Answer: Overfishing is density dependent.
Overfishing is density dependent because as the number of fish decreases, the negative effects of overfishing become stronger. When there are a lot of fish, they can reproduce and replenish their population. However, if too many fish are caught and the population becomes small, it becomes difficult for them to reproduce enough to sustain their numbers. This makes the impact of overfishing even more harmful and harder for the fish population to recover.
The Yellowstone wolf and elk are linked through a predator-prey relationship. If a disease were to strike the elk population, how would the wolves be affected? Explain the effect in short term and long term consequences.
Answer:
The wolves would be effected also. They would be effected by eating the elk.
Explanation:
Short term: They would eat the elk.
Long term: It would cause the wolves to get sick so they could go extienct if the dissease if that bad or they would have to stop eating elk.
A plant can produce either purple flowers or white flowers. The purple flower color is dominant over the white flower color. What is the ratio of the offspring with purple flowers to the total number of offspring if two plants that are heterozygous for purple flowers are crossed?
1:4
2:4
3:4
4:4
Answer:
the answer is c and not d
Explanation:
Cells actively involved in secreting proteins would contain large numbers or quantities of ________.
Cells producing huge portions of proteins would have numerous nucleoli. One potential explanation that the proteome is such an ample deal bigger than the genome is that mRNAs can be grafted in elective ways in this manner expanding the Digi of items paid from a clear rate.
Ribosomes are especially plentiful in cells that orchestrate a lot of protein. For instance, the pancreas is answerable for making a few stomach-related catalysts and the cells that produce these compounds contain numerous ribosomes.
Cells that successfully produce proteins have various ribosomes in the cytoplasm, which give it a dull blue tone (basophilia) when stained with Wright stain. Cytoplasmic basophilia is especially unmistakable in erythroid forerunner cells when hemoglobin and other cell parts are effectively orchestrated.
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Which of the following statements concerning chromosomes is/are true? Select all that apply.
selectk All That Apply
Chromosomes are composed of DNA and packaging proteins called histones so they may fit tightly into the nucleus of a cell.Chromosomes are composed of DNA and packaging proteins called histones so they may fit tightly into the nucleus of a cell.
Located on each chromosome are segments of DNA known as genes or units of inheritance that code for functional products.Located on each chromosome are segments of DNA known as genes or units of inheritance that code for functional products.
Homologous chromosomes contain the same genes and the same allele combination.Homologous chromosomes contain the same genes and the same allele combination.
DNA replication occurs prior to the cell cycle, in which copies of each homologous chromosomes are made and each of these copies are called sister chromatids.DNA replication occurs prior to the cell cycle, in which copies of each homologous chromosomes are made and each of these copies are called sister chromatids.
After replication, sister chromatids, which are identical copies of a chromosome, contain identical allele combinations.After replication, sister chromatids, which are identical copies of a chromosome, contain identical allele combinations.
The ultimate purpose of sexual reproduction and replicating chromosomes is to pass on a copy of a cell’s genes to the next generation of cells within the body.The ultimate purpose of sexual reproduction and replicating chromosomes is to pass on a copy of a cell’s genes to the next generation of cells within the body.
The true statements concerning chromosomes are:
1. Chromosomes are composed of DNA and packaging proteins called histones so they may fit tightly into the nucleus of a cell.
2. Located on each chromosome are segments of DNA known as genes or units of inheritance that code for functional products.
3. Homologous chromosomes contain the same genes and the same allele combination.
4. DNA replication occurs prior to the cell cycle, in which copies of each homologous chromosomes are made, and each of these copies is called sister chromatids.
5. After replication, sister chromatids, which are identical copies of a chromosome, contain identical allele combinations.
6. The ultimate purpose of sexual reproduction and replicating chromosomes is to pass on a copy of a cell's genes to the next generation of cells within the body.
1. Chromosomes are composed of DNA and histones, which are proteins that help in packaging the DNA. This packaging allows the long DNA molecule to fit tightly into the nucleus of a cell.
2. Genes are located on chromosomes. They are segments of DNA that contain instructions for building functional products like proteins. These genes serve as the units of inheritance, carrying genetic information from one generation to the next.
3. Homologous chromosomes refer to the two copies of each chromosome in a diploid cell. While they contain the same genes, they may have different alleles, or versions of those genes, which contribute to genetic variation.
4. DNA replication occurs before the cell cycle. During replication, each chromosome's DNA is copied, resulting in two identical sister chromatids attached at a central region called the centromere. This ensures that each daughter cell receives a complete set of chromosomes during cell division.
5. Sister chromatids are exact copies of each other because they are formed through DNA replication. They contain identical allele combinations since they originated from the same chromosome.
6. The purpose of sexual reproduction and the replication of chromosomes is to pass on a copy of the cell's genes to the next generation of cells within the body. This ensures the transmission of genetic information, allowing for the development of new individuals with unique combinations of genes.
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Pls help with this pic is there
Answer:
B
Explanation:
B is the correct answer. A molecule is made up of at least two atoms, but not nessessarily with the same element. A compound is made up of two or more atoms AND there are at least two different elements. Therefore, a molecule can be a compound if it has two different elements, or a chemical substance if it has only one type of element.
* By the way, elements are from the Periodic Table
Or you can use the process of elimination to rule out A, C, and D, if it's too confusing. C is not true because not all elements exists as molecules. They exist as atoms. D is not true because when two atoms combine, they always form a molecule, not a compound. A is not true because a compound IS a molecule, while a molecule CAN BE a compound.
Which is a nonrenewable resource? *
cotton
minerals
wool
air
39. The process by which light is trapped and converted to chemical energy iscalledA. cellular respiration.B. photosynthesis.C. the Calvin cycle.
Photosynthesis is the process by which plants trap light energy through their pigments and together with carbon dioxide and water generate a carbohydrate (chemical energy).
That is, photosynthesis is the process in which light energy is converted into chemical energy in the form of sugars.
we can conclude that the correct answer is:
Answer:B. photosynthesis.
explain the differences observed between transport of molecules through ion channels vs. by protein-mediated facilitated diffusion, especially in terms of how the concentration gradient affects transport rate.
The main difference between these two mechanisms is that ion channels are passive, meaning that they do not require energy to open or close.
Protein-mediated facilitated diffusion, on the other hand, requires energy in the form of ATP to maintain the protein's conformation and allow for transport. Additionally, Ion channels are highly selective for specific ions and are not affected by the size and shape of the molecules, whereas facilitated diffusion is not selective and can transport any type of small molecules.
In summary, transport of molecules through ion channels and protein-mediated facilitated diffusion are two different mechanisms by which molecules can cross the cell membrane. The rate of transport for both mechanisms is determined by the concentration gradient of the molecules, with a higher concentration resulting in a higher rate of transport. The main difference between the two is that ion channels are passive and selective, while protein-mediated facilitated diffusion is active and not selective.
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Which question below fits with the correct dimensional analysis above?
A.I have 2 bags of product and each bag weighs 0.5 pounds. If I can sell each ounce of product for $100, how much money will I make ?
B. I have 16 bags of product and each bag weighs 0.5 pounds. If I can sell each ounce of product for $100 how much money will I make?
C. I have $1600 and customers buy each ounce of product for $100. If each bag of product weighs 0.5 pounds how many bags of product will I have?
D. I have 2 bags of product and each bag weighs 100 pounds if I can sell each ounce of product for $100 how much money will I have?
All of the following structures are involved in motility, except
Multiple Choice
microvilli.
cilia.
microtubules.
microfilaments.
flagella.
All of the following structures are involved in motility except microvilli.
What is motility?Motility, the ability of to an organism to move in the independently, using to the metabolic energy, can be the contrasted with sessility, by the state of organisms that is to do not possess a means of the to the self-locomotion by the and are normally immobile. Motility differs and it is from mobility, to the ability of an object to be moved.
Microvilli are thin non-motile structures or other membrane protrusions which help in absorption and are present inside the cell on the surface
Whereas all other structures has motility
So answer is microvilli.
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__________ is uncontrolled cell growth.
Answer:
Cancer
Explanation:
Hope this helps :))
What is the function of the cell wall?
A. to contain the genetic information of an organism
B. to package proteins in an animal cell
C. to transport materials throughout a cell
D. to provide structural support for a plant cell
Answer:
D
Explanation:
the answer is d the cell wall provides support and protection
An examination of a marine sea star that had died after it was mistakenly placed in fresh water would likely show that it died because ________.
An examination of a marine sea star that had died after it was mistakenly placed in freshwater would likely show that it died because it was so hypertonic to the freshwater that it could not osmoregulate
Hope that helps!
Wildfires open a new seedbed that can be used for new plant growth. please select the best answer from the choices provided t f
Wildfires open a new seedbed that can be used for new plant growth is a correct statement.
Wildfires are an unavoidable element of many ecosystems. They are nature's technique of removing dead debris from forest floors. This permits critical nutrients to return to the soil, allowing plants and animals to start fresh. Fires are also vital in the reproduction of some plants. Certain plant species can reproduce by breaking their seeds as a result of wildfires. Wildfires create a new seedbed for the creation of new plants. To sustain healthy forest ecosystems, all wildfires must be avoided.
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The farther away from the equator you are the _________ energy is transferred from the sun to the ocean surface. fill in the blank
A. More
B. Less
C. No Energy
Answer:
B
Explanation:
Less because the energy through the sun and also to the ocean surface
Answer:
B.less
Explanation:
The further a location is from the equator, the less sunlight that location receives to heat the atmosphere and thus, the temperature is colder. The reason that higher latitudes receive less sunlight is due to the shape of Earth.
IT HAS AN IMAGE SO ANSWER MY QUESTION IM STUCK ON THIS DAM N QUESTION
A sequence of RNA is shown below:
5′ AUG GGG AAG UGU UGG 3′
Using the codon chart, what is the sequence of amino acids that is produced when this RNA is translated?
Choose 1 answer:
Choose 1 answer:
(Choice A)
A
Met - Gly - Asn - Cys - Tyr
(Choice B)
B
Ile - Gly - Lys - Trp - Stop
(Choice C)
C
Met - Gly - Lys - Cys - Trp
(Choice D)
D
Tyr - Pro - Phe - Thr - Thr
Answer:
its c hun
Explanation:
When a chemical reaction does not occur, what happens to the atoms of the reactants
Answer:
In a chemical reaction, the atoms and molecules that interact with each other are called reactants. ... No new atoms are created, and no atoms are destroyed. In a chemical reaction, reactants contact each other, bonds between atoms in the reactants are broken, and atoms rearrange and form new bonds to make the products.
Explanation:
la barrera de Linfocitos B
Answer:Cada linfocito B, al ser activado, produce un anticuerpo específico. El cuerpo tiene millones de linfocitos B diferentes capaces de detectar antígenos distintos. Sin unas barreras de defensa a punto y en forma, no tendríamos manera de combatir los agentes extraños que ingresan en nuestro cuerpo desde el exterior.
Explanation:
Explain how this experiment models a cell membrane. Use the following terms in your explanation: selectively permeable, hypertonic, diffusion, indicator.
The cell membrane is considered the outer boundary of the cell and is selectively permeable, allowing diffusion of gases such as oxygen and carbon dioxide, water and micronutrients.
How can cell membranes ensure a certain permeability?Cell membranes are said to be selectively permeable because only certain molecules can pass through them. Only certain types of molecules, such as water and gas molecules, can pass directly through cell membranes.
Model membrane system:
The properties of lipids in membranes have been demonstrated in detail using a membrane model system. Multilamellar liposomes are one of the most commonly used model membrane systems.
See below for more information on cell membranes.
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You have a pt with Addison's Disease. Upon re-entering the room, the pt is exhibiting confusion, ABD pain, weakness, and has a BP of 80/50. What is this pt showing S/S of? What is the main priority? What are 3 things you are going to do for that priority?
The patient with Addison's Disease is showing signs and symptoms of an adrenal crisis, which is a life-threatening condition that requires immediate medical attention. The main priority is to stabilize the patient's blood pressure and restore fluid and electrolyte balance.
The patient with Addison's Disease is showing signs and symptoms of an adrenal crisis, which is a life-threatening condition that requires immediate medical attention. The main priority is to stabilize the patient's blood pressure and restore fluid and electrolyte balance.
Three things that can be done for this priority are:
Administer intravenous fluids: This can help restore fluid and electrolyte balance, and improve blood pressure.
Administer glucocorticoids: This can help replace the cortisol that the adrenal glands are not producing, and can also help reduce inflammation and stabilize blood pressure.
Monitor vital signs and electrolytes: Regular monitoring of the patient's blood pressure, heart rate, and electrolyte levels can help ensure that the patient is responding to treatment and that their condition is improving.
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When is cytokinesis complete?
A. When 2 daughter cells are produced
B. When 2 nuclei have formed
C. When the Chromosomes have duplicated
D. When the spindle fiber has formed
Thanks to whoever lol
Some organelles, such as the endoplasmic reticulum and Golgi bodies, have a large and folded structure. What is an advantage of these organelles having a folded structure?
Answer:
Explanation:
In endoplasmic reticulum, many folds leads to an increase in surface area for ribosomes to attach which allows for protein synthesis to occur at an efficient rate.
mitochondria has two membrane,
It has an inner membrane which is folded inside the other. The fold create cristae, which is the site for a portion of cellular respiration.
The folds also enables a large surface area that makes chemical process to occur in an efficient way.
What are the cells doing during cellular respiration.
is the carbohydrate group of this epitope reducing or non reducing
An epitope is a specific binding site on an antigen that stimulates an immune response. In addition, carbohydrates are organic compounds that are classified as aldehydes or ketones of polyhydric alcohols.
A carbohydrate epitope is a specific binding site on a carbohydrate that can stimulate an immune response. Finally, reducing sugars are carbohydrates that have a free aldehyde or ketone group and are able to reduce certain substances. As a result, the carbohydrate group of this epitope is reducing. The epitope's carbohydrate group is a reducing sugar.
Epitopes can be found on various molecules, including proteins, carbohydrates, lipids, and nucleic acids. They are typically small, specific regions of these molecules that possess unique structural features. The binding between an epitope and an antibody or immune cell receptor is highly specific, similar to a lock-and-key mechanism, where the epitope fits into the corresponding binding site on the antibody or receptor.
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Answer:
Is the carbohydrate group of this epitope [Glc(? 1-1)] reducing or nonreducing, and why? Yes, because glucose is always reducing.
Which statement best describes an example of how society influences
science and engineering?
A. People who prevent mosquito bites by using mosquito netting
have a lower risk of illness.
B. Many people believe the benefits of using genetically modified
organisms outweigh the risks.
C. Researchers found that the Aedes aegypti species of mosquito
was responsible for transmitting diseases such as malaria.
D. Governments funded research to reduce the spread of mosquito-
borne illnesses.
The statement that best describes an example of how society influences science and engineering is: Many people believe the benefits of using genetically modified organisms outweigh the risks; option B.
What is science and engineering?Science is a systematic process or body of knowledge which is studies the natural phenomena as well as which aims to give explanations through observation and reproduction of the observations universally.
Engineering involves using the knowledge of science to produce practical equipment to solve the problems of man.
The field of science and engineering are affected by societal values.
Based on the given options, society affects science and engineering as follows:
B. Many people believe the benefits of using genetically modified
organisms outweigh the risks.
In conclusion, the views of the society affect scientific research.
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In a forest, a storm knocks down a tree, exposing part of the ground to sunlight. how will the forest community in that area respond to the eternal factor of sunlight ?
Answer:
Plants near the ground will grow faster, providing more biotic resources for animals near the ground.
Explanation:
When a tree falls down in a forest due to a storm, it exposes a part of the ground to sunlight. Sunlight is an external factor that can influence the growth of plants in the area. As a result, the plants near the ground will start growing faster.
In what ways are organisms influenced by the resources in their ecosystem?
Explanation:
Ecologists have found that interactions among organisms come in several different forms. In antagonistic relationships, organisms compete for resources, spread disease to their neighbors, or consume each other. In other cases, species with large structures become habitats for smaller organisms.
what are the most economically 'productive disasters'?
Answer:
1. Disasters increase scarcity and reduce the output of economies.
In simplest terms, inputs are necessary for outputs; fewer inputs means fewer outputs. When a disaster damages or destroys resources – whether labor, capital, or natural resources – total production in the economy must fall.
The production possibilities frontier (PPF) is used by economists to model “production possibilities” – the output possible in an economy making full use of its available resources. The PPF shrinks when disasters reduce the availability of the resources used to make goods and services.
Explanation:
How can we use what we learned about studying behavior in bees or baboons to design an
experiment that will help us understand whether boldness is inherited (controlled by DNA) or
learned in juncos? (Paragraph form)
This knowledge can be used to find patterns of behavior that match with variations in the DNA sequence of these species by association studies. These variations are known as nucleotide polymorphisms.
Association mapping is a genetic strategy used to link genetic variation (i.e., the variation in the order of nucleotides in the DNA sequences) to specific phenotypes.
Moreover, behavioral genetics is a subdiscipline of genetics that studies the association of genetic and environmental factors with specific behaviors.
Association mapping can be used to detect nucleotide polymorphisms in quantitative trait loci and thus correlate them with specific patterns of behavior in natural populations.
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All monomers are comprised largely
of...
A. sugars.
B. carbon.
C. water.