The two examples of specialized cells are red blood cells and epidermic cells. Through cell differentiation, these mature cell types are created.
The human body has many billions of cells. They provide the body with structure, take in food's nutrients, convert them into energy, and carry out certain functions. Cells also contain the genetic material of the organism and are capable of self-replication. Cell differentiation is the difference in gene expression that results in the creation of various cell types that are specialized to carry out particular tasks.
For example; the hemoglobin gene is expressed by hematopoietic stem cells to produce red blood cells with certain functions, including the ability to carry oxygen to all of the body's cells.
Additionally, epidermic cells are trained to offer protection and mechanical strength.
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Which of the following is a correct sequence of events in cellular respiration?
The correct sequence of events in cellular respiration is option a: glycolysis, citric acid cycle, electron transport chain.
During cellular respiration, glucose is broken down to produce energy in the form of ATP. The process starts with glycolysis, which occurs in the cytoplasm and involves the breakdown of glucose into pyruvate molecules. Glycolysis generates a small amount of ATP and NADH.
The pyruvate molecules produced in glycolysis enter the mitochondria, where the citric acid cycle, also known as the Krebs cycle, takes place. In this cycle, the pyruvate is further broken down, releasing carbon dioxide and generating NADH and FADH2 as electron carriers. The citric acid cycle also produces a small amount of ATP.
The electron carriers NADH and FADH2 then participate in the electron transport chain, which is located in the inner membrane of the mitochondria. In the electron transport chain, the electrons from NADH and FADH2 are transferred through a series of protein complexes, creating a flow of electrons that drives the synthesis of ATP. This process is known as oxidative phosphorylation.
Therefore, the correct sequence of events in cellular respiration is glycolysis, citric acid cycle, and electron transport chain, as stated in option a.
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Question
Which of the following is the correct sequence of events in cellular respiration?
a. glycolysis, citric acid cycle, electron transport chain
b. glycolysis, preparatory reaction, citric acid cycle, electron transport chain
c. glycolysis, electron transport chain, preparatory reaction
d. citric acid cycle, glycolysis, electron transport chain, preparatory reaction
e. citric acid cycle, electron transport, glycolysis, preparatory reaction
How do we know how many genes control development in an organism like Drosophila?A. Changing the concentration of gene products can identify their impact in different stages of the development.Using labeled antibodies specific to the protein of interest, one can predict their importance in development.B. Switching genes on or off by methylation allows the determination of their importance in development. Chip sequences and RNA sequences provide an estimate of the lower limit of genes regulating a particular developmental event.C. Using a number of mutant screens one can investigate the structure and function of genes and their role in an organism's development. Saturation mutagenesis provides an estimate of the lower limit of genes regulating a particular aspect of development.D. Inactivating various genes one can determine their importance in the development. Using different methods of knocking out the genes provides an estimate of the lower limit of genes regulating a particular aspect of development
To determine how many genes control development in an organism like Drosophila, researchers use a variety of methods. One approach is to change the concentration of gene products and observe their impact on different stages of development.
Another method involves switching genes on or off by methylation and using chip sequences and RNA sequences to estimate the lower limit of genes regulating a particular developmental event. Additionally, using a number of mutant screens allows for investigation of the structure and function of genes and their role in an organism's development, while saturation mutagenesis provides an estimate of the lower limit of genes regulating a particular aspect of development. Finally, inactivating various genes and using different methods of knocking out the genes provides an estimate of the lower limit of genes regulating a particular aspect of development. Through these various methods, researchers have been able to gain a better understanding of the complex network of genes that control development in organisms like Drosophila.
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Drag each item to indicate whether it is an example of water used in the production of food or energy.
What is the primary goal of cellular respiration in eukaryotes?
Answer:
Cellular respiration
Explanation:
Cellular respiration in eukaryotes occurs primarily in the mitochondria. Eukaryotic cells depend on cellular respiration to survive. During glycolysis, the cell breaks down glucose in the cytoplasm with or without oxygen present.
Which best explains how green plants absorb energy from the sun?
A) Sunlight heats up the outside of a leaf
B) Chemical Bonds in a glucose are formed
C) A photon strikes electrons in special molecules in a cell
D) Carbon dioxide combines with water to form glucose molecules.
Answer:
the answer is C
Green plants absorb energy from the sun when "A photon strikes electrons in special molecules in a cell"
Green plants are unique organisms being that they possess the ability to capture and utilize energy from the sun. This is possible because they possess special pigments in their CHLOROPLAST called CHLOROPHYLL. The general process whereby green plants capture and utilize sun's energy is called PHOTOSYNTHESIS.
During photosynthesis, a photon of light strikes electrons in the thylakoid lumen of the chloroplast. This facilitates the synthesis of ATP (energy) in further reactions that takes place in the chloroplast.
Therefore, green plants are able to obtain energy from the sun when photons (beam of light) strikes electrons in their CHLOROPLAST.
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11
Engaging in Argument You work for a power company that needs more electrical power for your customers.
Comparing the advantages and disadvantages of using oil, coal, or natural gas, what recommendation would you
give your supervisor regarding what type of fossil fuel to use? Include evidence from this section and other sources
to support your recommendation.
Type of Fuel
similarities
Differences
Oil
Coal
Natural Gas
3row 29 TA3
lainsmotiva
Use the reasoning from above to write your recommendation paragraph (5 complete sentences
Compared to coal and oil, natural gas has a number of benefits, such as fewer carbon emissions, greater energy efficiency, and lower production costs. The most environmentally friendly fossil fuel, according to the U.S. Energy Information Administration, is natural gas.
How might the utilisation of fossil fuels be improved?when not in use, turning off lights, computers, televisions, video games, and other electrical devices. purchasing energy-efficient home furnishings, such as lighting, air conditioners, heaters, refrigerators, and washing machines.
What actions will you recommend to conserve fossil fuel?(i) Conversion into useful forms, such as CNG. (ii) Fire protection for resources. (iii) Prevent oil waste. (iv) Increase the use of renewable energy sources, such as solar and wind power, in order to produce more electricity.
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primary productivity is the rate at which _ make organic matter
Answer:
A. producers
Explanation:
primary productivity is the organic matter produced by producer in unit area for particular time duration
Chimpanzees, chickens, cows, and human beings all share a gene for an insulin hormone. What does this suggest? (1 point)
a. this suggests that none of these species share a common ancestor
b. this suggests that all of these species share a common ancestor
c. this suggests that two of these species share a common ancestor
d. this suggests that three of these species share a common ancestor
Chimpanzees, chickens, cows, and human beings all share a gene for an insulin hormone this suggests that b. this suggests that all of these species share a common ancestor.
What is evolution?In biology, evolution is the alternative withinside the traits of a species over numerous generations and is based at the method of herbal selection. All cutting-edge people are 99.9% much like each other with inside the part of the human genome that codes for proteins.
In equal regions of the genome, we're 98.8% genetically much like chimpanzees, 75% genetically much like chickens, or even 60% genetically much like banana tree evidence from fossils, proteins, and genetic research shows that people and chimpanzees had a not unusual place ancestor tens of thousands and thousands of years ago. Most scientists trust that the 'human' own circle of relatives tree (called the sub-organization hominin) breaks up from the chimpanzees and different apes approximately 5 to seven million years ago.Read more about the hormone
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What happens to the ocean water after the evaporation part of the water cycle?
O The ocean water collects back in the ocean.
O The ocean water condenses in clouds.
O The ocean water falls back to Earth's surface.
O The ocean water runs off Earth's surface.
Answer:
O The ocean water condenses in clouds.
Explanation:
After the evaporation part of the water cycle, the ocean water vapor rises into the atmosphere and cools, leading to the process of condensation. This results in the formation of clouds. These clouds can then move with the help of wind, and the water droplets within them can combine and grow larger through the process of coalescence. Eventually, the droplets become heavy enough to fall to the Earth's surface as precipitation, which can take the form of rain, snow, sleet, or hail, depending on the temperature and other factors. Therefore, the correct answer is "The ocean water condenses in clouds."
A lab technician obtains a specimen of known concentration from a reference lab. He/she tests the specimen 10 times using an assay kit and compares the calculated mean to that of the known standard. Which procedure we need to use
The procedure the lab technician needs to use is called "Quality Control" or "QC." By testing the specimen 10 times with an assay kit and comparing the calculated mean to the known standard, the technician is assessing the accuracy and precision of the assay kit, ensuring that it provides reliable results.
A procedure refers to a sequence of steps, actions, or operations that are performed in a specific order to achieve a desired outcome or result. It is a systematic and organized approach to completing a task, solving a problem, or executing a process. Procedures provide clear instructions and guidelines for carrying out complex or repetitive tasks efficiently and consistently. They often involve a set of predefined rules, protocols, or methods that need to be followed. Procedures can be documented in manuals, guides, or standard operating procedures (SOPs) to ensure consistency, accuracy, and compliance. They are commonly used in various fields, including healthcare, manufacturing, research, and administrative processes to ensure smooth operations and effective execution of tasks.
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Add pictures of some cool
structures here:
is this a structure please help me
Please help me anyoneeeeee???:(
Answer:
with which question?
Explanation:
PLEASE HELP I WILL GIVE YOU MULTIPLE BRAINLYS ON DIFFRENT POSTS!!!!!!!
Explanation:
hy i can help you but what we have to do in that pdf
edicted answer - oh! i got that
why is poop good for other mammals
Answer:
It can be used to keep them warm
Also, cow dung is used by us to burn or to build stuff
Most importantly, faeces are deocmposed wste which is absorbed into the soil for plants to grow, hence allowing other mammals to flourish
Explanation:
It adds excess nutrients like nitrogen and phosphorus to the environment. Excess of these nutrients in many ecosystems creates unstable conditions that allow algae blooms to cloud our rivers, lakes, and streams
in what trophic level is the wombat in
Describe how rock clues were used to support the hypothesis of the continental drift.
Answer:
Im not sure if this will help or not but better than nothing
Explanation:
so basically, evidence that continental drift happened is that the plant or animals species on the edge of one continent is popular on the continent that is across from/ near it. Im assuming the same happened with rocks. A certain kind of rock that isn't supposed to be on the continent edge is because the continent near/across from it has that species/kind of rock or plant or animal there. does that make sense-
Whether of not the cell is partitioned into compartments by internal membranes decides whether it is
Whether of not the cell is partitioned into compartments by internal membranes decides whether it is prokaryotic or eukaryotic.
Prokaryotic cells are cells that do not have internal membrane-bound compartments or organelles, meaning that the genetic material, ribosomes, and metabolic pathways are all freely floating in the cytoplasm. Prokaryotic cells are typically smaller and less complex than eukaryotic cells, and include bacteria and archaea.
Eukaryotic cells, on the other hand, have internal membrane-bound compartments or organelles that allow for compartmentalization of different cellular functions. The genetic material is contained within a nucleus, and other organelles such as mitochondria, endoplasmic reticulum, and Golgi apparatus are responsible for specific cellular functions.
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The movement of the Earth's tectonic plates creates extreme _____ below Earth's surface.
A. compaction
B. erosion
C. heat & pressure
D. explosions
The movement of the Earth's tectonic plates creates extreme heat and pressure below Earth's surface. So, the correct option is C.
What are Tectonic plates?A tectonic plate also known as a lithospheric plate is defined as a massive, irregularly shaped slab of solid rock that is composed of both continental and oceanic lithosphere. Plate sizes can vary greatly, ranging from a few hundred to thousands of kilometers across the Pacific where the Antarctic Plate being the largest.
Plate thickness also varies greatly, ranging from less than 15 km for young oceanic lithosphere to about 200 km or more for ancient continental lithosphere. The movement of the Earth's tectonic plates creates extreme heat and pressure below Earth's surface.
Therefore, the correct option is C.
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Can someone help me on dis
please helpppppp meeee
Answer:
what happened my friend is everything fine well 1 + 1 equals 2 got it?
The pedigree below shows the inheritance of a dominant allele of a gene in a family over several generation. Circles represent females and squares represent males. Shaded symbols indicate individuals carrying the allele. The pedigree suggest that the gene is on a nuclear chromosome, and not on a mitochondrial DNA, because A) mitochondrial genes are not heritable B) mitochondrial mutations cannot produce dominant traits C) maternal mitochondrial mutations are inherited by all of a mother's offspring D) mitochondrial DNA is circular, whereas chromosomal DNA is linear
Complete question:
You will find the pedigree in the attached files
Answer:
The correct option is C) maternal mitochondrial mutations are inherited by all of a mother's offspring.
Explanation:
Mitochondrial inheritance is one of the ways in which a disease or a trait might be inherited from the maternal line.
Most of the DNI is located in the nucleus, but there is also DNI in mitochondria. Sperm cells hardly carry mitochondria, so mitochondrial DNI is mostly inherited from the maternal side. If there exists any mutation in this DNI, the whole progeny of the mutated woman will be affected, as they will get the mother´s mitochondria carrying the mutation. On the contrary, if there is a man affected by a disease caused by a mutation in mitochondrial DNI, non of their descendants will get the disease.
In the exposed pedigree, we can see that the mother is affected by the disease, but the couple had two daughters, and only one of them was affected, while the other one was not. This tells us that the mutation occurred on a nuclear chromosome. If the mutated allele was in mitochondria, both daughters would be affected.
The pedigree suggests that the gene is on a nuclear chromosome, and not on a mitochondrial DNA because maternal mitochondrial mutations are inherited by all of a mother's offspring (Option C).
Mitochondrial DNA (mtDNA) is a special type of genetic material that exhibits a matrilineal inheritance pattern.In consequence, all genes (and mutations) contained in mtDNA will pass from the mother to her offspring.It is for that reason that mtDNA is widely used in evolutionary studies (we can trace matrilineal lineage from mtDNA).In conclusion, the pedigree suggests that the gene is on a nuclear chromosome, and not on a mitochondrial DNA because maternal mitochondrial mutations are inherited by all of a mother's offspring (Option C).
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Which graph below represents the amount of potassium-40 and the amount of argon-40 and calcium-40 over four half-lives?
Answer: b
Explanation: i got it right
Analyze
1. What are the biotic and abiotic factors the scientists monitor which influence
this bat population?
2. How did the carrying capacity of bats change between Year One and Year
Two? How did the biotic and abiotic factors change between Year One and
Year Two? Summarize how the changes in the different biotic and abiotic
factors influenced the bat population.
3. How would the bat population influence the number of cactus fruit that
develop?
Answer:
Explanation:
1-Biotic factors that a population needs include food availability. Abiotic factors may include space, water, and climate. The carrying capacity of an environment is reached when the number of births equal the number of deaths. A limiting factor determines the carrying capacity for a species
2-
Carrying capacity, or the maximum number of individuals that an environment can sustain over time without destroying or degrading the environment, is determined by a few key factors: food availability, water, and space. These key factors have the ability to limit, or even reduce a population by lowering birth rates, increasing the death rate, or encouraging migration. For this reason, these are referred to as ‘limiting factors.’ When there are no limiting factors a population can grow exponentially.
Abiotic vs. Biotic Limiting Factors
These limiting factors can be further broken down into abiotic or biotic limiting factors. Abiotic factors are non-living physical and chemical elements in the ecosystem, such as sunlight, temperature, soil, water, and oxygen. Biotic factors are living or once-living organisms in the ecosystem, such as food, disease, competition, and predators. As an example, we can look at bison in Yellowstone National Park. They have to compete with elk and other ungulates while foraging for food, a biotic factor. One abiotic factor limiting bison is the weather, as heavy winter snows can drive them out of the park.
Limiting Factors Based on Density
We can also look at factors that determine carrying capacity in terms of their density-dependence. Density-dependent limiting factors make the per capita growth rate decrease as the population increases. Density-dependent limiting factors tend to be biotic, including factors such as food and disease. For example, in a population of panthers, there is access to a fixed amount of food. When the population remains small there will be plenty of food for all panthers. When the panther population gets large enough the food may become insufficient, leading to competition among panthers, from this competition, panthers may starve, or die, and stop reproducing. As such, the per capita growth rate of the panther population may shrink or level off. Food in this case is an example of a density-dependent limiting factor.
A melanistic Indian leopard in Nagarhole National Park
Density-independent limiting factors are factors that affect the per capita growth rate regardless of how dense a population is and include factors such as a flood, drought, and habitat destruction. Consider a flash flood occurs in the panther habitat. The flood has the ability to kill any panther that is in the wrong place at the wrong time, independent of how many panthers are in the area. In this case, the flood, or natural disaster, is the density-independent limiting factor.
Limiting Factors and Humans
While food and water supply, habitat space, and competition with other species are some of the limiting factors affecting the carrying capacity of a given environment, in human populations, other variables such as sanitation, diseases, and medical care are also at play. Often, some variables are not equitably distributed among human populations with some consuming more than others, and with affluence on the rise globally, human carrying capacity is neither static nor easy to calculate.
Teaching Carrying Capacity in the Classroom
Help your students understand carrying capacity by sharing the activity Panther Hunt where acting as panthers, students compete for limited “prey” resources in the classroom “environment.” Or, Habitat Scramble where students act as individuals of species in a habitat trying to survive by collecting cards that represent essential habitat resources and explore what happens when a habitat is disrupted.
Photo Credits: Bison herd grazing in Yellowstone: Euphoria42, A melanistic Indian leopard in Nagarhole National Park: Davidvraju
The biotic and abiotic factors the scientist's monitor that influence this bat population are cactus growth and rainfall respectively.
What do you mean by Abiotic factors?Abiotic factors may be defined as the part of the ecosystem that belongs to the category of non-living such as temperature, rainfall, pH of the soil, fire, etc.
The carrying capacity of the bats may decline in year two as compared to year one. Biotic and abiotic factors may also decline in year two as compared to year one. The population of the bat majorly depends on the biotic factor. The population may increase when the cactus flowers as well as cactus fruits increases, and the population of a bat may decrease when cactus flowers, as well as cactus fruits, decrease.
The population of bats reduces the number of cactus fruits. This is because cactus fruits may be considered as a food source for a bat population.
Therefore, the biotic and abiotic factors the scientist's monitor that influence this bat population are cactus growth and rainfall respectively.
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The fluidity of the cell membrane is maintained by?
Answer:
Unsaturated fatty acids.
Explanation:
HOPE THIS HELPED
Nerve damage and death are likely to occur if the body receives a current of ____ to ____ milliamps.
According to research it can be concluded that Nerve damage and death are likely to occur if the body receives a current of 50 to 100 milliamps.
What is nerve damage?Nerve damage refers to a process by which the nerves or whitish fibre from the nervous system that transmit electrical impulses are destroyed due to some factors like high current. This can causes pains or burning sensation. Severe nerve damage can result into numbness, pains, shooting and burning sensation. High Current causes nerves shock and disrupt nerves activities.
It can be conclude that high current can disrupt and cause nerve damage.
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help Plis ! UwU
!!!!!!!
Answer:
C. a response
A response is essentially your instinct/reaction.
May I have brainliest please? :)
The answer is C, hope this helps ^^
in a hardy-weinberg population with two alleles a1 and a2 that are in equilibrium, the frequency of allele a2 is 0.1. what is the frequency of individuals with a1a1 genotype? group of answer choices 0.32
The frequency of individuals with the a1a1 genotype is 0.81. The answer is option B.
The Hardy-Weinberg equilibrium equation is a theoretical model and does not always hold true in real populations. If we assume that the population is in Hardy-Weinberg equilibrium and that the frequency of allele a2 is 0.1, then we can use the Hardy-Weinberg equilibrium equation to calculate the frequency of individuals with the a1a1 genotype. The equation is:
p^2 + 2pq + q^2 = 1
Where p is the frequency of the dominant allele (a1) and q is the frequency of the recessive allele (a2). Plugging in the values we know, we get:
p^2 + 2pq + (0.1)^2 = 1
Solving for p, we find that p = 0.9. Plugging this value back into the equation, we can calculate the frequency of individuals with the a1a1 genotype as follows:
(0.9)^2 = 0.81
The missing part in the question is shown below.
In a Hardy-Weinberg population with two alleles A1 and A2 that are in equilibrium, the frequency of allele A2 is 0.1. What is the frequency of individuals with A1A1 genotype? group of answer choices
A. 0.32
B. 0.81
C. 0.20
D. 0.42
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40. What characteristic of the yeti crab contributes to its name?
-It is mentioned in mythology.
-It is covered with setae.
-It is found in the Himalayas.
-It is larger than other crabs.
Answer:
-It is covered with setae.
Explanation:
The yeti crab is given the name Yeti as it has hairs on its legs and thus resembles those of the yeti that lives in the snow-capped Himalayas. The crab has been know to be discovered during the southeastern pacific expedition of the microplates. Satae is a type of hair that grows on the body of animals or organisms. The crab is noticeably 15 cm long and the fur covers the legs and claws.Scientists have used the eight levels of classification for more than 200 years. When might the system be updated?
Answer: If new species, studies come to the table and the classification is not compatible with them
Explanation: Like a new animal was discovered but even using the eight levels of classification scientists couldn't figure what the animal was
The system might be updated when new species discovered don't match
any level of classification.
The levels of classification help to differentiate plants and animals through
the presence of specific features or behavior.
When new living things are found and the required feature for classification
doesn't match any of the available levels then the scientists can decide to
include a new one to accommodate the new species discovered and for
subsequent study.
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When we drink water, we feel good
because water helps move nutrients
to our what?
A blood
B. cells
C waste
Answer:
B. Cells
Explanation:
It's the answer