For G1 describe at least one way mistakes during the cell cycle could result in problems
Ans.
G1 (or gap 1) is first stage of cell cycle of cell division in eukaryotes. During G1 phase, cell starts to synthesize mRNA (messenger RNA) and protein molecules, which are necessary for DNA replication in next stage and other processes. At the end of G1 stage, cell moves into S-phase of cell cycle, where DNA replication takes place.
Before entering the S-phase, cell's nutritional content and DNA integrity is checked. If cells in G1 show DNA errors or damaged DNA (such as breaks in DNA strands), it will lead to problems as 'it will result into formation of daughter cells with damaged or mutated DNA, if not gets repaired.'
For G1-phase, one way mistakes during the cell cycle could result in problem is cell doesn’t have a sufficient amount of proteins or other raw materials for the replication of DNA. This condition results in formation of mutated daughter cell.
Further Explanation:
The cell cycle refers to an ordered flow of events which includes cell growth as well as cellular division. This cycle produces two new daughter cells. The cycle starts with interphase in this the cell mature and replicates its own DNA or deoxyribonucleic acid. The interphase begins with:
G1 phase: This is the primary growth phase provide nutrient to the cell. If a cell doesn’t have a sufficient amount of protein or other raw materials for the replication of DNA. It result in formation of daughter cells with damaged or mutated DNA, if not gets repaired. S phase or synthesis of DNA: During this phase, the replication of DNA takes place. The centrosome is divide and forms mitotic spindle during the mitosis phase. Mistake in this phase will leads to the loss of DNA mutations or integrity. G2 or second gap: during this phase, the cell mainly replenishes its energy stores as well as synthesizes the proteins which are required for the chromosome manipulation. In this phase error is resolved even in case of unresolved error the cell undergoes division to pass on the error to the daughter cell.
The second stage of a cell cycle is the mitosis or M phase. Chromosomal abnormalities can occur during metaphase of meiosis. It would lead to enuploidy or polyploidy, due to unequal division of chromosomes. Mitotic phase refers to a multiphase process in this the chromosomes are aligned, segregated, and moved into the two new daughter cells which are identical to each other.
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Answer Details:
Grade: High School
Subject: Biology
Chapter: Cell Cycle
Keywords:
Mitosis, meiosis, cell division, anaphase, telophase, cytokinesis, prophase, metaphase, segregation, chromosome.
This organelle allows materials to enter and exit the cell. A mitochondria b endoplasmic reticulum c cell membrane d golgi body e nucleus f cytoplasm g cell wall h chloroplast
the correct answer is
C) cell membrane
In chemical reactions, atoms are
a)
created.
b)
rearranged.
c)
destroyed.
d)
neutralized.
Answer:
B
Explanation:
The atoms that started out in hydrogen peroxide molecules are rearranged to form water molecules.
In chemical reactions, atoms are rearranged, not created or destroyed. This conforms to the Law of Conservation of Mass. An example is the reaction of hydrogen and oxygen to form water.
Explanation:In chemical reactions, atoms are rearranged. They are not created or destroyed. This concept is based on the Law of Conservation of Mass which states that matter cannot be created or destroyed. Therefore, during a chemical reaction, the atoms of the initial reactants reorganize themselves to form the end products, but no atom is created or lost.
For example, if we have a chemical reaction of hydrogen and oxygen forming water (2H2 + O2 -> 2H2O), the atoms are rearranged such that the 4 hydrogen atoms and 2 oxygen atoms from the reactants end up as 2 water molecules in the product.
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Briefly explain why experiments having both Faulty Design or inconsistent data or problems for scientist
Answer:
Conclusions can’t be trusted.
Experiment may not be repeatable.
Data may be incorrect.
Data may not reflect actual situation.
Data may not answer question asked.
Results may be biased.
Explanation:
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Please Answer The Question Below Thanks!
White blood cells, also called leukocytes, are an important part of the immune system. These cells help fight infections by attacking bacteria, viruses, and germs that invade the body. White blood cells originate in the bone marrow but circulate throughout the bloodstream.
What type of cell is this
Sometimes, a new experimental result may seem to go against a well-established scientific theory. Often, such results seem like they are the results of researcher error. Regardless, scientists cannot just ignore new findings that disagree with accepted ideas. Which statement BEST describes a reason for this? A) Accepted ideas are usually based on inaccurate results. Eliminate B) A scientific theory must be based only on the latest findings. C) A scientific idea that cannot explain all observations must be discarded. D) In the past, accidental discoveries have played a major role in scientific progress.
D) In the past, accidental discoveries have played a major role in scientific progress.
Scientists never assume that existing scientific theories are perfect, although they explain a great variety of facts. You must be ready for new findings, which challenge accepted ideas. Unintentional findings have played an important role in scientific progress in the past. If all the results that were contrary to accepted theories were ignored, science progress would be severely limited.
Answer:
D
Explanation:
Its the correct answer on my usatestprep
properties of baking soda property observed observation color white texture fine crystals odor none mixed with water dissolves mixed with vinegar bubbles maggie recorded her observations of the baking soda used in lab today. Which observation indicated a chemical property of the baking soda? A) odor b) color c) texture d) bubbles
The right option is d) bubbles
The production of bubbles when baking soda mixes with an acid such as vinegar is the observation that indicated a chemical property of the baking soda.
Baking soda (also known as sodium bicarbonate) is a nonflammable, white crystalline powder. Baking soda is odorless, and alkaline. Baking soda reacts with vinegar (acetic acid) to produce carbon dioxide (a gas), water, sodium ion and acetate ion. Baking soda is used for many purposes such as; as an antacid for treating indigestion, for baking, in fire extinguishers, as a water softener, as a pesticide, and to remove dirts from materials.
the right answer is d-bubbles i just got the right on usatestprep
Lystrosaurus provided which type of evidence supporting continental drift?
A. land features
B. fossil evidence
C. glacial evidence
D. climate change evidence
Answer:
Yes it would be B.) fossil evidence
Explanation:
It was found that there was similar type of genetic characteristics of animals living in different parts of the world. So therefore it would be fossil evidence. Have a nice day!
Why would PCD make it difficult to get pregnant or have a baby
PCD would make concieving children difficult because the fallopian tubes cannot push an egg out in order for the sperm to fertilize it
Which of these is an example of a chemical change? A.Dissolving salt in water B.Melting Ice C.Burning a piece of wood D.Breaking a tree branch
Your answer is probably ether A.Dissolving salt in water. or C.Burning a piece of wood.
We have that The one from the options that is an example of a chemical change
Burning a piece of wood
Option C
From the question we are told
Which of these is an example of a chemical change?
A.Dissolving salt in water
B.Melting Ice
C.Burning a piece of wood
D.Breaking a tree branch
Generally
chemical change is likened to a change that is irreversible i.e the process cant be reversed to get its original state before change
Therefore
The one from the options that is an example of a chemical change
Burning a piece of wood
Option C
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Hemoglobin is a protein that binds to oxygen. It is only produced by red blood cells and it allows blood to transport oxygen throughout the body.
What statement does this information best demonstrate?
A.
The proteins produced by cells have structures that are related to their function.
B.
Proteins with similar functions to those produced in humans can be found in other species.
C.
Proteins in specialized cells are the result of the expression of particular genes.
D.
Specialized cells that are grouped together and perform similar functions are called tissues.
Not to entirely sure but it looks like A to me
Answer:
The statement that can be made after the analysis of the information is:
c) we have evidence about particular abilities from specializing cells. So, this is the correct option.
Explanation:
ok, to understand this we need to analyze the options.
a) this sounds good but the information doesn't say anything about structures and functionality relation.
b) the information provided can't make us say if it is general or only for humans, therefore incorrect.
We have two left and we are talking about specialized cells, so one of these might be the one.
c)
d) we don't have information about tissues, so this is incorrect.
Which materials undergo radioactive decay? Check all that apply.
atoms that are unstable
elements that have a half-life
atoms that release energy and particles
elements that have turned into a new element
elements that have a consistent number of particles
Advantage amoeba has over a cell of a lizard in relations to their levels of organism
Amoebas are single-celled organisms, which means that they are composed of just one cell. Each amoeba is a cell capable of performing all living functions by itself. They can reproduce asexually. They are protozoans with no fixed shape. Most have no hard parts and look like blobs of jelly.
Which of the following is a testable hypothesis
A. People don't appreciate just how old giant sequoia trees really are.
B. After much discussion, it is concluded that pandas would prefer root beer to ginger ale if they were allowed to drink carbonated beverages.
C. Chirp faster when the night is warmer.
D. Snakes are used too much in movies to scare people.
Answer: Crickets chirp faster when the night is warmer.
Explanation:
(apex)
A testable hypothesis is a prediction that can be proven or disproven through experimentation or observation. The statement 'Chirps faster when the night is warmer' is a testable hypothesis because it suggests a relationship between two measurable factors, which can be tested with experimentation.
Explanation:In the context of scientific experiments, a testable hypothesis is a prediction that can be proven or disproven through observations or experimentation. Among your options, option C 'Chirps faster when the night is warmer' can be considered a testable hypothesis. This is because it suggests a relationship between two measurable factors - the chirping speed of an organism (possibly a cricket or similar creature) and the temperature of the night. We can measure the speed of chirping and compare it to the temperature during certain nights, thereby testing the validity of the hypothesis.
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Name two lower gastrointestinal system procedures that involve an endoscope, and describe why they are done.
the two lower GI system procedures that involve a endoscope is the colon, or rectum. They are done to diagnose or treat any irregularities or diseases
The devices that are used to examine GI tract
Colonoscopy SigmoidoscopyExplanationColonoscopyAs the name indicates, it is the examination of the colon (the lowest portion of GIT). It allows the examiner to view the whole large intestine. It can be done for the screening of colon cancer, To know the cause of changes in bowel habits, weight loss, pain, bleeding, GIT ulcers, tissue inflammation, constipation or diarrhoea.
SigmoidoscopySigmoidoscopy is a procedure that helps the doctor to view inside of a sigmoid portion of the colon because sigmoid colon sometimes requires closed inspection. Sigmoidoscopy is done to check any abnormal cell growth, GIT ulcers, polyps, abdominal pain, bleeding, constipation or diarrhoea.
What types of bonds and interactions hold the quaternary structure in place?
These chains are held together to form the larger protein by bonds that exist between the side groups of different chains. As with tertiary structure, the bonds involved in holding these separate chains together can be van der Waals bonds, hydrogen bonds, ionic bonds, or at times covalent bonds.
Final answer:
The quaternary structure of a protein is maintained by a combination of hydrogen bonding, ionic bonding, disulfide linkages, and dispersion forces, which all contribute to the protein's overall stability.
Explanation:
The quaternary structure of a protein is stabilized by various types of bonds and interactions. These include:
Hydrogen bonding, which occurs between an oxygen or a nitrogen atom and a hydrogen atom that is bound to another oxygen or nitrogen atom, either within the same chain or on a neighboring chain.
Ionic bonding, which is the attraction between positively charged side chains and negatively charged side chains.
Disulfide linkages, which are covalent bonds formed between cysteine residues within a protein chain.
Dispersion forces (also known as London dispersion forces), which are weak attractions between nonpolar side chains.
Together, these interactions ensure that the quaternary structure is obtained and remains stable under physiological conditions.
There are several different types of microscopes. Can you match the scope with the correct description?
A microscope that has lower magnifying power but can provide 3-dimensional viewing of objects.
A microscope which magnifies from magnification ranging from 20X to approximately 30,000X and provides a 3-dimensional view of the specimen.
A scope built of two systems of lenses for greater magnification (an objective and an ocular: eye piece). The most useful magnification of a compound microscope is about 1000x.
Designed for studying cells and tiny slices of microorganisms like viruses.
Scanning electron microscope
Compound light microscope
Transmission electron microscope
Stereoscope (dissecting microscope)
A scope built of two systems of lenses ... ==> Compound light microscope
The light compound microscope is composed by two groups of lenses. In the first one, the lens projects a real intermediate image which is enlarged and inverted to the focal plane of the eyepiece. In the second group, the eyepiece that behaves like a magnifying glass, gives an image of the intermediate image which is enlarged and inverted again.
Designed for studying cells and tiny slices... ==> Transmission electron microscope.
The transmission electron microscope is an electron microscope for viewing objects much smaller than cells.
The transmission electron microscope (TEM or TEM) uses a high-voltage electron beam emitted by an electron gun.
If sample preparation is longer and more demanding than for optical microscopy, the resolution offers an incomparable view of the structures. Transmission electron microscopy allows to visualize intracellular organelles, viruses, crystals ...
A microscope that has lower magnifying power .... ==> Stereoscope (dissecting microscope).
The stereomicroscope is a special type of magnifying glass, often called a binocular loupe.
It is a device intended primarily for observation at low magnification with lighting overhead. It allows especially stereoscopic perception, in relief, of small subjects.
The stereomicroscope should not be confused with a microscope equipped with a binocular head. The latter only provides two identical images, with a "flat" rendering.
A microscope which magnifies from magnification ranging from 20X to 30.000X... ==> Scanning electron microscope
Scanning electron microscopy (SEM) is an electron microscopy technique capable of producing high resolution images of the surface of a sample using the principle of electron-matter interactions.
This microscope consists of an electron beam scanning the surface of the sample to be analyzed which, in response, reemits certain particles. These particles are analyzed by different detectors that reconstruct a three-dimensional image of the surface.
Answer:
c
Explanation:
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How do unicellular organisms and multi cellular organisms compare in meeting their needs to stay alive
is natural gas renewable or non renewable?
Natural gas is nonrenewable once it is gone it cannot be used anymore.
Some examples of nonrenewable resources are: fossil fuels, oil, natural gas, and coal and nuclear energy.
A student draws a fence with several gate as part of a model of cellular transport explain what defence indicates represent blame the structures to their functions explain how the model could represent both active transport using protein pumps and facilitated diffusion
The given question says that a student has constructed a model of cellular transport using fences and several gates.
This model can be used to demonstrate the cellular transport.
The gates of the fences can be supposed as the protein pumps and the other fence demonstrates the lipid bilayer.
Let’s suppose in the fence, there are many cattles, and outside, there are less cattles, but the student open the gate and bring more cattles inside the fence. In this case, the transport of the cattles is similar to the active transport of the molecules using protein pumps. At cellular level, the energy for the active transport is provided by ATP molecules.
Now, let’s say, the student wants to feed the cattles with some nutrition rich food, which can help in maintaining the health of the cattles. The student fills his car with the cattle food and he enters inside the fence through gates. In this case, the food was not present in the fence, but was abundant in the outside environment, so, the diffusion would occur. But food cannot come self, without help of others, so, the movement is facilitated by the car, as it is done by the carrier proteins. Hence, it is an example of facilitated diffusion.
As part of an experiment, a student adds 10 mL of 5% hydrochloric acid solution to 100 mL of a non-buffered, colorless solution of sugar. What is the most likely result?
a)
The concentration of hydrogen ions (H+) will increase.
c)
The pH will not change.
b)
The pH will increase.
d)
The concentration of hydroxide ions (OH-) will increase.
Hello
The answer is option A
The most likely result is that the concentration of hydrogen ions (H⁺) will increase. Option A is correct.
Hydrochloric acid is a strong acid, which means that it dissociates completely in water to form hydrogen ions and chloride ions. When the student adds 10 mL of 5% hydrochloric acid solution to 100 mL of a non-buffered, colorless solution of sugar, the hydrogen ions from the acid will be added to the solution.
This will increase the concentration of hydrogen ions in the solution, which will lower the pH.The pH scale is a measure of the acidity or alkalinity of a solution. A pH of 7 is neutral, a pH below 7 is acidic, and a pH above 7 is alkaline. The lower the pH, the more acidic the solution. Option A is correct.
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Please help me answer this!! These questions are quite complicated for me..so take your time to think about it and put in your answer if you think you got it!! :) (70 Points) ~Biology~
The compound eyes of insects sense movement better than they see details. How might sensing movementbe more important to an insect thn seeing details.
Because insect are much smaller. They need to see better because they have predators they are much bigger and will try to eat them. So they need to see movement better than seeing details so they know when an predator will pounce. So that way they can escape. Insects will also need to see movement better so they can find their prey too.
The results of improved agricultural practices include all of the following except _____. increased biodiversity increased health risks increased profits increased water pollution
increased biodiversity
The answer is A increasded bioversity
Instructions: As you respond to Part A and Part B, follow the directions below.
- Address all of the instructions in each prompt.
- Use evidence from the information provided and your own knowledge of science to
support your responses.
- Complete Part B in paragraph form.
Part A Plants and animals undergo the same processes to obtain energy needed for cellular function, including growth, repair, and movement. This process occurs in the mitochondria of both plant and animal cells.
Complete the model to show how energy and matter are affected by the process that occurs in the mitochondria of both plant and animal cells.
Not all labels will be used.
Part B What energy process is shown above? Use evidence to explain your answer?
A.
The mitochondria is the site of the aerobic respiration in the eukaryotic organism. The mitochondria uses the glucose and the oxygen molecules to form the carbon dioxide, water and ATP (adenosine triphosphate) molecule.
The equation for the aerobic respiration is given below:
[tex]C_{6}H_{12}O_{6}+6O_{2}\rightarrow 6CO_{2} + 6H_{2}O[/tex]
Glucose + oxygen[tex]\rightarrow[/tex]carbon dioxide + water
All the reaction takes place in the mitochondria, Hence, the givenb lanks can be filled as follows:
1. glucose
2. oxygen
3. carbon dioxide
4. water
5. ATP
B.
The process shown in the figure is aerobic respiration. In the given figure, the mitochondria is shown, the mitochondria is the site of aerobic respiration. The mitochondria obtain the glucose and the oxygen molecule present in the cytoplasm of the cell. The complete aerobic respiration takes place in three steps glycolysis, Kreb cycle and electron transport. In the glycolysis, the glucose is converted into pyruvate. In the Krebs cycle, the pyruvate is oxidised in acetyl-CoA, which undergoes a sequence of reaction giving out ATP from ADP. In the electron transport chain, the NADH as well as succinate, which is formed in the citric acid cycle or Krebs cycle are oxidized, which provides the energy to power ATP synthase (the enzyme involved in the creation of storage of ATP).
The process occurring in the mitochondria of both plants and animals, which concerns the transformation of energy and matter, can be identified as cellular respiration. This process converts glucose into ATP, a form of energy cells can effectively use. The stages of cellular respiration include Glycolysis, Krebs Cycle, and Electron Transport Chain.
Explanation:The process that occurs in the mitochondria of both plants and animals is called cellular respiration. This is how cells convert the energy stored in glucose into a form that the cell can use, namely ATP (adenosine triphosphate). Essentially, the glucose molecule is broken down in the presence of oxygen to release energy. The stages of cellular respiration include Glycolysis, Krebs Cycle, and Electron Transport Chain.
In Part B of the given model, we are identifying the process that was described above. Our evidence for this is the fact that the process involves both plant and animal cells, occurs in the mitochondria, and concerns the transformation of energy and matter. The description given aligns with the process of cellular respiration.
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A dependent variable changes due to the manipulated independent variable. True or false
This trophic pyramid shows the different types of organisms in an ecosystem. Why do you think a pyramid shape is used to show this categorization?
Answer:
The bottom of the pyramid is made up of plants and other organisms that perform photosynthesis. Photosynthesis transforms energy from the Sun into usable energy for living things. An ecosystem needs to have more of these organisms than any other organism because they provide energy for the entire ecosystem.
Explanation:
answer from Plato
This trophic pyramid shows different level of energy for different type of organism present at different trophic level.
What do you mean by trophic level in pyramid?
The bottom of the pyramid is made up of photosynthesis in plants and other organisms. Photosynthesis converts solar energy into useful energy for living organisms. Because they generate energy for the entire ecosystem, an ecosystem needs more of these organisms than any other.
The producers, or green plants, are found on the first and lowest level. The second-level organisms, herbivores, or plant eaters, consume the plants or their products. Primary carnivores, or meat eaters, devour herbivores at the third level, and secondary carnivores eat primary carnivores at the fourth level.
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which of the following is an intrusive igneous body
A. pyroclast
B. lathar
C. batholith
D. lava flow
An intrusive igneous body is C. a batholith because it is the largest of all.
What is the longitude of the easternmost point in New York State?
Jenna's pencil fell off of her desk and she quickly reached down to catch it before it hit the ground. In this process, the system first recognized the falling pencil. It sent signals to the system, which then moved the components of the system in order to catch the pencil.
1. nervous
2. muscular
3. skeletal
Jenna's ability to catch her falling pencil quickly is made possible by her nervous system's fast reaction time.
Explanation:Nervous System and Reaction TimeIn the scenario described, Jenna's ability to quickly catch her falling pencil is due to her nervous system's fast reaction time. The nervous system is responsible for recognizing the stimulus (falling pencil) and sending signals to activate the necessary components (muscles) to catch it.
The nervous system works through the specialized cells called neurons, which transmit electrical signals. When the pencil falls, the sensory neurons in Jenna's hand and arm detect the movement and send signals to the brain. The brain then processes this information and sends signals through motor neurons to the muscles in Jenna's hand and arm, allowing her to reach down and catch the pencil in time.