Answer:
All minerals are solid. All minerals form crystals.
how do you think these bones are involved in a whale's movement ?
Answer:
Explanation:where are the bone's, you didn't list them
According to cell theory, which of the following are
made of cells? Check all that apply
flowers
rocks
blood
water
bactena
sugar
skin
Wastewater treatment plants can make wastewater drinkable again. Which of
the following is a technology used to remove disease causing organisms
from wastewater?
O
A. Allowing solid wastes to settle out of the water
O
B. Adding bacteria that digest waste to the water
O
c. Skimming materials from the surface of the water
O
D. Releasing treated water into nearby streams
The technology used to remove disease-causing organisms from wastewater at treatment plants allows solid wastes to settle out of the water. Hence, the correct option is A.
Wastewater treatment plants can make wastewater drinkable again by removing disease-causing organisms from wastewater. The technology used for this purpose is disinfection, which involves treating the water with chlorine, ozone, ultraviolet light, or bleach to kill most microbes. This step is crucial in ensuring the water is safe for human consumption and preventing waterborne diseases.
Allowing solid wastes to settle out of the water is part of the primary treatment which primarily removes solid and organic matter.Adding bacteria that digest waste to the water is part of the secondary treatment process, where aerobic bacteria decompose organic solids.Skimming materials from the water's surface can happen during pretreatment or throughout the process as part of maintaining water quality.Releasing treated water into nearby streams is typically the final step after the water has been adequately treated and is deemed safe to re-enter the environment.What is the list of the six kingdoms of classification from simplelest to most complex?
Answer:
Archaebacteria.
Eubacteria.
Protista.
Fungi.
Plants.
Animals.
Explanation:
I remember this when I did physical science in high school.
Someone help me with this question. Thx
Answer:
Because it is the number one souce of oxygen on the armosphere and photosynthesis makes food from sunlight, carbon dioxide, and water
Extension: If one mole of glucose contains 2870 KJ of energy and one mole of ATP releases 30.7 KJ of energy during a reaction, what is the percentage of energy in glucose that is available for the body to use?
The percentage of energy in glucose that is available for the body to use is 40.6%.
Explanation:
Total used energy is the energy released by the hydrolysis of one mole of ATP and it is 30.7 kJ.
The total possible energy (used pus released as heat) is 2870 kJ.
Hydrolysis of 38 moles ATP gives = 38 [tex]\times[/tex] 30.7
= 1166.6 kJ of useful energy
The percentage of energy is transformed into useful energy, we can calculate by simple proportion,
2870 : 100 = 1166.6 : x
x = (1166.6 [tex]\times[/tex] 100) / 2870
x = 40.6% of energy is transformed into useful energy.
40.6 % is the percentage of energy in glucose that is available for the body to use.
Explanation:
We know that during cellular respiration one mole of glucose gives 38 molecules of ATP.
Given that 1 mole of ATP gives 30.7 KJ of energy.
So 38 molecules of ATP would give
38 x 30.7 KJ of energy.
= 1166 KJ would be yielded by 38 moles of ATP.
1 mole of glucose contains 2870 KJ of energy.
100 % of energy is released in glucose metabolism and x percent is used. It is given by the equation
2870: 100 = 1166:x
x= [tex]\frac{1166 x 100}{2870}[/tex]
= 40.6 %
40.6% of energy is available for the body to use and rest of the energy is dissipated in the form of heat when 1 mole of glucose undergoes combustion in cellular respiration producing 38 moles of ATP.
In prokaryotes, certain proteins act to regulate genes by binding to DNA. What could be the effect of these binding proteins? Select all of the answers that apply.
A. They may act to turn on gene transcription.
B. They may act to turn off gene transcription.
C. They may become added to DNA, and then be transcribed.
D. They may remove a gene from DNA.
E. They may alter the nucleotide sequence in a gene.
The effect of these binding proteins include the following below
They may act to turn on gene transcription.They may act to turn off gene transcription.Prokaryote are organisms which lack a defined nucleus as a result of the
absence of the nuclear membrane. Certain proteins bind to DNA and help
in the process of gene regulation to ensure adequate replication.
The effects either turns the gene transcription on and off which is the
process that involves making copies of RNA copy of a gene sequence in the
organisms.
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How would you distinguish adaptations and variations for a younger student?
"Imagine a Polar Bear. You know they live in the Arctic, but then the Summer season comes. The polar bear has to move away from the breaking ice. Once the heat kicks in, the polar bear's warm fur makes it harder to survive. The bear has the ability to last in the heat for a long while, going back and forth into the water and land. After a while of doing this, the polar bear's fur becomes suited to the harsh light. Once Winter returns, the bear waits for the heat to fade and for the ice to form back. Once the ice is formed, the polar bear knows that its back to its old warm fur procedure."
Generally, It has been possible to the distinguish between the species in which there are a lot of the variations and two species by analyzing the DNA sequences.
Sequence homo-logy would makes has the reference to the similarity between the DNA sequences of two different organisms. The linear order of the nucleotides in DNA sequences can be used to distinguish species.
There are regions in the DNA molecule that exhibit more variation between species than within a species, which can be used to separate different species.
It is possible to distinguish between a species in which there are a lot of variations and two species by analyzing DNA sequences.
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What does the pH scale measure? What number is neutral? Basic? Acidic?
The pH scale measures the acidity or basicity of any solution under optimum conditions.
What is pH?pH may be defined as a figure that estimates the acidity or alkalinity of a solution on a logarithmic scale.
On the pH scale, the number 0 to 6 represents the acidity of the solution, 8 to 14 represents the basicity of the solution and the number 7 is the neutral one.
Therefore, it is well described above.
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Which of the following is a function of the cell membrane?
producing energy
creating new cells
eliminating of waste
replacing damaged cells
Answer:
Eliminating of waste
Explanation
Cell membrane plays a very important role in role in the exchange of materials. When the level of a certain material raised from a specific level and outside the cell the level of that material is low. Then that material moved from higher to lower level through the cell membrane. This process is called as diffusion. And by this method waste material eliminate from the cell.
Order the steps in a Scientific Investigation. (PLEASE ANSWER ASAP)
Answer:
ask a question, make a hypothesis, plan investigation, carry out investigation, organise data, share results, explain results, think of new question and retest.
Explanation:
Sorry if thats not the way your school does it but thats how I was taught :)
Answer:
1) Ask a question.
2) make a hypothesis
3) Plan the investigation
4) Carry out the investigation
5) Organize data just collected
6) Explain results (conclusion)
7) Share results
8) Think of new question and retest.
Explanation: For every problem we make a hypothesis. Hypothesis is a statement that may true or false. Then we test the hypothesis by performing many experiments and collect the data. Then we draw a conclusion.
Describe the structure of a phospholipid use the term polar and nonpolar in your answer
Answer:
Key Points
# Phospholipids consist of a glycerol molecule, two fatty acids, and a phosphate group that is modified by an alcohol.
# The phosphate group is the negatively-charged polar head, which is hydrophilic.
#The fatty acid chains are the uncharged, nonpolar tails, which are hydrophobic.
#Since the tails are hydrophobic, they face the inside, away from the water and meet in the inner region of the membrane.
#Since the heads are hydrophilic, they face outward and are attracted to the intracellular and extracellular fluid.
#If phospholipids are placed in water, they form into micelles, which are lipid molecules that arrange themselves in a spherical form in aqueous solutions.
Terms:
#micelleLipid molecules that arrange themselves in a spherical form in aqueous solutions.
#amphipathicDescribing a molecule, such as a detergent, which has both hydrophobic and hydrophilic groups.
:Defining Characteristics of Phospholipids:
Phospholipids are major components of the plasma membrane, the outermost layer of animal cells. Like fats, they are composed of fatty acid chains attached to a glycerol backbone. Unlike triglycerides, which have three fatty acids, phospholipids have two fatty acids that help form a diacylglycerol. The third carbon of the glycerol backbone is also occupied by a modified phosphate group However, just a phosphate group attached to a diacylglycerol does not qualify as a phospholipid. This would be considered a phosphatidate (diacylglycerol 3-phosphate), the precursor to phospholipids.
A phospholipid is a lipid molecule that forms the basis of cell membranes. It has a polar head that is attracted to water, and nonpolar tails that repel water. In an aqueous environment, this causes phospholipids to arrange themselves into a bilayer which selectively allows substances pass in and out of the cell.
Explanation:A phospholipid is a type of lipid molecule that is a key component of all biological membranes. It has a unique structure which includes a polar head and two nonpolar tails. The polar head is composed of a phosphate group and is hydrophilic, meaning it is attracted to water. The nonpolar tails are fatty acid chains and are hydrophobic, meaning they repel water. When in a aqueous environment, phospholipids arrange themselves into a bilayer, with the polar heads facing the water and the nonpolar tails facing each other. This structure is crucial to its function in the cell membrane, where it forms a barrier that selectively allows substances to pass in and out of the cell.
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In some chickens, feather color is controlled by codominance. When a black chicken mates with a white chicken, all of the offspring
are covered in both black and white feathers.
A farmer mates a black chicken (BB) with a black and white (BW) chicken.
What are the predicted phenotypes of their offspring?
Answer: 50% BB, 50% BW
Explanation:
The phenotype of the progeny will be BW 50% of the progeny are BB, and 50% of the progeny are BW. Both alleles are expressed in the phenotypic and neither of these two alleles is able to dominate the other.
What is Codominance?Codominance is a type of inheritance in which two alleles of the same gene are expressed differently to produce different traits in an individual. It is the presence of multiple dominant alleles for the same gene.
For the above given information,
Black chicken (BB) cross with black-and-white (BW) chicken. The gametes will be B, B, and B, W.
So, 50% of the offspring is BB black chicken and 50% is black-and-white (BW) chicken.
Thus, the phenotype of the progeny will be BW 50% of the progeny are BB, and 50% of the progeny are BW. Both alleles are expressed in the phenotypic and neither of these two alleles is able to dominate the other.
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Which food chain is part of this food web?
A. Kelp → zooplankton — sea otter - bald eagle — rock ptarmigan
B. Kelp – phytoplankton – plants – rock ptarmigan – bald eagle
C. Bald eagle – sea gull — mussel – zooplankton – phytoplankton
D. Phytoplankton — zooplankton — fish — sea gull – bald eagle
Answer:
Which food chain is part of this food web?
Phytoplankton — zooplankton — fish — sea gull – bald eagle
Explanation:
From the above question, every food web must start with a producer which is the phytoplankton here in order to complete such food chain or to make it balanced. Phytoplankton — zooplankton — fish — sea gull – bald eagle
Food chain or web starts from the least to the peak or highest feeder
which statement best describes two objects experiencing a gravitational interaction?
Answer:
C. The objects can only attract each other and the force depends on their masses.
Explanation:
These are the answers to the question. The correct answer is going to be C. The objects can only attract each other and the force depends on their masses. I know this, because I got it wrong and that was the right answer.
A.
The objects can only repel each other and the force does not depend on their masses.
B.
The objects can attract and repel each other and the force depends on their masses.
C.
The objects can only attract each other and the force depends on their masses.
D.
The objects can attract and repel each other and the force does not depend on their masses.
Final answer:
The correct statement is that two objects experiencing gravitational interaction can only attract each other, and the force depends on their masses. This gravitational force is always attractive and follows Newton's universal law of gravitation, which involves both mass and distance but does not allow for repulsion.
Explanation:
The statement that best describes two objects experiencing a gravitational interaction is: The objects can only attract each other and the force depends on their masses. This interaction is dictated by Newton's universal law of gravitation, which states that every particle in the universe attracts every other particle with a force along a line joining them. The gravitational force is directly proportional to the product of the masses of the objects and inversely proportional to the square of the distance between them.
According to Newton's third law, the magnitude of the force is the same on both objects, regardless of their mass difference, as the gravitational attraction acts along a line joining the centers of mass of the bodies involved. Gravitational force is always attractive; it never causes objects to repel each other. Consequently, the correct answer is B.
2 Points
Which of the following is a good reason to use a simulation in an
experiment?
One of the good reason to use simulation in an experiment is to predict the outcome of an event in the real world.
Explanation:
Simulation is a programming software which helps in imaging or easy understanding of any experimental concept virtually. For example, if we enter the details regarding an element, the simulation can draw the structure of that element. Also it may predict the working of the bonds and other parameters in different conditions based on classical and quantum theoretical laws. So a researcher can compare the results obtained from simulation and also from experimental results.
In other words, simulation will help a researcher to have an assumption about the behavior of the sample in real world conditions.
Which side effect is directly caused by draining the groundwater from a region?
Ground water pumping is the side effect that is directly caused by draining the groundwater from a region.
Explanation:
The ground water depletion is caused by the sustained ground water pumping, deterioration of water quality, reduction of water in streams and lakes or land subsidence.
The negative effects of ground water depletion are Lowering of water table, increased costs, reduced surface water supplies, land subsidence and water quality concerns.
Pollution is the main causes of groundwater depletion. For example pesticides and fertilizers move to the groundwater supplies over time. Road salt, toxic substances from mining sites, and used motor oil also drain into groundwater.
What is the best description of the chromosomes by the end of metaphase of mitosis?
The chromosomes reach opposite sides of the cell and begin to be incorporated into two new nuclei.
The chromosomes have coiled and become more compact.
The chromosomes separate at the centromere and begin to move apart.
The chromosome pairs collect in a line across the middle of the cell.
Answer:
The chromosome pairs collect in a line across the middle of the cell.
Explanation:
Chromosomes at the conclusion of the mitotic metaphase aligned of chromosomal pairs forms in the center of the cell, hence option d is correct.
What is mitosis?When this complex is activated, mitosis's metaphase comes to a close and anaphase begins. The two new cells will be identical since the chromosomes are in alignment and have sister chromatids on opposite sides of the metaphase plate.
Mitosis is a cell cycle that promotes cell proliferation and the replacement of damaged cells, thus, mitosis produces two daughter cells that are identical to one another.
All eukaryotic cells divide through mitosis, with the exception of germline cells, which produce gametes through meiosis.
Therefore, by the end of the metaphase of mitosis chromosomes are aligned at the midpoint of the cell, hence option d is correct.
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How did Griffith help build our understanding of genetics
Air pollution cannot be directly fatal to humans.
Please select the best answer from the choices provided
T
F
Answer:
The correct answer is false since air pollution is a fusion of solid particles and gases in the air. This kills many of Americans every year.
on 2
Where is energy made in a cell?
Select one:
a. In ribosomes
b. In the mitochondria
c. In the cytoplasm
d. In the nucleus
A scientist is studying an organism with a mutation which reduces the efficiency of tetrad formation. This defect would most likely affect the ability to:
Final answer:
A mutation that reduces the efficiency of tetrad formation would affect the ability of an organism to undergo meiosis properly, leading to errors in crossing over and recombination.
Explanation:
A mutation that reduces the efficiency of tetrad formation would most likely affect the ability of an organism to undergo meiosis properly.
Tetrad formation occurs during prophase I of meiosis, when homologous chromosomes pair up and form structures called tetrads. This process allows for crossing over and genetic recombination, which are important for genetic diversity.
If the efficiency of tetrad formation is reduced, it could lead to errors in crossing over and recombination, resulting in abnormal chromosome segregation and reduced genetic diversity.
10. When a certain plant is without water for an extended period of time, Guard cells close openings in the leaves of the plant. This activity conserves
water and illustrates
A) maintenance of a dynamic equilibrium through detection and response to stimuli.
B) a response to one biotic factor in the environment
C) cellular communication involving the action of nerve cells and receptor sites
D) an increase in rate of growth due to a low concentration of water
Explanation:
(B) A response to one biotic factor in the environment.
Three distinctive natural elements influence the opening and shutting of a plant stoma such as light, water and carbon dioxide fixations. Plant stomata close in haziness and when conditions are dry. Since plant cells need carbon dioxide for photosynthesis, carbon dioxide fixations are another key factor.The Stomatal pores in plants The solutes inside them by opening and The measure of water and shutting their guard cells utilizing osmotic weight. The end goal for plants to deliver vitality and keep up cell work, their cells experience the profoundly complex procedure of photosynthesis. Basic right now the stoma. A few ecological elements influence stomata opening, including hormone, light quality and force, air moistness, barometrically CO2 focus, biotic and abiotic stresses.Explanation:
Two profoundly particular cells, the guard cells that encompass the stomatal pore, can coordinate natural and endogenous signals so as to control the stomatal gap and consequently the gas exchange.The take-up of [tex]CO_2[/tex] is related with lost water by leaves. Control of the size of the stomatal opening upgrades the productivity of water use through powerful changes in the turgor of the guard cells. The opening and shutting of stomata is controlled by the reconciliation of environmental signals and endogenous hormonal stimuli.Select all the correct answers.
Which two statements are true for fungi?
They can produce their own food because they have chlorophyll.
They often form symbiotic relationships with trees.
They digest food externally.
They can absorb nutrients from food, even though they lack digestive enzymes.
Answer:
They often form symbiotic relationships with trees and they can digest food
b and c
Explanation:
Based on the root vict, what does the word victorious mean?
A) having experienced something
B) having stolen something
C) having seen something
D) having won something
idk
Answer:
having experienced something
ANSWER::::::)))))))))))))))) having experience in something
Although science strives for objectivity by basing conclusions and explanations on data gathered during scientific investigations, some
subjectivity still exists in science, since it is a human endeavor. What beneficial qualities exist in scientific processes, methods, and
knowledge as a result of science being a human endeavor?
OA. creativity and discovery
OB. bias and favoritism
Oc. inaccuracies and errors
OD. all of these
The answer is A: Creativity and discovery
You tested for the presence of four different
by adding
three test tubes
to the
DONE
NUTRIENTS & INDICATORS
You tested for the presence of four (4) different nutrients by adding indicators to the three (3) test tubes.
What are nutrients?Nutrients can be defined as the chemical compounds or substances that are present in food, and they're needed by the body of a living organism for healthy growth, reproduction, development, functioning, and reproduction.
Generally, there are different types of nutrients and these include the following:
ProteinFatCarbohydrate VitaminsMineralsBased on the experiment conducted, we tested for the presence of four (4) different nutrients that can be found in a variety of foods by adding indicators to the three (3) test tubes.
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What were Punnett squares developed to do?
to predict the probability of offspring phenotypes
to predict the probability of offspring genotypes
neither of the above
Answer: to predict the probability of offspring genotypes
Explanation: Punnett squares are developed to predict the probability of offspring genotype. Punnett square is a square shaped diagram used for predicting the possible genotypes of a cross between two organisms. Punnett square is named after Reginald C. Punnett, who invented the approach. In punnett squares, the genotypes of the parents are written on the top and left hand side of the square while the possible genotypes of their offsprings are written in the boxes.
Answer:
He is correct
Explanation:
Which market structure predominantly uses products differentiation to attract consumers
Answer: Monopolistic competition
Explanation:
Answer:
Monopolistic competition
Explanation:
this is the right answer for Edmentum/Plato
If the producer have 35,000 kg of biomass, calculate and label the amount of biomass at the other 4 levels
Answer:
If the producer have 35,000 kg of biomass so the primary consumers have 3500 kg of biomass, the secondary consumers have 350 kg of biomass and tertiary consumers have 35 kg of biomass.
Explanation:
Primary consumers are those organisms which feed on producers. Only 10 percent of energy is transferred from producers and the remaining is lost in the form of heat energy. Secondary consumers feeds on primary consumers and tertiary consumers are those organisms which feed on secondary consumers. In each trophic levels, only 10 percent of energy is transferred and 90 percent is lost as heat.