Answer:
gene mutation is a permanent alteration in the DNA sequence that makes up a gene, such that the sequence differs from what is found in most people. Mutations range in size; they can affect anywhere from a single DNA building block (base pair) to a large segment of a chromosome that includes multiple genes
Explanation:
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Answer:
Gene mutation is a genetic change in base sequences of DNA.
What happens to molecules of a substance during convection
Answer:
Convection occurs when particles with a lot of heat energy in a liquid or gas move and take the place of particles with less heat energy. Heat energy is transferred from hot places to cooler places by convection. Liquids and gases expand when they are heated.
Explanation:
Which is an abiotic factor that can be found in a rain forest ecosystem?
A. Air
B. Algae
C. Flowers
D. Animals
Answer:
A. Air
Explanation:
Abiotic factors are things that are not living.
Air can be found in a rain forest ecosystem, as it can be found in all ecosystems, but it is not living.
On the other hand, algae, flowers, and animals are biotic instead of abiotic because they are living things.
So, A is the correct answer.
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Going from 300 to 2,829 species represents what percent (%) increase in species diversity? (Show your work.)
Answer:
843%
Explanation:
2,829-300= 2,529/300=8.43(100)= 843% Increase in species diversity after completing the survey.
The percent (%) increase in species diversity is 843%.
HOW TO CALCULATE PERCENTAGE INCREASE:
The percentage increase can be calculated by dividing the increment by the original number, then multiplying by 100.Increase = new value - original value
In this case, the number of species went from from 300 to 2,829 species. Hence, the increase is calculated as follows:2829 - 300
= 2529.
The percent increase is therefore;
= 2529/300 × 100
= 8.43 × 100
= 843%.
Therefore, the percent (%) increase in species diversity is 843%.
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topp ms, duell j, zugmaier g, attal m, moreau p, langer c, et al. anti-b-cell maturation antigen bite molecule amg 420 induces responses in multiple myeloma.
Patients with refractory multiple myeloma were assessed with anti-B-cell maturation antigen BiTE molecule.
Under the methods, 10 cycles of AMG 420 were given to the patients which were 4-week infusions, there was progression after more than 2 lines of prior therapy and they had no extramedullary disease, there was no Minimal residual disease response. The outcomes of the methods were that the median age of the patients was 65 years and the duration of median disease was 5.2 years.Few of the patients were in treatment, and there were no non-treatment-related deaths from adenovirus-related hepatitis or aspergillosis, Serious AEs included infections and polyneuropathy. In this strategy, 800 μg/d was supposed to not be tolerated as one of the instances of grade 3 cytokine release syndrome and grade 3 polyneuropathy. few patients experienced complete responses of MRD-negative, and one had a partial response, some of the patients showed responses during the first cycle and the responses lasted for more than one year. The conclusion of the study was that out of AMG 420 patients with refractory multiple myeloma, the response rate was 70% where 50% MRD-negative complete responses at 400 μg/d.
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3. Many pea plants have rounded pods, but some have flat pods because they are homozygous for a recessive
allele (d). A plant that is homozygous for the dominant allele and another plant that has flat pods are crossed. Two of
the offspring are then taken and they are crossed to produce more offspring (called F2 offspring). There are 200 F2
offspring plants. Predict the number that will have flat pods. Show all your working.
The proportion of offspring homozygous recessive for at least two of the three traits is 6 out of 16 total offspring. Then it becomes 3/8.
The genotype of each plant contributes to its phenotype. In this case, the phenotype is the appearance of that flower. A given genotype is said to be homozygous if it has two identical alleles, and heterozygous if the two alleles are different. The process of genotyping is called genotyping.
Wood Since there are offspring that are homozygous recessive for both traits, each parent must have at least one recessive allele for each trait. Thus, the white disc parent has the WwDd genotype, and the white sphere parent has the Wwdd genotype. A cross between a long-stemmed pea and a short-stemmed pea is an example of a monohybrid cross. Crossing the two produces heterozygous offspring.
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There will be 50 offsprings that will have flat pods.
As shown in the image below,
F2 offspring are total 4 in number with 3round pod plants and 1 flat pod plant.
As given in the question there are 200 F2 offspring,
So, number of flat pods will be =( 1/4) x 200
=50
In monohybrid cross, both the alleles ( R and r) are expressed in the F2 generation without any blending. Thus, the law of segregation is based on the fact that each gamete contain only one allele.
here,A monohybrid cross results in a phenotypic ratio of 3:1 (dominant to recessive), and a genotypic ratio of 1:2:1 (homozygous dominant to heterozygous to homozygous recessive).
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The main function of chlorophyll is to _____.
a split carbon dioxide
b trap hydrogen
c absorb light
d reflect light
Answer:
B
Explanation:
Name a plant cell which does not have a nucleus?
Based on their locations, in which city would you expect the biggest change
between weather in the summer and weather in the winter?"
Winnipeg
Vancouver
San Diego
Mexico City
Organisms that reproduce sexually have a greater advantage over asexually reproducing organisms because
sexual reproduction results in more genetic variation which may help the organisms have greater reproductive success in a changing environment.
sexual reproduction results in less genetic variation which may help the organisms have less reproductive success in a changing environment.
sexual reproduction results in more genetic variation which may help the organisms have less reproductive success in a changing environment.
sexual reproduction results in less genetic variation which may help the organisms have greater reproductive success in a changing environment.
Answer:
A) Sexual reproduction results in more genetic variation which may help the organisms have a greater reproductive success in a changing environment.
Explanation:
I'm 100%
Hope this helps ya.
which two types of structures make up the earthworm's heart
Answer:
organ systems and specialized cells
Explanation:
Answer:
The correct answer is specialized cells and tissues
Explanation:
I just got it correct on my quiz. Good luck!
Fermentation is a chemical reaction that takes place in the cytoplasm and occurs when oxygen is Choose... . Byproducts of fermentation may include Choose... or Choose... . Fermentation yields Choose... ATP than the electron transport chain.
Answer:
Fermentation is a chemical reaction that takes place in the cytoplasm and occurs when oxygen is low or absent. Byproducts of fermentation may include lactic acid or ethanol. Fermentation yields less ATP than the electron transport chain.
Explanation:
Fermentation is a chemical reaction that occurs under anaerobic or low-oxygen condition whereby the NADH produced during glycolysis is oxidized to NAD⁺ with the production of lactic acid as well as other products such as ethanol.
Since oxygen is lacking, pyruvate and NADH produced in glycolysis cannot be oxidized. In order to produce energy in the form of ATP for the cells and tissues,the NAD⁺ is regenerated from NADH by the reduction of pyruvate to lactic acid by the enzyme lactate dehydrogenase. In some other organisms such as yeast and microorganisms, pyruvate is converted to ethanol and carbon dioxide.
The net production of ATP in fermentation process is 2 molecules of ATp much lesser than that produced in aerobic respiration.
Help please
All life stems from a common ancestor. Which evidence best supports this statement?
OA anatomical structures
OB. fossilized algae and plants
OC.DNA from living organisms
OD presence of bone fragments in rock layers
Many processes occur in the digestive system which process is the best classified as a chemical change
Select one
Absorption of water
Teeth grinding candy
Peristalsis in the esophagus
Enzymes in the saliva
Answer:D good luck
Explanation:
Which process can introduce a new phenotype into a population?
O DNA mutation
change in climate
reproductive selection
emigration of individuals
Answer:
Natural selection (Reproductive selection.)
Explanation:
This can change an alle over time and introduce new phenotypes into a population.
can someone help with this i have 10 minutes
Answer:
the answer is disaccharide
Explanation:
this is the answer
Answer:
The answer is protein the diagram looks like the one below
Explanation:
How is cellular respiration is similar in both plants and animals?
Answer:
The cells in both plants and animals perform respiration. Carbon dioxide is also released into the atmosphere when fuels are burned, such as in automobiles or factories. Plants take in carbon dioxide and release oxygen through their leaves. Plants use a process called photosynthesis to make their own food.
Explanation:
Cellular respiration is similar in both plants and animals in that it converts glucose and oxygen into energy in the form of ATP, produces carbon dioxide and water as byproducts, and occurs in the mitochondria.
What is cellular respiration?Cellular respiration is a metabolic process that occurs in both plants and animals to convert the energy stored in food molecules into a form that cells can use, called adenosine triphosphate (ATP). In both plants and animals, cellular respiration occurs in the mitochondria and involves a series of chemical reactions, including glycolysis, the citric acid cycle, and the electron transport chain.
During these reactions, glucose and oxygen are consumed, and carbon dioxide and water are produced as waste products. The energy released in these reactions is used to generate ATP, which provides energy for the cell's activities. Additionally, both plants and animals use a similar process, called photosynthesis, to convert light energy into chemical energy.
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Helpppppppppp plssssss
Answer:1 C 2. B 3.A 4.B
its A
Explanation:
Answer:
1. B
2. A
3. D
4. C.
hope these helps
Explanation:
choose all of the issues that have contributed to polluted drinking water in africa. a population increasepopulation increase b an abundance of water resourcesan abundance of water resources c floodingflooding d the use of natural fertilizersthe use of natural fertilizers e industrial waste
The correct answer is (A) increase in the population has resulted in polluted drinking water in africa.
Germs and chemicals can enter drinking water at the source or in the distribution system after it has been treated. Harmful germs and chemicals can enter the water from a variety of sources, including fertilisers, pesticides, and other chemicals applied to land near the water. Agriculture and industry Organic solvents, petroleum products, and heavy metals can migrate into aquifers from disposal sites or storage facilities. Both human and animal waste Human waste from sewage and septic systems, as well as waste from animal feedlots and wildlife, can introduce harmful microbes into drinking water sources.
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pls help i’m between A and D I NEED THIS ASAP i’ll give branliest !!!!!!!!
Answer:
You're correct.
Explanation:
The answer is solar energy - chemical energy. So it's letter A.
Brainliest? Thanks!
Answer:
light is converted to chemical energy
What are the advantages of differential staining procedures over the simple staining technique.
Answer:
The advantages of differential staining procedures over the simple staining technique are:
Explanation:
Different species of bacteria may be identified from one another by having different stains applied to them because of differential staining. Various stains used on bacteria will highlight their unique characteristics since different cells don't really stain in exactly the same manner. A gram stain is an illustration of a differential stain. A stain known as crystal violet is used in gram staining, which makes cells purple and may be used to separate gram-positive and gram-negative cell walls because it can be removed from the cell walls of gram-negative but remains on the gram-positive cell walls. While one cationic dye is applied by a simple stain, giving the clear cells some color so we can see it properly. But it's not always possible to distinguish various kinds of organisms. We can only notice their presence.
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in need a short answer about cancer and the pahse
Explanation: okay so cells have this mechanism to kill themselves if a bad mutation happens but when that breaks and the cell can longer do that it is considered a cancer cell the cell will continue to mutated and multiply if mutated enough it will be able to hide itself with regular cells, from the immune system after a long time it will get veins to give all the nutrition to the cancer cells making it grow more if lucky it will multiply and mutated but this mutations makes it think its a regular cell creating a cancer tumor
now cancer is beating cancer. eventually it will take over but you will have god cancer
Is there more hearsay
or evidence when it comes to the existence of Big Foot? Explain your answer?
Answer:
it's more hearsay
Explanation:
evidence requires visual pictures, statistics, and numbers. Hearsay is basically based on what people think. The brain can make a dark figure look like a Bigfoot, but in reality it's just a misfigured tree branch. So hearsay is not a good source of information as where good heart evidence is
please help :( I’m really stuck
Answer:
B? Mitosis?
Explanation:
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The boll weevil reduced cotton crops by up to 70 percent when the infestation was at its worst.
A.) true
B.) false
Answer:
A. true
Explanation:
amino acid is to protein as __ is to lipid
Answer:
fatty acid is to lipids
It is thought that all the genes that belong to an organism are found in the nucleus of each cell no matter what the cell type; therefore, –
Answer:
A
Explanation:
cell differencatiation is determined by the expression of only specific genes
american society of hematology 2018 guidelines for management of venous thromboembolism: optimal management of anticoagulation therapy
Venous thromboembolism (VTE) is the third most common vascular disease. Medical inpatients, long-term care residents, persons with minor injuries, and long-distance travelers are at increased risk.
Strong recommendations included refraining from using direct oral anticoagulants while hospitalised, providing pharmacological VTE prophylaxis in acutely or critically ill inpatients at acceptable bleeding risk, and not extending pharmacological prophylaxis after hospital discharge.
Mechanical prophylaxis was also strongly advised when bleeding risk was unacceptable. Conditional suggestions included refraining from routinely administering VTE prophylaxis to long-term care patients or outpatients with negligible VTE risk factors. Only if long-distance travellers are at a high risk for VTE, the panel conditionally approved the use of graded compression stockings or low-molecular-weight heparin.
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Why are the rainfall amounts in Medford and Lakeview similar?
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worksheet: the effect of landforms on weather // predicting weather explore 4
The amount of rainfall in Medford and Lakeview are similar due to the presence of similar environmental conditions, elevation and geography.
Factors affecting rainfallThe three factors that might influence the occurrence of rainfall or precipitation on a specific region are its latitude, the distribution of air pressure systems and global winds, and the existence of a mountain barrier. The latitude of both Medford and Lakeview are similar so that's why they experience similar rainfall.
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Who established the first forensics laboratory and is known as the father of forensics?.
Edmond Locard founded the first police crime laboratory in 1910 in Lyon, France. It is impossible for criminals to flee a crime scene without leaving behind traces of evidence that can be used to identify them, according to Locard's "exchange principle."
This concept served as the foundation for the forensic sciences, a body of methods for collecting and analyzing physical evidence from crime scenes. The "Sherlock Holmes of France," French criminologist Edmond Locard, who founded forensic science, lived from 13 December 1877 to 4 May 1966. Every encounter leaves a trace, according to his formulation of the fundamental tenet of forensic science.In the field of research that examines fingerprints, and dactylography, Locard made significant contributions that are well known.Although Edmond Locard passed away in 1966, his exchange principle has had a significant impact on forensic science and is still widely cited today.Learn more about forensic science here:
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Meiosis is a type of cell division that has 2 rounds of division that creates 4 diploid somatic cells that are genetically identical to the parent cell.
Answer:
Meiosis is a type of cell division that reduces the number of chromosomes in the parent cell by half and produces four gamete cells. This process is required to produce egg and sperm cells for sexual reproduction.
Explanation:
there's a better explanation, but I don't know what your question is