Construct at least two possible hypothesis for the students experiment
Answers
Related Questions
True or False. In order for a dead organism to become a fossil, it is not important
that it be buried soon after it dies.
Answers
the length of an unknown dna segment is able to be determined in gel electrophoresis by what method? select an answer and submit. for keyboard navigation, use the up/down arrow keys to select an answer. a using ethidium bromide to stain the dna segment. b running the unknown dna with a segment of dna from a similar species. c running the dna with a dna segment of known length. d staining the segment with methylene blue, followed by ethidium bromide. e none of the above.
Answers
The length of an unknown DNA segment can be determined in gel electrophoresis by running the DNA with a DNA segment of known length. So, the correct answer is option C.
The method of gel electrophoresis is used to sort DNA fragments according to their size. A gel matrix is loaded with the DNA fragments, and an electric field is then applied.
Depending on their size, the pieces will then move through the gel at various rates. The unknown DNA segment's length can then be ascertained by comparing it to a known length DNA segment.
It is possible to compare the time required for the unknown fragment to pass through the gel to the time required for the known fragment to do so. You can then determine how big the unknown piece is in relation to the known fragment.
Complete Question:
The length of an unknown DNA segment can be determined in gel electrophoresis by:
A. Using ethidium bromide to stain the DNA segment.
B. Running the unknown DNA with a segment of DNA from a similar species.
C. Running the DNA with a DNA segment of known length.
D. Staining the segment with methylene blue, followed by ethidium bromide.
To learn more about DNA visit:
https://brainly.com/question/16099437
#SPJ4
What are enzymes and what are they made of?
Answers
In which part of the water cycle is water getting the MOST energy from the sun?
Answers
Answer:
Evaporation
Explanation:
Cause then sun evaporates the water and turns them to water vapor which turns into clouds which then the clouds release the water if there is to much water in them and then the cycle keeps on going on and on
:D
Hey can you help me with these questions
1. What occurs across a period of the periodic table?
A number of neutrons decreases
B average atomic mass decreases
C number of inner orbital electrons increases
D number of protons increases
2. How do transition metals generally compare to alkali metals?
A harder
B. fewer electrons in outer shell
C. more reactive
D lower boiling points
Plz help asap
Best answer gets Brainly
Answers
Answer:
1. c. because across a period from left to right, the covalent radius decreases. As you move from left to right across the periodic table, atoms have more electrons in their outer energy level and more protons in their nucleus.
2.b. because Transition metals are less reactive than alkali metals because of their high ionization potential and high melting point.
What will be the result if a eukaryotic cell completes mitosis but does not undergo cytokinesis?
Group of answer choices
A one cell with one nucleus containing half of the genetic material of the parent cell
B one cell with two nuclei, each identical to the nucleus of the parent cell
C two cells, each cell with half of the genetic material of the parent cell
D one cell with two nuclei, each containing half of the genetic material of the parent cell
Answers
A cell completing mitosis but not undergoing cytokinesis would result in one cell with two nuclei, each identical to the nucleus of the parent cell ie option B
Mitosis is the process of cell division which results in the formation of two identical daughter cells. Ie if the genetic composition of the parent was diploid or 2n, the daughter cells also end up with a genetic composition of 2n
Cytokinesis refers to the splitting of the cytoplasm during cell division to facilitate its equal distribution among the daughter cells. During the stages of mitosis ie from anaphase to telophase, there is splitting of cytoplasm or cytokinesis occurring. The division of the nucleus continues throughout the M phase of mitosis.
Failure of cytokinesis and normal Karyokinesis would thus result in one cell with two nuclei, containing half of the genetic material of the parent cell.
To learn more about cytokinesis, please refer to:
https://brainly.com/question/19347301
The correct answer is D: one cell with two nuclei, each containing half of the genetic material of the parent cell.
Mitosis is the process by which eukaryotic cells divide their genetic material and form two identical daughter cells. Cytokinesis, on the other hand, is the subsequent process of dividing the cytoplasm and other cellular components to separate the two daughter cells.If a eukaryotic cell completes mitosis but does not undergo cytokinesis, the result would be a single cell with two nuclei. The genetic material, represented by the chromosomes, would be divided equally between the two nuclei. This condition is known as binucleation.The lack of cytokinesis would result in a cell with two nuclei sharing the same cytoplasm and cellular components. Although it is not the typical outcome of mitosis, binucleated cells can be observed in certain physiological or pathological conditions, such as liver regeneration or certain diseases.Therefore, the correct answer is D: one cell with two nuclei, each containing half of the genetic material of the parent cell.
For more such questions on nuclei:
https://brainly.com/question/5223117
#SPJ8
What is the ICD-10 for AV infective endocarditis?
Answers
According to the WHO, acute and subacute infective endocarditis is classified as an ICD-10 code I33. 0 under the heading "Diseases of the circulatory system."
A potentially fatal inflammation of the inner lining of the heart's chambers and valves is known as endocarditis. The endocardium is the term for this lining. Infection is frequently the cause of endocarditis. Germs such as bacteria, fungus, or others enter the bloodstream and adhere to the heart's damaged parts.
Bacteria that enter the bloodstream and lodge in the heart lining, a heart valve, or a blood artery can infect the heart muscle and produce infectious endocarditis, also known as bacterial endocarditis. Although IE is not prevalent, various heart diseases increase a person's likelihood of having it.
Learn more about infective endocarditis
https://brainly.com/question/29625219
#SPJ4
Surviving in the Antarctic is extremely difficult What advantage do Emperor Penguins have that animals in the less-harsh Arctic do not?
Answers
Answer: Letters, the birds minimize heat loss by keeping the outer surface of their plumage below the temperature of the surrounding air. At the same time, the penguins' thick plumage insulates their body and keeps it toasty.
Explanation:As detailed in an article published today in the journal Biology
a gene fusion where the regulatory region of one gene is fused to the open reading frame of another gene whose protein product is easy to detect.a preferred sugar prevents transcription of a sugar-metabolizing operon.a protein that changes its conformation upon binding to another molecule, such as a repressor that binds toan inducer.stimulation of transcription by a specific molecule. prevention of gene expression by a specific protein that binds to an operator.a cluster of genes transcribed together into a single mrna and regulated as a group.premature termination of transcription in response to translation of an rna leader.an untranslated region at the 5' end of a bacterial mrna.a strain that synthesizes curtain enzymes regardless of environmental conditions.
Answers
A gene fusion where the regulatory region of one gene is fused to the open reading frame of another gene whose protein product is easy to detect reporter gene.
A gene created by combining sections of two different genes. Fusion genes and the fusion proteins that result from them can be created in the laboratory or naturally in the body when a piece of DNA from one chromosome moves to another. The most common type of mutation is gene fusions or translocations caused by chromosomal rearrangements. They result in chimeric transcripts or gene deregulation due to the juxtaposition of novel promoter or enhancer regions.
A reporter gene is an exogenous coding region that is linked to a promoter sequence or element in an expression vector and introduced into cells to provide a means of measuring promoter activity.
To learn more about gene fusion and reporter genes, here
https://brainly.com/question/14280393
#SPJ4
Difference between micro organism and organisms
Answers
Microorganisms are the microscopic organisms including microscopic organisms, archaea, protozoa, green growth, organisms, infections, and multicellular creature parasites (helminths). They can be either unicellular or multicellular and prokaryotes or eukaryotes. Additionally, they live in different kinds of environments. Of these microorganisms, archaea are prokaryotes, particularly living in outrageous conditions; a portion of these incorporate methanogens, halophiles, thermophiles, psychrophiles, and so on. In any case, protozoa are unicellular eukaryotes that acquire supplements through ingestion. Their cell wall is comprised of cellulose. Likewise, a few protozoans incorporate beats, ciliates, amoeboid, sporozoans, and so on.
An organism refers to a living thing that has a coordinated construction, can respond to upgrades, repeat, develop, adjust, and keep up with homeostasis. A life form would, in this manner, be any creature, plant, growth, protist, bacterium, or archaeon on the planet.
Learn more about microorganism and organism here:
https://brainly.com/question/8695285
#SPJ9
Which Cell Parts are ONLY in Plant cells?
Answers
Answer and Explanation:
The plant cell has a cell wall, chloroplasts, plastids, and a central vacuole—structures not found in animal cells. Plant cells do not have lysosomes or centrosomes.
Answer:
Cell Wall, Chloroplasts, and Vacuoles
Explanation:
Animal cells share all cell parts with plant cells besides the Cell Wall, Chloroplasts, and Vacuoles.
a helium atom contains 2 protons, 2 electrons, and 2 neutrons. Which would be considered an Isotope of heliuma. an atom with 2 protons , 1 electron and 2 neutronsb.all of thesec. an atom with 2 protons 2 electrons 1 neutron d. an atom with 1 proton 2 electrons 2 neutrons
Answers
Isotopes are different forms from the same element, they have the same number of protons but differ in the number of neutrons in their nuclei, this makes them have different atomic mass, altough their chemical properties remain the same.
Helium contains 2 protons, 2 electrons, and 2 neutrons.
Of the listed options, only c. has a different number of neutrons than the described atom. So this option represents an Isotope of Helium.
which action will help preserve the environment for future generations?
Answers
Many actions can help preserve the environment for future generations. You can reduce, reuse and recycle the products, use energy-efficient appliances and light bulbs, conserve water, plant trees and vegetation and use environmentally friendly products.
Why is it important to plant trees and vegetation?Planting trees and vegetation is important for several reasons carbon dioxide absorption, habitat for wildlife and soil conservation. Trees and vegetation help conserve water by reducing runoff and increasing soil moisture retention. This is important in areas with limited water resources.
Does Earth have limited water?Yes, Earth has a limited amount of water, although it constantly cycles through the Earth's atmosphere, oceans, lakes, rivers, and underground aquifers. It is important to conserve and manage our water resources wisely to ensure they are sustainable for present and future generations.
To learn more about water cycle, visit here:
https://brainly.com/question/1151425
#SPJ1
what is the name for the inventory of frequently prescribed drugs stored on the nursing unit? select one: a. drug formulary b. medication order c. pick station d. floor stock
Answers
The name for the inventory of frequently prescribed drugs stored on the nursing unit is the drug formulary.
A drug formulary is a list of medications approved by a healthcare institution for use in patient care. The formulary is typically developed by a committee of healthcare professionals, including physicians, pharmacists, and nurses, and is based on factors such as safety, efficacy, cost, and availability.
The drugs on the formulary are typically stocked in the hospital pharmacy, but a subset of these medications may be stored on the nursing unit for easy access and administration. This subset of medications is often referred to as the formulary floor stock or just floor stock.
To learn more about drugs click here :
brainly.com/question/29767316
#SPJ4
Genes code for
A. proteins
B. carbohydrates
C. lipids
Answers
Answer:
A. proteins
this is the answer of your question
hope it is helpful to you
What about the structure of DNA that allows it to copy itself?
A. DNA is not copied, it is only passed down through each generation.
B. It is double-stranded, so each side serves as a template for a new strand.
C. It has enzymes built into the helix that makes a copy when needed.
D. It is held together mostly by hydrogen bonds, which are easy to open for replication.
Answers
Plants exhibit movements in response to various
a) stimuli b) light c) water d) chemicals
Answers
Answer:
plants move towards to the source of light
which stage of the cell cycle causes the pinching in of the cell membrane to create two individual cells?
Answers
Answer:
Third stage
Explanation:
The third stage of the cell cycle. In this stage the cell membrane pinches in around the middle of the cell. The cell splits into two.
Why are decomposers classified as heterotrophs?
Answers
Answer:
Becuase they break down and feed on organic molecules (the remains of dead organisms) and release inorganic molecules
Explanation:
A biologist recorded a count of 516 bacteria present in a culture after 10 minutes and 1136 bacteria present after 20 minutes To the nearest whole number, what was the initial population? bacteria TIP Enter your answer as an integer or decimal number. Examples: 3,-4,5.5172 Enter DNE for Does Not Exist, oo for Infinity Get Help: Written Example Points possible: 1 This is attempt 1 of 3 Post this question to forum Submit DOLC If the population doubles every six minutes, then it doubles 10 times every hour, so the model is: P(t) = 5 - 2104 After 2 hours: P(t) 5.2106 P(2) = 5.210-2 P(2) 5. 220 P(2) 5242880 Alternatively, we can solve it in a different way by using the formula f(t) = Ageht. First note that if it doubles 10 times every hour, then after 1 hour there will be 5120 bacteria. Now solve for k: 5120 = 5e" 1024 = el k 6.9315 So the model is: f(t) = 526.93154 After t hours: P(2) — 56.9315-2 P(2) = 5e13.863 P(2) 5.1048635.1296 P(2) 5243175.6
Answers
Explanation: The Germ Theory.
As humans, our eyes are adapted to see the colors in the visible light range. If we are looking at an orange object, such as a pumpkin, why does that object appear orange? because the object is 4,000 K because the object is absorbing orange wavelength light because the object has a wavelength of about 0.6μm because the object is reflecting orange wavelength light
Answers
The pumpkin appears orange because the object is reflecting orange wavelength light.
When we perceive the color of an object, it is due to the way light interacts with that object. In the case of a pumpkin, its appearance as orange is primarily attributed to the fact that it reflects light in the orange wavelength range. The surface of the pumpkin absorbs light of other wavelengths and reflects the orange light, which then reaches our eyes. Our eyes are adapted to detect this range of colors, known as the visible light spectrum, which encompasses wavelengths between approximately 400 to 700 nanometers.
The color of an object is determined by the wavelengths of light that it reflects or emits. When light from a source, such as the sun or a light bulb, strikes an object, some wavelengths are absorbed while others are reflected. In the case of the orange pumpkin, it absorbs light of other colors (wavelengths) such as blue and green, but reflects the orange wavelength light. This reflected light enters our eyes and is interpreted by our brain as the color orange.
The phenomenon of selective reflection and absorption of light by objects is what allows us to perceive a variety of colors in our surroundings. It is the interaction between light and matter that gives rise to the perception of color, and in the case of the orange pumpkin, its distinct coloration is a result of its ability to selectively reflect light in the orange wavelength range.
Learn more about wavelength
brainly.com/question/32900586
#SPJ11
8. Review the four principles of how teratogens affect development that were discussed earlier in chapter 4. Explain how these principles are related to the principles of reaction range and gene-environment relations.
Answers
The principles of how teratogens affect development reflect the complex interplay between genes, the environment, and the timing of exposure.
Principle of Susceptible Periods: This principle states that there are specific periods during prenatal development when the developing organism is most vulnerable to the effects of teratogens. Different organs and systems have different windows of susceptibility. For example, the central nervous system is particularly susceptible during early embryonic stages. This principle is related to the principle of reaction range, which suggests that genes establish a range of potential outcomes, and environmental factors determine where within that range an individual's development will fall. Principle of Critical Periods: Critical periods refer to specific time frames during prenatal development when certain structures or processes are particularly sensitive to teratogens. Disruptions during these critical periods can have severe and long-lasting effects on development.
Learn more about geneshere:
https://brainly.com/question/1167303
#SPJ11
what is the reason that closely linked genes are typically inherited together? the number of genes in a cell is greater than the number of chromosomes.
Answers
The reason that closely linked genes are typically inherited together is that the number of genes in a cell is greater than the number of chromosomes. The genes are inherited through the chromosomes in the cell.
The chromosomes can have one or more genes that are closely linked, which means they are located close to each other on the same chromosome.Closely linked genes are typically inherited together because they are physically located close to each other on the same chromosome, and the chromosome is passed down to the offspring intact during cell division. This phenomenon is called genetic linkage.
When two genes are located close together on a chromosome, they are more likely to be inherited together because the likelihood of crossing over between the two genes is lower.
During meiosis, when the chromosome pairs line up and exchange genetic material, the closer the genes are to each other, the less likely they are to be separated. This is because crossing over events are more likely to occur between genes that are farther apart, resulting in recombination between the two chromosomes.
for more questions on chromosomes :
https://brainly.com/question/17095493
#SPJ11
1. There are 200 bones in the human body. 2. The skeleton is the structural arrangement of bones in the human body. 3. A bones are of the same shape. 4. Bones give shape to the body. 5. The backbones or spinal column are attached to the skull. the statements below.
Answers
Answer:
Salmat po
Explanation:
sorry i can send the answer he said "We dont use rude word here, please change"
Which organ responds to insulin?
Answers
Answer:
the Pancreas
Explanation:
is an organ that sits just behind your stomach. It releases insulin to control the level of glucose in your blood.
6. PLEASE HELP ME A LOT OF POINTS
Answers
Answer:
B
Explanation:
can i get brainliest plz?
Within certain synovial joints, the fibrocartilaginous pads that cushion and guide the articulating bones are called ________________________.
Answers
Within certain synovial joints, the fibrocartilaginous pads that cushion and guide the articulating bones are called menisci .
Synovial joints are the joints that are the most common type of joints found in our body. Synovial joints are different from fibrous and cartilaginous joints since synovial joints have a joint cavity that separates the articulating surfaces of the bones. Synovial joints provide a greater range of motion than other types of joints.
Fibrocartilaginous pads are pads that are present in joints to aid in articulating movement. These pads are made up of dense connective tissue that is rich in collagen. Fibrocartilaginous pads are also called "Menisci" in joints. They are present in certain synovial joints to cushion and guide the articulating bones.
Menisci are crescent-shaped fibrocartilaginous structures present in joints, particularly the knee joint. Their function is to help distribute the load across the joint and reduce friction between the articular surfaces, acting as shock absorbers.
Learn more about Menisci here: https://brainly.com/question/13619702
#SPJ11
1. During a solar eclipse, what blocks all, or some of the sun's rays from reaching the Earth?
O New moon
the Sun
the Earth
Mars
Answers
Answer:
New moon
Explanation:
During a solar eclipse it is the moon that blocks light from the sun. If you are standing at the right time at the right place on the earth looking at the sun during a solar eclipse, you can actually see it happening.
This is a rare fenomenom, and you should defenately try to experience it, whenever you get the chance.
what type of organism eats all producers and consumers and all trophic levels?
Answers
Answer:Omnivore
Explanation:
Answer:
omnivores
Explanation:
animals that eat both plants and other animals are called omnivores.
what is an euglena draw and label it
Answers
For more information on Euglena kindly visit to
https://brainly.com/question/25987383
#SPJ9
