All of us live in a neighbourhood or surrounding. We must keep our surroundings neat and clean. This will help us to live a healthy life. Keeping our surroundings clean will only help in the betterment of society. Waste or garbage should not be thrown anywhere, but only in trash bins. Throwing garbage all over the place will dirty our surroundings, pollute the environment. Controlling the use of plastic bags will help to keep our surroundings clean. One should use recycled and eco-friendly products like paper or jute bags instead of others. Littering causes land, air and water pollution. Greener surroundings look beautiful and reduce pollution. Dirtying our surroundings will cause harm to us. So, keep the surroundings clean, live happy and healthy lives.
HOPE IT HELPS YOU .is it possible for humans override reflex action think about what happens if you pick up a boiling hot mug of tea explain your answer
Answer and Explanation:
Through many media sources, it is seen that people can "override" the human reflex action.
The way those people are able to be seemingly unaffected by actions and objects that would normally make others flinch or react is by training themselves to be unaffected. They may still feel pain but won't instantly react to the pain.
For example, everyone will feel pain to a boiling hot mug of tea. For many, when they touch the mug, they will pull their hand/finger away due to the intense heat the mug has. For those who trained to not reflex, they may be able to hold on longer than most others to the mug of tea. Even so, they may still pull away from the mug as it is hurting their hand.
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deoxigenated blood returns to the heart via the vena cava. where does the blood go from the vena cava
a. left ventricle
b. left atrium
c. right ventricle
d. right atrium
Answer:
D
Explanation:
algae makes energy-rich carbon compounds through photosynthesis.
(T/F)
The given statement " Algae indeed produce energy-rich carbon compounds through photosynthesis". is True because Photosynthesis is a vital process that occurs in the chloroplasts of algae cells.
During photosynthesis, algae capture light energy using pigments like chlorophyll and convert it into chemical energy. They utilize this energy to break down water molecules, releasing oxygen as a byproduct, and incorporating carbon dioxide from the surrounding environment. Through a series of enzymatic reactions, algae synthesize glucose, a high-energy carbon compound.
Glucose serves as a primary source of energy for algae, enabling them to carry out essential metabolic processes and sustain their growth. Additionally, algae can convert excess glucose into other energy-rich carbon compounds, such as lipids and starches, which serve as energy storage molecules. These compounds can be used during periods of limited sunlight or nutrient availability.
Overall, algae's ability to generate energy-rich carbon compounds through photosynthesis makes them an important component of aquatic ecosystems and potential sources for renewable energy production and biofuel development.
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nhiệt độ thích hợp để nuôi cá chép?
Answer:
20-25 độ C
Explanation:
Đó là khoảng thuận lợi để cá chép phát triển tốt nhất
When a karyotype is made, only a single cell's set of chromosomes is included in the image. Which of the following best explains why genetic counselors know that the other somatic cells will have the same condition as the one seen?
Genetic counselors know that the other somatic cells will have the same condition as the one seen in the karyotype because all somatic cells in an organism have the same set of chromosomes, which are replicated during cell division.
What is a karyotype?A karyotype is a visual representation of the complete set of chromosomes in a single cell of an organism. It is typically arranged in pairs, with the chromosomes lined up in a specific order based on their size and shape.
Karyotypes are used to identify chromosomal abnormalities, such as missing or extra chromosomes, and to diagnose genetic disorders. They can be created by staining a cell and then photographing it under a microscope.
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uses of biotechnology in washing powder making
Answer:
Here are some uses of biotechnology in the production of washing powders:
Enzymes: Enzymes are commonly used in washing powders to enhance the cleaning efficiency and remove various types of stains. Proteases, amylases, lipases, and cellulases are examples of enzymes used in washing powders. These enzymes break down protein-based, starch-based, lipid-based, and cellulose-based stains, respectively, into smaller fragments, making them easier to remove during the washing process.
Bio-surfactants: Surfactants are essential components of washing powders as they help to remove dirt and oil from fabrics. Biotechnology allows for the development of bio-surfactants, which are surfactants derived from biological sources, such as bacteria or yeast. These bio-surfactants are more environmentally friendly than traditional surfactants as they are biodegradable and have lower ecological impact.
Microbial Strains: Biotechnology can be used to isolate, characterize, and optimize microbial strains that produce enzymes or bio-surfactants. Microorganisms, such as bacteria and fungi, can be engineered or selected for their ability to produce specific compounds that enhance the cleaning performance of washing powders.
Genetic Modification: Genetic modification techniques can be employed to enhance the properties of microorganisms used in the production of enzymes or bio-surfactants. This allows for the creation of microorganisms with improved characteristics, such as increased enzyme activity or enhanced stability under varying conditions.
Fermentation Processes: Biotechnology facilitates the use of fermentation processes to produce enzymes and bio-surfactants at a large scale. Fermentation involves the controlled growth of microorganisms in bioreactors, where they produce enzymes or bio-surfactants through metabolic processes. This enables the efficient and cost-effective production of these ingredients for use in washing powders.
Explanation:
If water were a nopolar molecule, how would it’s properties be different
Answer:
ice wouldn't float, so instead of the top layer of water frozen, all of it would so it would kill everything. Life on earth wouldn't exist. It also would be working against gravity so plants = dead.
Explanation:
How is the food you choose to eat used to create energy? referring to cellular respiration
Answer:
Through the process of cellular respiration, the energy in food is converted into energy that can be used by the body's cells. During cellular respiration, glucose and oxygen are converted into carbon dioxide and water, and the energy is transferred to ATP.
How can we sustain our natural resources for future generations?
We sustain our natural resources for future generations by making responsible use of them and thus maintaining resources in a sustainable way.
What is the use of resources in a sustainable way?The expression of the use of resources in a sustainable way makes reference to a responsible role for use of all natural resources and energies on the earth in order to maintain our planet in a healthy state.
Therefore, with this data, we can see that the use of resources in a sustainable way is based on responsible use and it is fundamental to ensure life in future generations.
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Which of the folowing is the depicted process, with the correct description of this function?A. Endocytosis; uptake of nutrients.B. Endocytosis; initiation of signal transduction.C. Exocytosis; breakdown of wastes. D. Ecocytosis; secretion of proteins.
First, as the process is from left to right, we are in the presence of the formation of a vesicle. Then, we are sure this is endocytosis.
Endocytosis can serve different purposes, including uptake of nutrients (better call pinocytosis) and signal transduction. The last usually involves a receptor in the membrane that is attached by a particular signal molecule. In this image, there is no molecule binding a receptor. Moreover, we can observe several molecules (these are nutrients) being transported into the cell.
The answer is A. Endocytosis, uptake of nutrients.
The three parts of the diagram above are in chronological order. In the space below, identify the blue segment and the yellow segment, then describe and explain the process that has occurred. (a four to six sentence paragraph is expected!)
Question 1 options:
Transcription is the process of creating mRNA by copying a DNA template strand. It involves the separation of DNA strands, mRNA synthesis, and mRNA exiting the nucleus for further transcription in the cytoplasm.
Transcription is the process of copying a portion of the DNA template strand in order to create mRNA. The blue section represents DNA, whereas the yellow segment represents mRNA.The first step before protein assembly is to create messenger RNA or mRNA. Transcription is the process through which messenger RNA, or mRNA, is created. This occurs in the nucleus and is accomplished by using fragments of DNA molecules.We can detect two distinct segments when the DNI molecule breaks into two strands to produce the transcription bubble: the coding strand and the template strand.The coding strand grows in the direction 5' to 3', whereas the complementary strand (template strand) develops in the opposite way.The template strand is the one that will be supplemented with mRNA. The initial DNI strand is read by RNA polymerase for mRNA synthesis.The mRNA molecule develops complementary DNA base sequences. That is, mRNA derived from DNA adenine and uracilcytosine and guanineadenine and thyminecytosine, guanine When mRNA synthesis is completed, the molecule exits the nucleus to begin transcription in the cytoplasm.Summary: 1 - The blue part represents a DNA molecule. The yellow region contains one mRNA molecule and one DNA molecule. 2- Separation of the DNI molecule into two strands and growth of the mRNA molecule. 3- mRNA molecules that have already been synthesized and isolated from DNAFor more questions on Transcription
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THIS IS ACTUALLY FOR SCIENCE BUT I NEED HELP
How can fossils help us
understand the Earth's history?
Answer: By studying fossils, we can tell how long someone has been on the earth for.
Explanation: We can easily learn where they lived, how they lived, and their past.
Part D
Do you think one of your solutions is clearly better than the other? Give reasons for your answer.
Answer:
No, I don’t. They both have significant pros and cons, and there’s not a lot of scientific evidence available to determine whether one solution is better than the other.
Explanation:
Edmentum
list some things you can do to eliminate deforestation (cutting down forests)
Answer:
1.Plant a tree.
2.Use less paper.
3.Recycle paper and cardboard.
4.Use recycled products.
5.Buy only sustainable wood products.
6.Don't buy products containing palm oil.
7.Reduce meat consumption.
8.Do not burn firewood excessively.
Explanation:
Hope this helps :)
Which of the following is true of BOTH mitochondria and chloroplasts?
• contain DNA
• metabolize molecules to generate ATP
• bounded by two membranes
• site of oxidative metabolism
• arose by endosymbiosis
• use light to synthesize glucose
The statement that is true about both mitochondria and chloroplast is as follows:
contain DNA bounded by two membranes site of oxidative metabolismWhat is mitochondria and chloroplast?Mitochondria is the ovoid shaped organelle found in the cytoplasm of eukaryotic cells and contains genetic material (DNA) separate from that of the host. It is responsible for the conversion of food to usable energy in the form of ATP.
On the other hand, the chloroplast is an organelle found in the cells of green plants where photosynthesis takes place, characterized by a high concentration of chlorophyll and two membranes.
Based on the description of these two organelles, it can be said that both organelles possess the following features;
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2. You are handed a mystery pea plant with tall stems and axial flowers and asked to determine its genotype as quickly as possible. You know that the allele for tall stems (T) is dominant to that for dwarf stems (t) and that the allele for axial flowers (A) is dominant to that for terminal flowers (a).
a. Identify all the possible genotypes for your mystery plant.
If the allele for tall stems (T) is dominant to that for dwarf stems (t) and the allele for axial flowers (A) is dominant to that for terminal flowers, then the possible genotypes for a pea plant with tall stems and axial flowers may be TTAA TTaa, TtAA and TtAa.
What is a dominant allele?In genetics, a dominant allele is a gene variant that mask the expression of another gene variant for the same locus, which is then referred to as the recessive allele.
In this case, we have two alleles from different loci (i.e. tall stem T allele and axial flowers A allele) that dominate to other two alleles (i.e., the dwarf stems and the allele for terminal flowers, respectively).
Therefore, with this data, we can see that the dominant alleles are those that mask the expression of the recessive alleles in heterozygous individuals.
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Which nitrogen base sequence is the partner of O C-A-T-C-G-A?
O C-A-T-C-G-A
O G-T-A-G-C-T
O (wrong) T-G-C-T-A-G
O G-C-A-T-G-T
Answer:
3rd one
Explanation:
hope so but if not am sorry
4. Where is rough endoplasmic reticulum located?
A. Cytoplasm
B. Ribosomes
C. Nucleus
D. Cell wall
Answer: Nucleus (C)
Explanation:
Rough ER is found throughout the cell but the density is higher near the nucleus and the Golgi apparatus. Ribosomes on the rough endoplasmic reticulum are called 'membrane bound' and are responsible for the assembly of many proteins. This process is called translation.
In rats, the genes B and D control fur color as follows: B_dd rats have black fur, bbD_ have yellow fur, B_D_ have brown fur, and bbdd rats have cream-colored fur. If a pure-breeding brown rat and a pure-breeding cream-colored rat mate to produce an F1, and F1 are allowed to interbreed to produce an F2, what is the expected phenotypic distribution of the brown fur color rat offspring
Answer:
Phenotypes:
9/16 Brown-fured rats, B-D- 3/16 Black-fured rats, B-dd 3/16 Yellow-fured rats, bbD- 1/16 Cream-fured rats, bbddExplanation:
Available data:
the genes B and D control fur color B_dd rats have black fur, bbD_ have yellow fur, B_D_ have brown fur, bbdd rats have cream-colored fur1st cross: pure-breeding brown rat with a pure-breeding cream-colored rat
Parentals) BBDD x bbdd
Gametes) BD, BD, BD, BD
bd, bd, bd, bd
F1) 100% BbDd
2nd Cross: F1 individuals interbreed
Parentals) BbDd x BbDd
Gametes) BD, Bd, bD, bd
BD, Bd, bD, bd
Punnett square) BD Bd bD bd
BD BBDD BBDd BbDD BbDd
Bd BBDd BBdd BbDd Bbdd
bD BbDD BbDd bbDD bbDd
bd BbDd Bbdd bbDd bbdd
F2) Genotypes:
1/16 BBDD 2/16 BBDd 1/16 BBdd 2/16 BbDD 4/16 BbDd 2/16 Bbdd 1/16 bbDD 2/16 bbDd 1/16 bbddPhenotypes:
9/16 Brown-fured rats, B-D- 3/16 Black-fured rats, B-dd 3/16 Yellow-fured rats, bbD- 1/16 Cream-fured rats, bbddHow did black bears become so diverse over time?
Answer: They evolved from the same line as the cave bear, descending from Ursus abstrusus, a small, primitive black bear. Ursus Euarctos, a black bear, came to North America during the Pliocene Epoch before the brown bear.
Which of the following is found in a eukaryotic cell, but NOT in a
prokaryotic cell? *
Cytoplasm
O Cell membrane
O Nucleus
O Flagella
which of the following describes a hot spot?
Answer:
its for wifi
Explanation:
Georgia has hypochondriasis, and Leo has a pain disorder. Which of the following do Georgia and Leo most likely
have in common?
O a history of normal medical exams
O significant pain in a specific area
O a preoccupation with the idea of being sick
O an onset of the disorder before the age of 30
Answer:
C. a preoccupation with the idea of being sick
Explanation:
Hypochondriasis and pain disorder are two conditions that deviates from the normal human health. Hypochondriasis, also known as health anxiety, is a condition whereby an individual is fearfully worried about having a serious illness. On the other hand, pain disorder is a condition in which pain results in certain areas of an individual's body due to psychological disposition of such individual i.e. his/her mindset.
Based on the description of both conditions above, it can be observed that both hypochondriasis and pain disorder are as a result of a preoccupied mindset of being sick. One is worried PSYCHOLOGICALLY about being terribly ill (Hypochondriasis) while the other PSYCHOLOGICALLY induces pain on him/herself.
Answer:
A
Explanation:
got it right on edg 2020-2021
What would happen to you if your white blood cells didn't make antibodies
Answer:
you would get a lot of bad infections
In a certain reptile, eyes can be either black or yellow. Two black eyed lizards are crossed, and the result is 72 black eyed lizards, and 28 yellow-eyed lizards. Calculate the chi-squared value for the null hypothesis that the black eyed parents were heterozygous for eye color. Explain the chi-square test results.
Assuming a single diallelic gene coding for the eye color trait, the chi-square test results suggests that there is not enough evidence to reject the null hypothesis. Parents must be heter0zyg0us. 0.48 < 3.841
Available dataEyes are black or yellowCross: between two black eyed lizardsF1) 72 black eyed lizards, and 28 yellow-eyed lizards.Assuming the eye color is coded by a single diallelic gene and that black is dominant over yellow, we will name the alleles B for black and b for yellow.
Hypothesis: Two heter0zyg0us lizards are crossed. Bb x Bb
The expected phenotypic ratio among the progeny is 3:1,
3/4 expressing the dominant trait, and 1/4 expressing the recessive trait.So, according to these proportions, we can get the expected numbers
4 ------------------- 100 individuals
3 ------------------- X = 75 black-eyed individuals
1 -------------------X = 25 yellow-eyed individuals
Now, we will compare the observed values and the expected values.
Black eyes Yellow eyes
Observed 72 28
Expected 75 25
(Obs-Exp)²/Exp 0.12 0.36
X² = Σ(Obs-Exp)²/Exp = 0.12 + 0.36 = 0.48
So the chi-square value is 0.48.
Now we will compare this value with the critical table value. To do it, we need to know the degrees of freedom and the significance level.
Degrees of freedom = n - 1 = 2 - 1 = 1
Significance level = 0.05
Critical value = 3.841
X² < Critical value
0.48 < 3.841
The critical value is greater than X², so there is not enough evidence to reject the null hypothesis. Parents must be heter0zyg0us.
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Design and organise learning experiences according to your local circumstances when teaching Processing (including traditional processing of raw materials; metal processing; food processing)
When teaching Processing, it is essential to design and organize learning experiences that align with local circumstances and provide practical applications.
Here is a suggested approach for teaching Processing, including traditional processing of raw materials, metal processing, and food processing, considering local circumstances:
1. Introduction and Contextualization:
Start by introducing the concept of processing and its importance in various industries. Provide examples of local raw materials, metals, and food products that undergo processing. Discuss the significance of processing in the local economy and its impact on society.
2. Field Trips and Industry Visits:
Arrange field trips to local processing facilities such as factories, mills, or food processing plants. These visits offer students firsthand exposure to different processing techniques and machinery. Encourage students to observe and interact with professionals in the field, asking questions and understanding the practical aspects of processing.
3. Hands-on Workshops:
Organize hands-on workshops where students can engage in practical activities related to processing. For example, set up a metalworking workshop where students can learn basic metal processing techniques like cutting, shaping, and welding. Provide guidance on safety measures and proper tool usage.
4. Local Case Studies:
Explore local case studies of successful processing businesses or initiatives. This could involve inviting guest speakers from local processing companies or inviting entrepreneurs who have started their own processing ventures. Students can learn about the challenges, opportunities, and sustainable practices in the local processing industry.
5. Project-Based Learning:
Assign project-based tasks that allow students to apply their knowledge of processing. For example, students could design and develop a prototype for a food processing machine or propose innovative methods to improve traditional processing techniques using local resources. Encourage creativity, critical thinking, and problem-solving skills throughout the project.
6. Community Engagement:
Encourage students to engage with the local community by organizing outreach programs related to processing. This could involve organizing workshops for local artisans or collaborating with local farmers to develop value-added food products. Such activities foster a sense of social responsibility and provide students with real-world experiences.
7. Assessment and Reflection:
Regularly assess student understanding through quizzes, assignments, and presentations. Encourage reflective practices where students can evaluate their own learning journey and identify areas for improvement. Incorporate feedback mechanisms to continuously enhance the learning experiences.
By designing learning experiences that incorporate field trips, hands-on workshops, local case studies, project-based learning, community engagement, and reflective practices, students will develop a holistic understanding of processing and its significance in their local context. This approach will equip them with practical skills, foster creativity, and promote an entrepreneurial mindset, preparing them for future opportunities in the processing industry.
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answer with explanation thank you
Part A:
The genes for feather color and texture are independently assorted, with light blue being more dominant than smooth and dark blue. It appears that the characteristics for wing colour (light blue vs. dark blue) and wing texture (smooth vs. ridged) are separately assorting based on the observed ratios of offspring with various combinations of wing colour and texture.
Part B:
One theory for why lactose tolerance evolved in humans is that increased selection during famines led some individuals to have a different food supply and increased fat consumption, which offered more resources for improved fitness. These two possibilities may serve as theories for the evolution of lactose tolerance in humans. One characteristic often seen in people with a history of dairy farming is the ability to digest lactose (the sugar contained in milk) from infancy.
Therefore, the correct options for Part A and Part B are B and B &D respectively.
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Describe the mangroves ecosystem and its role in sustaining the ecosystem in the food web or food chain
Mangroves are coastal ecosystems that provide habitats, food, and protection for various species, supporting the food web.
The mangrove ecosystem is a unique and highly productive coastal habitat characterized by mangrove trees, which are specially adapted to survive in saline environments. Mangroves are typically found in tropical and subtropical regions along sheltered coastlines, estuaries, and intertidal zones.
Mangroves are vital in sustaining the ecosystem by providing various ecological services. One of their significant contributions is their role in the food web or food chain.
They serve as a critical nursery and feeding ground for a diverse range of marine species. The intricate network of roots, known as prop roots, provides habitat, protection, and feeding opportunities for numerous organisms, such as fish, crustaceans, mollusks, and birds.
The mangrove leaves and detritus that fall into the water serve as a source of organic matter and nutrients, fueling the base of the food web. Decomposers and detritivores break down the organic matter, which is then consumed by various organisms.
Small organisms, like zooplankton and small fish, feed on the decomposers and detritivores, becoming prey for larger predators such as fish, birds, and reptiles.
Furthermore, mangroves act as a buffer against coastal erosion and storm surges, protecting shorelines and adjacent habitats. They also contribute to water filtration, nutrient cycling, and carbon sequestration, and provide a habitat for numerous endangered and migratory species.
In summary, the mangrove ecosystem plays a crucial role in sustaining the food web or food chain by providing habitat, nursery areas, and food sources for a diverse array of organisms. Their presence supports the productivity and biodiversity of coastal ecosystems, making them an essential component of coastal environments worldwide.
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What part of the chloroplast helps to absorb light in order for the plant to make its own food? Question 10 options: chlorophyll stomata guard cells photosynthotons
Answer: A please tell me if im right
Explanation:
Answer:
chlorophyll
Explanation:
hope i helped