HELP 45 points can someone please help me make a concept map including everything in the page below
Answers
The Plasma membrane is a Phospholipid bilayer that is best described using the Fluid mosaic model. It has the feature of Selective permeability.
Passive transport takes place by Diffusion down a Concentration gradient such as by means of Channel proteins such as aquaporins.
Active transport makes use of Transport proteins.
In solutions of different solute concentrations, water moves in or out of the cell by osmosis.
In an Isotonic solution, no net movement of water occurs.
In a Hypertonic solution, water moves out of the cell.
In a Hypotonic solution, water moves into the cell.
Cells take in substances by Endocytosis and remove particles by Exocytosis.
Phagocytosis is a form of Receptor Mediated Endocytosis
Pinocytosis is the endocytosis of fluids.
What are concept maps?A Concept map is a tool that is used to describe or explain a concept or groups of concepts by showing how these concepts are related to each other.
The given concept map is that of the plasma membrane, the semipermeable membrane enclosing the cells of living organisms.
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Related Questions
Which sentence best describes the production of oxygen gas (0₂) by one of
the light reactions?
O
O
A. ATP molecules made by the thylakoids react with water molecules
to produce O atoms and H* ions.
B. Energized electrons from chlorophyll are transferred to water
molecules, releasing oxygen gas (0₂).
C. Hydrogen ions (H*) build up inside the thylakoids until they cause
water molecules to split into atoms of O and H.
OD. Photons of light absorbed by chlorophyll provide the energy to
split water molecules, forming O2 and H+.
Answers
During light-dependent reactions, photons from sunlight exhite electrons that move along the electron transporter chain. D) Photons of light absorbed by chlorophyll provide the energy to split water molecules, forming O₂ and H+.
What are the light-dependent reactions?
Photosynthesis involves two stages: light-dependent and light-independent reactions.
Light-dependent reactions occur in the thylakoids.
During these, oxygen is released, while ATP and NADPH are produced. Both of them are used during light-independent reactions.
Photosynthetic pigments are in charge of light absorption.
When sunlight reaches the pigments, electrons get excited by photons and move along the electron transport chain, placed in the thylakoid membrane.
As chlorophyll donates electrons when they get excited, new electrons provided by water molecules replace the excited ones.
Water splits into oxygen and two protons in the thylakoid space.
The final products are oxygen, ATP, and NADPH.
The correct option is D) Photons of light absorbed by chlorophyll provide the energy to split water molecules, forming O₂ and H+.
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discuss the conclusion paragraph
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Explanation:
•Your opinion
•Your feelings
Different seedless plants are grouped based on which characteristic?
A. stem features
B. spore population
C. plant coloring
D. leaf arrangement
Answers
I hope this helps
Is vegetable oil a carbohydrate, protein, or lipid or none of the above? if not explain why?
Answers
Answer:
lipid
Explanation:
vegetable oils are 100% fats, and contain no protein or carbohydrates.
Vegetables oils are lipids in nature.
What are the functions of lipids?Fats, waxes, sterols, fat-soluble vitamins, monoglycerides, diglycerides, phospholipids, and other naturally occurring molecules are included in the large class of molecules known as lipids.
Lipids are fatty substances that have many different jobs to do in your body. They are a component of your cell membranes and aid in regulating what enters and exits your cells. They aid in producing hormones, absorbing vitamins, and transporting and storing energy.
Lipids serve the body's needs for energy storage, hormone regulation, nerve impulse transmission, protection of sensitive organs, and the transportation of fat-soluble nutrients.
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The elements produced in stars by nuclear fusion are called_________
Othe light elements
O the heavy elements
Othe carbonic elements
Ohydrocarbons
Answers
The production of chemical elements within stars through nuclear fusion reactions is known as stellar nucleosynthesis. Since the initial generation of hydrogen, helium, and lithium during the Big Bang, stellar nucleosynthesis has taken place.
The elements produced in stars by nuclear fusion are called the light elements
What elements are created by nuclear fusion in stars?Fusion occurs in three stages in stars like the Sun. In the first, deuterium is created when two hydrogen atoms combine. The deuterium is then fused with another hydrogen atom to produce a rare isotope of helium with a nucleus made up of two protons and one neutron.The nuclei of two atoms come together in a nuclear fusion process to form a brand-new atom. Most frequently, two hydrogen atoms will combine to form a helium atom in the center of a star.The production of chemical elements within stars through nuclear fusion reactions is known as stellar nucleosynthesis. Since the initial generation of hydrogen, helium, and lithium during the Big Bang, stellar nucleosynthesis has taken place.To learn more about : Stellar nucleosynthesis
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in the origin of the eukaryotes, endosymbiosis
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Endosymbiosis most likely began with a heterotrophic endosymbiont entering the cell as undigested prey or as an internal parasite during the origin of eukaryotes.
The leading hypothesis, known as the endosymbiotic theory, holds that eukaryotes evolved from a fusion of Archaean and bacterial cells, in which an ancient Archaean engulfed (but did not eat) an ancient, aerobic bacterial cell.
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Please help please please
Answers
Answer:gawk gawk
Explanation:
51.) Chromosomes become visible during prophase because DNA molecules are progressively shortened and condensed by coiling.
53.) The mitotic spindle also begins to develop during prophase.
54.) The two chromatids of a duplicated chromosome are held together at a region of DNA called the centromere
Which structure in a Moorish idol fish's cells produces the energy it needs?
Answers
The structure in a Moorish idol fish's cell delivers the energy it needs is mitochondria.
What is Moorish idol?
The Moorish idol is a marine fish species that is the lone surviving member of the family Zanclidae in the order Acanthuriformes. The Moorish idol, a common resident of tropical to subtropical reefs and lagoons, is renowned for its widespread distribution throughout the Indo-Pacific. Several butterflyfishes resemble the Moorish idol. It is closely similar to, if not a direct descendent of, the extinct Eozanclus brevirostris of Monte Bolca from the Middle Eocene.
Mitochondria are organelles responsible for cell breath. Through this cycle, ATP is delivered by oxygen utilization. The construction in a Moorish symbol fish's cells creates the energy it needs is mitochondria.
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What is the relationship between the gradient and how
close together the isolines are?
Answers
Gradient in relationship to the spacing of contours: A steep (high) gradient changes quickly and the isolines are close together. A gentle (low) gradient changes slowly and the lines are far apart.
Because cell walls consist of a cross-linked network of long filaments embedded in a stiff surrounding material, they can be called _____.
Answers
According to the research, the correct answer is fiber composites. Because cell walls consist of a cross-linked network of long filaments embedded in a stiff surrounding material, they can be called fiber composites.
What are cell walls?It is a network that covers prokaryotic cells and plant cells that is located outside the plasma membrane, helping to form the structure.
In this sense, since it is made up of a network of carbohydrates, phospholipids and structural proteins, and the different cell types of plants can be identified by their characteristics, they can be called fiber composites.
Therefore, we can conclude that cell walls are a network embedded in a matrix composed of carbohydrates and proteins.
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(q005) if the genome of the bacterium e. coli requires about 20 minutes to replicate itself, how can the genome of the fruit fly drosophila be replicated in only 3 minutes?
Answers
If the genome of the bacterium e. coli requires about 20 minutes to replicate itself, the genome of the fruit fly drosophila be replicated in only 3 minutes because drosophila DNA contains more origins of replication than E. coli DNA.
The word "bacteria," which is plural, is spelled "bacterium." To put it another way, you only use the word "bacteria" when there are multiple them and "bacterium" when there is only one.
A bacterium is a very small living entity that lacks a recognisable nucleus and has cell walls in biology. The term itself is derived from the Greek word bakterion, which means "small stick or rod" and describes the form of a bacteria under a microscope.
The basic shapes of bacteria are grouped into five categories: spherical (cocci), rod-shaped (bacilli), spiral-shaped (spirilla), comma-shaped (vibrios), and corkscrew-shaped (bacilli) (spirochaetes).
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Farmer Brown grows corn for a living. One day, Farmer Green suggests to Farmer Brown that he should clone his best corn plant in order to produce more ears of corn per plant. Farmer Brown is not sure about Farmer Green's idea.
Why might Farmer Brown be hesitant to clone his corn?
Answers
Farmer Brown might be hesitant to clone his corn because of the disadvantages associated with cloning.
What is cloning?Cloning is a scientific process of producing clones of living organisms. In other words, it involves a series of steps associated with producing multiple and exact genetic copies of organisms artificially.
Cloning is advantageous because organisms of desirable traits can be produced in large quantities within a short period as compared to having to wait for normal sexual reproduction.
On the downside, cloning produce clones with exact gene copy of the parent. This means that the entire population of clones can be destroyed all at once if a biotic or abiotic factor they are susceptible to strikes.
Due to this disadvantage, Farmer Brown may be hesitant to clone his corn as advised by Farmer Green.
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which arterial blood gas (abg) value would indicate diabetic ketoacidosis?
Answers
PaCO2 32 or less than 35 of ABG indicates diabetic ketoacidosis
Additionally, DKA is indicated by a bicarbonate level of 18 millimoles per litre (mmol/l) or less and an anion gap greater than 10 mmol/l. A pH of less than 7.35 suggests acidosis, while 7.35-7.45 is considered normal. PaCO2 is low because the body is here adjusting for acidosis because CO2 is acidic by nature and patients with DKA (diabetic ketoacidosis) have increased respiratory rates. The illness becomes life threatening and can result in death when the blood's pH drastically increases and falls below 7.
When someone develops DKA, the blood becomes more acidic as a result of the ketones that enter the bloodstream disrupting the acid-base equilibrium. This is due to the fact that ketoacidosis causes more ketones to be produced, which raises the anion gap.
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The cytoskeleton holds organelles in place inside the cytoplasm.
a. TRUE
b. FALSE
Answers
The statement is true that the cytoskeleton holds organelles in place inside the cytoplasm.
Cytoskeleton is a complex of interlinked protein filaments. It is responsible for providing the cell a definite shape and it also provides mechanical strength. It also helps the cell in cell division as well as movements. The elements of cytoskeleton are: microtubules, actin filaments, and intermediate filaments.
Organelles are the sub-cellular structures that make essential part of the cell. These are essential for various activities of the cell and make the cell alive and functioning. The examples of organelles are mitochondria, chloroplast, lysosome, golgi apparatus, etc.
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The place where a particular organism lives is called its__
A. community
B. Ecosystem
C. Species
D. Habitat
HELP YALL ASAPPPPP
Answers
A habitat meets all the environmental conditions an organism needs to survive. For an animal, that means everything it needs to find and gather food, select a mate, and successfully reproduce.
Can changes in the food web of an ecosystem affect humans as well as the organisms within the food web? NEED HELP FAST ASAP!!!!
Answers
Answer:
Yes it can affect humans and organisms within the food web.
Explanation:
Every animal has a role in our ecosystem, if something were to change it we would be distrupting the way the food web chain works.
A ________________ helps explain observations or events.
Answers
This is the correct answer
Answer: me
Explanation:
a frank the tank
Which organism would you expect to have the longest digestive track?
Rhinoceros- herbivore
Baboon- omnivore
Lion- carnivore
Human- omnivore
Answers
The group of organisms that are expected to have the longest digestive tract is the herbivore rhinoceros (Option A).
What does the longest digestive tract mean?The expression longest digestive tract makes reference to the length of the digestive system which is directly associated with the digestibility of food that one organism consumes. This parameter (digestion) is favored by the retention time which increases regarding the gut length
Therefore, with this data, we can see that herbivores such as rhinoceros will exhibit a long digestive tract to favor the retention time and which is associated with gut length.
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the phenomenon that probably gives rise to the organelles in eukaryoptes is
Answers
The phenomenon that probably gives rise to the organelles in eukaryoptes is endosymbiosis
The term "endosymbiont" refers to a microbial cell that has established a stable home inside another microbial cells. According to the endosymbiotic theory, several organelles of eukaryotic cells are thought to be descended from endosymbionts. Studies of mitochondria and chloroplasts, which are assumed to have evolved from bacteria living in big cells, are particularly supportive of the idea that eukaryotic cells originated from an association of prokaryotes that engaged in endosymbiosis. The origin of eukaryotes and mitochondria. The origin of eukaryotic cells is explained by this idea. Chloroplasts and mitochondria are the same size as prokaryotic cells and divide through a process known as binary fission. In order to create the mitochondria and chloroplasts, an ancestral eukaryotic cell first had to internalize prokaryotes. This process is known as primary endosymbiosis.
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genes located along the x chromosome:
Answers
Genes located along the x chromosome are called X-linked genes.
The fundamental structural and operational unit of heredity is the gene. DNA makes up genes. Some genes serve as instructions for creating molecules known as proteins. Many genes do not, however, encode proteins. Genes in humans can range in size from a few hundred DNA bases to more than 2 million bases. Humans are thought to have between 20,000 and 25,000 genes, according to the Human Genome Project, an international research endeavor that aimed to decipher the human genome's sequence and catalogue its genes.
Each gene is present in two copies, one from each parent, in every individual. Less than 1% of all genes are slightly variable from person to person, but the majority of genes are the same in all humans.
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Standard NCES.7.L.1.3-Miranda learned how the human body carries out life functions. Which is the MOST basic level of organization in the human body?
Group of answer choices
an organ
a system
a tissue
a cell
Answers
Answer:
A cell
Explanation:
The first and most basic level of organization is the cellular level. A cell is the basic unit of life.
lymphocytes group of answer choices possess mhc antigens for recognizing self develop into clones of either b and t cells with extreme variations of specificity have membrane receptors that recognize foreign antigens all of the choices are correct
Answers
In the question, all the choices are correct.
Lymphocytes have membrane receptors that recognize foreign antigens. They also gain tolerance to self by the destruction of lymphocytes that could react against self. Lymphocytes also possess MHC antigens for recognizing the self and develop into clones of B and T-cells with extreme variations of specificity.
What are the different types of Lymphocytes?
The two primary categories of lymphocytes are T cells, or T lymphocytes, and B lymphocytes. T cells regulate your body's immune response and go directly after and eliminate cancerous and diseased cells. B cells, or B lymphocytes: The B cell produces antibodies. Proteins are called antibodies to hunt down viruses, bacteria, and other foreign invaders.
Therefore, all the choices are correct.
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Which of the following are the electron carriers used in aerobic cellular respiration? Check all that apply.
A. ATP
B. FADH2
C. NADH
D. NADPH
Answers
The electron carriers used in aerobic cellular respiration are as follows:
FADH2NADHWhat are electron carriers?Electron carriers also called electron shuttles, are small organic molecules that play key roles in cellular respiration.
As their name implies, electron carrier pick up electrons from one molecule and drop them off with another.
Cellular respiration is the process whereby living organisms obtain energy by breaking down food molecules in their cells.
During cellular respiration, two molecules called nicotinamide adenine dinucleotide (NAD+) and flavin adenine dinucleotide (FAD) act as electron carriers.
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How does the reservoir cycle carbon? How much carbon does it cycle?
Answers
The carbon cycle, an exchange between each reservoir, involves the flow of carbon. The annual average for the slow carbon cycle is 1013 to 1014 grams (10-100 million metric tons) of carbon..
What is the cycle of atmospheric carbon?It is one of the more rapid parts of the planet's total carbon cycle, enabling the annual exchange of more than 200 billion tons of carbon (or gigatons of carbon, or GtC) into and out of the atmosphere.
What is the GCSE for the carbon cycle?Living beings absorb carbon from the atmosphere in the form of carbon dioxide. After being transferred from one organism to another in intricate molecules, it is released back into the atmosphere as carbon dioxide. The carbon cycle is this process.
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because organic farming does not use chemical fertilizers and pesticides, it is good for the environment. some argue, however, that organic farming isn't necessarily a good thing. why?
Answers
Answer:
organic farms require 25 to 110 percent more land in order to produce the same amount of food than conventional systems because organic yields are lower, with organic farms needing more space to grow deforestation is basically inevitable.
is food biotic or abiotic factor? answer pls
Answers
Answer:
biotic factor for humans and abiotic for plants
What is a biotic factor?
A living thing that affects its environment is a biotic factor. Aquatic plants, fish, amphibians, and algae are a few possible examples in a freshwater ecosystem. An ecosystem's unique qualities are shaped by a combination of biotic and abiotic elements.
Supporting answer.
Ecosystems are composed of both biotic and abiotic components. Abiotic factors are non-living elements like water, soil, and atmosphere, whereas biotic factors are live entities found in an ecosystem including plants, animals, and bacteria. In an ecosystem, how these elements interact is crucial.
Hence, food is a biotic factor.
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Most cell types are permeable to water. An exception is cells of the __________, which can be either impermeable or permeable, depending upon the location of __________.
Answers
Most cellular kinds are permeable to water. An exception is cells of the distal nephron which may be either impermeable or permeable depending upon the region of aquaporins.
Excessive medullary interstitial osmotic pressure affords the driving pressure for the osmotic flow of water via accumulating ducts making water permeable with the aid of the action of vasopressin. high permeability permits osmotic equilibrium among urine and medullary interstitial fluid. The distal nephron epithelium is impermeable to water without vasopressin.
The frame loses water on the whole thru the kidney machine. In common, a person produces 1.5 liters of urine in line with the day. Urine output varies with hydration tiers, but minimum urine output is needed for the proper frame feature. changes in pH are the end result of modifications in the quantity of carbon dioxide within the body.
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Guinea pigs can have either short or long hair. The gene for short hair in guinea pigs is dominant over the gene for long hair. Two short-haired guinea pigs have a litter of eight offspring. Two of the offspring have long hair, and six of the offspring have short hair. What is true about the parent guinea pigs?
A. Only one of the parents carries the gene for long hair.
B. Both of the parents carry the gene for long hair.
C. The male parent contributed two long hair genes to the offspring.
D. The female parent contributed two long hair genes to the offspring.
Be quick please!
Answers
Answer:
?????????? is th ans ??????
At one time, scientists believed that the world's continents were static.
Today scientists have shown that continents are in constant motion.
Which statement is best supported by this discovery?
O Science is a body of knowledge based on the work of well-known scientists.
O Science is a body of knowledge that is subject to change based on data
O A theory becomes a law when there are data to support the theory
O A scientific theory is the correct answer to a problem
Answers
Science is a body of knowledge that is subject to change based on data, which is the correct statement.
What exactly is science as a body of knowledge?
Science can be thought of as both a body of knowledge of what we have already discovered and the process of acquiring new knowledge via observation and experimentation testing and hypothesizing.
Geologists rejected Alfred Wegener's ideas on static continents in 1912 because he could not explain what forces could move the continents. Almost 50 years later, Harry Hess confirmed Wegener's ideas by using evidence of seafloor spreading to explain what moved continents.
Therefore, the above theory explains why science is subject to change based on data.
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What cell is the result of the fusion of an egg and a sperm cell.
Answers
Answer:
the zygote
Explanation:
Fertilization is the fusion of the male and female gamete. The process involves the fusion of an oocyte with a sperm, creating a single diploid cell, the zygote, from which a new individual organism will develop.
