What was the purpose of the vinegar In the third trial?
A) test the effect of raising pH on enzyme action
B)served no purpose
C) serve as a control
D) test the effect of lowering pH on enzyme action
the assignment is on Odyssey Experiment: Enzyme Action
Answers
A)test the effect of raising Ph on enzyme action
Related Questions
What criteria and constraints do engineers need to consider when designing and consructing a physical reef model
btw this is for science
Answers
Calcium carbonate is produced by marine animals, primarily hermatypic corals, crustose coralline algae, and other calcifying algae, to create the physical foundation of coral reefs.
What is the coral reef model?The reef is a blockchain for smart contracts created with the Substrate platform.
Reef Chain's strong scalability, support for Solidity and Ethereum VM, and low transaction costs make it possible for developers to easily move their decentralized applications (dApps) from Ethereum without having to change the code.
Therefore, they also require enough sunlight, a hard bottom no deeper than 165 feet (50 m), some current or upwelling, and somewhat clear water for the corals to live in.
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The stomach is protected from self-digestion by the ______________. When this breaks down, _________ can form and be painful.
Answers
The stomach is protected from self-digestion by the mucus lining. When this breaks down, ulcers can form and be painful.
Ulcers refer to a small sore or lesion that develops in the lining of the stomach or duodenum (small intestine) or oesophagus. Ulcers are typically due to inflammation caused by bacteria known as Helicobacter pylori (H. pylori) as well as by stomach acid. The stomach is protected from self-digestion by the mucus lining. When this mucus lining breaks down, ulcers can develop and cause discomfort and pain.
Ulcers can be caused by different factors, including:
Helicobacter pylori (H. pylori) infections
Excessive use of painkillers
Alcohol consumption
Smoking
Radiation therapy
Nonsteroidal anti-inflammatory drugs (NSAIDs) such as aspirin
Infection with a type of bacteria known as Helicobacter pylori (H. pylori) is the most common cause of ulcers.
Ulcers can result in a variety of symptoms, which include:
Abdominal pain or discomfort
Bloating
Feeling of fullness, especially after eating
Heartburn or acid reflux
Nausea
Vomiting or retching, which may contain blood
Weight loss, loss of appetite
Difficulty swallowing
Frequent burping or hiccups, among others.
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Temperate Deciduous Forest has vegetation that changes with the growing season
True
False
Answers
True!
vesicle formation is driven by the binding of clathrin or cop proteins. select an answer and submit. for keyboard navigation, use the up/down arrow keys to select an answer. a true b false
Answers
It is true that vesicle formation is driven by the binding of clathrin or COP proteins.
Vesicle formation is used to recycle membrane components and allow extracellular substances to enter the cell. Thus, endocytosis and a variety of cellular functions are linked to vesicle formation.
The majority of transport vesicles originate in specialized, membrane-coated regions. They emerge as coated vesicles with a distinct cytosolic surface cage of proteins.
Coated vesicles can be broken down into three distinct categories based on the coat proteins they contain:clathrin-covered, COPI-covered, and COPII-covered vesicles. In the cell, different transport steps rely on each type.
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2 What is the window period
Answers
Answer:
The window period for an HIV test refers to the time between HIV exposure and when a test can detect HIV in your body.
Explanation:
I hope it helps:)
what is the fear of feaces
Answers
Answer:
coprophobia
Explanation:
(=^w^=) woof
1. Finish the table.
2. Consider the information in the chart above. (Remember: a higher ratio is better for diffusion.) As the volume increased:
A. What happened to the ratio?
B. If these cubes were cells, which ratio would make diffusion easier?
C. Which size cube would make a more efficient cell?
Answers
Answer:
for a b and c i got A. IT DECREASED B. SMALL DICE C. SMALL DICE
Explanation:
• how do an individual's experiences in bronfenbrenner's macrosystem impact their views on or practices surrounding death?
Answers
glucose molecuels are small enough to pass through the membrane what transport has been used
Answers
Answer:
Because most cells, including erythrocytes, are exposed to glucose concentrations outside the cell that are greater than those within, facilitated diffusion leads in net glucose inward movement.
What does chordates mean ?
Answers
Answer:
Chordata is a phylum (group) of animals which have a notochord. The group includes vertebrates, with some closely related invertebrates. In case you don't know what is notochord. Notochord. This flexible skeletal rod that's made of cartilage is what gives chordates their name.
The notochord runs between an animal’s digestive tube and its nerve cord and provides support for the body. It is the precursor of a backbone, or spine, in vertebrates.
Example : Any vertebrate you can think of is in the phylum Chordata. That means pandas, crows, sharks, salamanders, alligators, humans, etc.
Explanation:
what is the organ that bryophytes use for absorb of water
Answers
Answer:
The answer is Rhizoids ok
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Which term describes the ability of a substance to change the genetic characteristics of an organism
Answers
Answer:
Transformation
the ability of a substance to change the genetic characteristics of an organism
A reproductive barrier that prevents species from mating is an example of ______.
Answers
Prezygotic barriers include things like reproductive obstacles that stop animals from mating. When an organism's eggs do not fertilize, this is referred to as a prezygotic barrier.
No progeny or zygote will be created in this situation. It contrasts with postzygotic barriers, which develop following fertilization. Although the offspring are created in this situation, they are sterile or not viable. It is impossible for two species to mate and reproduce when they have various mating seasons throughout the year. cycles of reproduction.
A zygote is a type of eukaryotic cell produced by the fertilization of two gametes. Each gamete's DNA is combined to create the zygote's genome, which holds all of the genetic material.
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pls help. due today. answer ASAP.
will give brailiest to person who includes at least one of each factor in their response.
what environmental and genetic factors affect the growth of a squirrel?
Answers
Answer:
Squirrels cannot live where it gets too hot or too cold. Physical factors such as temperature, availability of water, or mineral nutrients can limit where particular species can live.
Vocabulary Matching
Answers
Ecosystem, specialist species, niche, habitat, nonnative species, generalist species, extinction, Keystone species, indicator species, natural selection
An organism's home is known as its habitat, and its function in its environment is known as its niche. While niche focuses on how the creature effects the environment, habitat focuses on how the environment impacts the organism.
What about species?A group of things that share the same kind and name: kind. A group of related organisms with the capacity to bear viable offspring that falls below the genus level and is designated by a two-part scientific name. A group of plants or animals that may reproduce together and have similar characteristics is referred to as a species.A collection of people with similar traits who can interbreed to create fruitful offspring is how species are frequently defined. Alpaca - Vicugna pacos are two examples. A group of creatures that can naturally reproduce with one another and generate viable progeny is sometimes referred to as a species. However, classifying a species can be challenging and even contentious. The billions of people on the planet now are all members of the same species, Homo sapiens. Human beings differ among themselves, just like other species do, in terms of everything from size and shape to skin tone and eye color. The two-part name that Linnaeus invented is still used today and is currently presented in either Latin or Greek. It was originally used for plants and then later for animals. The first identifies the larger group, known as a genus, to which the plant belongs, while the second refers to the plant itself as a species.Learn more about species here:
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Which indicates what happens to the kinetic energy when the mass of a moving object increases?
A. The kinetic energy does not change
B. The kinetic energy increases by the same factor as the mass increase
C. The kinetic energy increases by the square of the same factor as the mass increase
D. The kinetic energy decreases by the same factor as the mass increase
Answers
Answer:
C. The kinetic energy increases by the square of the same factor as the mass increase
Explanation:
As the object moves faster, potential energy goes down and kinetic energy increases.
what qualitative information can a high-resolution transmission electron microscope (hr-tem) reveal about a material? (check all that apply.)
Answers
A high-resolution transmission electron microscope (HR-TEM) can reveal several qualitative information about a material, including its crystal structure, lattice defects, grain boundaries, chemical composition, and the presence of nanoparticles or nanoscale features.
A high-resolution transmission electron microscope (HR-TEM) is a powerful tool for investigating the structure and properties of materials at the atomic scale. By using a focused electron beam to transmit through a thin specimen, HR-TEM can provide detailed qualitative information about the material under study.
Firstly, HR-TEM can reveal the crystal structure of a material. By analyzing the diffraction patterns produced by the electron beam interacting with the crystal lattice, researchers can determine the arrangement of atoms within the material.
Secondly, HR-TEM can identify lattice defects within a material. These defects include vacancies, dislocations, stacking faults, and other structural imperfections that can affect the material's mechanical, electrical, or optical properties. HR-TEM allows researchers to visualize and characterize these defects at high resolution.
Furthermore, HR-TEM can detect and analyze grain boundaries in polycrystalline materials. Grain boundaries are interfaces between adjacent crystalline grains and can significantly influence the material's properties. HR-TEM enables researchers to examine the structure and properties of grain boundaries, providing insights into the material's behavior.
Additionally, HR-TEM can provide information about the chemical composition of a material. By utilizing energy-dispersive X-ray spectroscopy (EDS) in combination with TEM, researchers can map and identify the elements present in the material, aiding in the understanding of its composition and elemental distribution.
Lastly, HR-TEM is capable of visualizing nanoparticles and nanoscale features within a material. The high-resolution imaging capability of HR-TEM allows for the observation and characterization of nanoscale structures, such as nanoparticles, nanotubes, and nanowires, providing valuable insights into their size, shape, and arrangement.
In summary, a high-resolution transmission electron microscope (HR-TEM) can reveal qualitative information about a material's crystal structure, lattice defects, grain boundaries, chemical composition, and the presence of nanoparticles or nanoscale features. This information is crucial for understanding the material's properties and behavior at the atomic and nanoscale levels.
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In the metabolism lab, we measured oxygen consumption in goldfish in order to learn the affects of different manipulations (i.e. caffeine, nicotine, temperature, and salinity) on metabolic rate. The reason we used goldfish is because
Answers
The use of goldfish in the metabolism lab for measuring oxygen consumption is primarily because goldfish are ectothermic or cold-blooded, which means their body temperature is dependent on the temperature of the surrounding water.
This characteristic makes goldfish ideal for studying the effects of environmental factors, such as temperature and salinity, on their metabolism.
Additionally, goldfish are readily available, relatively easy to handle, and have a simple respiratory system, which makes it easy to measure their oxygen consumption.
Goldfish also have a high metabolic rate compared to other animals of similar size, which makes them ideal for studying the effects of different manipulations, such as caffeine and nicotine, on metabolic rate.
Overall, the use of goldfish in the metabolism lab provides a simple and effective way to study the effects of different environmental and chemical manipulations on metabolic rate, which can have important implications for understanding the physiology of aquatic animals and the effects of environmental stressors on their health and survival.
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What happens to the states oWhat happens to the states of matter as you move down the table?
f matter as you move down the table?
Answers
When matter changes its state, it either loses or absorbs energy
Matter changes from solid to liquid, liquid to solid, solid to gas, gas to solid, gas to liquid e.tc
What is Matter?Matter can be defined as anything that has mass and occupies space
According to the law of conservation of mass, it states that matter can neither be created nor destroyed but changes from one form to another.
So therefore, when matter changes its state, it either loses or absorbs energy
Complete question:
What happens when matter changes its state?
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Which of these is the primary site of protein synthesis?
Group of answer choices
cytoplasm
mitochondria
ribosomes
nucleus
Answers
Answer:
Ribosomes
Explanation:
"Ribosomes are the site of protein synthesis, and they convert the coded information in messenger RNA (mRNA) into an actual protein molecule."(Study.com)
Answer:
ribsomes
Explanation:
convert 172800 second into day
Answers
Answer:
2 days
Explanation:
There are 60 seconds in a minute. There are 60 minutes in an hour. There are 24 hours in a day.
172 800s = 172 800 ÷ 60
= 2880m
There are 2880 minutes in 172 800 seconds.
2880m = 2880 ÷ 60
= 48h
There are 48 hours in 2880 minutes.
48h = 48h ÷ 24
= 2 days
There are 2 days in 48 hours.
the name of the benign tumor that is slow growing but locally aggressive and derived in association with an impacted tooth and dentigerous cyst is termed
Answers
The benign tumor that is slow-growing but locally aggressive and derived in association with an impacted tooth and dentigerous cyst is termed ameloblastoma.
Ameloblastoma is a type of odontogenic tumor that arises from the cells responsible for forming tooth enamel.
It commonly occurs in the jawbones, particularly around the impacted tooth or within a dentigerous cyst, which is a fluid-filled sac that surrounds an unerupted tooth.
Ameloblastomas are known for their slow growth but can exhibit locally aggressive behavior, causing bone destruction and expansion of the affected area.
They are usually benign, meaning they do not spread to other parts of the body, but their aggressive growth pattern can cause significant damage and complications.
Treatment typically involves surgical removal of the tumor and affected tissues, and in some cases, additional treatments such as radiation therapy may be required to ensure complete eradication.
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An investigator wishes to use animals in an experiment that involves category B, C, and D activities performed on the same animal. How should the animal be categorized?A. Categories B, C, and D. B. Category B. C. Category C. D. Category D
Answers
When doing activities that fall under USDA pain categories B, C, or D on the same animal, the animals utilized in the experiment should be placed in USDA category D.
The level of pain that an animal employed in testing and research may experience is categorized using the USDA pain categories. These are the categories:
USDA B: The animal won't experience any type of suffering.
USDA C: The animal may experience sporadic little pain.
USDA D: Excruciating processes that medication will lessen.
USDA E: Excruciating processes that cannot be eased.
According to Category B, the animal won't experience pain. These animals are frequently utilized for breeding, which is a natural procedure that doesn't harm the animals.
In contrast to animals in category E, animals in category D undergo unpleasant or stressful operations and are given anaesthetics and other pharmacological agents to lessen or totally relieve the discomfort.
There is a rigid rule for these categories. Because the experiment will include USDA B, C, and D procedures, the animals must be classified according to the USDA category that will involve the most painful technique.
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When organisms struggle to survive they usually mutate to increase chances of reproduction
Answers
Phenotypes are essentially the physical characteristics that an organism possesses that make it more likely than not that it would thrive in a given environment.
What are the statements are true?The following assertions are accurate:
1. Survival is a race that all species must win.
3. Some species possess traits that enable them to outcompete rivals in their environment.
5. Natural selection is still in action today.
6. Over the course of multiple generations, phenotypes that are present in a species' most successful individuals grow more common.
It should be remembered that creatures compete with one another for existence in the natural world. Some people have superior phenotypes to others.Phenotypes are essentially the physical characteristics that an organism possesses that make it more likely than not that it would thrive in a given environment.The complete question is Check all statements below that are true. All organisms must compete for survival. When organisms struggle to survive, they usually mutate to increase chances of reproduction. Some organisms have phenotypes that make them better competitors than others in their environment. Animals undergo natural selection, but plants and other organisms generally do not. Natural selection continues to occur even today. Phenotypes found in the most successful members of a species become the most prevalent after several generations. A decrease in food availability will increase the variation in a population.
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Which of these events happens during G2 phase in the cell cycle?
A. The cell's DNA is checked for errors in replication.
B. The cell grows in size by adding cytoplasm and cell organelles.
C. All of a cell's chromosomes are copied when DNA replicates.
D. The nucleus of a cell divides into two identical nuclei.
Answers
Answer:
it's B.
Explanation:
The cell is getting ready to split so it has to get big enough to split well.
Answer:all of a cell's chromosomes are copied when DNA replicates
Explanation:)
Which term names the threadlike body that makes up many fungi?
Responses
flagella
mycelia
cilia
spore bodies
Answers
Answer:
MYCELIUM/MYCELIA
Explanation:
thats just the correct answer, no doubt, no scam, i searched it to make sure. MARK AS BRAINLIEST PLSSSS
glowfish are not naturally occurring. they are a product of and contain a? a. selective breeding, jellyfish protein b. genetic engineering, goat gene c. selective breeding, glow gene d. genetic engineering, jellyfish gene
Answers
"Glowfish" do not occur naturally. They are products of genetic engineering and contain the jellyfish gene.
What is Genetic engineering and its examples?Genetic engineering (also called genetic modification) is the process of altering the DNA composition of living organisms using laboratory-based techniques. This involves changing a single base pair (A-T or C-G), deleting a region of DNA, or adding a new segment of DNA. some examples of genetic engineering includes: mouse ear cress, Western corn rootworm, European corn borer, banana, Abiotic stress, an onion that doesn't cry, golden rice, purple tomato, Carrots prevent osteoporosis.What is genetic engineering used for?Gene therapy attempts to modify genes to correct genetic defects and prevent or treat inherited diseases. The purpose of genetic engineering is to modify genes to improve the abilities of living things beyond normal.
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which cell parts are responsible for moving proteins?
Answers
What is immigration?
A. When animals are bom in an ecosystem
B. When animals die in an ecosystem
C. When animals move into an ecosystem
D. When animals leave an ecosystem
Answers
You get 4 puppies for your birthday and they all have spotted coats. You decide to call them spot 1, spot 2, spot 3, and spot 4. Because you leanred inheritance in biology class you want to find out the genotype of your puppy's parents( S=spot s= solid). What are the most likely genotypes of spot parents?
ss X ss
Ss X ss
Ss X Ss
SS X ss
Answers
To determine the most likely genotypes of Spot's parents, we need to consider the inheritance patterns of coat spotting in dogs.
Coat spotting is typically controlled by a single gene, where the "S" allele represents the spotting allele, and the "s" allele represents the solid coat allele.
Let's evaluate the potential genotypes of Spot's parents based on the given scenarios:
ss X ss:
If both parents have a solid coat and are homozygous for the recessive "s" allele, their genotypes would be ss. In this case, it is highly unlikely that all the puppies would have spotted coats since both parents lack the spotting allele.
Ss X ss:
If one parent is heterozygous with one spotting allele (Ss) and the other parent has a solid coat (ss), the possible genotypes of the parents would be Ss and ss, respectively. In this scenario, the offspring have a 50% chance of inheriting the spotting allele (S) from the heterozygous parent and potentially have a spotted coat.
Ss X Ss:
If both parents are heterozygous for the spotting allele (Ss), the possible genotypes of the parents would be Ss and Ss. In this case, there is a higher likelihood of the puppies inheriting the spotting allele and having spotted coats.
SS X ss:
If one parent has two spotting alleles (SS) and the other parent has a solid coat (ss), the possible genotypes of the parents would be SS and ss. In this scenario, all the puppies would inherit one spotting allele (S) from the homozygous parent, and they are likely to have spotted coats.
Based on these evaluations, the most likely genotypes of Spot's parents to produce all puppies with spotted coats would be:
Option 4: SS X ss, where one parent is homozygous for the spotting allele and the other parent has a solid coat.
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