PLEASE HELP!!
What can happen to an enzyme that will cause it to no longer function properly?
Answers
Answer:
Extreme temperatures can cause an enzyme to lose its shape (denature) and stop working.
Explanation:
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Related Questions
How can you explain the pattern of temperature differences given what you know about the ability of water to absorb and release heat? Place a checkmark next to
each true explanation:
A) Cities near the coast are near large bodies of water which can
absorb heat during hot periods.
Cities near the coast are near large bodies of water which can
release absorbed heat during cooler times.
B) The temperatures near the coast are more stable than those that
are inland.
C) The temperatures in the inland cities are more stable.
There is more of a variation in temperatures in cities that are
further inland.
D)There is more of a variation in temperatures in cities that are on
the coast.
Answers
There is more of a variation in temperatures in cities that are on the coast is ability of water to absorb and release heat. Thus, the correct option is D.
Why are the most extreme temperatures experienced inland away from the coast?Because rock and soil have a smaller heat capacity than water, temperature variance is greater in inland places. As a result, land areas lose and absorb heat at a far faster rate than coastal areas.
Because rock and soil have a smaller heat capacity than water, temperature variance is greater in inland places. As a result, land areas lose and absorb heat at a far faster rate than coastal areas. Humid continental climates and subarctic continental climates are two types of continental climates.
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describe the conditions in the thermosphere
Answers
Answer:
Explanation:
The thermosphere is the layer between the middle and outer layers of the Earth's atmosphere. Ultraviolet rays, especially gamma rays and sun X-rays, cause the ionization of atoms and sodium molecules in this layer. In the process, the gas that makes up it raises its temperature by several hundred degrees, hence the name. The air particles in the hot bulb are very separate. Sometimes the gas particles in this layer carry energy from the sun. The thermosphere is a layer in the Earth's atmosphere (especially the fourth layer) and the gas it contains is ionized (hence the ionosphere), so it reaches a high temperature. In this layer, the temperature rises continuously above 1000oC. It consists of a lot of charged particles.
Temperatures climb sharply in the lower thermosphere (below 200 to 300 km altitude), then level off and hold fairly steady with increasing altitude above that height. Solar activity strongly influences temperature in the thermosphere. The thermosphere is typically about 200° C (360° F) hotter in the daytime than at night, and roughly 500° C (900° F) hotter when the Sun is very active than at other times. Temperatures in the upper thermosphere can range from about 500° C (932° F) to 2,000° C (3,632° F) or higher.
The boundary between the thermosphere and the exosphere above it is called the thermopause. At the bottom of the thermosphere is the mesopause, the boundary between the thermosphere and the mesosphere below.
Although the thermosphere is considered part of Earth's atmosphere, the air density is so low in this layer that most of the thermosphere is what we normally think of as outer space. In fact, the most common definition says that space begins at an altitude of 100 km (62 miles), slightly above the mesopause at the bottom of the thermosphere. The space shuttle and the International Space Station both orbit Earth within the thermosphere!
Which of the following statements defines ovulation?
Ovulation is when an immature ovum develops into a mature ovum.
*Ovulation is the release of a mature ovum, which occurs once each month.
Ovulation is the production of an ovum that occurs each month.
Ovulation is the monthly discharge of the uterine lining.
Answers
Answer:
b. Ovulation is the release of a mature ovum, which occurs once each month.
Explanation:is correct. post protected
Ovulation is the release of a mature ovum, which occurs once each month. The correct option is B.
What is ovulation?The process of an egg being released from the ovary is called ovulation. The egg is released and travels down the fallopian tube, where it remains for 12 to 24 hours before being fertilised.
Although ovulation is necessary for conception, more than simply an egg is required. For instance, there needs to be a clear path to the egg. A blocked fallopian tube prevents pregnancy from happening.
Around the time of ovulation, you could notice that your cervical mucus is wetter, clearer, and more slippery. After ovulation, there is a slight increase in body temperature that you might be able to measure with a thermometer.
Thus, the correct option is B.
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Describe the role of each of these components:
Mouth:
Pharynx:
Esophagus:
Stomach:
Small Intestine:
Large Intestine:
Rectum:
Anus:
Liver:
Pancreas:
Gallbladder:
Blood:
If you solve this and list everything you will get 50 points plus brainliest. If you have any questions ask in chat don't answer with a question.
Answers
Answer:
Mouth: The digestive process starts in your mouth when you chew. Your salivary glands make saliva, a digestive juice, which moistens food so it moves more easily through your esophagus into your stomach. Saliva also has an enzyme that begins to break down starches in your food.
Pharynx: It receives food and air from the mouth, and air from the nasal cavities.
Esophagus: the esophagus receives food from your mouth when you swallow.
Stomach: It takes in food from the esophagus, mixes it, breaks it down, and then passes it on to the small intestine in small portions.
Small Intestine: The small intestine carries out most of the digestive process, absorbing almost all of the nutrients you get from foods into your bloodstream.
Large Intestine: The purpose of the large intestine is to absorb water and salts from the material that has not been digested as food, and get rid of any waste products left over. By the time food mixed with digestive juices reaches your large intestine, most digestion and absorption has already taken place.
Rectum: The rectum stores the stool until you feel the need to have a bowel movement. Muscles of your rectum then push the stool through your anus and out of your body.
Anus: The anus is the opening at the far end of the digestive tract through which stool leaves the body.
Liver: Your liver makes a digestive juice called bile that helps digest fats and some vitamins. Bile ducts carry bile from your liver to your gallbladder for storage, or to the small intestine for use.
Pancreas: your pancreas makes pancreatic juices called enzymes.
Gallbladder: the bile passes to the gallbladder which concentrates and stores it for later use
Blood: blood transports nutrients and hormones
Explanation:
The proper protective equipment for working with hazardous chemicals in the lab includes, gloves, lab coat, goggles, and a fume hood.
Answers
Answer:
True
Explanation:
Assuming this is a true or false question, your best answer should be true. There is other equipment that may be needed, for example, a safety shower (used when someone comes into contact with hazardous chemicals), but everything listed on the question is correct.
Distended neck veins, difficulty breathing, cough, severe headache, and tachycardia represent which type of blood transfusion reaction?
Answers
he continuous use of pesticides in great amounts, has two effects that are especially ___________. First, pesticides kill the pests' natural enemies in the area. Second, it often accidentally engenders pests that are resistance to pesticides, since those that survive a particular pesticide will be highly resistant to it, and will be the ones left to breed.
Answers
Answer:
pernicious
Explanation:
Pesticides are substances used to control pests such as, for example, harmful insects that attack crops. Pesticides are classified according to the target species (e.g., herbicides, insecticides, bactericides, etc) and the type of substance used as pesticide (e.g., biopesticide, chemical pesticide, etc). The use of pesticides in farming presents several concerns such as the emergence of resistance in target species, harmful effects on human health and environmental pollution. Moreover, pesticides may also present negative effects on non-target species, having a profound environmental impact in agroecosystems.
What are the characteristics of carbon bonds? Check all that apply.
Answers
Answer:
A Carbon atom can bond with four other atoms and is like the four hole wheel,while an oxygen atom, which can bond only to two, is like the two hole wheel. Carbon's ability to form bonds with four other atoms goes back to it's number and configuration of electrons.
Hope this helps
Explanation:
Answer:
Coovalent bonding , slow reaction rates , high activatian energies to begin reactions, insouble in water hope this helps.
Explanation:
Capillaries in the heart keep blood flowing in one direction.
a. True
b. False
Answers
Answer:
A) True.
Explanation:
Capillaries then lead into small veins. Small veins lead to larger and larger veins as the blood approaches the heart. Valves in the veins keep blood flowing in the correct direction.
Hope it helps!
Which answer is not a mechanism for evolution?
Answers
Random mutation is not an mechanism of evolution .
Five important factors for evolution mechanism are Natural Selection, genetic drift, gene flow, mutations, and non random mating. Through these process members of a population differs greatly in their traits.
Natural selection is the most important mechanism of evolution, other evolutionary mechanisms can also change the frequencies of traits in populations. These include mutation, genetic drift and migration. Natural selection have 5 basic and major components These are Variation (individual have variation in appearance and behavior ), Inheritance( traits are continuously passed on from parent to offspring), Selection, Time and Adaptation.
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produces automatic behaviors necessary for survival.. A. brain stem B. hypothalamus C. cerebrum
D. cerebellum
E. thalamus
Answers
Answer:The correct answer is A. brain stem.
Explanation:The brain stem is responsible for producing automatic behaviors necessary for survival. It controls essential functions such as breathing, heart rate, blood pressure, and basic motor functions. It serves as a bridge between the spinal cord and the higher brain structures and is involved in regulating various involuntary processes to maintain homeostasis. The brain stem also plays a crucial role in relaying sensory and motor signals between the brain and the rest of the body.
Explanation: Yes, the correct answer is A. brain stem, they are 100% correct :D brainly please?
which symptoms are consistent with crohn's disease? (select all that apply.) group of answer choices diarrhea constipation excessive folate dysphagia abdominal pain weight loss
Answers
Symptoms consistent with Crohn's disease include diarrhea, abdominal pain, and weight loss, options A, E and F are correct.
Crohn's disease is a chronic inflammatory condition that primarily affects the gastrointestinal tract. Persistent diarrhea is a hallmark symptom, often accompanied by urgency and frequent bowel movements. Abdominal pain is another common feature, typically cramp-like and localized to the lower right abdomen but can occur in any part of the abdomen.
Unintentional weight loss is frequently observed due to reduced appetite, malabsorption of nutrients, and increased metabolic demands associated with the disease. While other symptoms like fatigue, fever, rectal bleeding, and reduced appetite may also occur, diarrhea, abdominal pain, and weight loss are the most consistent indicators of Crohn's disease. Consulting a healthcare professional is essential for accurate diagnosis and appropriate management of the condition, options A, E and F are correct.
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The complete question is:
Which symptoms are consistent with crohn's disease? (select all that apply.) group of answer choices
A. diarrhea
B. constipation
C. excessive folate
D. dysphagia
E. abdominal pain
F. weight loss
When is most of the ATP generated in aerobic respiration
Answers
During electron transport chain,by the reduction of coenzymes NADH
Which event does not take place in prophase?
Answers
Chromosome replication does not take place in Prophase.
The chromatin, combination of DNA and proteins present in the nucleus, condenses during prophase. The development of discernible chromosomes is caused by the coiling and tightening of the chromatin. A properly organized piece of DNA builds up each chromosome. A process known as DNA replication is used by a cell to copy its chromosomal DNA after every cell division. The two "daughter" cells that are formed from the duplicated DNA share the identical genetic material. Chromosome segregation is the name of this procedure. DNA serves as a repository for genetic information, making DNA replication and segregation extremely fidelity-sensitive processes.
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Are the three DNA samples loaded in step A identical? Why or why not?
Answers
The DNA samples loaded were treated with the same resriction enzymes, which search and cut in specific sequences. I
If all the samples were the same, the fragments woul be of the samen lengths in all samples, and the same pattern would be observed in the gel. This is not the case in the example, so the samples added at the beginning were not identical.
Which statement best describes antigenic variation of a parasite?
a) Parasites can change their antigens or create novel antigens.
b) Parasites do not have any surface antigens.
c) Parasites are ingested by macrophages, and antigens are denatured.
d) Parasites have similar host antigens.
Answers
The statement that best describes antigenic variation of a parasite is: a) Parasites can change their antigens or create novel antigens.
Antigenic variation refers to the ability of parasites to change their antigens or create new ones. This process is essential for the survival and evasion of the immune system by the parasite. By altering their antigens, parasites can avoid detection and clearance by the host's immune response.
Parasites have evolved sophisticated mechanisms to undergo antigenic variation. They can modify the surface proteins or switch between different antigenic variants. This variation can occur through genetic recombination, gene duplication, or mutation, allowing the parasite to constantly present a different antigenic profile to the immune system.
The ability of parasites to change their antigens or generate novel antigens poses a significant challenge in the development of effective vaccines and treatments. Since the antigens expressed by the parasite can change over time, the immune system may struggle to mount a targeted and long-lasting immune response.
Understanding antigenic variation is crucial in the study of parasitic infections and the development of strategies to control and treat them. By targeting conserved antigens or finding ways to disrupt the antigenic variation mechanisms, researchers aim to develop interventions that can effectively combat parasitic diseases.
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why are some types of organisms much more commonly fossilized than others?
Answers
Answer:
The enamel and dentin of teeth are harder than bone and as a result, teeth are more likely to be fossilized than other parts of a vertebrate.
Explanation:
A model of gene expression within the lac operon is shown here. According to the model, how are genes regulated in the lac operon?
Select ALL that apply.
es )
A)
Functional genes Z, Y, and A are continuously transcribed.
B)
In its natural configuration, the repressor protein cannot bind to the
operator
Functional genes Z, Y, and A are transcribed in the absence of a repressor
protein
D)
Functional genes Z, Y, and A are transcribed in the presence of lactose in
the environment.
E)
The gene that encodes for the repressor proteins is continuously
transcribed under all conditions.
Answers
Answer: C,D,E
Explanation:
I just did it on USATestprep
During a particularly dry summer, numerous fires plagued South Florida. Health department officials sent out warnings to discourage people from going outside. Which members of the population are a primary concern?
Answers
During fire plague the members of the population that should be a primary concern are:
People with respiratory problemsChildrenOlder adultsPeople with heart conditionsPregnant womenWhy would these population be a primary concern?When faced with a fire outbreak situation its imperative we consider those who are most prone to injury or discomfort due to their health status: persons having respiratory issues such as asthma sufferers; children; the elderly; those suffering from cardiovascular ailments; and pregnant women.
Prioritizing their safety through prompt evacuation is paramount as smoke and fumes can cause significant harm swiftly. Recognizing this need will further ensure that they receive adequate medical care if required without delay or obstruction in case of an emergency.
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By what means do new combinations of alleles arise? Pick all that apply.Group of answer choicesa) via crossing over during telophase of mitosisb) via Crossing-over events that happen during meiosis.c) via random fertilization i.e. any sperm can fertilize any egg making 64 trillion possible combinations.d) via the independent assortment of alleles during meiosis.
Answers
The correct answers are B and D. New combinations of alleles arise via crossing-over events that happen during meiosis and via the independent assortment of alleles during meiosis.
Crossing-over occurs during prophase I of meiosis and results in the exchange of genetic material between homologous chromosomes. Independent assortment occurs during metaphase I of meiosis, when homologous pairs of chromosomes align randomly at the equator, leading to the formation of different combinations of alleles in the resulting gametes.
Random fertilization also contributes to the generation of new combinations of alleles, but this is not limited to specific events during meiosis.
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How and why might the R0 value change over time during an outbreak? pls help
Answers
Answer:
Vaccinations
Explanation:
For example, if a disease has an R0 of 18, a person who has the disease will transmit it to an average of 18 other people. That replication will continue if no one has been vaccinated against the disease or is already immune to it in their community. So if you have (for example) a vaccination then you're less likely to get it, resulting in a lower R0
What type of scientist would be the best qualified to perform genetic engineering to pro- duce seed that are more productive in agriculture? A. biochemist B. geologist C. molecular biologist D. paleontologist
Answers
The type of scientist best qualified to perform genetic engineering to produce more productive seeds in agriculture would be a molecular biologist, the correct option is C.
Molecular biologists specialize in studying the structure, function, and interactions of molecules within biological systems, including DNA and genes. Genetic engineering involves manipulating the genetic material of organisms, which requires a deep understanding of molecular biology principles.
Molecular biologists have the expertise to identify and isolate specific genes responsible for desired traits in crop plants, such as increased productivity or resistance to pests or diseases. They can then modify or introduce these genes into target plants to achieve the desired outcomes, the correct option is C.
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Which of the following statements is true. *
10 points
Sperm : Produced in ovaries Eggs: Produced in testes
Sperm: Produced in testes Eggs: Produced in ovaries
Answers
Answer:
sperm produced in testes, Eggs produced in ovaries
(carbohydrates, lipids, proteins, and nucleic acids). How does form and function
relate to enzymes?
Answers
where is earth's most carbon located?
Answers
Answer: On Earth, most carbon is stored in rocks and sediments, while the rest is located in the ocean, atmosphere, and in living organisms. These are the reservoirs, or sinks, through which carbon cycles.
Explanation:
Answer:
rocks, sediments
Explanation:
do identical twins have the same fingerprints
Answers
Answer:
no
Explanation:
Identical twins do not have identical fingerprints, even though their identical genes give them very similar patterns. ... Small differences in the womb environment conspire to give each twin different, but similar, fingerprints. In fact, each finger has a slightly different pattern, even for your own fingers.
Describe how the behavior of prairie dogs secure the survival of their offspring.
Answers
Answer:
Prairie dogs create a safe home for their young by creating underground burrows, which protect them from hailstorms, blizzards, floods, droughts, and fires. The burrow contains many different chambers, including a nursery that is very deep underground. This protects the young from predators as well as changes in the temperature outside. The burrows even include observation posts where they can watch for predators.
Explanation:
This is the sample response btw
In order to make a foundry more environment friendly use: A. Renewable energy B. Recycled materials C. Reuse Sand D. All of the above
Answers
A foundry may considerably lessen its environmental impact and support sustainable practices by putting all of these measures—renewable energy, recycled materials, and sand reuse—into place. All of the above. The correct option is D
What is environmentally friendly?It is advised to use a variety of strategies to make a foundry more ecologically friendly. Utilizing renewable energy sources, such as geothermal, solar, or wind energy, can assist cut the greenhouse gas emissions brought on by energy use. Utilizing recycled materials in the foundry process lessens the demand for mining and processing fresh raw materials while also conserving natural resources.
Another environmentally friendly foundry procedure is the reuse of sand. After each casting, spent sand can be cleansed, cleaned, and reused in additional casting processes rather than being disposed of. By doing this, the trash produced and the environmental damage caused by the disposal of sand are reduced.
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Investiga cinco efectos sobre la salud derivados de la exposición física y consumo de aguas contaminadas por desechos industriales o municipales
Answers
Answer:
Estar expuesto o consumir agua contaminadas por desechos industriales o municipales puede causar:
Daños neurológicos.Infecciones virales.Irritación de la piel.Problemas gastrointestinales.Problemas cardiacos.Explanation:
La exposición y consumo de aguas contaminadas puede traer diversos problemas. Estas aguas pueden tener virus y bacterias que causan enfermedades tales como gastroenteritis, la cual causa dolor intestinal y vómitos; poliomielitis, la cual daña los músculos y puede terminar en la muerte; hepatitis, virus que afecta el hígado; entre otras enfermedades. Además de la presencia de virus y bacterias que representan una amenaza para nuestra salud, también hay desechos industriales y elementos tales como el arsénico que causan daño en el sistema nervioso, renal, respiratorio, en nuestro corazón y la piel.
Debido a los diversos daños que representan las aguas contaminadas es importante cuidarla y estar siempre en contacto con aguas tratadas o limpias.
what is the process through which organisms create more organisms that can be genetically identical or genetically different.
Answers
Answer: sexual reproduction or reproduction
Explanation: an organism combines the genetic information from each of its parents and is genetically unique.