What instrument do we normally use in our labs at school to observe microscopic things?
Answers
Answer:
A microscope!
Explanation:
A microscope is used to magnify objects that are too small to be seen by the human eye. I hope this helps! :)
Related Questions
HELP
HELP
HELP
I
NEED
THIS
HURRY
Answers
Answer:
oxygen in and carbon dioxide out
Answer:
I think that the answer might be B
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what are some groups that influence people's perspective?
Answers
Answer:
ther economic status influence how we perceive the place where we live and other parts of the world.
Explanation:
A researcher investigates a blood disease carried by birds. She isolates an organism from the blood of an infected bird. She finds that the organism is unicellular and has a nucleus, a cell wall, and the ability to produce spores. What kingdom does the organism belong to?
Answers
The organism belongs to Kingdom Fungi because the organism is said to be unicellular and has a nucleus, a cell wall, and the ability to produce spores.
The kingdom of the organism in question is the kingdom of Fungi. This is because the organism has the ability to produce spores and a cell wall, which are characteristic of fungi.
Fungi are a diverse group of organisms that are eukaryotic, meaning they have a nucleus. They are also heterotrophic, meaning they must obtain their food from other organisms.
Most fungi have a cell wall made of chitin, a substance that is not found in the cell walls of other organisms. Fungi are essential to many ecosystems as decomposers of dead organic matter and as symbiotic partners with plants
In conclusion, the researcher investigating the blood disease carried by birds has isolated an organism from the blood of an infected bird that belongs to the kingdom Fungi.
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________________ occurs when a cell membrane uses energy to engulf material INTO the cell.
Answers
Answer:
Endocytosis
Explanation:
the process of capturing a substance or particle from outside the cell by engulfing it with the cell membrane. The membrane folds over the substance and it becomes completely enclosed by the membrane. ... The plasma membrane engulfs the solid material, forming a phagocytic vesicle.
I need help trying to Identify this animal
(Middle schooler)
Answers
Answer: procyon lotor
Explanation:
Answer:
It an raccoon
Explanation:
A raccoon is a grayish-brown American mammal that has a foxlike face with a black mask and a ringed tail.
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Explain the role of density in the movement of deep currents.
A. Cold, high salinity (salty) deep current water is less dense than warm, low salinity
surface current water. As warm water sinks, cold water will move in to take its
place, creating a circular movement called a convection current.
B. Cold, high (salinity) deep current water is more dense than warm, low salinity
surface current water. As warm water rises, cold water will move in to take its
place, creating a circular movement called a convection current.
C. Warm, high salinity (salty) deep current water is more dense than warm, low
salinity surface current water. As warm water sinks, cold water will move in to
take its place, creating a circular movement called a convection current.
D. Warm, high salinity (salty) deep current water is less dense than warm, low
salinity surface current water. As warm water sinks, cold water will move in to
take its place, creating a circular movement called a convection current.
Answers
Answer:
You answer is A
Explanation:
A combination of high salinity and low temperature near the surface makes seawater dense enough to sink into the deep ocean. Hopefully this help if it didnt my bad
Seawater is sufficiently dense to sink into the deep ocean due to a combination of high salt and low temperature at the surface. Thus, option A is correct.
What is the role of density in the movement of deep currents?Less dense water floats on top of denser water. The deep ocean currents that travel around the globe are propelled by this theory.
Seawater is sufficiently dense to sink into the deep ocean and flow along the bottom of the basins due to a combination of high salinity and low temperature close to the surface.
A substance's density is a measurement of how heavy it is in relation to its size. When placed in water, an object will float if its density is lower than that of the water, whereas it will sink if its density is higher.
Therefore, Cold, high salinity (salty) deep current water is less dense than warm, low salinity.
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Name the type of silkworm reared in Nepal with scientific Name?
Answers
Answer:
Silk is a natural protein fibre and the scientific name is Bombyx Mori and it is related to the silkworms.
Explanation:
Larva and Mulburry are silkworms reared in Nepal.
Match the blood vessels below with their correct definition to the right.
5. _____ Capillaries a. these take blood away from your heart to the rest of the body
6. _____ Arteries b. these allow blood to mix with the surrounding tissues
7. _____ Veins c. these return blood to the heart so that it can be pumped again
Answers
Answer:
5. is arteries- away from heart
6. capillaries- mixes
7. veins- returns
Thank you to whom ever helps brainiest and 5 stars thanks
Answers
Answer:
b, j, e, d, I, f, a, c, g, h
Explanation:
took a look a the picture️
damage to oligodendrocytes will impair the ability of the nervous system to . produce cerebrospinal fluid. phagocytize unwanted materials in the cns. myelinate axons in the cns provide the blood-brain-barrier.
Answers
That damage to oligodendrocytes will impair their ability to myelinate axons in the central nervous system (CNS). Oligodendrocytes are responsible for producing myelin, a fatty substance that wraps around axons and helps to insulate and protect them.
This insulation is crucial for the proper functioning of the nervous system, as it allows for faster and more efficient transmission of nerve impulses. Without myelin, the nervous system would be unable to transmit signals properly, leading to a variety of neurological problems.
Damage to oligodendrocytes can occur due to a number of factors, including disease, injury, or environmental toxins, and can result in conditions such as multiple sclerosis.
Damage to oligodendrocytes will impair the ability of the nervous system to myelinate axons in the CNS. Oligodendrocytes are responsible for producing myelin, which is an insulating layer that helps to increase the speed of electrical signals (action potentials) along axons. When oligodendrocytes are damaged, the production of myelin is negatively affected, leading to impaired neural communication within the central nervous system.
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7. Which is not a similarity between how
plants and animals use energy?
O Both plants and animals change food into
energy in the mitochondria.
O Both plants and animals require energy to
survive.
O Both plants and animals eat food and turn
it into energy.
O Both plants and animals break down food
into energy.
Answers
Answer:
Both plants and animals eat food and turn it into energy.
Explanation:
Plants cannot eat food because they use photosynthesis to make it, and they use the sun as one of the ways to get energy and not eating food.
In β–oxidation the sequence of intermediate are: alkane, alkene, alcohol, ketone. Where have we seen this sequence before? О А. In gluconeogenesis О В, In electron transport O C in the Kreb's cycle O D. in glycolysis O E in the urea cycle
Answers
The sequence of intermediates in β-oxidation (alkane, alkene, alcohol, ketone) is seen in the metabolism of fatty acids, which undergo β-oxidation to produce acetyl-CoA, the precursor for the Krebs cycle. The correct option is (B).
The Krebs cycle, also known as the citric acid cycle, is a series of chemical reactions that occur in the mitochondria of eukaryotic cells and is responsible for the generation of energy through the oxidation of acetyl-CoA.
In β-oxidation, the fatty acid is broken down into two-carbon units in the form of acetyl-CoA, which then enters the Krebs cycle. The initial step of β-oxidation involves the conversion of the fatty acid to an alkane, which is then converted to an alkene through the removal of two hydrogen atoms.
The alkene is then converted to an alcohol by the addition of a water molecule, followed by oxidation to form a ketone. The ketone is then cleaved to produce acetyl-CoA, which is utilized in the Krebs cycle.
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Who discovered penicillin and how ?
Answers
Answer:
In 1928, at St. Mary's Hospital, London, Alexander Fleming discovered penicillin. This discovery led to the introduction of antibiotics that greatly reduced the number of deaths from infection.
The discovery of penicillin was actually a mistake!
Fleming obtained an extract from the mold, naming its active agent penicillin. He determined that penicillin had an antibacterial effect on staphylococci and other gram-positive pathogens.
Explanation:
Jenna's age Jessica's age
today x x + 5
in 5 years x+5
5 years ago x + 5 - 5
Equality x + 5 = x + 5 - 5
=> x + 5 = x
The equation is x + 5 = x
That equation has not any solution, because it reduces to 5 = 0, which is an absurd.
So, the conclusion is that information given by Jenna is wrong.
It is logical: if the difference of the ages is 5, in five years Jenna will have 10 years more than what her sister had 5 years ago, no 5 as she told Jessica.
Answers
Answer:
Here ya go
Explanation:
21. A chemical bond formed by the transfer of electrons is a(an)
bond. (1 point)
Answers
These goats are eating grass on a sunny day. What is happening to the carbon in the air around the living things on the mountain? Is carbon moving into the air, moving out of the air, or both? a Carbon is only moving into the air, it is not moving out of the air. b Carbon is moving into the air and out of the air at the same time. С Carbon is not moving into the air, it is only moving out of the air. d With this information, there is no way to know for sure.
Answers
Answer:
A- carbon is only moving into the air ; it is not moving
In this case, the Carbon is moving into the air and out of the air at the same time (Option B).
What is the carbon cycle?The carbon cycle makes reference to how this elements flows from biotic to abiotic elements in an ecosystem.
The carbon cycle is fundamental for survival of biological systems in nature.In conclusion, the Carbon is moving into the air and out of the air at the same time (Option B).
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2. Why do you think soils are thicker in a valley?
Answers
the term, hyperosmotic describes: [select all the correct answers] group of answer choices a solution inside the cell that has lower solute concentration than the fluid outside the cell. a solution inside the cell that has higher solute concentration than the fluid outside the cell. an extracellular solution that has lower solute concentration than the fluid inside the cell. an extracellular solution that has higher solute concentration than the fluid inside the cell. a solution inside the cell has the same solute concentration as the solution outside the cell.
Answers
The term, hyperosmotic describes: An extracellular solution that has higher solute concentration than the fluid inside the cell; a solution inside the cell that has lower solute concentration than the fluid outside the cell.
Hyperosmotic Solution- A bigger difference between solutes and solutions across a membrane is referred to as being hyperosmotic, as well as solutions with higher osmotic pressure. In other contexts, the term "hyperosmotic" refers to a solution that contains more solutes (or solution constituents) than a comparable solution.
Solute Concentration- Solute concentration is defined as the total amount of solutes and particles dissolved in a solution. The ability of a solute to dissolve in a solvent is referred to as solubility.
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what is a flat representation of the earth's surface
Answers
Discuss about Abundant mitochondria in red muscle cells: ATP source
Answers
Red muscle cells are known for their abundant mitochondria. Mitochondria are organelles within the cell that are responsible for energy production. They convert glucose and oxygen into ATP, which is the primary energy source for muscle cells. Red muscle cells require a lot of ATP as they are used for endurance activities such as running and swimming.
The abundance of mitochondria in red muscle cells allows for a greater capacity for ATP production, leading to better endurance and sustained energy output. This is in contrast to white muscle cells, which have fewer mitochondria and are used for activities that require short bursts of energy, such as weightlifting or sprinting.
In conclusion, the abundance of mitochondria in red muscle cells is essential for providing a sustained source of ATP, allowing for endurance activities to be performed over extended periods of time.
Hi! Abundant mitochondria in red muscle cells serve as a primary ATP source, allowing for efficient energy production to support muscle contraction and endurance. These cells contain high concentrations of mitochondria to meet the high energy demands of sustained muscle activity.
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It has been hypothesized that people who are heterozygous for the allele that causes the deadly genetic condition cystic fibrosis (which, among other symptoms, reduces fertility) are more resistant to the deadly disease tuberculosis. Q8. If the cystic fibrosis allele protects against tuberculosis the same way the sickle-cell allele protects against malaria, then which of the following should be true of a comparison between regions with and without tuberculosis? a) Cystic fibrosis deaths should be more common in the regions with tuberculosis. b) Cystic fibrosis deaths should be less commmon in the regions with tuberculosis. c) Cystic fibrosis deaths should be equally common in both types of regions. d) Regional differences in the cystic fibrosis death rate should be purely random and unpredictable.
Answers
b) Cystic fibrosis deaths should be less common in the regions with tuberculosis.
If the cystic fibrosis allele provides protection against tuberculosis, similar to how the sickle-cell allele provides protection against malaria, we would expect to see fewer cystic fibrosis deaths in regions with tuberculosis. This is because individuals who are heterozygous for the cystic fibrosis allele would have an advantage in resisting tuberculosis compared to those without the allele. The presence of tuberculosis in a region would select against the cystic fibrosis allele, leading to a lower frequency of cystic fibrosis deaths in regions where tuberculosis is prevalent.
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Respond with at least 120 words.
Find a scientific or news article that provides examples of
selective breeding and let us know why you chose it.
Answers
I have chosen an article titled "Selective Breeding in Livestock: Advantages, Limitations, and Applications" published in the journal Frontiers in Genetics.
The article "Selective Breeding in Livestock: Advantages, Limitations, and Applications" offers a valuable exploration of selective breeding practices in livestock. It discusses the advantages of selective breeding, such as the improvement of desirable traits, increased productivity, and disease resistance. The article also addresses the limitations and challenges associated with selective breeding, including reduced genetic diversity and potential negative effects on animal welfare in GMO technologies. Moreover, the article presents various real-world examples of selective breeding in livestock, ranging from dairy cattle and poultry to pigs and sheep. These examples highlight the practical applications of selective breeding techniques in achieving specific breeding goals and meeting the demands of the livestock industry.
I chose this article because it provides a comprehensive and scientifically grounded examination of selective breeding in the context of livestock. It offers a balanced view by discussing both the benefits and limitations of this practice. Additionally, the inclusion of real-world examples adds practical relevance to the topic. Overall, this article serves as a reliable and informative resource for understanding the concepts and applications of selective breeding in livestock.
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The least numerous but the largest of the papillae are arranged as a V-shape on the posterior dorsal surface of the tongue. They contain the majority of taste buds and are called ________ papillae. papiform filiform fungiform vallate foliate
Answers
The least numerous but the largest of the papillae are arranged as a V-shape on the posterior dorsal surface of the tongue. They contain the majority of taste buds and are called vallate papillae.The tongue is an organ located in the oral cavity, where it performs numerous functions.
It assists in mastication, swallowing, and talking. The upper surface of the tongue is rough and hairy because it is covered with thousands of papillae. The papillae can be classified into four different types depending on their structure, size, and function. These are filiform, fungiform, vallate, and foliate papillae.The filiform papillae are small and conical and are present on the anterior dorsal surface of the tongue. They do not contain taste buds but are responsible for providing a rough surface on the tongue that is useful for holding food and detecting textures.
The fungiform papillae are mushroom-shaped and are scattered among the filiform papillae. They contain taste buds and are responsible for detecting different tastes such as sweet, sour, salty, and bitter. They are present on the anterior dorsal surface of the tongue.The vallate papillae are the least numerous but the largest of the papillae. They are arranged as a V-shape on the posterior dorsal surface of the tongue. They contain the majority of taste buds and are responsible for detecting bitter tastes. They are located on the border between the anterior and posterior portions of the tongue.
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deficiency symptoms of molybdenum in photosynthesis
Answers
Answer:
Molybdenum deficiency symptoms in most plants are associated with a build-up of nitrate in the affected plant part. This is a result of poor nitrate reductase activity. Symptoms include: pale leaves with interveinal and marginal chlorosis (yellowing) and necrosis (scald);
A group of students set up the following lab to demonstrate the effect of solar heat on the ocean.
URGENT. NEED IT NOW.
Answers
The effect of the ocean the water current in the experiment is heated from the bottom while the ocean is heated from the top. The correct option is c.
What is solar heat?Solar heating refers to the process of using sunshine to warm water or indoor air. Solar heating comes in two flavors: passive and active.
Active solar heating systems transmit the heated fluid—either liquid or air—directly to the interior area or to a storage system for later use. An auxiliary or backup system delivers the extra heat if the solar system is unable to offer sufficient space heating.
Therefore, the correct option is c.
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Explain how Earth's magnetic field is created. Include how the composition of the core and state of matter (solid, liquid, gas) influences it.
Answers
Answer:
The Earth's magnetic field is generated in the fluid outer core by a self-exciting dynamo process. Electrical currents flowing in the slowly moving molten iron generate the magnetic field.
Explanation:
A company has an inventory of 1,400 assorted parts for a line of missiles that has been discontinued. The inventory cost is $74,000. The parts can be either (a) remachined at total additional costs of $27,500 and then sold for $34,000 or (b) sold as scrap for $5,500. Which action is more profitable? Show your calculations.
Answers
The following are the calculations to solve the problem that involves a company that has an inventory of 1,400 assorted parts for a line of missiles that has been discontinued. The inventory cost is $74,000.
The parts can be either (a) remained at a total additional cost of $27,500 and then sold for $34,000 or (b) sold as scrap for $5,500.
Let us solve the problem in the following steps:
Step 1: Calculate the Profitability of Option A - re-machining
Solution:
Total Cost of Remachining= $74,000 + $27,500 = $101,500
Profit from Selling= $34,000*1400 = $47,600,000
Profitability= Profit from Selling - Total Cost of Remachining= $47,600,000 - $101,500= $47,498,500 Step
2: Calculate the Profitability of Option B - Selling as Scrap
Solution:
Profitability of Selling as Scrap = $5,500*1,400= $7,700,000 Comparing the two options, Option A is more profitable than Option B as shown below: Option A: $47,498,500Option B: $7,700,000.
Therefore, the company should go for Option A and machine the parts for a profitable business venture.
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In order to convert prairie grass to bioethanol, what is needed after breaking down cellulose to simple sugars?
A. fermentation
B. cellulase
C. amylase
D. protease
Answers
Answer:
fermentation
Explanation:
When you ferment there will be chemical break down of the substance
What does the term organic mean? *
something that contains carbon
something that is alive
something that contains organelles
something that moves
Answers
something that is alive
Answer:
Something that is alive
These are parents, parents of parents, etc.
Answers
Answer:
grandgrandpa or grandgrandma
Explanation:
Answer:
Great grandpa or great grandma
Explanation:
Your parents parent is your grand—- so thier parents are your great grand ——