Answer:
I think it's B.
Explanation:
In plasmas, Ions moving independently in large space
Amelia Ions moving independently in large space, defines plasma which is one of the state of matter.
What are the four states of matter ?Matter is everything which satisfies two conditions such as mass and volume. For example atoms.
In solids, the particles are close to each other, strong attractive forces. It has a definite volume and shape.
Solids have different properties like elasticity, plasticity, rigidity, malleability, ductility, conductivity, it can be amorphous and crystalline.
Liquid is is link between solids and gases, Intermolecular forces are stronger than gases but weaker to solids.
They have high density, flowability, conductivity, viscosity, refractive index, surface tension.
Gases have no shape and volume, the velocity is much higher relative to liquids and gases.
Gas have lowest density, pressure, temperature, viscosity and it can liquefy under compression called as condensation.
Plasma does not exist in normal condition. when gas is heated to extreme temperature, plasma formed. It is also called as ionization of the gas.
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I WILL GIVE BRAINLIEST IF CORRECT HURRY PLEASE
(01.02 LC) Which domain contains multicellular organisms such as plants and animals? answer choices:
Archaea
Bacteria
Eukarya
Protista
Answer:
Eukarya
Explanation:
Eukaryotic organisms are plants and animals, Eukaryotic stems from the word Eukarya
The domain Which contains multicellular organisms such as plants and animals are Eukarya. The correct option is c.
Eukarya is the only domain that includes multicellular and visible organisms such as humans, animals, plants, and trees. It's also the domain of many microorganisms, such as fungi, algae, and micro-animals.
Multicellular organisms are composed of several cells that collaborate to fulfill various roles. Plants, for example, contain specific tissues and organs such as leaves, stalks, and roots. Animals have specialized tissues and organs as well, including muscles, nerves, and organs such as the heart and lungs.
Thus, the correct option is c.
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Before mitosis begins, a cell makes a copy if all the DNA in each chromosome. What would go wrong if a cell did not make a second copy of all its DNA before the cell divided into two daughter cells? Be specific.
Each daughter cell would only receive half the genetic information necessary for normal cellular functions.
A cell will divide into daughter cells that carry incomplete genetic material if it is unable to finish its DNA replication before doing so. There could be serious repercussions from this insufficient genetic information, including as developmental problems and genetic disorders.
Crucial cellular functions like transcription and translation would be hampered in the absence of a complete copy of DNA, making it more difficult for daughter cells to carry out vital tasks. In the end, this might result in disease development, cellular malfunction, and possibly even cell death. Therefore, in order to preserve genetic integrity and guarantee the appropriate operation of cells, DNA replication must occur prior to cell division.
The diagram below represents part of the oxygen cycle.
Which biological process is represented by arrows 1 and 3?
A.
osmosis
B.
photosynthesis
C.
adaptation
D.
respiration
Answer
b. Photosynthesis
Explanation:
That's what study island said is right.
The correct option is B.
What is Photosynthesis?
Photosynthesis is the process by which plants use sunlight, water, and carbon dioxide to create oxygen and energy in the form of sugar.
How is photosynthesis done?Photosynthesis is the process by which green plants and certain other organisms transform light energy into chemical energy. During photosynthesis in green plants, light energy is captured and used to convert water, carbon dioxide, and minerals into oxygen and energy-rich organic compounds.
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Hemoglobin and enzymes are:
A. lipids
B. proteins
C. carbohydrates
D. nucleic acids
Answer:
B. Proteins
Explanation:
Answer:
B. Protein
Explanation:
Haemoglobin are iron containing protein in the blood of many animals while enzymes are catalytic protein responsible for complex biochemical reactions that takes place in plants and animals.
How do vaccines help to possibly protect you from the symptoms of a virus?
Whales have what seem like remnants of a pelvis and femur, What are these structures an example of?
transitional structures
analogous structures
vestigial structures
adapted structures
Answer:
Vestigial structures.
2. How many openings are in the skull? What organs are
attached to each opening?
Answer:
3 openings mouth and ears
I am not sure the second part
Explanation:
The skull has several openings through which structures pass, such as the spinal cord, optic nerve, and blood vessels to the eye.
Explanation:The skull has several openings, known as foramina, through which various structures pass. There are eight main openings in the skull:
Foramen magnum: This is the largest opening at the base of the skull through which the spinal cord passes.Optic foramen: Located on the sphenoid bone, it allows the optic nerve to pass through.Superior orbital fissure: On the sphenoid bone, it permits the passage of nerves and blood vessels to the eye and surrounding structures.These are just a few examples, each opening has specific organs or structures associated with it.
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Which element is a metalloid? Check all that apply.
Your parents take away playing Fortnite every time you have an "F" on an assignment in hopes you won't get anymore failing assignments. This is an example of...
A)positive reinforcement B) negative punishment C) negative reinforcement D)positive
punishment
I hope this helps! :)
The ans is D which is positive punishment as your parents are doing a great thing because u got an f in the exam if ur parents wouldnt do u would be addicted towards fortnite and get an F everytime!
(i dint mean to say your parents no offence)
Which of the following correctly compares cloning and gene therapy?
Cloning is not a type of biotechnology and gene therapy is a type of biotechnology.
Neither cloning nor gene therapy are types of biotechnology.
Both cloning and gene therapy are types of biotechnology.
Cloning is a type of biotechnology and gene therapy is not a type of biotechnology.
Answer:
Both cloning and gene therapy are types of biotechnology.
Cloning is a type of biotechnology and gene therapy is not a type of biotechnology.
Final answer:
Both cloning and gene therapy are types of biotechnology. Cloning refers to making copies of a gene, while gene therapy involves introducing functional genes to correct genetic disorders or fight diseases.
Explanation:
The correct statement that compares cloning and gene therapy is that both are types of biotechnology. Biotechnology is the application of technology to modify the genetic material of living organisms for human purposes. Gene cloning refers to the process of making copies of a specific DNA segment, such as a gene, which can be useful in many scientific and medical applications. The polymerase chain reaction (PCR) is a technique used in molecular biology to amplify a single copy or a few copies of a segment of DNA across several orders of magnitude, creating thousands to millions of copies of a particular DNA sequence.
Gene therapy, on the other hand, is a technique that involves the introduction of functional genes into cells to correct genetic disorders or to fight diseases like cancer. Gene therapy can be performed either inside the body (in vivo) or outside the body (ex vivo). The use of biotechnology has resulted in advances like producing human proteins such as insulin in bacteria and developing transgenic crops with improved characteristics.
Both cloning and gene therapy raise various ethical, legal, and social issues, reflecting the complexity and impact of biotechnological advancements on society.
easy question easy points here
QUESTION
SOME FOOD SUBSATNCES MOVE BACK INTO THE BLOOD THEOUGH DIFFUSION. WHAT DOES THIS MEAN ?
Answer:
Diffusion is a net movement of molecules or ions from a region of higher concentration to a region of lower concentration down a concentration gradient at a random movement.
So food molecules to move into the blood stream because blood is a region that has a lower concentration of molecules.
Answer:
i really dont know much of this but it may be talking ions srry i not very smart but i like helping! :D
Explanation:
The type of cell division where the daughter cells have exactly the same as the parent cells is called
budding
melosis
mitosis
symbiosis
I think the answer is
1.c
Answer:
mitosis
Explanation:
Look at the information below. Sugar is added to the test tube to provide __________ for the yeast. What one word completes the sentence.
Sugar is added to the test tube to provide food to yeast .
What is yeast ?
Yeast is a single-celled microorganism that is a member of the Fungi kingdom.
What do yeast eat ?
Yeasts feed on sugars and starches, which are abundant in bread dough! They turn this food into energy and release carbon dioxide gas as a result.
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Melatonin is secreted by
A.the hypothalamus during the day
B.the pineal gland during the night
C.the autonomic nervous system during the winter
D.the thyroid gland during cold seasons
Answer:
B. the pineal gland during the night
Explanation:
Answer:
The answer would be B, the pineal gland during the night.
Explanation:
The secretion of melatonin is triggered by darkness, therefore produced during the night.
Scientists discover a cholera outbreak. How will the national government most likely respond following this outbreak? Check all that apply.
1)Lawmakers will propose new rules under the established Clean Water Act.
2)All states will require industrial plants to use certain wastewater disposal rules.
3)Multiple agencies will collaborate to construct initiatives to globally promote clean water use.
4)Federal agencies will increase current fines for noncompliance of public water treatment.
5)Water treatment plants will receive federal fines if protocols include chlorine to treat public drinking water. 25 POINTSS!!!!!!!!!!!!!!!
In response to a cholera outbreak, the national government could enforce the Clean Water Act, enforce stricter wastewater disposal guidelines, promote global clean water use, and increase fines for non-compliance with water treatment regulations. They would not likely fine water treatment plants for using chlorine.
Explanation:In response to a cholera outbreak, the national government would most likely employ several strategies. First and foremost, lawmakers might propose new rules under the established Clean Water Act to ensure widespread safe water use and discourage practices that exacerbate the spread of cholera. In addition, they could enforce stricter wastewater disposal guidelines for industrial plants, requiring companies to follow certain procedures to prevent contamination of water bodies.
Federal agencies may also collaborate with various departments to construct initiatives promoting the use of clean water, both domestically and globally. This could include public awareness campaigns and resource allocation to improve water sanitation. Moreover, non-compliance with public water treatment regulations might be met with increased fines, encouraging adherence to safety protocols. Meanwhile, Chlorine is commonly used in water treatment to eliminate harmful bacteria, including cholera; hence, water treatment plants would not necessarily be fined for using chlorine unless misused in a way that contravenes established regulations.
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The work done by the heart is often compared to that of a pump. This is because our heart also uses ___ to keep
blood flowing through our body.
A) force
B) water
C) levers
D) osmotic pressure
The work done by the heart is often compared to that of a pump. This is because our heart also uses osmotic pressure to keep blood flowing through our body.
What is Osmotic pressure?A semipermeable membrane, a barrier having pores tiny enough to enable solvent molecules to pass through but not solute molecules or ions, is used to detect the co-ordinative feature of solutions known as osmotic pressure.
Osmosis is the term for the net flow of a solvent through a semipermeable membrane. Net solvent flow always occurs from the side of the solute with the lower concentration to the side with the greater concentration.
Until the levels in the arms eventually stop fluctuating, there is a net flow of water through the membrane, indicating that equilibrium.
Therefore, The work done by the heart is often compared to that of a pump. This is because our heart also uses osmotic pressure to keep blood flowing through our body.
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Why did the color of the peppered moth change?
The moths' life cycle changed.
The environment changed.
The amount of variation in the moth population changed.
The number of individual moths in the population changed.
FAST!!!!!!!!!!!!!!
Answer:
Environmental change
Explanation:
The color of the peppered moth change due to environment changed. At that time, a manifestation of industrial melanism was the rise in the number of dark-colored moths, hence option B is correct.
How the color of the peppered moth change?The peppered moth's evolution is an example of how air pollution during the Industrial Revolution caused directional color changes in the moth population.
The two color variants of moths evolved over time, with the black moths becoming more prevalent. The dark individuals were more successful after the trees altered because natural selection preferred them. A little difficult to believe, Since these conditions began to improve starting in the 1950s, more observations have been made.
Therefore, due to environment conditions, the color of the peppered moth changed.
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What is the difference between a runner spitting versus just someone standing still?
Difference between a runner spitting versus just someone standing still
Explanation:
Runners while running do breathe, pant, and heave heavily which leads to spitting in the open as a habitual practice. This spitting while on motion leads to heavy dispersal of aerosol droplets which suspends in the air.
Droplets due to respiratory or spitting sources from any person who is infected with any infectious and contagious viral, bacterial, or other infectious diseases will have high chances of the pathogen present in them.
Further the rate and spread of droplet dispersal and transmission of pathogen will be higher compared to that from someone standing still. This puts greater potential for the spread of such droplet transmitted diseases.
Hence proper distancing should be maintained between runners and others to prevent spread of droplet transmitted diseases.
Which is not true of Meiosis?
A. Meiosis starts with half the number of chromosome as Mitosis
B. The genetic offspring are exactly like the parent cell.
C. There are 23 chromosomes from each parent cell passed on to the offspring.
D. Meiosis goes through 2 stages of division, Meiosis I and II.
Answer:
I would say it is B.
Explanation:
In Meiosis, specifically in Prophase 1, it creates genetic variation. Crossing over occurs in that stage
Final answer:
Statement B is not true about meiosis; offspring produced by meiosis are not genetically identical to the parent cell due to crossing over and independent assortment during Meiosis I and II.
Explanation:
The question is asking which of the statements about meiosis is not true. The correct answer is B. Meiosis does not produce offspring that are genetically identical to the parent cell. Instead, meiosis is a two-stage process (Meiosis I and II) that results in genetically diverse gametes. In contrast to mitosis, meiosis starts with a diploid cell, which has two sets of chromosomes, and through one round of DNA replication followed by two rounds of cell division, ends up creating four haploid cells. These cells have half the number of chromosomes of the parent cell, and due to processes like crossing over and independent assortment, they contribute to genetic variation in offspring.
Statement A is incorrect because meiosis actually starts with the same number of chromosomes as mitosis; it is the end product that has half the number of chromosomes. Statement C is true because during sexual reproduction, each parent contributes 23 chromosomes, which combine to make a total of 46 in the offspring. Statement D is also true, as meiosis includes two stages of division, Meiosis I and Meiosis II, which are necessary to reduce the chromosome number by half and ensure genetic diversity among the gametes produced.
What are the energy saving
techniques used by the
Class Chondrichthyes?
Answer:
Chondrichthyes characteristics include a cartilaginous skeleton, lack of a swim bladder, lipid storage restricted to the liver, unique hematopoietic organs, and bacteremia in clinically normal individuals. Variable reproductive strategies are employed throughout this vertebrate class.
Explanation:
The Class Chondrichthyes uses energy-saving strategies such as no bones and cartilage skeletons.
The Class Chondrichthyes:Chondrichthyes are a group of fish that belong to the Gnathostomata division because they have jaws.
All vertebrates with mouths are classified as Gnathostomata.A cartilaginous skeleton, the lack of a swim bladder, lipid storage limited to the liver, distinct hematopoietic organs, and bacteremia in medically normal people are all hallmarks of Chondrichthyes.
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The following organs are part of the human digestive system.
A: anus
B: small intestine
C: stomach
D: rectum
Which of the following choices arranges the organs in the order in which materials would move through them during digestion?
1. D, B, C, A
2. B, D, C, A
3.B, C, A, D
4.C, B, D, A
Answer:1. B small intestine
2. 3
Explanation:
number 3 would be the answer
Using evidence from the text describe, the purpose of Golgi complex
Answer:
In the Amazing World Inside a Cell, it says “Golgi complex, a short and narrow structure inside the cytosol. The Golgi complex processes them and sends the molecules to their final destinations inside or outside the cell.” This means that the Golgi complex is like a phone. You send the message on the phone to get to the other person maybe inside or outside your house.
Which of the following is a type of polar attraction?
O
O
A. A hydrogen bond
B. An ionic bond
C. A covalent bond
D. A metallic bond
SUBMIT
The correct answer is A. Hydrogen Bond. This is a type of polar attraction that occurs when a hydrogen atom experiences the attraction to a nearby highly electronegative atom.
Explanation:The type of polar attraction among the options listed is Hydrogen Bond.
A hydrogen bond is a type of polar attraction that occurs when a hydrogen atom bonded to a highly electronegative atom such as nitrogen, oxygen, or fluorine, experiences the electrostatic forces of attraction to some other nearby highly electronegative atom. This happens because of a significant difference in electronegativity causing the bond between them to be polar.
On the other hand, an ionic bond is formed by the transfer of electrons; a covalent bond is characterized by the sharing of electrons; and a metallic bond involves pooling of electrons.
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What do we mean when we use the term dihybrid cross?
A) A dihybrid cross involves two parents.
B) A dihybrid cross involves organisms that are heterozygous for two characters.
C) A dihybrid cross results in a 3:1 phenotype ratio in the F2 offspring.
D) A dihybrid cross is performed for two generations.
E) A dihybrid cross produces two offspring.
Answer:
i think it is A
Explanation:
A dihybrid cross involves organisms that are heterozygous for two characters and typically results in a 9:3:3:1 phenotypic ratio in the F2 generation according to Mendel's principle of independent assortment, option B is correct.
A dihybrid cross refers to a type of genetic cross that involves organisms heterozygous for two characters. The term specifically denotes a cross in which each parent has two different alleles for two different traits. For example, if one parent has alleles AaBb and the other parent has alleles AaBb, this is a dihybrid cross. Such a cross usually results in a characteristic 9:3:3:1 phenotypic ratio in the F2 (second filial) generation if the genes assort independently.
In a typical dihybrid cross involving two pea plants heterozygous for round, yellow seeds (GgYy), the combination of alleles that the offspring receive from each parent produces a variety of phenotypes with the 9:3:3:1 ratio, where 9/16 of the offspring would be expected to have round yellow seeds, 3/16 would have round green seeds, 3/16 would have wrinkled yellow seeds, and 1/16 would have wrinkled green seeds. This kind of cross helps in understanding how alleles of different genes are transmitted independently from each parent to the offspring according to Mendel's principle of independent assortment.
A scientist studying a swamp notes that it contains a high concentration of organic carbon. This region would be classified as what?
A
carbon cycle
B
carbon cell
C
carbon source
D
carbon sink
A trait has two alleles, represented by p and q. If p = 0.89, what is q?
.
Ο
Α. 0.89
οοοο
Ο Β. 0.94
Ο C. 0.33
Ο D. 0.11
What are the 5 factors that must be true for evolution to not occur
What level of organization would include squirrels, deer, turtles, oak trees, pine trees, a stream, moist soil and rocks? A. Species B. Community C. Ecosystem D. Population
Answer:
c. Ecosystem
Explanation:
the only level of organization that includes nonliving and living things is an ecosystem
Joel and Danny were playing a game with blue and red balls and a small white ball. The blue and red balls are exactly the same, except they are different colors. Joel rolled a blue ball at a speed of 5 m/s. It hit one of the red balls that was sitting still. What happened to the red ball once it was hit?
A. It rolled away at a speed less than 5 m/s.
B. It rolled away at speed of 5 m/s.
C. It remained sitting still.
D. It rolled away at a speed greater than 5 m/s.
Answer:
c
Explanation:
Carbon-14 dating would be useful in finding the age of
A.
a fossilized fish found in a layer of rock estimated to be between 15,000 and 25,000 years old.
B.
a fossilized spore estimated to be over 200,000 years old.
C.
a sedimentary rock with a leaf imprint of undetermined age.
D.
an index fossil known to have lived in the oceans 1 million years ago.
Answer:
The correct answer is option A. "a fossilized fish found in a layer of rock estimated to be between 15,000 and 25,000 years old".
Explanation:
It is estimated that the oldest fossils that can be reliably measured using carbon-14 must be organic and have an age of around 50,000 years. Therefore, a fossilized fish found in a layer of rock estimated to be between 15,000 and 25,000 years old will fit perfectly to be dated using carbon-14. Anything older than 50,000 years old must be dated using other radiometric dating approaches.