Explanation:
Science is very important in every activities of our daily life. some of them are,
It is used for cooking as the cooking materials are made with various science ideas.It is used for buying and selling purposes such as measuring amounts of quantities.It is used for lightning our house and also run various type of electronic devices to make our life effective through electricity. We use science in medical sector as all the requirements in medical sector needs the knowledge and skill of science from medicine to surgery. when we make compost manure, there should be bacteria todecompose it.hope it helps..
Answer:
sicience is in our everyday life. It is important to understand how science is incouprated in our every day life.
In some parts of Africa, the frequency of heterozygosity for the sickle cell anemia allele is unusually high, presumably because this reduces the frequency of malaria. Such a relationship is related to which of the following?
a) Mendel's law of independent assortment
b) Mendel's law of segregation
c) Darwin's explanation of natural selection
d) Darwin's observations of competition
e) The malarial parasite changing the allele
Answer:
The correct option is C.
Explanation:
According to Darwin's Law of Natural Selection, a gene that benefits the organism and helps it produce healty offspring so that it can survive is supported by natural selection and will receive a positive feedback over.
The fact that the heterozygosity for sickle cell anemia helps with the survivability of malaria, which is a deadly disease, suggests that the heterozygosity is favored by the law of natural selection.
I hope this answer helps.
Exotoxins are Question 8 options: only released after a cell is damaged or lysed. proteins. lipopolysaccharides. secretions that always target nervous tissue. antiphagocytic factors.
Answer:
The correct answer is proteins.
Explanation:
The exotoxins are proteinaceous in nature, they are the toxins, which are discharged from a living bacterium and are also discharged at the time of bacterial lysis. The exotoxins harm humans, however, not all exotoxins generated harm human beings.
Some are even created to perform an essential function in bacteria physiology like regulating functions of the cell, resisting bacteriophages, or quorum sensing. The three prime kinds of exotoxins are type I exotoxins or superantigens, type II toxins or exotoxins that damage host cell membranes, and type III toxins or A-B toxins that interfere with the function of the host cell.
If DNA replicated conservatively instead of semi conservatively, what would the banding pattern look like in a tube containing heavy nitrogen DNA (15N) grown in regular, or light, nitrogen (14N) for 1 generation? A. There would be one band of heavy DNA and one band of light DNA. B. There would be one band of intermediate DNA, and one band of light DNA. C. There would be one band of heavy DNA and one band on intermediate DNA. D. There would be one band of intermediate weight DNA.
Answer:
A. There would be one band of heavy DNA and one band of light DNA.
Explanation:
First, we must exclude that a 15N DNA is related to a heavy nitrogen, while a 14N DNA is related to a light nitrogen.
After that, it is important to understand what conservative DNA replication would be. This type of replication implies that the strands of the parental DNA would not be separated to form the daughter strands. Thus, the replication occurs with the DNA strands together, the daughter strands of newly formed DNA are also formed together, in this case. Thus, the parental 15N DNA would form another 15N DNA molecule, the same goes for the 14N molecule. With that we can say that the answer to your question would be "there would be a heavy DNA band and a light DNA band."
1. evaporation process by which liquid water changes into a gas
2. infiltration process by which solid water (ice, snow) changes directly into a gas
3. precipitation process by which precipitation soaks into the ground
4. sublimation release of water vapor into the air by plants
5. transpiration the release of water from the atmosphere
Answer:
1. Evaporation process by which liquid water changes into a gas.
2. Sublimation process by which solid water (ice, snow) changes directly into a gas.
3. Infiltration process by which precipitation soaks into the ground.
4. Transpiration release of water vapor into the air by plants.
5. Precipitation the release of water from the atmosphere.
Explanation:
Hope it helps.
Which statement about glycolysis is false? ATP is required. Three of the 10 steps of glycolysis yield energy. Glycolysis leads to the formation of pyruvate. Oxygen is required. Glycolysis occurs outside of the mitochondria.
Answer:
The answer is oxygen is required
Cytochalasin D is a drug that prevents actin polymerization. A cell treated with cytochalasin D will be inhibited from doing all of the following EXCEPT:________.
a) extend pseudopodia
b) move vesicles within a cell
c) contract muscle fibers
d) divide in two
Cytochalasin D is a drug that prevents actin polymerization. A cell treated with cytochalasin D will be inhibited from doing all of the following except move vesicles within a cell. Hence option b is correct.
What is actin polymerization?Actin polymerization is defined as a monomers associate with and disassociate from the ends of actin filaments in this reversible process. Actin filament polymerization typically takes place over three phases: a steady state phase, an elongation phase, and a nucleation phase. Actin filament assembly involves the phases of nucleation, elongation, and steady state.
A cell-permeable fungus toxin called cytochalasin D attaches to the barbed end of actin filaments and prevents both subunit interaction and separation. About 20 known mold-derived substances collectively known as cytochalasins impact actin stress fibers and cause fast actin depolymerization.
Thus, cytochalasin D is a drug that prevents actin polymerization. A cell treated with cytochalasin D will be inhibited from doing all of the following except move vesicles within a cell. Hence option b is correct.
To learn more about actin polymerization, refer to the link below:
https://brainly.com/question/13530642
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Peter and Kim both earn the same amount,£18000p.a.Peter gets a pay rise of 4% in January and then a pay rise of 5% on his new salary in July.Kim gets 9% in July Peter says After July we will both be earning the same again.Is he correct? Explain your answer.
sorry guys its maths
Which is a consequence of global warming?
Answer: Rising sea levels
Explanation: Due to the increase in greenhouse gases like CO2 and Nitrogen there is a global increase in average temperatures meaning that glaciers will melt and cause an increase in sea levels
If the amount of daylight increases plant growth during the summer
Answer:
then, the amount of daylight decreases plant growth in the winter.
Explanation:
Well if plant growth is increased during summer due to the amount of daylight then it will be reduced or decreased during winter because of reduced daylight.
You are at a conference for a fellow scientist who is giving a lecture in a field you
are both researching: human evolution and ancestry. In his lecture, he compares
many of the behaviors of humans and Chimpanzees, and compares the
behaviors of humans and Orangutans. He concludes that we are more closely
related to Orangutans than Chimpanzees. Is he correct?
Answer:
incorrect
Explanation:
This is an incorrect statement as orangutans are the most distant relatives of humans among the Great apes and chimpanzees are the closest.
What is the evolutionary relationship?
The link drawn between different species of organisms considering their evolutionary history is the evolutionary relationship between these species. Genome sequencing is a method to study evolutionary relationship between the organisms of different species.
The humans, orangutans, gorillas and chimpanzees are grouped together in a family called as as the Hominidae. The Genome sequencing of humans, chimpanzees and orangutans revealed that humans and orangutans share about 97% of their DNA. This is much less than humans and chimpanzees which share 99% of their DNA.
Therefore, the statement that humans are more closely related to orangutans than chimpanzees is an incorrect statement.
Read more about evolution, here
https://brainly.in/question/7467804
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What are the repeating subunits that make up a nucleic acid?
Choose ONE answer:
A. Nucleotides
B. Monosaccharides
C. Amino acids
D. Glycerol and fatty acid tails
A. Nucleotides
Monosaccharides make up a carbohydrate.
Amino acids make up protein.
Glycerol and fatty acid tails make up lipids.
Which of the following is correct about the polyadenylation mechanism?
Answer:
a long chain of adenine nucleotides is added to the 3' end of mRNA during termination of transcription
Explanation:
Which statement describes Earth?
O It is an outer planet.
O It is a gaseous planet.
O It was formed from gas and dust.
O It has a thick atmosphere of hydrogen and helium.
Answer:
it is a terrestrial planet.
It was formed from gas and dust.
Explanation:
the last one is wrong is not thick and the first one is wrong because it is an innner planet.
Answer: D.
Explanation: It has a thick atmosphere of hydrogen and helium.
You are relaxing, having a snack and watching TV, when suddenly the entire house begins to shake violently. The activity of your ________ quickly decreases, while that of your ________ increases. autonomic nervous system; somatic nervous system parasympathetic division; sympathetic division sympathetic division; somatic nervous system sympathetic division; parasympathetic division somatic nervous system; autonomic nervous system
Answer:
parasympathetic division; sympathetic division
Which of these must exist for natural selection to cause change ?
Answer:
The answer is A.
Explanation:
Observe 5 different forms of life in your garden, orchard, living beings found with their characteristics and give an explanation of these forms.
Answer:
Explanation:
After going to my garden and observing carefully I have come to the conclusion that there are many forms of life.
The most common way of life is plants: which are mostly green, give us oxygen and some give us fruit or food.
Other forms of life that I observed were:
Birds: vertebrate animals that live on the fruits of trees, sing in the morning and have plumageThe worms: invertebrate animals that serve as compost for the earth. Ants, insects that work in an orderly way and that live in colonies under the ground.Flies, flying insects that help decompose animals.Several centers (and their associated motor tracts) in the cerebrum, diencephalon, and brainstem, which may issue somatic motor commands as a result of processing performed at a subconscious level, were long known as the ________, but is actually now considered inaccurate and misleading.
Answer:
The correct answer is "reticular formation".
Explanation:
The missing options of this question are:
A) medial lemniscus
B) pyramidal system
C) anterolateral system
D) reticular formation
E) extrapyramidal system
The correct answer is option D) "reticular formation".
The term "reticular formation" was coined to mention a set of interconnected nuclei located along the brainstem, including the cerebrum, diencephalon, and the brainstem itself. Nowadays this term is considered inaccurate and misleading, since it was never well defined and some authors may include some structures that other author do not consider as part of the "reticular formation".
DNA sequence into RNA: AATGCATATGCA
Answer: UUACGUAUACGU
Explanation:
In DNA to RNA Adenine(A) binds with Uracil(U), Thymine(T) binds to Adenine(A), Guanine(G) binds to Cytosine(C), Cytosine(C) binds to Guanine(G).
Hope it helps <3
step-by-step plan for dealing with a chemical splashed in your eyes.
Explanation:
go to the nearest eye wash station open ur eyes and let the water wash out the chemicals.
What happens if the large intestine is NOT working correctly? What happens if the Small Intestine is NOT working properly?
Is water biodegradable or non - biodegradable?
Answer:
Biodegradable
Explanation:
During a discussion about antimicrobial agents, the instructor explains to the nursing students that there are two major methods used to classify antimicrobial drugs. What are those two major methods
Answer:
The correct answer is - Susceptible organism and mechanism of action
Explanation:
1. susceptibility is a term utilized when microorganisms, for example, microscopic organisms and fungi can't develop within the sight of at least one antimicrobial medications. susceptibility testing is performed on microscopic organisms or parasites causing a person's infection after they have been recovered in a culture of the specimen .
A bacterial strain is supposed to be helpless to a given anti-microbial when it is restrained in vitro by a concentration of this medication that is related with a high probability of therapeutic achievement.
2. According to their primary actions on microbial cells, antimicrobial antibiotics can be divided into four categories: 1. Inhibitors of the biosynthesis of the bacterial cell wall 2. Inhibitors of the bacterial protein synthesis 3. Inhibitors of the nucleic acid metabolism 4. Alteration of Cell Membranes.
a cell "x" contain a cell wall large central vacuole and a nucleus at the periphery . cell"x"is __________ options 1) plants cell 2) animal cell 3) bacterial cell 4) prokaryotic cell
Answer:
plant cell
Explanation:
Plant cells have a cell wall to maintain cell shape. They also have a large central vacuole for water storage and a nucleus at the periphery.
Hope that helps.
Which of the following pairs of organisms is most closely related?
A. Cat and amoeba
B. Kangaroo and salmon
C. Lizard and sponge
D. Cat and kangaroo
Answer:
D
Explanation:
They are both mammals.
. There are different methods of sowing the seeds. Which one of the methods given below is not the methods of sowing seeds used by the farmer?
Answer:
A) Broadcasting B) Seed-drill
Explanation:
Options of sowing seeds are given below.
A) Broadcasting B) Seed-drill C) Transplanting D) Scattering E) None of these
Farmers used two methods for sowing of seeds such as broadcasting and seed drilling. Broadcasting is a method of seed sowing in which seeds are scattered in the field by hands or machines while seed drill is another method of sowing in which a device or machine is used which bury the seed at certain depth and at proper position in the field. In seed drilling method, seeds are sowing in lines while in broadcast, seeds are sown in every part of the field.
Which statement correctly compares the pH of water to that of other substances?
he pH of water increases as its temperature increases, while other substances have a stable pH.
The pH of water is neutral; it is higher than the pH of acids and lower than the pH of bases.
Water contains more hydrogen ions than most other substances, giving it a higher pH.
Water is neutral and has a pH of 0; acids have a pH greater than 0, and bases have a pH less than 0.
Question 5 of 10
A whale is able to move its fins in the ocean because of energy it obtains
directly from
O A. wind
O B. food
O C. the Sun
D. ocean currents
Why can the use of fertilizers, pesticides, and industrial chemicals unintentionally
harm a community's water supply?
Answer:
Run off
Explanation:
The top soil can produce runoff if it rains heavily and travel with the water. The pesticides in the water are harmful to our body when consuming it. The pesticides are in the topsoil, therefor when the soil runs into the water system it is now contaminated with pesticides.
The results of an experiment are considered to be reliable if.
Answer:
If they have been tested multiple times (at my school we learned 3 times) and if they can be replicated by others.
Explanation:
Which are the major components of ribosomes? DNA and proteins RNA and proteins single strands of sugars double strands of nucleic acids
Answer:
RNA and proteins are major components of ribosomes