An ecosystem is unlikely to be limited by the supply of _____ because it is obtained from the air. (Concept 55.4)carbonnitrogencalciumwaterphosphorus
Answers
Answer_ carbon
Related Questions
What are one of the main uses of this device ?
Answers
What are the products of cellular respiration?
A. Oxygen, carbon dioxide, and water
B. Glucose and ATP
C. Energy, carbon dioxide, and water
D. NADPH and oxygen
Answers
Your answer is going to be A
To check for a torn ligament, it would be best to use
Answers
The finches on the
Galapagos Islands
were similar in form
except for variations in
their beaks. Darwin
observed that these
variations were useful
for
A. Attracting a
mate
B. Defending
territory
C. Building nests
D. Gathering food
Answers
Answer: D, gathering food
Explanation:
Inherited traits are passed down from our parents to us, their offspring, by the information that is coded in our parents’ _____.
Answers
Explanation: your eye color, hair color, how tall, etc are all determined by DNA in your genes, located in the chromosomes.
HELPPP!!!
write a narrative where the main character is a carbon atom; your story will follow the carbon atom from when its produced, is transformed in photosynthesis and then transformed again in cellular respiration. the "moral" of the story should be how the three cycles interact.
Answers
The removal of waste products and the replenishment of the ecosystem with the nutrients required for life are carried out by these three cycles, which function in harmony.
How are each cycle related to the others?The biogeochemical cycles on Earth link the planet's energy and molecules into ongoing cycles that support life. The fundamental components of life, including water, oxygen, carbon, sulfur, nitrogen, and phosphorus, are recycled and re-enter their respective cycles on a regular basis.
What functions do the plants play in each of these three cycles?Explanation: Through photosynthesis, plants produce their own food, expand, and release oxygen by absorbing carbon dioxide, water, and sunshine. They play a major role in maintaining the purity of our air.
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plz like last time its hard and I jus wanna get at least a 70% plz ill mark u whatever is on here jus plz help i wanna finish.
Which is NOT a function of the skeletal system?
A) Support the body.
B) Protect vital organs.
C) Separate and eliminate waste.
D) Serve as a framework for the attachment of muscles.
Starting with its basic building blocks, which is the correct order of the levels of organization within the muscular system?
A.) skeletal muscle cells --> skeletal muscls tissues --> skeletal muscles
B.) smeletal muscles --> skeletal muscles cells --> skeletal muscle tissues
C.) skeletal muscle tissues --> skeletal muscles --> skeletal muscle cells
D.) skeletal muscles cells --> skeletal muscles --> skeletal muscle tissues
Which two organ systems work together to provide a structural framework for movement?
A.) skeletal and muscular
B.) muscular and endocrine
C.) integumentary and skeletal
D.) endocrine and integumentary
At which location do bones come together?
A.) joints
B.) biceps
C.) triceps
D.) tendons
Which structures make up the skeletal system?
A.) bones and tendons
B.) bones and ligaments
C.) muscles and tendons
D.) muscles and ligaments
Answers
Answer:
Separate and eliminate wasteSkeletal muscle cells-->Skeletal muscle tissue-->Skeletal muscleSkeletal and muscular.JointsBones and ligaments.Explanation:
Separating and eliminating wastes is the function of excretory system.
The level of organization
Cells-tissue-organ-organ system-organism
Joint is a place where to bones meet.
Bones amd ligaments make up the Skeletal system.
Hope this really helps. ❤❤❤
Allopatric speciation occurs when
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Allopatric speciation occurs when genetically related populations inhabit widely separated geographical areas, option A is correct.
In this process, a physical barrier such as a mountain range, river, or ocean isolates a population, preventing gene flow between them. Over time, genetic variations accumulate independently in each isolated population due to different selective pressures, mutations, and genetic drift.
These accumulated genetic differences can eventually lead to reproductive isolation and the formation of new species. Geographical separation plays a critical role in allopatric speciation by creating distinct environments that drive divergent evolution. As the separated populations adapt to their specific environments, they undergo genetic divergence, ultimately resulting in the formation of distinct species incapable of interbreeding, option A is correct.
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The complete question is:
Allopatric speciation occurs when
A. Genetically related populations inhabit widely separated geographical area
B. Genetically unrelated populations inhabit widely separated geographical area
C. Genetically related populations inhabit widely same geographical area
D. Genetically unrelated populations inhabit widely same geographical area
A protein with a high percentage of lysine and arginine residues would be best purified and concentrated with which type of column?
Answers
To purify and concentrate a protein with a high percentage of lysine and arginine residues, an ion exchange column would be the best choice. Ion exchange chromatography separates proteins based on their net charge at a specific pH.
In this case, lysine and arginine residues have positive charges at neutral pH. Therefore, an anion exchange column should be used. An anion exchange column is packed with a positively charged resin that binds to negatively charged molecules.
Here's a step-by-step process of purifying and concentrating the protein using an anion exchange column:
1. Prepare the protein sample: Extract and isolate the protein from its source using techniques such as cell lysis and centrifugation.
2. Adjust the pH: Ensure that the pH of the protein sample is compatible with the anion exchange column. Most anion exchange columns work best at neutral or slightly acidic pH.
3. Load the sample: Apply the protein sample to the anion exchange column. The positively charged residues (lysine and arginine) in the protein will bind to the negatively charged resin in the column.
4. Wash the column: Remove any unbound contaminants or impurities by washing the column with a buffer solution. The buffer composition and pH should be optimized to promote binding of the target protein and wash away unwanted substances.
By following these steps, a protein with a high percentage of lysine and arginine residues can be effectively purified and concentrated using an anion exchange column. Remember to consider the specific characteristics of the protein and adjust the conditions accordingly to achieve optimal purification and concentration.
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How can ciliated paramecium help each organism to survive?
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Which of the following is NOT a major part of the dorsal mesentery at birth?a. mesotheliumb.dorsalmesogastriumc. dorsal mesoduodenumd.mesentery propere. dorsal transverse mesocolon
Answers
Among the options provided, the dorsal mesoduodenum is NOT a major part of the dorsal mesentery at birth.
The dorsal mesentery is a double-layered membrane that suspends the intestines within the abdominal cavity and provides them with blood vessels, nerves, and lymphatics.
The major components of the dorsal mesentery at birth include:
a. Mesothelium: This is the outer layer of the dorsal mesentery composed of a thin layer of squamous epithelial cells.
b. Dorsal mesogastrium: It is a portion of the dorsal mesentery that connects the stomach and the posterior abdominal wall.
c. Mesentery proper: This refers to the portion of the dorsal mesentery that attaches the small intestine to the posterior abdominal wall.
d. Dorsal transverse mesocolon: It is a part of the dorsal mesentery that connects the transverse colon to the posterior abdominal wall.
Therefore, the dorsal mesoduodenum is not a major part of the dorsal mesentery at birth.
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enveloped viruses are released from the host cell by lysing the host cell which results in immediate cell death.T/F
Answers
The given statement "enveloped viruses are released from the host cell by lysing the host cell which results in immediate cell death." is False.
Enveloped viruses:
Enveloped viruses can be released from the host cell by both lytic and non-lytic processes, such as the budding process. The budding process allows the virus to exit the host cell without immediately causing cell death. During the budding process, the virus acquires its envelope from the host cell membrane, and the newly formed virus particles then leave the cell. This process allows the host cell to remain alive and continue producing more viruses. Lysis of host cell refers to the destruction of the cell, which is more commonly associated with non-enveloped viruses.
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32. Consider the following reaction at equilibrium: \mathrm{CO}_{2}+\mathrm{H}_{2} \mathrm{O} \rightleftharpoons \mathrm{H}_{2} \mathrm{CO} 3 . What would be the effect of adding additional \mathrm{H}_{2} \mathrm{O} ?
a. It would drive the equilibrium dynamics to the right.
b. It would drive the equilibrium dynamics to the left.
c. Nothing would happen because the reactants and products are in equilibrium.
d. Reactions in both the directions will slow down.
Answers
Adding additional \(H_2O\) to the reaction would shift the equilibrium to the right.
Factors affecting chemical equilibriumsFor a chemical reaction in equilibrium, adding more of the species affect the reaction depending on whether the reaction is reversible or otherwise.
For reversible reactions, that is, reactions with the capacity to proceed on both reactants and products' sides, adding more reactants will shift the equilibrium to the right - the product's side. Similarly, adding more of the product will shift the equilibrium towards the reactants' side.
For reactions that are not reversible but in equilibrium, adding more of the reactants will shift the equilibrium to the right - towards the product. Adding more products will have no effect since the reaction cannot proceed backward.
Thus, in this case, one of the products is being added to the reaction. This means that the equilibrium will shift to the right towards the product.
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Then construct a graph of the number of bacteria vs. time in hours.
Answers
Answer:
Explanation:to find this we need the the data of how much time and how much bacteria
Please help! Best answer gets brainlyest! (Plus 25 points)
How many alleles are there for the four main types of human blood?
Answers
Answer:
3 alleles is the correct answer . Blood types = A , B , AB and O .
Explanation:
Human blood type is determined by codominant alleles. There are three different alleles, known as IA, IB, and i. The IA and IB alleles are co-dominant, and the i allele is recessive. The possible human phenotypes for blood group are type A, type B, type AB, and type O.
Answer: 3
Explanation:
They're part of A, B, AB and O.
What will most likely happen if a person does not consume the minimum daily requirement of carbohydrates?
Answers
If a person does not consume the minimum daily requirement of carbohydrates then the body will use stored glycogen and the person will look unhealthy and become weak after some time.
Importance of carbohydrates: Like other nutrients, carbohydrates are also very essential for various functions of the body. Carbohydrates such as glucose are required for instant energy and day-to-day activities. If there is no or less amount of carbohydrate in the body then our body will start converting the glycogen that is stored in the liver into glucose. After some time, the person will start to appear unhealthy, thin and weak if there is no minimum daily requirement of carbohydrates is met.To know more about carbohydrates, refer:
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Drag each label to the correct location on the chart.
Sort the actions and terms based on the type of pollution they directly cause.
Answers
Soil pollution: spreading chemical fertilisers on the ground, flood, mining activity
Which example of carbohydrate is table sugar?
(a) Sucrose
(b) Fructose
(c) Glucose
(d) Galactose
Answers
Table sugar is classified as sucrose. Table sugar is represented by the carbohydrate sucrose, which consists of glucose and fructose molecules linked together.
Among the options provided, sucrose is the correct example of a carbohydrate for table sugar. Sucrose is a disaccharide composed of one glucose molecule and one fructose molecule linked together. It is commonly found in various sweeteners, including table sugar derived from sugar cane or sugar beets.
Fructose, glucose, and galactose are all monosaccharides, which are single sugar molecules. Fructose is a naturally occurring sugar found in fruits and honey, while glucose is a primary source of energy for the body and is present in various foods. Galactose is a component of lactose, the sugar found in milk and dairy products.
Table sugar, or sucrose, is widely used as a sweetening agent in food and beverages. It provides a sweet taste and is often used in cooking, baking, and as a tabletop sweetener. When consumed, sucrose is broken down into its component sugars, glucose and fructose, by enzymes in the body to be utilized for energy or stored for later use.
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Which of the following correctly describes the image below?
A. Protein molecule
B. RNA molecule
C. Amino acid
D. Carboxylic acid
Answers
Answer:
Amino acid
Explanation:
Because Amino acids consist of an amino group (NH2) , carboxylic group (COOH) and radical (R).
Amino acid. Because Amino acids consist of an amino group (NH2) , carboxylic group (COOH) and radical (R).
What are Amino acids?Proteins are made up of substances called amino acids. Proteins and amino acids are the components of life.
Amino acids are the byproducts of the digestion or breakdown of proteins. The body is unable to produce essential amino acids. They must therefore originate from food.
Histidine, isoleucine, leucine, lysine, methionine, phenylalanine, threonine, tryptophan, and valine are the nine essential amino acids. If an amino acid is non-essential, it means that our bodies can still make it even if we don't consume it.
Therefore, Amino acid. Because Amino acids consist of an amino group (NH2) , carboxylic group (COOH) and radical (R).
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Consider the solid phase of the substances listed in the chart. In which substance are the intermolecular forces strongest?
a. helium c. water
b. mercury d. aluminum
Answers
Answer:
it would be A helium I think
Explanation:
does the stomata of a plant allow from the air to enter the leaf tissues?
Answers
True, a plant's stomata permit air to enter the leaf tissues. Little apertures called stomata allow gases to enter and exit leaves. They are commonly located on the undersides of leaves.
What can enter a leaf through the stomata?As this evolutionary development is so crucial to plant identity, almost all terrestrial plants use the same pores, known as stomata, to absorb carbon dioxide and release oxygen. For photosynthesis to occur, the small stomata are necessary. Tens of thousands of them cover the surfaces of the plants.
Does the stomata allow carbon dioxide to enter the leaf?They are essential to photosynthesis because they allow carbon dioxide to enter the leaf and oxygen to leave. Moreover, the stomata aid in transpiration.
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Consider the following two statements about succession.
Student 1:
Matthew - As succession begins, communities tend to be dominated by mostly K-selected species. As succession continues, r-selected species tend to compete better and therefore become more and more common.
Student 2:
Iman - As succession begins, communities tend to be dominated by mostly r-selected species. As succession continues, K-selected species tend to compete better and therefore become more and more common.
Which student is correct?
a. Provide a rationale for your answer (2 marks)
b. Provide a specific example of succession which includes at least one example of an r-selected and one example of a K-selected species. (1 mark)
Note - No marks are earned by simply agreeing with either Matthew or Iman
Answers
what would represent represent the genotype of a heterozygous pea plant?'
A.white
B.purple
C.PP
D.Pp
Answers
Answer:
Pp
Explanation:
rip for my bio grade :(
Answers
Answer:
mRNA
Explanation:
mRNA
Answer:
Awwww sorry I don’t know the answer
Explanation:
Question 1 of 10
Plants make glucose using energy from the sun and two molecules. Which
two molecules do they use?
O A. Ethane and ammonia
O B. Carbon dioxide and water
O C. Nitrogen and oxygen
D. Water and oxygen
Answers
the answer is B carbon dioxide and water
If a individual posses an allele for a diease but does not have the diease this person is known as a
Answers
Answer:
The correct answer is - carrier.
Explanation:
If an individual posses an allele for the disease and does not affect by the disease such a person known as the Carrier of the disease. Such a person only posses one allele of the mutated gene or disease gene and a normal gene in their genotype.
They are mostly heterozygous for the particular trait or disease, therefore, do not get affected by the only allele of the disease gene. Generally, such a disease found in a recessive gene that causes it to masked in a person and carried to the next generation.
A company needs a way to convert 10 years of shipping records currently on paper into files that can be saved to its private cloud storage. what will be the best choice to accomplish this goal with the least amount of employee effort?
Answers
The best choice to convert 10 years of shipping records from paper to digital files with minimal employee effort would be to use an automated document scanning and digitization service.
These services can quickly scan and convert large volumes of paper documents into digital files that can be saved to the company's private cloud storage. This would reduce the amount of manual labor required and ensure accuracy and consistency in the digitization process. Additionally, the company can consider outsourcing this task to a reputable document management company to ensure a smooth and efficient process.
The best choice to accomplish the goal of converting 10 years of paper shipping records into files for private cloud storage with the least amount of employee effort would be to use a document scanning service. This service will efficiently digitize the records and ensure accurate data capture, allowing employees to focus on other tasks.
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I’m am small scale.
And I have scales.
I am an unusual reptile.
..That is, I have winged limbs.
What am I?
Answers
Answer:
I think it is the Draco lizard, buy I am not 100% sure
Explanation:
which molecule acts on brain centers to decrease appetite in mamnmals and other vertebrates
Answers
The molecule that acts on brain centers to decrease appetite in mammals and other vertebrates is called leptin.
Leptin is a molecule that acts on brain centers to decrease appetite in mammals and other vertebrates. It is produced by adipose tissue and regulates energy balance by inhibiting hunger signals and stimulating energy expenditure. When the body's fat stores increase, leptin levels increase, which signals the hypothalamus to decrease appetite and increase metabolism. This feedback loop helps maintain a stable body weight by balancing energy intake and expenditure.
Leptin acts on specific receptors in the hypothalamus, particularly in the arcuate nucleus, to regulate appetite and metabolism. It also influences the release of other hormones involved in regulating energy balance, such as ghrelin, which stimulates appetite, and insulin, which regulates glucose metabolism.
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Describe TWO WAYS technology has created more waste by humans.
I need an answer now.
Answers
Answer:
Hazardous type: This type poses potential threats to the environment and human life. Battery wastes from thrown away technology.
Electronic waste or e-waste describes discarded electrical or electronic devices. Used electronics which are destined for refurbishment, reuse, resale, salvage recycling through material recovery, or disposal are also considered e-waste.