Positive control is Ginger root (should indicate the presence of amylase)
Negative control is Cellulose (should not contain amylase)
Here the presence of amylase is tested by testing the presence of starch using an IKI solution. Saliva is included in this experiment because it contains the enzyme amylase.
. In 4-6 sentences describe why you think a business would synthesize and sell DNA, who would their customers be, and a list of possible uses for the DNA they are creating and selling
A business synthesizes and sells DNA to support research institutions, pharmaceutical companies, and agricultural firms. Uses include genetic research, personalized medicine, and development of GMOs.
A business would synthesize and sell DNA to meet the increasing demand in various biotechnological applications. Their customers might include research institutions, pharmaceutical companies, and agricultural firms. Possible uses for synthesized DNA include research in genetic diseases, personalized medicine, development of genetically modified organisms (GMOs), and the creation of DNA-based data storage solutions. Synthesizing DNA is crucial for advancing our understanding of genetics and for the innovation of new treatments and technologies.Which haploid stage of plasmodium did you observe in the micrographs? where in the human host is this stage found?
What organism is most affected by the accumulation of waste?
List four acceptable sites for applying an antianginal paste
The antianginal paste can be applied on different sites on the body such as the chest, the back, the shoulders and the skin where the pain sensations can be felt. It is used to reduce the chest pain.
What are Antianginal paste?Antianginal drugs are used to effectively relieve or prevent the acute ischemic pains by increasing the myocardial oxygen supply in the heart, and decreasing the myocardial oxygen demand, or by doing both of these actions.
Three drug classes which are typically used as Antianginal paste in the treatment and prevention of angina include organic nitrates, calcium channel blockers and beta-blockers.
Nitroglycerin ointment belongs to the class of organic nitrates prevents angina by relaxing the blood vessels of the heart so that the heart does not need to work much hard and needs lesser oxygen to work efficiently.
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The __________ is the innermost region of the brain. A. forebrain B. midbrain C. hindbrain D. brainstem
The correct answer is option D, that is, brainstem.
The innermost region of the brain is known as the brainstem, which continues with the spinal cord. It is the part of the brain, which associates the cerebrum with the spinal cord. It comprises the medulla oblongata, pons, and the midbrain. The sensory and the motor neurons pass via the brainstem permitting for the transmission of signals between the spinal cord and the brain.
A patient exhibits symptoms including hematuria with red blood cell casts and proteinuria exceeding 3 to 5 g/day, with albumin as the major protein. these data suggest the presence of which disorder?
A man is stricken with a type of hemophilia that is an X-linked recessive genetic disorder. His mother is a carrier of the disease, but his father is not a carrier and is not affected by the disease. The man has four daughters. What percentage of his daughters will MOST LIKELY have the gene for hemophilia?
0, 10, 50, or 100%
Answer:
50%
Explanation:
If there is a hypertonic solution in the large intestine, what is the consequence?
What reaction is being catalyzed in this experiment? 2. what is the name of the enzyme in this experiment? what is the substrate?
Catabolism is the reaction that is being catalyzed in this experiment. The enzyme in this experiment is catalase. while the substrate is 3% hydrogen peroxide.
Further details
Enzyme
They are made up of proteins and act as catalyst inside living cells. They speed up the rate of reaction without being used permanently and without any change in their structure. A reaction is a procedure that changes over at least one substance (known as reagents, reactants, or substrates) to another kind of substance (the item). Benefit of using an enzyme is that it can be used repeatedly in the same reaction.
Substrate
It is a molecule followed by an enzyme. A substrate is stacked into the dynamic site of the enzyme, or the spot that enables weak bonds between the two particles.
Catabolism
It is the set of metabolic pathways in which larger molecules are breakdown into smaller ones and energy releases during these reactions which can be used to perform various functions. For example, larger molecules like polysaccharides, lipids, nucleic acids, and proteins are break down into smaller units as monosaccharides, fatty acids, nucleotides, and amino acids.
Catalase
Catalase is a typical enzyme found in almost all living beings presented to oxygen, (for example, microbes, plants, and living animals). It catalyzes the decay of hydrogen peroxide to oxygen and water. It is a significant enzyme shielding the cell from oxidative harm by responsive oxygen species.
Answer details
Subject: Biology
Level: College
Keywords
Enzyme Substrate Catabolism CatalaseLearn more to evaluate
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If the environment change suddenly for example because of global warming, do you think generalist or specialist species would be better able to adapt and avoid going extinct? Why?
Generalist species would be better able to adapt and avoid extinction compared to specialist species in the case of sudden environmental changes like global warming.
Explanation:In the case of sudden environmental changes like global warming, generalist species would be better able to adapt and avoid extinction compared to specialist species. Generalist species are able to tolerate a wide range of environmental conditions and utilize different resources, which provides them with greater flexibility in changing environments. Specialist species, on the other hand, are highly adapted to specific ecological niches and rely on specific resources, making them more vulnerable to changes in their environment.
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Which of these choices is considered an environmental cost? A. Product price B. Net profit C. Processing expenses D. Water contamination
Answer: D. Water contamination
The water contamination can be considered as the relevant environmental cost as water is the main abiotic factor utilized by all the living organisms for their growth and metabolism, a water body can be used by a number of aquatic living organisms as a habitat, and water cycle is important for the maintaining the balance in the weather conditions and keeping the regulation of quantity of water in all natural water reservoirs.
Water contamination will deteriorate the quality of water it will make water unfit for the consumption of the living organisms, unsuitable as a habitat and will also disturb the water cycle.
Answer:
Water Contamination
&
Resource depletion
Explanation:
The phoshorous cycle differs from the carbon cycle in that: none of the above the atmosphere does not contribute to part of the phosphorus cycle plants play a role in the carbon cycle, but have no role in the phosphorus cycle there is little or no human impact on the phosphorus cycle phosphorus is not a critical component of living organisms
The phosphorus cycle differs from the carbon cycle as it does not involve the atmosphere, instead it is often the limiting nutrient in ecosystems and cycles through geologic processes. Human activities affect the phosphorus cycle through the use of fertilizers, and phosphorus is critical for organisms, being part of nucleic acids and bones.
Explanation:The phosphorus cycle differs from the carbon cycle notably in that the atmosphere does not contribute significantly to the phosphorus cycle. While carbon cycles quickly between organisms and the environment through processes such as cellular respiration and photosynthesis, phosphorus is often the limiting nutrient in ecosystems and does not have a gaseous form that is readily available to organisms. Instead, phosphorus typically cycles through geologic processes like weathering and erosion, water drainage, and the movement of continental plates. In aquatic systems, particularly freshwater ecosystems, phosphorus is a critical component for growth. Plants do indeed play a role in the phosphorus cycle, aiding in the uptake of phosphorus from the soil with the help of mycorrhizal fungi.
It is not true that there is little or no human impact on the phosphorus cycle; excessive use of phosphorus in fertilizers can lead to nutrient overload and eutrophication in water bodies. Lastly, phosphorus is absolutely a critical component of living organisms, comprising nucleic acids, phospholipids, and as calcium phosphate, it is a major element in bones.
How many phosphoester (phosphate ester) and phosphoanhydride bonds are in adenosine monophosphate (amp) and adenosine diphosphate (adp)?
Answer: The correct answer is -
The number of phosphoester bond in-
AMP (adenosine monophosphate) = 1
ADP ( adenosine diphosphate) = 1
The number of phosphoanhydride bonds in -
AMP = 0
ADP = 1
Phosphoester bond is formed when the alpha phosphate (that is the first phosphate) present in ADP and AMP links to the 5' carbon of ribose sugar through oxygen.
On the other hand, Phosphoanhydride bond is formed between two phosphate. As ADP has two phosphate, thus it contains one phosphoanhydride bond and the first phosphate is linked to ribose via one phosphoester bond.
AMP has single phosphate, so no phosphoanhydride bond is there, only one phosphoester bond is present in it.
What did darwin call the "preservation of favorable variations and the elimination of injurious variations"?
Why did the reaction rate for enzyme j drop when the temperature exceeded 50 c?
what are the properties of minerals
In pea plants tall is dominant and short is recessive. a heterozygous tall plant is crossed with a short plant. what is the expected genotype ratio?
China is experiencing excessive air pollution due to the growing population's increased use of fossil fuels. Which of the following changes is a consequence of air pollution?
A. Improved plant growth B. Decreased amount of acid rain
C. Decreased amount of sunlight D. Fewer cases of asthma
Option B Decreased amount of Sunlight is the correct answer.
China is one one the major consumer of fossil fuels which lead to the excessive air pollution. It resulted into many health related issues (large cases of asthma) and decreased amount of sunlight in China. Decreased amount of sunlight is mainly caused by aerosol particles which absorb solar energy and reflect sunlight back into space.
Someone who has vision in only one eye can no longer use _____ as a cue for the perception of depth and distance.
what is the process that a plant cell does to get energy from the sun?
Quality grades indicate how tender and flavorful a cut of meat will be.
Which of the findings listed below support the dopamine hypothesis? amphetamines decrease dopamine and produce the positive symptoms of schizophrenia. amphetamine-induced psychosis is less likely in persons with a genetic predisposition for schizophrenia. drugs that block the effects of dopamine in the brain reduce or eliminate symptoms of schizophrenia. amphetamines decrease dopamine and can produce the negative symptoms of schizophrenia?
The dopamine hypothesis of schizophrenia is a structure, accrediting indications of schizophrenia to a distressed and agitated dopaminergic indicator transduction. The growth of enriched antipsychotic medicines was directed by a hunt for dopamine blockers founded on the notion that schizophrenia is, partly, a hyperdopaminergic state. So from the choices given above, it can be concluded that, drugs that block the effects of dopamine in the brain reduce or eliminate symptoms of schizophrenia.
Final answer:
The dopamine hypothesis of schizophrenia is supported by evidence that antipsychotics, which block dopamine, alleviate symptoms, and that amphetamines, which increase dopamine, can induce psychotic symptoms. Amphetamines do not decrease dopamine levels but rather increase them.
Explanation:
The dopamine hypothesis of schizophrenia suggests that symptoms of the disease are related to the dysfunction of dopamine neurotransmission in the brain. Two of the findings that support the dopamine hypothesis are that drugs which block dopamine effects reduce symptoms of schizophrenia and that amphetamines, which increase dopamine release and block its reuptake, can induce psychosis resembling the positive symptoms of schizophrenia. Amphetamines do not decrease dopamine but rather increase its levels, which can produce symptoms similar to the positive symptoms observed in schizophrenia, not the negative ones.
Antipsychotic medications, known as dopamine antagonists, help treat schizophrenia by decreasing dopamine neurotransmission. This is accomplished by the drugs binding to dopamine receptors, but without activating them, effectively blocking the neurotransmitter's effects and reducing the symptoms of the disease. On the contrary, amphetamine-induced psychosis, which is more common when there is an increase in dopamine activity, mimics the positive symptoms of schizophrenia such as hallucinations and delusions.
Lactic acid fermentation occurs in (2 points)
any environment where oxygen is present
yeast cells
the mitochondria of plant cells
muscle cells
Answer:muscle cells
Explanation: when you're lifting weights your body produces lactic acids
Describe in which ways are the new cells (daughter cells) similar to parent cells
Answer: Through Mitosis.
Explanation:
Mitosis is a type of cell division in which a single parent divide or replicate to produce two daughter cells that are identical to the parent.
In mitosis, the daughter cells contain the same number and type of chromosomes as the parent.
The parent transmit the same number of chromosomes or type to the daughter cells which make them to be similar.
_________ of animals reduces the level of circulating reproductive hormones leading to increased longevity, typically due to reduced cancer mortality.
What is the primary evidence that dinosaurs existed in the past?
Answer:
your answer is Bones
Explanation:
the answer is bones beacause scientists found bones under ground and they have dug up the bones and shaped them into animals we call DINOSUARS!!!! Thats how we know dinosuars existed.
Which is not a communicable disease? select one:
a. hiv/aids
b. tuberculosis
c. influenza
d. cancer?
The subgroup that comes after genus is __________
A. Kingdom
B.order
C. Family
D.Species
Donald has been diagnosed with hyperlipidemia. on the basis of his lipid profile, atorvastatin is prescribed. rhabdomyolysis is a rare but serious adverse response to this drug. donald should be told to:
A child has sickle-cell disease ( ss ) but neither parent is ill. What must be true of her parents’ genotypes?
Answer:
Her parents are heterozygous carrier for the disease and have genotype "Ss"
Explanation:
Sickle cell disease is a recessive disorder and is expressed in homozygous recessive genotype only.
Since the child is affected with sickle cell anemia, her genotype is "ss".
To get "ss" genotype, both her parents should have at least one copy of "s" allele. Since both the parents are not affected by the disease, they are heterozygous for the allele. Both the parents have genotype "Ss" and are serving as carriers for the disease.