrate.
Glucose is the main energy substance of a cell and for its entry it requires a transport protein in the cell membrane, called transporter. The transport of glucose through the cell membrane is carried out by two families of membrane proteins:
Sodium-coupled glucose transporters (SGLT sodium-glucose-transporters), which involves the co-transport of Na+ by the SGLT-1 by maintaining the Na+ gradient thanks to the Na+/K+ pumpGlucose transport facilitation proteins (GLUT)On the other hand, fructose is absorbed by another type of transporter, called Glut-5, a protein that crosses the membrane 12 times. Finally, the passage of both glucose and fructose into the blood takes place through the Glut-2, a transporter with low affinity and high transport capacity.
If any Glut is considered within the context of a large family of proteins, it can be immediately noticed that they all possess common characteristics that in biochemical terms are called "molecular signature of glucose transporters" and that it is no more than a set of extremely conserved primary amino acidic sequences that determine secondary and tertiary structures (domains or motifs) that are responsible for the functional characteristics of the protein.
Facilitated diffusion is a type of cellular transport where the presence of a carrier or transporter (integral protein, Glut is this example) is necessary for substances to cross the membrane. It happens because the molecules are larger or insoluble in lipids and need to be transported with the help of membrane proteins. So, in the first step, fructose binds to the transport protein, and this changes shape, allowing the passage of this sugar. In this way, fructose concentrations inside the cell are always very low, and the external and internal concentration gradient favours diffusion.
Summarizing, fructose is transported by facilitated diffusion. So if we replaced glucose with fructose we would have seen no change in each conditions. And since fructose is transported by this type of mechanism, there is not a concentration gradient.
Which of the following accurately describes the distribution of dissolved carbon dioxide gas in the ocean?
A. Carbon dioxide levels are highest at the ocean surface, where it's produced through photosynthesis
3. Carbon dioxide concentrations decrease with depth due to more uptake and decomposition of organic matter at depth
. Carbon dioxide concentrations increase with depth due to less uptake and decomposition of organic matter at depth
D. Carbon dioxide levels are lowest at the ocean surface, where it's produced through decomposition
Answer:
C; Carbon dioxide concentrations increase with depth due to less uptake and decomposition of organic matter at depth.
Explanation:
I hope this helps you:)
Proteins and fats are important for the cel. Which organelle below does NOT play a role in the production of one or more of these important substances?
Answer:
mitochondria
Explanation:
Mitochondria are organelles found in eukaryotic cells that are capable of generating the main part of the energy required for the cellular biochemical reactions. In addition, mitochondria are also involved in distinct biological functions including, among others, cell signaling, death, differentiation and growth. It is believed that mitochondria evolved from prokaryotic organisms which introduced inside others to form eukaryotic cells, this theory is known as the 'endosymbiotic theory'.
NEED ANSWERED ASAP The food webs below model relationships among the organisms in two ecosystems. Which ecosystem would be more likely to survive if a disease killed the grasses? A) The forest ecosystem, because most of the animals can eat other organisms B) The grassland ecosystem, because several predators compete for food C) The forest ecosystem, because it has three top predator D) The grassland ecosystem, because it has many herbivores
The correct answer is A) The forest ecosystem, because most of the animals can eat other organisms.
Explanation:
The web food of the forest ecosystem shows only crickets and mice need exclusively grass, while in the grassland ecosystem there are four different animals that feed exclusively on grass. Also, in the grassland ecosystem, these four organisms are the food for other animals. This means if there was no grass all organisms in the web will be negatively affected.
This phenomenon would not occur in the forest ecosystem because even if crickets and mice cannot feed on grass and they disappear in the ecosystem, their predators such as raccoons or skunks can eat other organisms such as ducks or squirrels that do not depend on the grass. Moreover, organisms such as butterflies or mosses that depend on grass and other types of vegetation can survive. According to this, the ecosystem that would most likely survive is the forest because most animals can eat other organisms (Option A.)
the answer is A
i mean, if you think about it-
obviously D. and B. grassyland ecosystem, wouldnt survive. cause they live off grass. so eliminate that. now we have: C and A.
now lets look. eliminate C. why? well cause just because it has top 3 predators, it doesnt mean it will survive. now bOoM. your answer is A.
Hypotonic and hypertonic describe the concentration of the _____.
Answer:
solute and solvents in a solution.
Explanation:
viruses lack all of these characteristics of living things except
Answer:
living viruses
viruses have genetic material, DNA or RNA
they undergo mutation
they can show irritability
able to reproduce
are resistant to antibiotics
they aldo react to heat, radiation, and chemicals.
non living viruses
lack cell membrane and cell wall
can't grow
dependent on the host to reproduce
are inert outside of the host
Which two substances are needed for cellular respiration
Just in case someone needs the answer it’s Carbon Dioxide and Oxygen <3
Answer:
oxygen carbon dioxide
Explanation:
cause
what is an atoms atomic number? the number of electrons in an atom the number of neutrons in an atom the number of protons in an atom the number of bonds in an atom
Answer:
C
Explanation:
Cause its C
the idea that government is not above the law is an example of the principle of
Answer:
limited government
Explanation:
a limited government is the idea that certain restrictions should be placed on government to protect the natural rights of citizens.
Answer:
the rule of law
Explanation:
becus ik
Which statements regarding hypotheses are true?
Check all that apply.
Hypotheses are based on observations.
B. Hypotheses are written when experiments
are complete.
C. Hypotheses are formed from testable
questions.
D. Hypotheses are tested with controlled
Experiments
Easy Question. Will Mark Brainliest
What happened to the population of Atlantic cod in 1992 as a result of the increased fishing pressure?
Atlantic cod were driven to extinction
The population of Atlantic cod increased
The population of Atlantic cod remained steady
The population of Atlantic cod underwent a dramatic decline
Answer:
D. The population of Atlantic cod underwent a dramatic decline
Explanation:
Atlantic cod is known for heavily fished species and north European fishers use to do fishing there for thousand years.
The fishing practice was known to support the US and Canada fishing economy until 1992 but after 1992, a drasctic decline in the population of Atlantic cod was noticed due to increased fishing pressure and there was a ban on fishing in Atlantic cod after that.
Hence, the correct option is "D".
Answer:I do but give the other person brainliest
Explanation:
Please answer this scientific question quickly
What would happen if all the major mountain ranges, particularly in the north hemisphere were gone? The Rockies, Himalayas, the Alps, etc. Think of specific impacts to winds and global wind patterns.
Answer:
These big and hefty mountain ranges are play important role in weather and wind patterns in their related geographical region. Mountain ranges such as Himalayas, Rockies and Alps affects the weather and movement of wind on global level as well.
In absence of these mountains the global pattern of the wind can be affected and cause drastic change in global climate change as they play crucial role as barrier to wind and jet streams by diverting or dividing it.
For instance Himalayas, during the northern winters diverts the wind and acts as barrier for wind which prevents it from freezing. Rockies and Andies blocks the moisture laden winds flow from Pacific Ocean to western flanks of the american continent that leads to a dry region called rain Shadow desert zone.
Hence if these mountain ranges are gone these impacts will not be felt. Similarly Himalayas in India, cause monsoon wind to strike and cause rain in the region. So winds are greatly affected by these Mountains. If these mountain ranges were gone, winds will flow undisturbed as there would be no barrier to global wind patterns.