Please Help!!!!!!!!!!!!!! Passive transport takes place without the use of energy. true or false?
Answers
Answer:
true
Explanation:
it requires no energy.
Answer:
it true
Explanation:
Related Questions
Which of the possible examples below would most likely lead to a change in the cell theory? A Scientists find life on Mars that is not made of cells. BScientists identify a cell organelle that practices the process of photosynthesis. C Scientists determine that an organism is living if it is made of twenty structurally-identical cells. D Scientists gather life from a volcano that is composed of cells which are very different from humans.
Answers
Answer: Probably B?
Explanation:
The possible examples below would most likely lead to a change in the cell theory: Scientists discover life on Mars that is not made of cells, i.e., option A, despite the fact that the cell theory states that all living organisms are made of cells.
What is the significance of the cell and its importance?Cell theory explains that life is made up of cells, but If scientists were to discover life on Mars that did not fit this definition, it would challenge the current understanding of the cell theory and the discovery of life on Mars that is not composed of cells would indicate that the cell theory is not universally applicable.
Hence, the possible examples below would most likely lead to a change in the cell theory: Scientists discover life on Mars that is not made of cells, i.e., option A, despite the fact that the cell theory states that all living organisms are made of cells.
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Please help me. The question is “ Which Tube will experience the greatest loss of water? Claim: Tube #___ will have the greatest amount of water loss. the options are Tube 1, Tube 2 & Tube 3.
The second section of the question is. Reasoning and evidence: Tube ___ will have the greatest amount of water loss because ___________ (give evidence from date above and explain it). (Hint:Osmosis).
I will give brainliest to whoever helps me answer this question.
Answers
Answer:
It is Tube 3
Explanation:
This is because the beaker has a lower water potential then the others. Since the dialysis tube holds 100% water and the beaker holds 40% of water, water will move out of the bag to the beaker. Because of the low water potential on the beaker
My test is timed, who ever answer this first will be Brainliest, How many genes for each trait does a child inherit?
Answers
Answer:
One allele for every gene in an organism is inherited from each of that organism's parents.
Explanation:
Answer:
These two copies of the gene contained in your chromosomes influence the way your cells work. The two alleles in a gene pair are inherited, one from each parent.
Explanation:
Which sentence BEST expresses the central ideas of the passage?
Zebra mussels can adapt to a variety of environments,
O but their ability to adapt to slightly salty water is of
special concern.
O
O
O
Zebra mussels have spread from oceans to lakes,
causing other mussel species to become extinct.
O
Zebra mussels are adaptable mollusks, and they can
survive on land for several days.
O
Zebra mussels have spread rapidly, threatening other
species.
Answers
Zebra mussels are adaptive mollusks that can spend days on land without food.
The ideal answer is C.
Zebra mussels are able to survive in seawater.This bivalve mollusk is only found in the Caspian and Black Sea lagoons and associated inflowing rivers. It can only withstand slightly salty fresh and brackish water for its daily needs.
How do zebra mussels affect the environment?Zebra mussels, like the ones in the photo above, can ruin boat motors, clog water filtration lines, and make beaches unusable. Zebra mussels are a tiny but significant nuisance. This crayfish and other objects can be swiftly encrusted by these mussels.
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Frederic griffith discovered transformation in his experiments on mice and pneumococcus bacteria. He injected the mice with combinations of harmless, r-strain bacteria and disease-causing s-strain bacteria. Which combination of bacteria killed the mice and showed that transformation occurred?.
Answers
The combination of Heat-killed s and live r strains of bacteria killed the mice and indicated that transformation occurred.
What is the Transformation Process in Microbiology?Transformation is the specific process by which exogenous genetic material is taken up directly into the cell and integrated into the cell through the cell membrane. This usually occurs when cells are in a state of capacity to take up exogenous substances.
What is the basic principle of bacterial transformation?Bacterial transformation is the process of horizontal gene transfer in which some bacteria take up foreign genetic material ( DNA) from the environment. It was first described in Streptococcus pneumoniae by Griffiths in 1928. Bacterial transformation is used to make more than one copies of DNA, referred to as DNA cloningTo learn more about bacterial transformation visit:
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Select the type of Cell Transport shown in the picture.
Choose
Answers
Answer:
Osmosis
Explanation:
Osmosis: The movement of water from an area of high concentration to a low concentration through a partially permeable membrane.
How do the conditions of our cells surroundings without our body change? What are some things that we do that can change the conditions inside our bodies? What are some things that happen naturally that change the conditions inside our bodies?
Answers
Answer:
Global warming is a very popular place in the world and is a very popular city in the world with a wide range of amenities and a great range of amenities to help you to find a home or home with a wide range of amenities and a great range of amenities to help you to find a home or home with a wide range of amenities and a great range of amenities to help you to find a home or home with a wide range of amenities and a great range of amenities to help you to find a home or home with a wide range of amenities and a great range of amenities to help you to find a home or home with a wide range of amenities and a great range of amenities to help you to find a home or home with a wide range of amenities and a great range of amenities to help you to find a home or home with a wide range of amenities and a great range of amenities to help you to find a home or home with a wide range of amenities and a great range of amenities to help you
Explanation:
Your home and home safely and to enjoy your warm weather with your lovely family and friends and family and friends and family and friends and family and friends and family and friends and family and friends and family and friends and family and friends and family and friends and family and friends and family and friends and family and friends and family and friends and family and friends and family and friends and family and friends and family and friends and family and friends and family and friends and family and friends and family and friends and family for a very happy birthday celebrating your birthday with a wonderful birthday celebrating a birthday present for our wedding anniversary and anniversary celebrations and special wedding anniversary celebrations for our wedding day special wedding day celebrations and special wedding celebrations for our wedding anniversary celebrations in the evening with our lovely friends in a lovely hotel with a lovely view and a lovely relaxing holiday for a few days away from home for the night and the rest of the night and a lovely
Why is it important to have all parts of graph clearly labeled and drawn?
Answers
Answer:
So it's clear to read.
Explanation:
Graphs need clear labels and data so it easy to read. Without clea and proper labels and drawing people wont be able to understand it or read the graph.
Use the words to fill in the blanks.
stomach, chewed, food, energy, rectum
liver, mouth, small, intestine, waste, saliva
large, intestine, digestion, system, swallow, tongue
pharynx, acid, absorbed, liquids, esophagus
All animals need to eat 1)_____ to get 2)______ to live. But in order to use this food, they have to break it down in a process called 3)________ . And so, all animals have a group of connected organs called the digestive 4) _______ .
In humans, the process of digestion begins in the 5) ________ where food is 6) _______ into small pieces by the teeth. The 7) ________ helps by moving these pieces around. The pieces by covered by 8) ________ or spit. The saliva makes the food slippery so that is easier to 9) _______. It also helps to break down the food.
One the food is swallow, it passes through the 10) _______ which is like a gate that sends food into the 11) ________ and air into lungs. The food travels down the esophagus and into the 12) ________. Once in the stomach the food is mixed with 13) ______ and crashed some more.
After spending some time in the stomach, the food is sent into the 14) ______ where nutrients are 15) _______. The 16) ______ helps by producing some digestive juices called bile. Next, the remaining food goes into the 17) ______ where the 18) _______ are absorbed.
The remaining food is called 19) _______ and it is pushed into the 20) _______ where it waits
before leaving the body.
Answers
2 energy
3 digestion
4 system
5 mouth
6 chewed
7 tongue
8 saliva
9 swallow
10 pharynx
11 esophagus
12 stomach
13 acid
14 small intestine
15 absorbed
16 liver
17 large intestine
18 liquids
19 waste
20 rectum
A. What percentage of earth's water can be found in soil?
B. What percentage of earth's water is stored in ice and snow?
C. What percentage of earth's fresh water is stored in ice and snow?
Answers
Answer:
a: 30 percent
b: 1.7 percent
c:68.7 percent
the points at which ions can enter and exit the axonal membrane in a myelinated axon are
Answers
The points at which ions can enter and exit the axonal membrane in a myelinated axon are known as nodes of Ranvier.
These nodes are the gaps in the myelin sheath that allow for ion exchange to occur, which is necessary for the propagation of nerve impulses along the axon. At these nodes, the axonal membrane is exposed and ion channels are present, allowing for the flow of ions in and out of the axon. This process, known as saltatory conduction, allows for faster and more efficient transmission of nerve impulses along the axon. When an action potential is generated at the initial segment of the axon, it propagates rapidly down the axon by jumping from one node of Ranvier to the next. At each node, the depolarization of the membrane opens voltage-gated sodium channels, allowing sodium ions to enter the axon, which triggers the action potential. After the action potential passes, the axon repolarizes and returns to its resting state, mainly through the opening of voltage-gated potassium channels, allowing potassium ions to exit the axon.
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If the mitochondria and chloroplasts in eukaryotic cells resulted from endosymbiosis between various prokaryotes, what features should these organelles have?.
Answers
Answer:
tkzzykysosy6dsoytoztksita
whether a hydrogen-based energy system is environmentally cleaner
Answers
Hydrogen-based energy's environmental cleanliness depends on several factors like renewable sources, carbon capture, emission reduction, and efficient infrastructure, making it a cleaner alternative to fossil fuels.
Whether a hydrogen-based energy system is environmentally cleaner than a fossil fuel system depends on several factors.
1. Source of Hydrogen: The environmental impact of hydrogen depends on how it is produced. If hydrogen is generated using renewable energy sources like solar, wind, or hydroelectric power, it can be considered environmentally cleaner. However, if hydrogen production relies on fossil fuels or non-renewable energy sources, its environmental benefits may be diminished.
2. Carbon Capture and Storage: Hydrogen can be produced from fossil fuels like natural gas through a process called steam methane reforming. To make this process environmentally cleaner, carbon capture and storage (CCS) technologies can be employed to capture and store the carbon dioxide emissions generated. Proper implementation of CCS can significantly reduce the carbon footprint associated with hydrogen production.
3. Emissions from Combustion: When hydrogen is used as a fuel, it produces water vapor as the primary byproduct, resulting in minimal greenhouse gas emissions. In comparison, fossil fuel combustion releases carbon dioxide and other pollutants, contributing to air pollution and climate change. The lower emissions from hydrogen combustion make it more environmentally favorable.
4. Infrastructure and Distribution: The environmental impact also depends on the infrastructure and distribution systems in place. Developing a hydrogen infrastructure that minimizes energy loss during production, storage, and transportation is crucial for maximizing its environmental benefits.
In summary, the environmental cleanliness of a hydrogen-based energy system compared to a fossil fuel system depends on the source of hydrogen, the implementation of carbon capture and storage, the emissions during combustion, and the efficiency of the infrastructure and distribution systems. By utilizing renewable energy sources for hydrogen production and implementing effective emission reduction measures, hydrogen has the potential to be an environmentally cleaner alternative to fossil fuels.
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Complete question :
Whether a hydrogen based energy system is environmentally cleaner than a fossil fuel system depends on ________.
How many major body regions does a crustacean have.
Answers
Answer:
this is the answer
Read it
Imagine that you work at Powell & Lealand.
Write an ad that helps convince to people
that the microscopes are powerful tools. Use
details from the text in your answer.
Answers
A microscope's primary function is to magnify tiny things. The primary purpose of a microscope is to produce resolution, more than magnification.
A microscope is a device that magnifies small objects, giving the user a very close-up view of tiny structures on a slide. It is mostly employed for inspection and analysis.
To continue the experiment and analysis, it should render in-depth images of the required specimen. The oldest known microscopes were simple and compound, but electron and fluorescence microscopes have lately supplanted them.
A compound microscope is more powerful than a basic microscope and has superior resolution. In disciplines where in-depth study is not required, a simple microscope is employed.
A microscope enables one to view details of an item that are not visible to the human eye. They are essential for understanding the existence of cells, how plants breathe, and how rocks change over time.
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Create a model showing the three steps in the process of DNA replication. Be sure to include the following in your model:
Label each step in the process (Step 1, 2 and 3)
Label enzymes present in each step
Provide a description of each step.
Answers
The three steps in the process of DNA replication are as follows:
Initiation: It involves the recognition of the position of a DNA molecule where replication will begin. Elongation: It concerns the events occurring at the replication fork, where the parent polynucleotide is copied. Termination: It occurs when the parent molecule has been completely replicated. What is DNA replication?DNA replication may be defined as a type of biological process through which a copy of the DNA in a cell is made before the cell divides. This methodology involves the synthesis of two identical replicas of DNA from one original DNA molecule.
The first step in DNA replication is the unzipping of DNA by the enzyme helicase. During the elongation stage, the enzyme primase creates a small complementary sequence of RNA nucleotides called a primer.
DNA polymerase is the most potent enzyme here. During termination, DNA replication comes to an end through the help of enzymes like DNA topoisomerase, TUS, etc.
Therefore, the three steps in the process of DNA replication are well described above.
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Pleaeeee help me I love u so much if I do :) your the besttttttt
Answers
Which might you use to observe the properties of matter
1 resource we need like air
2 anything we see like tree
3 anything we feel like water
4 anything that takes up to space
Answers
How many dominant and recessive traits will be produced in the progeny of F2?
Answers
In in the progeny of F2, the genotypic ratio of dominant and recessive traits will be produced is 3:1.
Mendel frequently noted a phenotype ratio of three plants with the dominant phenotype to one plant with the recessive phenotype in the F2 generation, the offspring of monohybrid crossings.
The genotype of the F2 progeny in a monohybrid cross might take on homozygous dominant, heterozygous, or homozygous recessive forms.
Mendel performed a number of crosses on the garden pea plant to gain insight into the inheritance pattern of characteristics. A monohybrid cross, which shows the pattern of inheritance of a single gene with two alleles, controlling a single character with two attributes, is one of these hybrids.
A monohybrid cross examines just one character. Consider the pea plant's height as an example. Tall and dwarf are the two characteristics of height that are displayed. The height-regulating gene is shown as T/t. The mutation "T" causes plants to be tall, whereas the allele "T" causes them to be dwarf.
Purebred or homozygous parents are chosen for the cross depending on the desired features. This indicates that the genotype of the tall parent plant will have both of the T and TT alleles. The genotype of the dwarf parent plant will contain both 't' alleles as 'tt'.
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competition among organisms from the same species
active fight among organisms
organisms preventing others from using a resource
intraspecific
1000
exploitation
interspecific
interference
Reset
Next
Answers
Competition among organisms of different species(Interspecific )
Competition among organisms from the same species(Intraspecific)
Active fight among organisms(Competition)
Organisms preventing others from using a resource(Interference)
What are competitions?Competition is a biological, economic or social phenomenon where individuals or groups compete against each other for limited resources or opportunities, such as food, water, shelter, mates, jobs or recognition. In biology, competition can occur between members of the same species (intraspecific competition) or between members of different species (interspecific competition) and can have an impact on survival, reproduction and evolution.
In economics, competition is the rivalry among businesses or individuals for customers, market share, profits or resources and can affect prices, quality, innovation and efficiency. In society, competition can take various forms, such as sports, academic or artistic competitions, contests, elections, or social hierarchies, and can influence motivation.
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i need help putting the words in each line, can only use 1 word once.
Answers
Microscope
Animal
Plant
Nucleus
Mitochondria
Cell membranes
Cell wall
Golgi bodies
Vacuoles
Endoplasmic reticulum
Ribosomes
Lysosomes
Chloroplast
Identify the ppe to be used when delivering a food tray to a resident who has a skin infection or open wound. Check all that apply.
Answers
The personal protective equipments used while delivering food tray to resident with skin infections or open wounds are face shield, gloves and gown.
What are personal protective equipments ?
Personal protective equipment is a protective clothing which is worn to protect the wearer's body from hazard or injury. The hazards which can be addressed by the use of personal protective equipment are physical, chemical and bio hazards.
It imposes a barrier between the user and the working environment. The main purpose of personal protective equipment is to reduce exposure of employees to the hazards.
It has a limitation that it does not eliminate the hazard and may lead to harm to the employee, if the equipment is damaged. It is not effective if it is not worn or fitted properly.
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Note: May be the correct question is as follow,
Question: Identify the PPE to be used when delivering a food tray to a resident who has a skin infection or open wound
Check all that apply.
a. Mask or respirator
b. Goggles
c. Face Shield
d. Gloves
e. Gown
f. No PPE is needed
Answer:
GLOVE AND GOWN
Explanation:
Cellular respiration uses one molecule of glucose to produce how many ATP molecules?
Answers
Answer:
it produces 38 atp from 1 molcule
Please help me!!!!!!!!!!!!
Answers
During , the cell's nucleus duplicates itself and the cell divides. During , a specialized form of cell division occurs to form egg and sperm cells.
Answers
a specialized form of cell division occurs to form egg and sperm cells : Mitosis, Meiosis, Fertilization
What is Fertilization?
During fertilization, the main nucleus of an embryo is formed by the combination of a paternal sperm nucleus and a maternal egg nucleus. In reality, the process of fertilization in all organisms involves the union of the genetic material from two gametes, or separate sex cells, each of which has half the number of chromosomes that are typical for the species. In microorganisms and protozoans, the earliest type of fertilization involves the transfer of genetic material between two cells.
The fusing of the two gametes' membranes, which results in the creation of a channel that allows material to go from one cell to the other, is the first critical event in fertilization.
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Which term matches this definition?
rigid, permeable structure that protects the cell,
helps the cell maintain shape, and prevents the
cell from bursting
A. cell wall
B. cocci
C. cell membrane
D. eukaryote
Answers
It provides structural support and protection. Pores in the cell wall allow water and nutrients to move into and out of the cell. The cell wall also prevents the plant cell from bursting when water enters the cell.
If the heart becomes damaged or weakened, how will this affect the body’s systems?
The circulatory system will not function well, which will affect all other body systems.
Only the circulatory and respiratory systems will be affected.
Only the nervous system will be unable to function.
The muscular system will strengthen the heart.
Answers
Explanation: your answer is A
Answer:
The circulatory system will not function well, which will affect all other body systems. A.
Explanation:
I did the quiz. hope that helped :)
a single microbial species can often have different strains or sterotypes. they differ slightly in their genetic content, mainly in genes that convey (severity of) virulence. True/False
Answers
True. A single microbial species can have different strains or genotypes that vary in their genetic content, including genes that encode virulence factors.
These genetic differences can result in variations in the severity of disease caused by different strains of the same species. For example, certain strains of Escherichia coli can cause mild gastroenteritis, while others can cause severe diarrheal disease or even life-threatening complications such as hemolytic uremic syndrome.
Similarly, different strains of Streptococcus pneumoniae can vary in their ability to cause invasive infections such as pneumonia, meningitis, or sepsis. Understanding the genetic diversity and virulence potential of microbial species and strains is important for developing effective diagnostic and treatment strategies.
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99. ʺtyphoid maryʺ is an example of a ________ because she was infected by the causative agent for typhoid fever yet was asymptomatic. A) fomite B) carrier C) vector D) vehicle 100. Diseases can be controlled through immunization even if the percentage of the population that is immunized is less than 100% because A) vectors can be controlled through other means. B) most diseases lack reservoirs. C) of herd immunity. D) vehicles can be sterilized.
Answers
"Typhoid maryʺ is an example of a B) carrier because she was infected by the causative agent for typhoid fever yet was asymptomatic. Diseases can be controlled through immunization even if the percentage of the population that is immunized is less than 100% because C) of herd immunity
Typhoid Mary was a carrier of the bacteria that causes typhoid fever but did not exhibit any symptoms. Asymptomatic carriers are individuals who are infected with a pathogen but do not show any signs of illness. These carriers can unknowingly transmit the pathogen to others, which can lead to outbreaks of the disease.
Herd immunity occurs when a high enough percentage of the population is immunized against a particular disease, making it difficult for the pathogen to spread even among those who are not immunized. This means that even if not everyone is immunized, the spread of the disease can still be controlled because there are fewer susceptible individuals in the population. Vectors and vehicles can also be controlled through other means, but herd immunity is the most important factor in controlling the spread of many infectious diseases. The correct option for first question is B and second question is C.
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The field of _____ is concerned with how variations in behavior and development result from the interaction of genetic and environmental factors.
a. endophenotypes.
b. behavioral neuroscience.
c. behavior genetics.
d. epigenetics.
Answers
Behavior genetics is a field that focuses on how variations in behavior and development in living organism, result from the interaction of genetic and physical environmental factors.
What is genetics?Genetics can be defined as the scientific study of genes, heredity and the similarities or variations of traits (inherited characteristics) in living organisms such as humans, animals and plants.
The field of genetics.Basically, genetics comprises various fields and these include the following:
Classical geneticsDevelopmental geneticsConservation geneticsEcological geneticsEvolutionary geneticsBehavior geneticsBehavior genetics is a field that focuses on how variations in behavior and development in living organism, result from the interaction of genetic and physical environmental factors.
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