Answer:
Even when equilibrium is reached, particles of a solution will continue to move across the membrane in both directions. However, because almost equal numbers of particles move in each direction, there is no further change in concentration.
Explanation:
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A X O L O T L
Aquatic nitrate pollution can result in _____. algal bloom oxygen depletion fish kills hypoxia an algal bloom that, when the algae die and are decomposed by bacteria, leads to hypoxia and the death of fish
Aquatic nitrate pollution can result in algal bloom that when the algae die and are decomposed by bacteria, leads to hypoxia and the death of fish.
What is algal bloom?Algal bloom is a dense spread of algae on the surface of water.
Algal bloom is caused by a process of eutrophication, which is the release of artificial or natural nutrients, mainly phosphates, through detergents, fertilizers, or sewage, to an aquatic system.
Therefore, it can be said that aquatic nitrate pollution can result in algal bloom that when the algae die and are decomposed by bacteria, leads to hypoxia and the death of fish.
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someone please help me
Which of these equation is the correct one for fermentation?
❍ Glucose + oxygen → carbon dioxide + water
❍ Glucose → lactic acid
❍ Glucose → ethanol + carbon dioxide
☣ Explanation -:To understand this first we should know what is fermentation.
What is fermentation?
A process of chemical change in food or drink because of the action of yeast which may cause it to produce bubbles or heat, or turn sugars in it into alcohol.
Equation -:
[tex] \small\sf{C_{6}H_{12}O_{6} \rightarrow2C_{2}H_{5}OH + 2CO_{2}} [/tex]
Which means
Glucose → ethanol + carbon dioxide
Hence opition c is the correct answer.3. what is a catalyst? explain the effect of a catalyst on the rate of chemical reactions. how does a catalyst influence the activation energy required by a particular reaction?
A catalyst is a chemical substance that speeds up chemical reactions by lowering the activation energy.
What is the activation energy?The activation energy of a reaction is the amount of energy required to carry out a chemical reaction.
Proteins are biological catalysts that speed up chemical reactions by lowering their activation energy.
In conclusion, a catalyst is a chemical substance that speeds up chemical reactions by lowering the activation energy.
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Which of the following planets has the largest orbital radius compared to the others?
Group of answer choices
Jupiter
Mercury
Saturn
Venus
Answer:Jupiter
Explanation:
is the largest of all the planets. It has a radius of 71,492 kilometers at the equator and a radius of 66,854 kilometers at the poles
In a metapopulation, source populations are species that are likely to have more individuals immigrating to habitat patches than other species. This means that source populations:
In a metapopulation, source populations are species that are likely to have more individuals immigrating to habitat patches than other species. This means that source populations can inhabit the largest suitable ecological patch.
What do you mean by Population?A population may be defined as the members of the same species living in a particular area at a given time.
A metapopulation is a collection of the regional populations within some more extensive area, where migration from one population to another is possible.
Therefore, it leads to inhabiting the largest suitable ecological patch.
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Explain the changes that happen in the body before and after exercise
Answer:
While exercising, the muscles need additional energy as the breathing rate and volume of each breath increase to bring more oxygen into the body and remove the carbon dioxide produced. If insufficient oxygen is available to the muscles, for instance, the exercise is vigorous and/or prolonged, the heart and lungs are unable to supply sufficient oxygen. Muscles begin to respire anaerobically. Lactic acid is produced from glucose, instead of carbon dioxide and water. Muscles continue to contract, but less efficiently. When a period of exercise is over, lactic acid must be removed, because the body's tolerance to lactic acid is limited. These processes require oxygen. This is why, when the period of activity is over, a person’s breathing rate and heart rate do not return to normal straight away.
Explanation:
Plastids that are surrounded by more than two membranes are evidence of.
Plastids that are surrounded by more than two membranes are evidence of: secondary endosymbiosis.
What is Immunotherapy? explain in your own words, please:(
During endochondral bone formation, the secondary ossification center never begins to form. What will the developing bone look like
During endochondral bone formation, the epiphyses remain cartilaginous until the stage of adulthood.
What does endochondral generation mean?Endochondral generation is a cellular phenomenon where hyaline cartilage can be replaced with bones.
This phenomenon (endochondral formation) is due to the differentiation of specialized mesenchymal cells to chondrocytes.
Endochondral formation of bones includes:
mesenchymal cells differential gene expression (chondrocytes)proliferation bone formationIn conclusion, during endochondral bone formation, the epiphyses remain cartilaginous until the stage of adulthood.
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Match the biological structure with its metaphorical equivalent Question 5 options: Movie Authors Words Chapter variations Script Sentences Books Chapter numbers Library 1. Nucleotides 2. Genes 3. Allele locations (loci) 4. Alleles 5. Chromosomes 6. Karyotype 7. Parents 8. Genotype 9. Phenotype
1. Nucleotides: A phosphate group, a 5-carbon sugar, and a nitrogenous base are the three components of a nucleotide. Adenine, cytosine, guanine, and thymine are the four nitrogenous bases in DNA. Instead of thymine, uracil is found in RNA. The genetic material of all known living creatures is made up of nucleotides in a chain.
2. Genes: A gene is a small segment of a lengthy DNA double helix molecule that consists of a linear base pair sequence. A gene is any portion of DNA that contains instructions that allow a cell to generate a specific product – usually a protein, such as an enzyme – that performs a single specified action.
3. A locus (plural loci) is a stable location on a chromosome where a certain gene or genetic marker can be found.
4. At a genomic region, an allele is one of two or more variations of DNA sequence (a single base or a segment of nucleotides).
5. Chromosomes are thread-like structures found within the nucleus of both animal and plant cells. Protein and a single molecule of deoxyribonucleic acid make up each chromosome (DNA). DNA is passed along from parents to children and carries the precise instructions that distinguish each living thing.
6. Karyotype: A karyotype is a individual's entire set of chromosomes. A laboratory-produced representation of a person's chromosomes extracted from an individual cell and arranged in numerical order is also known as a chromosomal map. A karyotype can be used to check for chromosomal number or structural problems.
8. Genotype: An organism's genotype is its genetic makeup. From embryonic development to adulthood, the genotype determines an individual's inherited potentials and limitations. In se×ually reproducing organisms, a person's genotype is made up of the whole set of genes acquired from both parents.
9. Phenotype: Physical traits are described by phenotypes. It encompasses both apparent (such as hair or eye color) and measured characteristics (like height or weight). Characteristics relevant to your development and behavior, such as personality traits, are also referred to as phenotypes.
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What is the best way to test a hypothesis? by completing research by designing and performing an experiment by having a scientist make an educated guess by creating a spreadsheet to organize your data
Answer:
by designing and performing an experiment
Explanation:
which part of a green plant shows the greatest increase in chloroplast by the end of spring
Answer:
The leaf shows the greatest increase
Which of the following pieces of information CANNOT be determined from the fossil record?
Answer:
Evidence of every species that ever existed.
Explanation:
Which of the following is not caused by a virus?
Chicken pox
Tuberculosis
Mumps
Measles
Answer:
Tuberculosis.
Explanation:
it is caused by a bacterium which can attack any part of the body such as the kidney, spine, and brain. not everyone infected with TB becomes sick
What is the name of the people who have long inhabited northern norway, sweden, and finland?.
Answer:
The Sámi people are an indigenous people of Northern Europe inhabiting Sápmi, which today encompasses northern parts of Sweden, Norway, Finland and the Kola Peninsula of Russia.If this helps mark me brainliest.Thanks.
Explain the difference between constitutive and facultative skin color in simple words.
Answer:
Constitutive is natural skin color and facultative is the darkening due to UV or other factors.
Explanation:
Constitutive skin color is the natural color of the skin, and that color has nothing to do with any controllable/external factor and is determined in your genes, while Facultative is the result of ultraviolet light or other environmental factors which causes a change in melanin in the skin therefor making it darker
how do the changes in the red blood cells impact homeostasis
Answer:
Red Blood Cell Homeostasis: Mechanisms and Effects of Microvesicle Generation in Health and Disease. Red blood cells (RBCs) generate microvesicles to remove damaged cell constituents such as oxidized hemoglobin and damaged membrane constituents, and thereby prolong their lifespan.
Which factor is most likely to cause a faster rate of blood flow?
A.
decreasing stress
B.
exercising
C.
sickle cell disease
D.
atherosclerosis
Answer:
B. exercising
Explanation:
exercise widens veins and arteries making blood go faster
faster blood means more oxygen to muscles
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The functional units of dna that contain the instructions for making one or more proteins are.
Answer:
The functional units of dna that contain the instructions for making one or more proteins are the "Genes".
Students are modeling mrna during the process of protein synthesis
The mRNA strand is complementary to the DNA template strand; however, uracil instead of thymine is paired with adenine.
How, explain briefly?Protein synthesis which encompasses how gene is used to synthesize proteins consists of two processes namely; transcription and translation.
- Transcription is the process whereby the sequence of a DNA template is used to synthesize a mRNA strand. The mRNA sequence is synthesized using the COMPLEMENTARY BASE PAIRING RULE, which states that Adenine base (A) will always hydrogen pair with Thymine (T) while Guanine (G) will always pair with Cytosine (C).
Thus,This means that the mRNA strand produced is complementary to the DNA template strand that was transcribed. However, Uracil base (U) replaces thymine (T) in the mRNA molecule because Thymine is not found in RNA. Hence, Uracil instead of Thymine pairs with Adenine in the mRNA.
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Some studies have shown that peppermint odor increases people’s mental sharpness, especially when they solve math problems. Which best describes how this could be a valid scientific claim?
if it is tested in a controlled setting with repeated results
if the test is published on Wikipedia
if the scientist was previously peer reviewed
if the math problems are easy problems
The claim could become valid scientifically if it is tested in a controlled setting with repeated results. The correct option is the first option.
Scientific validityA statement without any experimental test is considered a hypothesis in science.
In order for tentative statements to become valid scientific claims, they must be tested experimentally in a controlled setting with the resulting data supporting the claims. The data must also be reproducible by independent researchers.
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Answer: A: If it is tested in a controlled setting with repeated results
Explanation:
I just took the quiz on Edge.
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Which of the ideas below is a good characteristic of a scientific experiment?
A. Small sample size for collecting data.
B. Uncontrolled surroundings
C. Repeated Trials
D. Variable procedures for obtaining data- changing the steps that you follow during an experiment
what is the function dna polymerace
a - bringing amino acids to the ribosome
b - bringing dna to the ribosome
c - linking complementary base pairs to the parent strand
d - turning dna into rna
Explanation:
linking complementary base pairs to the parent strand
ponds were constructed for the purpose of
Answer:
Ponds are used for breeding grounds for these species but also as shelter and even drinking/feeding locations for other wildlife.
Answer:
There is some ponds are constructed for the production of HEP Hydroelectric power,or as the water catchment area in flooded areas.
Cara set the following goal for herself:
I want to be a good softball player.
Please describe the effectiveness of Cara's goal in two to three complete sentences using the MAD goals concept.
The effectiveness of Cara's goal can be achieved using the MAD goals concept when her idea is Measurable, Attainable, and have a Deadline.
What is the Mad goals concept?The MAD Goals are:
MeasurableAttainableDeadline.They should be measurable so students can know if they are making progress towards their goals. They should be attainable because there is no sense in having goals that can never be reached. They should have a deadline so that the student will feel some urgency to reach the goal.
The effectiveness of Nolan's goal can be achieved using the MAD goals concept when her idea is Measurable, Attainable, and have a Deadline. When the cancer donations falls within the defined steps above, she can be able to attain her goal.
Thus, this could be the answer.
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20. calculate the molar enthalpy of vaporization of a substance, given that 0.433 mol of the substance absorbs 36.5 kj of energy when it is vaporized.
The molar enthalpy of vaporization of the substance is 84.3 kj/mol.
What is molar enthalpy of vaporization?Molar enthalpy of vaporization is the energy required to vaporize one mole of a liquid at its boiling point.
0.433 moles of the substance absorbs 36.5 kj of energy when it is vaporized.
1 mole of the substance will absorb 36.5 kJ × 1 /0.433mol = 84.3 kj/mol
Therefore, the molar enthalpy of vaporization of the substance is 84.3 kj/mol.
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This space station has plants growing inside it, and astronauts who eat the fruits and vegetables from those plants. Because it is in space, the station is sealed so no material can get in or out.
The space station is in Earth’s shadow, so no light is getting into it. The sensors in the space station show that carbon dioxide in the air is increasing.
What is happening to the energy storage molecules in the plants and humans in the space station? Explain your answer as completely as possible.
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How does heart failure affect the circulatory system
Answer:
Your heart may not be strong enough to pump out as much blood as your body needs.
Explanation:
As it tries to move more blood, your heart gets larger. It also pumps faster, and your blood vessels narrow to get more blood out to your body.
What is one characteristic of Mercury?
A. It has the densest atmosphere of the terrestrial planets.
B. It has the largest temperature variation of the terrestrial planets.
C. It is the terrestrial planet farthest from the sun.
D. It has the strongest magnetic field of the terrestrial planets.
Answer:
It has a solid surface that is covered with craters like our Moon.
Explanation:
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Select the correct label on the image.
An ecological pyramid shows the transfer of energy. Which level will contain only 0.1% of the total energy obtained from the Sun?
5 kcal
hawk
50 kcal
snakes
500 kcal
mice (rats)
5000 kcal
plants
Biomass (energy) pyramid
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Tertiary consumers receive only 10% of the energy consumed by secondary consumers.
What is secondary consumer?The secondary consumers are meat-eating organisms (carnivores) that consume the primary consumers. Secondary consumers are typically larger and more numerous. All the way to the top of the food chain, this goes on.
This is due to the fact that secondary consumers expend the majority of their energy on growing and reproducing. As a result, tertiary consumers only receive 0.1 percent of the Sun's total energy.
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