Arthropod characteristics include: segmented bodies, exoskeletons, head with eyes, and jointed appendages.
What is meant by arthropods?Arthropods are one of the phylum of the invertebrate animals. This means that arthropods are animals without backbone and are characterized by the presence of appendages. Unlike the invertebrates, the vertebrates are animals with backbones.
That said, this phylum of invertebrata is largest phylum which has several classes including:
Class arachnidaClass InsectaAnd others.In conclusion, we can now confirm from the explanation given above that the arthropods are invertebrates with segmented body patterns.
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Are r-selected species short lived?
R-selected species are indeed short-lived.
Species whose populations are governed by their biotic potential are called r-selected species.
Biotic potential is defined to be the maximum reproductive capacity of a species under optimum environmental conditions. Environmental resistance, which includes any factor that holds back the increase in number of the population, restricts full expression of the biotic potential of a species.
The defining characteristic of r-selected species is the production of numerous small offspring, followed by exponential population growth. R-selected species mature quickly (thus require little or even no parental care), require short gestation periods, and are short-lived. Members of this group, unlike K-selected species, are capable of reproduction at a relatively young age, but many offspring die before they reach reproductive age.
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Which of these characteristics apply to viruses? Select all that apply.
Viruses do not require nutrients.
Viruses can replicate outside of a cell.
Viruses are larger than bacteria.
Viruses are made of RNA or DNA.
Viruses have a protein coat.
The characteristics that apply to viruses are;
Viruses are made of RNA or DNA.Viruses have a protein coatWhat are viruses?Viruses are microscopic non-cellular structure consisting of a core of DNA or RNA (nucleic acid) surrounded by a protein coat (capsid).
A virus is considered as by non-living because it requires a living host cell to replicate, and often causes disease in the host organism.
Therefore, the characteristics that apply to viruses are;
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What are the steps of gene expression?
A) 1. DNA gives rise to proteins. 2. Proteins make genes. 3. Genes are traits.
B) 1. RNA makes proteins. 2. Proteins catalyze chemical reactions. 3. Chemical reactions result in DNA.
C) 1. DNA forms genes. 2. Genes are expressed proteins. 3. Proteins give rise to RNA.
D) 1. DNA gives rise to RNA. 2. RNA gives rise to proteins. 3. Proteins catalyze chemical reactions that generate traits.
i am not good in this but i will be glad to help your Answer is : A
any difference in traits between individual and organisms
Individuals are unique members of a species that exhibit variations in their physical, behavioral, and genetic traits. Organisms are living entities that exhibit certain characteristics that define them as being alive.
While individuals and organisms are related concepts, there are some differences in their traits. Individuals of a species may exhibit a wide range of physical and behavioral traits that are influenced by genetic, environmental, and other factors. For example, two individual humans may differ in height, eye color, and personality traits. Similarly, two individual plants of the same species may differ in leaf shape, flower color, and growth rate.
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4. What is harder for the astronomer to measure: A galaxy's redshift (indicating recessional velocity) or its distance from Earth? Why? Explain your answer.
Answer:
Its distance from the Earth
Explanation:
Its distance from the Earth is more difficult to measure because to measure it we need the redshift anyways, or we can get a rough estimate by its brightness. To measure the redshift we just need its wavelength and some calculations.
Answer:
its distance from earth is harder
cholesterol, the most abundant steroid in the body, can not be found in which of the following sources? a. eggs b. green beans c. butter d. milk
The answer is b) green beans. Cholesterol is mainly found in animal-based products, while green beans are a plant-based food and therefore do not contain cholesterol. In contrast, eggs, butter, and milk are all animal-derived products and do contain cholesterol.
Cholesterol is a type of steroid that is found in many animal-based foods, including eggs, butter, and milk. However, it cannot be found in plant-based foods such as green beans. While green beans are a nutritious vegetable, they do not contain cholesterol due to the fact that they are a plant and not an animal.
Cholesterol is produced by the liver in the body and is necessary for many important bodily functions, including the production of hormones and cell membranes.
However, high levels of cholesterol in the blood can lead to health problems such as heart disease. It is important to maintain a healthy and balanced diet that includes a variety of foods to ensure that our bodies are getting the nutrients they need.
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What Heterotroph mean?
Answer:
below
Explanation:
An organism whose food needs are met by complex organic substances.
Answer:
an organism deriving its nutritional requirements from complex organic substances.
which of these contain tissues? choose 2 answers: choose 2 answers: (choice a) cells a cells (choice b) organs b organs (choice c) organ systems c organ systems
The two options that contain tissues are (B) Organs and (C) Organ Systems.
The choice (A) Cells is incorrect because cells are the fundamental unit of life, and tissues are a group of cells that are specialized to carry out a specific function. Tissues are a group or layer of cells that work together to perform a specific function. Cells make up tissues.
An organ is a collection of tissues that work together to perform a specific function in the body.
An organ system is a group of organs that work together to carry out a specific function.
Therefore, the correct answer is (B) Organs and (C) Organ Systems.
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Will give brainliest !!! On an alien world you find something that grows it gets warmer overtime and has an organized structure. You have to determine whether it is living or not.
Answer:
look for any neuro responses by stimulating the alien subject to responde the stimulations
Explanation:
What changes in genetic variation in a population are expected after a population bottleneck followed by population growth and a return to the original population size
A population bottleneck occurs when a population is greatly decreased and then rebuilds, resulting in significant genetic drift. A population bottleneck happens when a population's size decreases drastically, resulting in less genetic diversity and causing a subsequent decline in population fitness.
When this occurs, the population's genetic variation is restricted, leading to genetic drift and higher levels of inbreeding. Population growth following a bottleneck event, on the other hand, may allow for new genetic mutations and diversity to accumulate, increasing the diversity of the population. When population size is restored to the initial population size, the newly acquired genetic diversity may be retained as a portion of the original population's genetic variation, depending on the exact conditions of the bottleneck and population growth.
As a result, in a population that has undergone a bottleneck and population growth, the genetic variation would be expected to differ from the original population, with some genetic mutations being more frequent while others being absent or less common.
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*10 points* biology ill give you brainliest if right
Answer: B.
Explanation:
Arrows point to penguin, fish, krill, and other birds.
if t takes P-wave five minutes to travel from the epicenter of an earthquake to seismic station, approximately how long will it take for a S-wave to travel the same distance?
An S-wave would therefore need to travel the same distance from the epicenter to the seismic station in about 8.33 minutes.
S-waves move at a speed that is typically between 60% and 70% that of P-waves. For this computation, a cautious estimate of 60% is used.
We can calculate the time it would take for an S-wave to traverse the same distance if P-waves take five minutes to reach the seismic station by dividing the P-wave time by 0.6:
Time for S-wave equals Time for P-wave / 0.6, or 5 minutes divided by 0.6 results in 8.33 minutes.
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Wood floats on water because it
Answer:
If you compared the weight of wood and an equal amount, or volume, of water the sample of wood would weigh less than the sample of water. This means that wood is less dense than water. Since wood is less dense than water, wood floats in water, no matter how big or small the piece of wood is.
Explanation: If im right can i get Brainlist? You welcome <3
When Luca thinks about how a setting relates to his life, he is
A) explaining the setting.
B) identifying the setting.
C) analyzing the details of the setting.
D) making a connection with the setting.
Answer:
d
Explanation:
Answer:D
Explanation:
Which description applies to post-translational gene regulation? a) a gene cluster controlled by a single promoter that transcribes to a single mRNA strand b) protein modifications such as addition of a functional group, or structural changes such as folding c) processing of exons in mRNA that results in a single gene coding for multiple proteins d) mRNA modifications such as additions of a 5' cap and 3' poly-A tail and removal of introns e) heritable changes in gene expression that occur without altering the DNA sequence
Post-translational gene regulation means protein modifications such as addition of a functional group, or structural changes such as folding. The correct option is Option B.
Post translational gene regulation refers to the control of genes for the expression of protein synthesis at various levels. It may either be reversible events such as post translational modification or may be irreversible events such as proteolysis. These regulations are generally reversible,such as one enzyme adds the modifying group while the another enzyme can remove it. For example, phosphorylation of proteins by enzymes are done by enzymes known as protein kinases, while protein phosphatases remove such phosphate groups. Several other post-transcriptional regulatory mechanisms are known to dictate biofilm development and assembly and these include RNA-binding proteins, small non-coding RNAs, toxin-antitoxin systems, riboswitches, and RNases.
Post-translational modifications (PTMs) such as glycosylation and phosphorylation help in the function of haemostatic proteins and help in curing various diseases. Such secondary level changes to haemostatic proteins have wide ranging effects on their ability to interact with other proteins.
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if the fed sells bonds through its open market operations, then there is
If the Fed sells bonds through its open market operations, then there is a decrease in the money supply. The buying and selling of government securities, such as bonds, by the Federal Reserve Bank in order to influence interest rates and the money supply is known as open market operations.
Open market operations are one of the Federal Reserve System's most powerful and flexible tools for regulating the economy. The Federal Reserve's Board of Governors directs open market operations, which are implemented by the Federal Reserve Bank of New York.
In an effort to increase the money supply, the Federal Reserve typically buys securities, whereas in an effort to decrease the money supply, the Federal Reserve typically sells securities. When the Federal Reserve purchases securities, the amount of money in circulation increases, and interest rates fall. When the Federal Reserve sells securities, the amount of money in circulation decreases, and interest rates rise.
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A student made a model of a cell. First, she filled a clear plastic bag with gelatin.
Then, she added a rubber ball.
What are two limitations of the student's cell model?
A. The model is not as easy to see and hold as a real cell is.
B. The model does not show that cells can contain smaller structures inside
them.
C.The model does not show how a real cell gets the energy it needs to live.
D.The model is made up of materials that are different from those found in
real cells.
What are the two different ways signals are transmitted through the body?
Answer: intercellular signaling and intracellular signaling
Explanation: communication between cells is called intercellular signaling, and communication within a cell is called intracellular signaling.
The number 0.0054 written in scientific notation is
A) 0.54 x 10-3.
B) 0.54 x 103.
C) 5.4 x 10-3.
D) 5.4 x 103.
Answer:
It's C) 5.4 x 10-3
Explanation:
1. Take 0.0054 and move the decimal 3 times to the right
- moving the decimal to the right means you multiply
2. Use your new number, 5.4 and make a new equation
3. Your new equation is, 5.4 times 10 to the 3 power
\(5.4 (10-3)\)\(hope this helps\) ·ω·
The number 0.0054 written in scientific notation is \(5.4 X 10^{-3\). The correct option is C.
In scientific notation, a number is expressed as a coefficient multiplied by 10 raised to a certain power.
The coefficient should be a number greater than or equal to 1 and less than 10. The power of 10 indicates the number of decimal places the original number should be moved to the left or right to obtain the given value.
For 0.0054, we can write it as 5.4 multiplied by 10 raised to the power of -3. This is because we move the decimal point three places to the right to obtain the value 5.4, and the power of 10 becomes -3 to indicate the decimal movement.
So, the number 0.0054 in scientific notation is \(5.4 X 10^{-3\).
Thus, the correct option is C.
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How might biodiversity help an ecosystem recover from a volcanic eruption?
Biodiversity can help an ecosystem recover from a volcanic eruption in several ways:
Increased resilience: Biodiverse ecosystems are more resilient to environmental stressors, such as volcanic eruptions, as they contain a variety of species that are adapted to different conditions. This allows the ecosystem to recover more quickly as different species can fill the gaps created by the eruption and re-establish a balance.
Soil stability: Many plant species have deep roots that help to stabilize the soil and prevent erosion. This is especially important in the aftermath of a volcanic eruption, where the soil can become loose and prone to erosion. A diverse array of plants can help to restore stability to the soil and prevent further damage.
Nutrient cycling: Biodiverse ecosystems have a greater variety of species that are able to process and recycle nutrients, such as nitrogen, phosphorus, and sulfur. This can help to restore the nutrient balance in the ecosystem and support the growth of new vegetation.
Calculate the energy supply of a food ration composed of 130 g of meat, 1 egg of 65g,200g of bread
,120g of lettuce,150g of potatoes,1 orange of 50g, 2 bananas of 100 g
The energy supply of the given food ration is 1331.5 kcal.
To calculate the energy supply of a food ration, we need to use the concept of calories. A calorie is a unit of energy and is defined as the amount of energy required to raise the temperature of 1 gram of water by 1 degree Celsius.
The energy content of food is measured in kilocalories (kcal), which is equal to 1000 calories. We can use the following formula to calculate the energy supply of a food ration:
\($$Energy supply (kcal) = (energy content of meat + energy content of egg + energy content of bread + energy content of lettuce + energy content of potatoes + energy content of orange + energy content of bananas)$$\) where,
energy content of a food item = number of grams × energy density of food (in kcal/g)We can use the following energy density values for different food items:
Meat: 2.5 kcal/gEgg: 1.5 kcal/gBread: 2.5 kcal/gLettuce: 0.2 kcal/gPotatoes: 0.8 kcal/gOrange: 0.5 kcal/gBananas: 1.2 kcal/gNow, let's calculate the energy content of each food item:
Energy content of meat = 130 g × 2.5 kcal/g = 325 kcalEnergy content of egg = 65 g × 1.5 kcal/g = 97.5 kcalEnergy content of bread = 200 g × 2.5 kcal/g = 500 kcalEnergy content of lettuce = 120 g × 0.2 kcal/g = 24 kcalEnergy content of potatoes = 150 g × 0.8 kcal/g = 120 kcalEnergy content of orange = 50 g × 0.5 kcal/g = 25 kcalEnergy content of bananas = 2 × 100 g × 1.2 kcal/g = 240 kcalNow, let's substitute these values in the formula for energy supply:
Energy supply = (325 kcal + 97.5 kcal + 500 kcal + 24 kcal + 120 kcal + 25 kcal + 240 kcal)
Energy supply = 1331.5 kcal
Therefore, the energy supply of the given food ration is 1331.5 kcal.
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A testcross involves an individual exhibiting the dominant phenotype but an unknown genotype being crossed with an individual that has a(n) ___________ genotype.
Answer and Explanation:
You will find the complete answer and explanation in the attached file due to technical problems.
If human hemoglobin with a pI of 6.9 is dissolved in a gel running buffer of pH 9.2; at this pH, human hemoglobin is a toward __during the native agarose gel electrophoresis. and it will migrate anion, anode anion, cathode cation, cathode cation, anode o QUESTION 5 What is the basis of separation of the HbA and HBS in Part B of today's experiment? size difference net charge difference at a particular pH shape difference None of the above QUESTION 6 Which two of the following statements about the separation of molecules are true? Separation of Protein using "Native" or "non-denaturing" gel electrophoresis is on the basis of sizes Separation of Protein using "Native" or "non-denaturing" gel electrophoresis is on the basis of the net charges Separation of DNA molecules using gel electrophoresis is on the basis of the net charges Separation of DNA molecules using gel electrophoresis is on the basis of sizes
When human hemoglobin with a pI of 6.9 is dissolved in a gel running buffer of pH 9.2, the hemoglobin molecule will have a net negative charge due to the difference in pH.
Therefore, it will migrate towards the anode during native agarose gel electrophoresis. This migration is based on the net charge difference between the molecule and the gel matrix.
The basis of separation of HbA and HBS in Part B of the experiment is the shape difference. HbA and HBS have the same size and net charge at the pH used in the experiment, but they differ in their shape due to a single amino acid substitution in HBS. This difference in shape affects their mobility during electrophoresis, allowing them to be separated.
Two true statements about the separation of molecules are: separation of proteins using "native" or "non-denaturing" gel electrophoresis is based on sizes, and separation of DNA molecules using gel electrophoresis is based on sizes. Separation based on net charges is possible using denaturing gel electrophoresis for proteins or by using specific buffer conditions for DNA.
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the substance present in the cell wall is protein true or falseboth animal and plant cells have cell membrane true or False
Answer:
true and true
Explanation:
why is only one nucleotide added at a time during DNA replication?
- to maintain the DNA mutations at an equal rate
- to reduce DNA mutations
- to increase DNA mutations
- to pass DNA mutations to the new cell
Answer:
answers is to increase DNA mutations
this is correct answerl hope it's helpful for u...
Relate dark matter to the development of the universe after the Big Bang. In 3-5 sentences, speculate on how the development of the universe would have been different if there had been no dark matter. In your answer, use the term structures.
The development of the universe would not be able to move or function if there had been no dark matter.
What is Universe?This is referred to as the space, energy and matter present in space and is also everything we can feel, touch or see. Examples of the constituents include stars, planet etc and they have their unique properties and functions.
Without the presence of the dark matter in the universe, there will be no formation of the larger versions of those galaxies and the universe won't be able to move or function thereby making it the correct choice.
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Compare photosynthesis and cellular respiration in terms of the energy used and the energy stored.
In photosynthesis energy from the sun is converted into chemical energy that can be used for food. In Cellular respiration mitochondria of organisms (animals and plants) to break down sugar in the presence of oxygen to release energy in the form of ATP.
In photosynthesis the energy from the sun is captured in the bonds of organic molecules. While in Cellular respiration Glucose will be used by the process of cellular respiration to harness chemical energy stored within the covalent bonds of the sugar. During Process of respiration, oxygen and glucose yield water and carbon dioxide, while carbon dioxide and water yield glucose and oxygen during the process of photosynthesis.
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All of the following are true of hospitals in the United States, except: _____________
a. the average length of stay has declined substantially in recent decades.
b. the percentage of hospital services provided to outpatients has increased substantially in recent decades.
c. hospitals are owned and operated as governmental or not-for-profit institutions, but they are not owned by for-profit corporations.
d. hospitals receive a greater percentage of the healthcare dollar than any other healthcare institution.
There are different kinds of Healthcare system. The true statement about hospitals in the United States is that Hospitals are owned and operated as governmental or not-for-profits institutions but they are not owned by for-profit corporations.
U.S. Healthcare coverage is known to be divided into 2 part. They are;
Public healthcare (government-funded) Private healthcare (privately-funded)Hospitals often offer basic care to the sick. They treat illness and do simple surgery. Their work includes removal of gallstones etc. The hospitals are not set up to make profit but too help people.
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Mad scientists Ms. Jones & Ms. Peek studied how a catalyst affects the rate of a chemical reaction. The data table below shows their results
Amount of Catalyst (mg)
Reaction Time (s)
10
60.3
20
47.7
30
31.8
40
22.6
Which statement correctly describes the pattern in the data (AKS 1a1)(DOK 1)
Question 25 options:
a. The catalyst did not affect the rate of the reaction.
b. The more catalyst added, the slower the rate of reaction
c. The more catalyst added, the faster the rate of the reaction
d. If 50 mg of catalyst were added, the reaction would take less than 22.6 seconds
Answer:
b. Cu cât se adaugă mai mult catalizator, cu atât viteza de reacție este mai RMEA
Explanation:
Why were garden peas a good choice for a study of heredity?
Answer:
pea plants because they were easy to grow, could be bred rapidly, and several observable characteristics, like petal color and pea color.
Explanation: