Answer:
The tough, thin outer membrane covering the bones is called the periosteum.
How many pyruvate, ATP, and NADH are produced from the glycolysis of one glucose molecule?
A) 1 pyruvate, 1 ATP, 1 NADH
B) 2 pyruvate, 1 ATP, 1 NADH
C) 2 pyruvate, 2 ATP, 2 NADH
D) 1 pyruvate, 2 ATP, 2 NADH
Answer: C. 2 pyruvate, 2 ATP, 2 NADH
I’LL GIVE YOU A LOT OF POINTS
A hypothesis is an educated guess based upon observation. It is an
explanation of a single event based upon what is observed. A hypothesis has not
been proved but can be supported by experimentation.
a) Suppose that out of 10 trees planted in a yard, only five survived. What kind of
hypothesis could you make about this observation or event? Remember that a
hypothesis needs to have a certain format.
b) How could you test this hypothesis? What type of experiment could you perform?
a) My hypothesis is in this case is that the environmental conditions in the yard were too extreme which resulted in half of the trees dying.
b) I can test this hypothesis by asking myself, what environmental conditions were the trees in that caused half of them to die? I could read about different biomes and their climates and learn how well they support organic life such as grass, plants, crops, and even trees. I can then determine that half of the trees did not survive due to the extreme environmental conditions they were in.
Here you go!
what does the flagellum do in prokaryotic cells?
6. What causes the vast quantity of lava to be forced out of the Icelandic volcanoes during eruptions?
Explanation:
plumes/columns of hotspots
Suggest why the quantity of water vapour in expired air is always high?
Not all of the oxygen in the air is taken up by the lungs, and that the gases released when someone breathes out are heated to body temperature and saturated with water vapour. This results in the expired air having a larger water vapour content.
Why does expired air contain more oxygen?All of the oxygen in the air we breathe does not enter our lungs during the breathing process. The amount that is absorbed is little. Therefore, some oxygen is present in expired or exhaled air.
Since we don't consume nitrogen, the percentage of nitrogen remains close to 78%, but the significant difference is the rise in carbon dioxide. More or less 4% of the carbon dioxide and a larger percentage of water vapour than breathed air are found in exhaled air.
Water vapour makes up 0.02 to 0.04% of the air we breathe. Water vapour makes about 5.0 to 6.3% of exhaled air.
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If a scientist wanted to remove genetic material from a cell to make a DNA finger-
print, what organelle could be used?
help asap
Rudolf Virchow's work resulted in the claim that all cells come from preexisting cells. How did this impact the creation of cell theory?
It significantly contradicted earlier claims about cells in cell theory.
It caused scientists to quit researching cells until new microscopes were invented.
It showed that cell theory is very misunderstood in the scientific community.
It added to our understanding of cells, completing the claims in cell theory.
Rudolf Virchow impact on the cell theory is that It added to our understanding of cells, completing the claims in cell theory.
The correct answer choice is option d
Rudolf Virchow contribution on the cell theory.It happens that Virchow proposed that " all cells comes from pre-existing cells ". This implies that a living cells can only come into existence only from a previously existing cells. This infact, gave more insight on cellular pathology. This works of Rudolf Virchow added more light to the understanding of cellular structures and functions.
Other cellular theories includes:
All living organisms are composed of cells.There is no life apart from the life of cells.All living organisms are either unicellular or multicellular organisms.The study of cell is known as cytology.
The scientist who is regarded as the father of cell is Robert Hooke.
In conclusion, the contribution of Rudolf Von Virchow gave us more understanding about the fundamentals of cells.
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I rlly need help thx
Answer:
wit what
Explanation:
At sea level, the atmospheric presses down with a force of about _____ kilogram per square centimeter.
Question 8 options:
4
1
3
2
At sea level, the atmospheric presses down with a force of about 1 kilogram per square centimeter and is denoted as option B.
What is Force?This refers to as a type of influence which is capable of changing the motion of an object or body and the S.I unit is Newton. Air pressure on the other hand is the weight exerted on a given area of body.
At sea level, the atmospheric presses down with a force of about 1 kilogram per square centimeter and is therefore the reason why option B was chosen as the most appropriate choice.
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explain between glucose and glycogen and the role of the liver maintaining the blood glucose
In response to the pancreatic hormones insulin and glucagon, the liver helps maintain blood glucose levels. Glucose enters the liver after a meal, and blood glucose levels rise. This excess glucose is handled by glycogenesis, which occurs when the liver converts glucose into glycogen for storage.
What is blood glucose?Glycemia is the concentration of glucose in the blood of humans or other animals. It is also known as blood sugar level, blood sugar concentration, or blood glucose level. A 70 kg person's blood contains approximately 4 grams of glucose, a simple sugar, at all times. A fasting blood sugar level of 99 mg/dL or less is considered normal, 100 to 125 mg/dL indicates prediabetes, and 126 mg/dL or higher indicates diabetes. The main sugar found in your blood is blood sugar, also known as glucose. It is the primary source of energy in your body and is derived from the food you eat. Your blood transports glucose to all of your body's cells, where it is used for energy. Diabetes is a disorder in which your blood sugar stations stand too elevated.To learn more about glycogen, refer to:
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The excess glucose exists dealt with by glycogenesis in which the liver transforms glucose into glycogen for storage.
What role does the liver have in maintaining blood glucose?By converting glycogen into glucose, a process understood as glycogenolysis, the liver produces sugar or glucose. By gathering amino acids, waste materials, and lipid byproducts, the liver can also produce the glucose or sugar that is required. Glucose 6-phosphatase catalyzes the buffering effect of liver glycogen to maintain blood glucose levels. Glycogenolysis in muscles converts glucose 6-phosphate into glycolysis without wasting any adenosine triphosphate (ATP), as this enzyme is exclusively found in the liver.By balancing the uptake and storage of glucose through glycogenesis with the release of glucose through glycogenolysis and gluconeogenesis, the liver plays a crucial part in this process. The numerous substrate cycles in the main metabolic pathways of the liver are crucial in controlling the generation of glucose.The excess glucose exists dealt with by glycogenesis in which the liver transforms glucose into glycogen for storage.
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In the digestive system, proteins are digested into amino acids.
Describe what happens to any of these amino acids that are in excess, and how their breakdown product is removed from the body.
Answer:
Amino acids are transported to the liver during digestion and most of the body's protein is synthesized here. If protein is in excess, amino acids can be converted into fat and stored in fat depots, or if required, made into glucose for energy. What is left is usually turned into waste and is turned to urine.
Explanation:
Hope it helps! =D
what does the model apply about the relationship between photosynthesis and cellular respiration
Photosynthesis makes the glucose that is used in cellular respiration in order to make energy molecules in the form of ATP.
What is the difference between photosynthesis and respiration?We know that photosynthesis converts carbon dioxide and water into oxygen and glucose. Glucose is used as a food product which is used by plants and oxygen as a by-product. The process of cellular respiration converts oxygen along with glucose into the water and into carbon dioxide. Actually, water and glucose are the by-products, and ATP (adenosine triphosphate) is the energy that is transformed from the process.
The energy released by photosynthesis is stored during the process of cellular respiration. During photosynthesis, the food is broken down during the process of cellular respiration.
So we can conclude that photosynthesis removes carbon dioxide from the atmosphere while cellular respiration again brings carbon dioxide.
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Which TYPES of cell transport go AGAINST the concentration gradient? list all possible so not just active!
The type of cell transport which go against the concentration gradient requires energy. This type of transport includes active transport which have some important functions in cell.
What is Active Transport?
During active transport, substances move against the concentration gradient i.e., from a region of low concentration to a region of high concentration. It is known as active transport because it requires the use of energy (ATP).
There are two main types of active transport: primary active transport that uses ATP, and secondary active transport that uses an electrochemical gradient.
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What are the steps of glycolysis?
The steps of glycolysis are given in the explanation below.
What is glycolysis?Glycolysis is the cellular degradation of the simple sugar glucose to yield pyruvic acid, and ATP as an energy source.
Glycolysis is made up of ten (10) steps that can be divided into two stages namely;
Preparatory stagePayoff or recovery stageThe steps of glycolysis are as follows;
STEP 1: glucose phosphorylation to glucose 6-phosphateSTEP 2: isomerization of glucose 6-phosphate to fructose 6-phosphateSTEP 3: phosphorylation of fructose 6-phosphate to fructose 1,6-bisphosphateSTEP 4: cleavage of fructose 1,6-bisphosphate into two three-carbon fragmentsSTEP 5: interconversion of dihydroxyacetone phosphate and glyceraldehyde 3-phosphateSTEP 6: oxidation of glyceraldehyde 3-phosphate to 1,3-bisphosphoglycerateSTEP 7: phosphoglycerate kinase and the first ATP forming reactionSTEP 8: from 3-phosphoglycerate to 2-phosphoglycerateSTEP 9: formation of phosphoenolpyruvateSTEP 10: pyruvate kinase and the transfer of the phosphoryl group from the phosphoenolpyruvate to the ADPLearn more about glycolysis at: https://brainly.com/question/14076989
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In some countries, human waste is used as a fertilizer. If produce is grown in this type of fertilizer, it is possible that it will be contaminated with the protozoan that causes amoebic dysentery. One method of removing the protist without ruining the food is to place the produce in a 5% salt solution. Explain how this would kill the protist. How could you return them to normal?
The plant produce contaminated with the protozoan that causes amoebic dysentery when placed in 5% salt solution will kill the contaminants due to osmotic difference. The produce then can be brought back to normal by placing in pure water.
Amoebic dysentery is the disease caused by the microorganism called Entamoeba histolytica. The source of infection is human fecal matter. The symptoms of the disease includes abdominal cramps and diarrhea.
Osmotic difference is the difference of solute particles between two substances. When the protozoan cells are placed in salt solution, the salt solution has more solute particles that causes the secretion of water to the outside of protozoan cell, therefore causing its death by dehydration.
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Help asp match them
Source that would be reliable and credible:
Articles written by respected author
article contains citation
article expresses their opinion on the subject
article based on the strong evidence
website registered by government/educational institution.
Source that would not be reliable and credible:
Article is only found on social media.
The article marked as an advisement
author/publisher/organization of article missing
The article includes more than one perspective on the issues
sources are missing
What is mean by credible source ?
A credible source is one that is written by someone who is an expert in their field and is free of errors and biases. This guide explains the difference between reliable, scientific and peer-reviewed sources.
Primary, secondary and tertiary sources provide different types of information.
Immediate : Immediate description of an event or discovery. A source conveys original research, thought or opinion. Secondary : Used event or subject report. Source provides analysis, discussion or overview of elements. Tertiary : Combination of primary and secondary sources. Source provides an overview or summary of other sources.To learn more about credible sources, visit;
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Biology 1 sem 1 The nature of sciences
Which do you think is better for thé environnement :paper or plastique
Paper is better for the environment.
Paper bags have a few blessings over plastic bags when it comes to sustainability. they may be easier to recycle, and, because they're biodegradable, they can be used for functions like composting.
Plastic bags generate 39% much less greenhouse fuel emissions than uncomposted paper bags and 68% less greenhouse gasoline emissions than composted paper luggage. Plastic baggage consume less than 6% of the water needed to make paper baggage.
The environment gives us limitless advantages that we can't repay our entire life. As they're related with the woodland, timber, animals, water, and air. The wooded area and bushes filter the air and take in dangerous gases. flowers purify water, lessen the probabilities of flood keep herbal balance and plenty of others.
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Through a published schedule and set of guidelines, the Centers for Disease Control and Prevention (CDC) and public health officials recommend that every child receive certain vaccinations by age 6. What are the benefits of this recommendation to public health officials, to the community and to other children?
Answer: to ensures your baby's immune system gets the help it needs to protect your child long-term from preventable diseases. Not vaccinating your child on time can make someone else sick.
Explanation: hope this helps
The benefits of the recommended vaccination schedule include improved public health, reduced disease transmission, protection for vulnerable populations, and prevention of outbreaks.
What is vaccination?Vaccination, also known as immunization, is a medical process that involves the administration of a vaccine to stimulate the immune system and provide protection against specific infectious diseases. Vaccines are composed of weakened or killed pathogens, parts of pathogens, or harmless components that resemble pathogens. When a vaccine is introduced into the body, it triggers an immune response, stimulating the production of antibodies and the activation of immune cells.
The primary goal of vaccination is to prevent diseases and their complications. By receiving vaccines, individuals develop immunity to specific pathogens, making them less susceptible to infection. Vaccination not only protects the vaccinated individual but also contributes to public health by reducing the spread of infectious diseases within communities. This concept, known as herd immunity, occurs when a significant portion of the population is immune, preventing the sustained transmission of a pathogen and safeguarding those who cannot receive vaccines due to medical reasons or being too young.
Overall, vaccination has been one of the most successful and cost-effective public health interventions, saving countless lives and significantly reducing the burden of infectious diseases worldwide
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after which stage can a woman be described as pregnant
A pregnancy is considered to be established only after implantation is complete.
Pregnancy is the term used to describe the period during which a fetus develops in or in a woman's womb. Pregnancy is usually about forty weeks from the last menstrual period to delivery or just over nine months. Healthcare providers refer to her three stages of pregnancy called trimesters.
She became pregnant soon after her marriage. There was a meaningful pause before the winner was announced. Early signs of pregnancy include breast tenderness nausea vomiting called morning sickness but it can occur at any time of the day or night headache hot flashes bloating loss of appetite, and fatigue. Late periods of breast pain and tenderness fatigue nausea, and morning sickness are common early pregnancy symptoms says, Taylor.
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Which population characteristic
describes the number of individuals in
an area per the unit?
A. Population Growth
B. Geographic Distribution
C. Population Density
D. Habitat Distribution
Answer:
C.
Explanation:
It is the number of individuals living within that specific location determines or the number of individuals divided by the size of the area.
Which statements are true?
Select all that apply.
Changes within the rock cycle can take millions of years.
Changes within the rock cycle can take thousands of years.
Some changes within the rock cycle can occur very quickly.
2. What is the maximum initial reaction rate for this enzyme at pH 7?
The maximum initial reaction rate for this enzyme at pH 7 is 350.
What is the enzyme reaction's beginning rate?The initial rate of reaction is represented by the dotted red line on the plot, which displays the gradient of the straight line segment. When the concentrations of the enzyme and substrate are known, the initial rate of the reaction can be properly compared to fresh enzyme or substrate concentrations.
Why do enzymes function best at a pH of 7?The bulk of naturally existing living things have a pH of 7, which is neutral and where enzymes function best. At pH 7, which is considered neutral, the quantities of acid and base are equal.
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the urinary tract represents a portal of entry for e.coli, a normal inhabitant of the gi tract. introduction of this opportunistic pathogen and its subsequent colonization is known as __________.
The urinary tract represents a portal of entry for e.coli, a normal inhabitant of the gi tract. introduction of this opportunistic pathogen and its subsequent colonization is known as an infection.
The invasion and increase of germs in the frame. The germs can be bacteria, viruses, yeast, fungi, or other microorganisms. Infections can start anywhere in the body and might unfold for the duration of it. Contamination can cause fever and other fitness troubles, depending on in which it occurs within the body.
Infection takes place while germs input your frame and multiply, ensuing in ailment. The four main types of infections are viral, bacterial, fungal, and parasitic. A person with a bacterial contamination will often experience redness, warmth, swelling, fever, and ache at the web site of infection, as well as swollen lymph glands.
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Disclaimer:- your question is incomplete, please see below for the complete question.
The urinary tract represents a portal of entry for e.coli, a normal inhabitant of the gi tract. introduction of this opportunistic pathogen and its subsequent colonization is known as __________.
a. a syndrome
b. a sign
c. a symptom
d. an infection
Lactic acid fermentation is a type of anaerobic process.
TRUE OR FALSE?
Answer:
The answer is TRUE
During Interphase a cell grows, duplicates organelles, and: a. Copies DNA b. Divides the nucleus c. Divides the cytoplasm Produces a new cell d. following stages shown in the figure does
A cell expands, makes additional organelles, and copies its DNA during the interphase.
Cell division:Cell division is the splitting of a mother cell into two or more daughter cells. Cell division typically takes place as part of a lengthier cell cycle.
The two separate cell division processes are meiosis and mitosis. The process of making new cells for the body, known as mitosis, is usually meant when the term "cell division" is used. Meiosis, a cell division process, is what creates egg and sperm cells. Mitosis is an essential biological mechanism.
What is the function of cell division?The process of cell division is how new cells are created for the body's needs of growth, repair, and replacement. Both the nuclear material and the cytoplasm are divided during this process. All somatic (or "somatic") cells in the body—aside from the gametes, which generate eggs and sperm—reproduce through a process called mitosis.
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13) Write two problem questions about something you can observe right now then write two hypotheses for the problems previously created.
Two questions may include how pollutants may affect global warming or why chlorofluorocarbons hamper the ozone layer, which can be investigated by raising the hypotheses 'pollutants can drastically affect global temperature' or 'chlorofluorocarbons effectively alter the ozone layer', respectively.
What is an investigational hypothesis?An investigational hypothesis can be defined as a plausible explanation about the observation of phenomena that occur in the real world which must be tested by experimentational procedures in order to confirm or reject them.
During the scientific method, we raise questions that may be answered by confirming hypotheses, a process that leads to collecting empirical evidence in favor of such ideas.
Therefore, we can conclude that hypotheses such as for example if pollutants may affect global warming by acting as greenhouse gases can be solved by using the scientific method, which involves making experiments to confirm or reject the hypothesis.
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Hypothesis: If the tire pressure for a car is set at the manufacturer's recommended amount, the gas mileage of the car will increase.
How would you test this hypothesis?
Answer:
Seems more like a physics question but anyways
Explanation:
Tyre air pressure as recommended by the manufacturer ensures less energy application in moving your car, and easy movement of the engine means low fuel gulping. Regular air pressure check not only improves fuel efficiency but also results in smoother handling and better control of your car.
The table lists some organelles and functions. Only one pair is correctly matched.
Functions of Organelles
Organelle Function
Nucleus Directs cell activity
Endoplasmic reticulum Breaks down sugar molecules to supply energy
Golgi apparatus Supports and protects organelles in the cell
Lysosome Produces proteins for the cell
Which organelle in the table is correctly matched with its function?
nucleus
endoplasmic reticulum
Golgi apparatus
lysosome
Answer:
nucleus I believe
Explanation:
Criticize me if I'm wrong but the nucleus' is like the brain of the cell for how its the main organelle. Hope this helps
Answer:nucleus
Explanation:
Which type of mutation has occurred?
Original DNA sequence: GGCCGTTTCACC
mutated DNA sequenceGGCCGTTACACC
When a single base pair is added, removed, or altered in a genome, it is referred to as a point mutation.
The sickle cell anemia condition is a case of a point mutation.
Only one base pair is altered in the question at hand. T transforms with C
GGCCGTTTCACC
GGCCGTTACACC
What is mutagenesis?A mutation is a change to an organism's DNA sequence. Errors in DNA replication during cell division, exposure to mutagens, or viral infection can all cause mutations.
such as a cyclops cat, four-legged ducks, and snakes with two heads.
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