Answer:
Electron transport inhibitors: Cyanide, Rotenone
Uncoupling agents: trifluorocarbonylcyanide phenylhydrazone (FCCP)(FCCP)
ATP synthase inhibitors: Oligomycin
Transport inhibitors: Bongkrekic acid
Explanation:
Electron transport inhibitors: Cyanide, Rotenone
Cytochrome oxidase also known as complex IV in the electron transport chain, carries electrons from cytochrome c to oxygen. It is a large enzyme having 13 subunits. Subunit 1 contains two heme groups , a and a3. Electrons are tranferred from heme a to oxygen bound to heme a3. The reaction of cyanide with heme a3 blocks this process of eleron transport
.Rotenone blocks electron transfer at NADH dehydrogenase (NAD−Q(NAD−Q oxidoreductase) by preventing electron transfer from Fe-S center to ubiquinone.
Uncoupling agents: trifluorocarbonylcyanide phenylhydrazone (FCCP)(FCCP)
The transfer of electrons from NADH through the respiratory chain to molecularoxygen is coupled to proton pumping from the inner mitochondrial matrix to the intermembrane space. This generates a proton motive force which is utilized in ATP synthesis. Trifluorocarbonylcyanide phenylhydrazone (FCCP)(FCCP) increases membrane proton permeability, causing protons to leak back into the mitochondrial matrix, thereby uncoupling the processs of ATP synthesis and proton flux.
ATP synthase inhibitors: Oligomycin
ATP synthase is the enzyme rensponsible for ATP synthesis. It has two functional domains,: F₁ and F₀. Oligomycin binds to F₀ and blocks the proton channel preventing rotation of the F₁ subuni, thus, preventing ATP synthesis from ADP.
Transport inhibitors: Bongkrekic acid
Adenine nucleotide translocase is a transport protein that transports free ADP from the cytoplasm into the mitochondrial matrix, while ATP produced from oxidative phosphorylation is transported from the mitochondrial matrix to the cytoplasm o the cell.
Bongkrekic acid inhibits Adenine nucleotide translocase, thus preventing ATP from leaving the mitochondria and starving cells of needed energy.
Why do you find glucose in the filtrate but not formed elements of the blood (erythrocytes, leukocytes, and
platelets)?
Answer:
Formed elements of the blood are too large to fit through the filtration slits of the filtration membrane. ... Nephron tubules cannot reabsorb large proteins and cells that enter the filtrate.
--- is the frame work of the
body of an organism.
(a)flesh (b)tongue (C)skeleton
(d)eye
Answer: C :Skeleton
Explanation: The skeleton is the frame work of the body of an organism. Among other functions the skeleton gives the body shape, support, rigidity and protect the body's delicate organs.
What do humans need in order to survive
Answer:
They need the basic and most important thing in life which is food shelter and clothing. Thanks. Hope it helps.
Explain the link between climate change and population growth
Answer:
when there are changes in climatic condition for example if the sun becomes to harsh ,unbearable and unfavorable this might cause certain population to migrate from their habitat to a more suiting one
. Which of the following is a function performed by the kidneys?
Match the words in the left column to the appropriate blanks in the sentences on the right. Make certain you have filled every blank with a term before clicking Submit.
Nairobi ______ is the capital of Norway.
Buenos The capital of Canada is______
Aires ______is the capital of Indonesia.
Canberra ______is the capital of Australia.
Ottawa The capital of Kenya is________
Jakarta The capital of Argentina is______
Answer:
Oslo is the capital of Norway.
The capital of Canada is Ottawa.
Jakarta is the capital of Indonesia.
Canberra is the capital of Australia.
The capital of Kenya is Nairobi.
The capital of Argentina is Buenos Aires.
Explanation:
Oslo is the capital of Norway.
Being the biggest city of Norway, Oslo was made the capital of the country. It is also the most populous city in the country and is the main governmental and economical center of the nation.
The capital of Canada is Ottawa.
Chosen because of its location, the city of Ottawa was chosen by Queen Victoria to be the capital of Canada. It is the central point of access between the cities of Montreal and Toronto, and despite it's smaller status as a city, it was chosen as the capital due to its prominence in the location.
Jakarta is the capital of Indonesia.
Jakarta, located on the island of Java, is the capital of Indonesia. Formerly known as Batavia, this city was the official Dutch settlement during the colonial times. Now, it is presently the capital of the nation.
Canberra is the capital of Australia.
Despite Australia having numerous capital cities according to the boundary or seat of government it has, the city of Canberra is more regarded as the capital of the island nation. It is the largest inland city of the country and has numerous important government offices in it.
The capital of Kenya is Nairobi.
The biggest city in the Kenyan nation, the city of Nairobi is the capital of Kenya. The Nairobi River flows through the city, from which the Maasai name of the city Enkare Nairobi is attributed.
The capital of Argentina is Buenos Aires.
Buenos Aires is the capital of Argentina. It is also the largest city in the Latin nation and is home to numerous multi-nationals from various ethnic groups.
A tall sheep is crossed with a short sheep, and the progeny are all intermediate in size between
the two parental sheep. This could be an example of?
Answer:
Incomplete dorminance.
Explanation:
Incomplete dorminance occurs when two heterozygous alleles are expressed together which is as a result of dorminant alleles not completely masking the recessive alleles and the two alleles blend together and are expressed phenotypically.
The above question is incomplete dorminance because the allele for tallness in the sheep does not completely mask the allele for shortness and these two alleles blend together to produce intermediate progeny that are expressed phenotypically.
Look at the structure in the picture below What function does the structure have?
Answer:
The structure in the picture shows arms of an octopus.
An octopus has six or eight arms and perform several functions such as:
Octopus arms are helpful for walking in the ocean or water surface.Each arm has suc.kers that help to trap prey and defending them from attackers.Suc.kers on each ars help it to taste the food and even crack the hard shells of creatures in water.
Answer:
to move around
Explanation:
What is one reason why we study properties of minerals?
SCIENCE
Answer:
To identify minerals.
Explanation:
That way, we can know which minerals react to which tests.
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A negative control is a sample that you know will give you a negative result. You are testing for the presence of proteins, reducing sugars, starch, and lipids in various foods. What would be the best negative control for this experiment
Answer:
Starch and water will be the best negative control
Explanation:
Negative control sample is a sample that will not give change in an experiment.
Starch and water will be the best negative control. This is because, starch is broken down by HCl to monosaccharides in the Benedict test which is the test for reducing sugar
Distilled water remain a negative control because it remain blue which means it does not reduce sugar with starch solution.
Water plus us a negative control for Buiret test (protein) and Benedict(reducing sugar) because it does not indicate the presence of protein and reducing sugar.
What is function of
Bile
Answer:
bile from liver helps in the digestion of lipids through emulsification i.e. by keeping the lipids droplets separate from one another.
bile has no enzymes but contains but contains bile salts for the emulsification of lipids. It helps the lipid-digesting enzymes to attack on lipids
The inheritance of the petite phenotype in Saccharomyces cerevisiae is complicated by an interaction of mitochondrial and nuclear genes. Which of the following is a false statement about petites in S. cerevisiae?
A) Segregational petites are characterized by mutations in the nuclear genome.
B) Suppressive petites are characterized by mitochondria lacking most of its DNA.
C) Neutral petites, when crossed to wild type, yield wild-type mitochondrial function.
D) The three categories of petites are segregational, neutral, and suppressive.
E) Both nuclear and cytoplasmic (mitochondrial) genes contribute to the petite phenotype in some cases.
Answer:
Option B
Explanation:
The three categories of petites are segregational, neutral, and suppressive and both nuclear and cytoplasmic (mitochondrial) genes contribute to the petite phenotype in some cases. Suppressive petites are characterized by perfoming crosses between petite and wild-type and discovering that all offspring are petite, this exhibit a "dominant" behavior which suppresses wild-type mitochondrial function and not a lack of mitochondrial function.
Which statement best describes the phases of the Moon?
•During the waxing and waning phases of the Moon, the amount of light received by the Sun changes.
•During the waning phase of the Moon, less of the Moon's near side is lít each night
•During the waxing phase of the Moon, less of the Moon's near side is lit each night.
•During both the waxing and waning phases, the Moon is not visible to people on Earth
Answer:
During the waning phase of the Moon, less of the Moon's near side is lít each night
Explanation:
Phases of the moon are different ways the moon appear on the Earth. As moon orbit the Earth, half of the moon that faces the Earth will be lit up. There are different phases of moon which are full moon, quarter moon, waning crescent moon, waning gibbous moon, e.t.c.
A waxing crescent moon is when the moon look like crescent and it increases in size.
A waning gibbous moon occurs when more than half of the lit portion of the Moon can be seen and the shape reduce in size . It occur between the full and quarter moon.
Answer:
Explanation:
The night sky with a small sliver of the left side of the moon visible.
In this photo, this phase of the moon is called
.
The next phase will be
.
About 27 days from now the phase will be
.
which is it ????
A method used by family and friends to help an alcoholic confront the disease is
Answer:
The options are
A. Cooperation
B. Intercession
C. Intervention
D. Codependence
The answer is B. Intervention
Explanation:
The suitable method used by family and friends to help an alcoholic confront the disease is Intervention. These set of people will help him understand the dangers of being an alcoholic and ensure that they help him avoid the triggers that makes such individual drink excessively.
They want to help him overcome the problem so cooperation and codependence is out of context. Intercession isn’t a strict form of confronting a problem such as this.
Both vegetable oil and butter are made up of fats.
Why is butter a solid at room temperature, while vegetable oil is a liquid?
A)Butter is a saturated fat and vegetable oil is an unsaturated fat.
В)
Butter is a polar molecule and vegetable oil is a nonpolar molecule.
C) Butter is an unsaturated fat and vegetable oil is a saturated fat.
D) Butter is a nonpolar molecule and vegetable oil is a polar molecule.
Answer:
A
Explanation:
Butter, as good as it is, is not exactly good for us. Butter is an animal fat, or a saturated fat. This means that at room temperature these fats will remain solid. There is some science behind it and ill say this quickly, it has to do with the carbon atoms being packed with hydrogen atoms. This allows them to intertwine and be solid. The Vegetable Oil being unsaturated, a plant fat, is good for us! These are missing some of the atoms needed to make them stand up straight and be solid. So these are always liquid at room temperature! :)
We have that for the Question "Both vegetable oil and butter are made up of fats. Why is butter a solid at room temperature, while vegetable oil is a liquid?"
Answer:
Option A is the correct answer(Butter is a saturated fat and vegetable oil is an unsaturated fat)
Explanation:
Butter contains more saturated fat., vegetable oil contains more unsaturated fat.
Melting point of Saturated fat less than melting point of Unsaturated fat
Intermolecular interactions in saturated fats greater than Intermolecular interactions in Unsaturated fats
Saturated molecules are so close and forms a solid. UnSaturated molecules are not so close and forms a liquid at room temperature
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2. Which of the following is not a trace element in
the human body?
a. iodine
b. zinc
c. iron
d. calcium
A stream or river that runs into another stream or river is called a
Answer:
tributary
Explanation:
A tributary is a river that runs into another river.
What effect does the sun have on surface water?
Answer:
it evaporates it and makes the water cycle work
Explanation:
The sun has several effects on surface water. It causes evaporation, converting water into vapor and contributing to the water cycle.
The effect of tghe sunThe sun's heat regulates water temperature and supports photosynthesis in aquatic plants, which produce oxygen and serve as food sources.
Solar energy drives surface water circulation and influences biological activity, promoting biodiversity in water bodies.
Overall, the sun plays a vital role in the dynamics and functioning of aquatic ecosystems.
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Give an example of a biological mutagen
Answer:
An example of a biological mutagen is Bacteriophage MU.
Other examples of mutagen are radioactive substances, ultraviolet radiation and certain chemicals
What physiological alterations occur at both the vasculature and heart functioning level? (really stuck on this one, please help.)
Answer:
Most physiological alterations during aging and it is usually characterized by the deposition of a pigment called liposfuscin.
The valves of the heart also becomes stiff and thickened as a result of the pigment mentioned above. This makes the flow of blood slower than normal and contributes to cardiovascular diseases such as Stroke, high blood pressure etc.
Which treatment is best for a person with persistent diarrhea
Answer:
do drink plenty of fluid
do drink a tea with chamomile and caffeine or aclcohol
Explanation:
this is the thing
What would happen if a membrane protein were unable to bind with signaling molecule
List 3 areas other than pregnancy and childbirth where genetic counselors provide help.
What are the use of igneous rocks
Answer:
Igneous rocks have a wide variety of uses. One important use is as stone for buildings and statues. Diorite was used extensively by ancient civilizations for vases and other decorative artwork and is still used for art today. Granite is used both in building construction and for statues.
The Gram stain technique is valuable in distinguishing Bacteria from viruses whether or not a bacterium has pili. The flagella of a motile cell different types of bacteria based on cell envelope structure.
a. True
b. False
Answer:
False
Explanation:
Gram stain technique is a method use to classify bacteria into large groups base on their different cell wall components. It differentiate gram positive and gram negative by coloring them with red or Violet colors.
Gram stain is use for identification and classification of bacteria.
Gram positive stain violet due to presence of thick layers of peptidoglylcan in their cell walls and gram negative stain red due to thin layers of peptidoglylcan in their cell walls.
Which of the following statements is true?
A. All matter is made of the same 10 elements.
O B. Every species is made of different elements.
C. All living things are made of the same elements.
D. Every organism is made of different elements.
SUBMIT
1. The amount of adenine is equal to the amount of thymine, and the amount of guanine is equal to the amount of uracil in RNA.
True or False?
2. The correct steps of the scientific methods are: experiment, conclusion, exploration, application
True or False
Answer:
1,True
Explanation:
2, exploration -experiment-application -conclusion
1) False because thymine is absent in RNA.
2)False, correct order is exploration, experiment, application, and conclusion. Hence both statements are false.
What is RNA?RNA (ribonucleic acid)is a nucleic acid, present in almost all organisms. It is single-stranded. In some organisms, it acts as genetic material. It constitutes of a ribose sugar, phosphate group, and nitrogen base and that are adenine, uracil, guanine, and cytosine. Uracil is present in RNA in place of thymine.
There are three types of RNA that are mRNA, tRNA, and rRNA. It does not obey Chargaff's rule. It has an important role in protein synthesis by ribosomes through the translation process.
The correct order of scientific method is exploration, experiment, application, and conclusion. Hence both statements are false.
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Cells must maintain an appropriate level of fluidity across their membranes. Hot temperatures lead to greater membrane fluidity. What might you then expect to find regarding the membrane composition of bacteria from very hot environments
Answer:
Thermophilic bacterial are rich in large quantity of thermophilic lipids in the cell membranes. This components made the membrane to be impermeable at high temperature, and therefore a good adaptation for the hot environment.
At high temperature,proton permeability increase, sodium permeability also increases but to a ;lesser extent, but Lipid is independent of this temperature rise.
Hence, these organisms rely on the less permeable Na+ for the maintenance of high sodium motive force.it is the energy derived from this that the cell membrane needs to maintain stability, coupe with the lipid content.
Explanation:
Imagine that a scientist studies two traits in cattle. The scientist noticed that oval is dominant over triangular with regard to snout shape. Additionally, long is dominant over short with regard to tail length. To determine if these traits are linked, two individuals that are heterozygous for both traits were crossed. The data in the table represent the number of offspring produced by this dybrid cross. Phenotypic ratio represents the predicted proportion of offspring with each set of traits that would be produced if the traits independently assort. What can be determined about these traits based on Chi-square analysis?
A) These traits do not assort independently.
B) There are not enough data to calculate a Chi-square value.
C) A Chi-square analysis cannot determine linkage.
D) These traits assort independently.
Answer:
C. A Chi-square analysis cannot determine linkage
Chi-square test compares observed and expected results. This test determines if a difference between actual and predicted data is due to chance or a link between variables. Therefore, option (D) is correct.
What is chi square test?Chi-square test compares observed and expected results. This test determines if a difference between actual and anticipated data is due to chance or a relationship between factors. The chi-square test is ideal for interpreting the relationship between two categorical variables.
The Chi-Square Test of Independence examines whether two sets of variables are related. This non-parametric test uses counts of two nominal or categorical variables. This test requires a large sample and independent observations.
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What type of extreme weather does global warming cause?
Answer:
Global warming also increases water vapor in the atmosphere, which can lead to more frequent heavy rain and snowstorms.
Explanation: