Pinworms have smooth bodies, bilateral symmetry, and complete digestive tracts. What type of animal are they? cnidarians flatworms annelids nematodes
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The Hindenburg could fly because the hydrogen that filled it was “lighter than air.” Yet, hydrogen is incredibly flammable. Describe your own design for the ideal air transport machine.
Instead of hydrogen, my ideal air transportation system would lift the airplane using a non-flammable gas, such as helium. In addition to being lighter than air, helium does not have the same flammability hazards as hydrogen.
What is an ideal air transportation machine?Depending on the particular needs and preferences of people or organizations, the concept of an ideal air transportation may change. However, there are several broad properties that can be considered ideal in an ideal air transport system, such as:
Safety is the first priority in all forms of transportation, and the ideal aircraft should have strong safety measures and procedures in place to reduce the likelihood of accidents or disasters.
Efficiency: An ideal aircraft should be economical with its use of fuel, maintenance and operation. It should also be able to carry cargo or passengers safely and quickly.
Comfort: To offer a pleasant experience for passengers, the ideal air transportation vehicle should include comfortable seating, plenty of legroom, and climate control systems.
Therefore, instead of hydrogen, my ideal air transportation system would lift the airplane using a non-flammable gas, such as helium. In addition to being lighter than air, helium does not have the same flammability hazards as hydrogen.
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What are cells that express the same genes?
similar
different
mutated
not living
Answer:
Similar
Explanation:
Similar cells are the cells that express the same genes and perform the same function. Similar cells contain or store the same genetic instructions for performing similar specific functions. Cells are the basic structural and functional unit of a living organism. Cells are usually microscopic, and consist of a quantity of protoplasm surrounded by a cell membrane. Cells are able to synthesize proteins, and can replicate themselves independently. The two types of cells are; eukaryotic (cells with true nucleus) cells, and prokaryotic cells (cells without true nucleus).
What is the relationship between a mutation and a gene?
Answer:
For me its B
Explanation:
This is a condition or illness that prevents the body or mind from working
when different tissues work together, they form a(n)
??
In the provided query, when different tissues work together, they form an organ.
Tissue is defined as a group of cells that have similar structure and functions.
An organ was a collection of tissues that work together to perform a specific function. For example, the heart is an organ that is made up of muscle tissue, connective tissue, and nervous tissue.
Organs are part of larger systems present in the body, such as the circulatory system, respiratory system, and digestive system. These systems are made up of multiple organs that work together to keep the body functioning properly.
Therefore, organ is formed when different tissues are working together.
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The grass is the base of this food pyramid. The grass produces energy to support the entire pyramid or food chain through what process? A) predation B) respiration C) photosynthesis D) cell respiration
Answer: Option C.
Photosynthesis.
Explanation:
The grass produce food at the base of the pyramid through a process of photosynthesis.
Photosythesis is the process where green plants produce food and oxygen by using light energy from the sun with carbondioxide and water . It is at the base of food pyramid because it is the primary producer.
Which of the following diseases can cause paralysis?
polio
yellow fever
Rocky Mountain spotted fever
rabies
chicken pox
Among the diseases listed, polio, rabies, and Rocky Mountain spotted fever can cause paralysis.
- Polio is known for causing muscle weakness and paralysis, which can sometimes be permanent.
- Rabies, if left untreated, can lead to paralysis as the virus attacks the nervous system.
- Rocky Mountain spotted fever, a bacterial infection transmitted by ticks, can lead to neurological symptoms including paralysis in severe cases.
The incorrect options are:
Yellow fever: Yellow fever is a viral hemorrhagic fever caused by the yellow fever virus, primarily transmitted by mosquitoes. While yellow fever can cause various symptoms such as fever, headache, jaundice (yellowing of the skin and eyes), and even liver damage, it typically does not lead to paralysis.
Chickenpox: Chickenpox is a highly contagious viral infection caused by the varicella-zoster virus. While chickenpox can cause discomfort and itching due to its characteristic rash of itchy blisters, it does not typically lead to paralysis.
Why does warm water go on top of cold water
Suppose you are an astronomer, and a child asks you to explain the light given off by stars. In your own words, describe the relationship between the energy, frequency, and wavelength. Be sure to include information about the electromagnetic spectrum in your discussion. (5 points) >
the process of mechanical weathering when Rock cracks and flakes off its called__?
Which is demonstrated by arrow 3?
Which type of electromagnetic radiation is the only type that humans can see with their eyes? (2 points) Gamma rays Ultraviolet rays Visible waves Rays
Humans can only see visible light, with a wavelength range of 380 to 740 nm, which falls within the larger electromagnetic spectrum.
The type of electromagnetic radiation that humans can see with their eyes is called visible light. This form of radiation has wavelengths that range between approximately 380 and 740 nanometers (nm). The electromagnetic spectrum is vast and includes other types of radiation like gamma rays, ultraviolet rays, infrared light, microwaves, and radio waves, none of which can be seen by the human eye. Visible light represents a very small portion of the electromagnetic spectrum but is essential for human vision, as our eyes are sensitive to this range of wavelengths.
Gamma rays have the shortest wavelengths and are highly energetic and potentially harmful, but they are absorbed by Earth's atmosphere. Ultraviolet (UV) rays have slightly longer wavelengths than visible light but are still too short for us to see. Infrared light has longer wavelengths and can be felt as heat rather than seen. Radio waves have the longest wavelengths and the least energy and are also not visible to humans. The capacity to see visible light is an evolutionary adaptation to the types of waves that effectively reach Earth from the sun and penetrate our atmosphere without being blocked except by clouds.
What is true of the genetic makeup of all body cells in the human body except for sex cells?
A.) It is different based on the cell type.
B.) It is the same no matter what the cell type.
C.) It is random even within the same cell type.
D.) It is used to sort cells into organs based on chromosomal differences.
Answer: yes the answer is B) it is the same no matter what the cell type.
Explanation: I took the test! Hope this helps! <3
which of these is most likely to cause increasing numbers of severe weather events
Answer:
slowing of the thermohaline circulation
Explanation:
just got it right
The plant Arabidopsis Thaliana Has a gene which has been found to show an unusually high rate of mutation which conclusion is best supported by this observation?
A. The genus control by environment and not heredity
B. Traits associated with this gene may vary greatly in the species
C. Traits associated with this gene are beneficial to the species
D. The gene codes for flower color in the plant
Answer;
The correct answer would be option B.
Mutation refers to the random change in the nucleotide sequence of the DNA.
If a mutation occurs in a protein coding sequence of the DNA, it can result in the change of phenotype of a gene.
Thus, if a gene has a high mutation rate in a population, then the genetic variation for that gene must be high in a population.
The high genetic variation would result in high variation in the phenotype or trait associated with that gene.
Explain how differences in the niche requirements of organisms can contribute to community patterns such as zonation
one reason that electric power plants do not send out electrical energy as a direct current is that direct current can not be transformed explain why
This is because direct power has no pulsation (waveform characteristic) that is significant in electromagnetic induction. The gradual increase and decrease of power, at a given frequency, in indirect power is significant in electromagnetic induction. This enables transformers to induce electricity into the secondary coil, from the primary coil, at the core of the transformer.Transformers transform electric power by increasing or decreasing the voltage and current of electricity.
In what process are cells with half the number of DNA strands are produced.
Certain bacteria living in a human's large intestine help to produce vitamin K. The bacteria get nutrients from the human. This relationship is an example of * mutualism commensalism plant parasitism animal parasitism
a sandwich is made up of ham, lettuce,tomato, bread, and butter. describe two marcrimolecules cantined in the sandwich and effect on human body?
What kind of mixture is blood
Answer:
Blood is a colloid which mainly contains red and white blood-cells, lymphocytes and plasma.
Explanation:
Believe it or not but blood is considered an organ. That’s because it contains a collection of different types of cells suspended in a liquid, the plasma.
The most obvious type of cell is the red blood cell (erythrocytes), which provides the red color to the blood and more importantly contains haemoglobin, an iron holding protein that binds oxygen or carbon dioxide. This way these gases are transported throughout the body. Oxygen towards the tissues, carbon dioxide outward of course.
Another very important blood cell type are the white ones (leukocytes). Without going into much detail (a lot of different subtypes exist) the white blood cells are responsible for one’s immunity. Some of these cells called macrophages like to swallow stuff that’s not supposed to be in your blood.
A third important type of cell, the smallest ones, are the trombocytes or platelets. The make sure you blood coagulates when you are wounded. Without them you would bleed to death.
Besides these cells a lot of different molecules or ions are dissolved or suspended in the plasma : proteins of which a lot of albumin, vitamins, minerals. The steady bloodstream makes sure every cell in your body is provided with the nutrients it needs.
An mRNA strand has 204 bases to code for a protein from start to stop. how many amino acids will the resulting protein contain
The mRNA strand with 204 bases will code for a protein containing 67 amino acids, as each amino acid is defined by a three-nucleotide sequence, the codon. The subtraction of one is due to the stop codon which does not code for an amino acid.
Explanation:A protein sequence is made up of a chain of amino acids, each of which is coded by a three-nucleotide sequence in mRNA, known as a codon. Based on the number of bases in the mRNA strand, we can determine how many amino acids it will produce by dividing the total number of bases by three. In this case, the mRNA stand has 204 bases. However, the start and stop codons are also included in this count. So with 204 bases and 3 bases per codon, we have 68 codons. However, since one of these is a stop codon which does not code for an amino acid, the resulting protein will contain 67 amino acids.
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This type of water has a very low salt content when compared to the ocean.
Answer:
Freshwater
Explanation:
Freshwater is usually defined as those water bodies that are comprised of relatively very less amount of salt content. This includes rivers, lakes, and ponds. The amount of salt present in these water bodies is less than 1%, thereby providing the water on which the living beings are dependent on. It is comprised of less than 500 ppm of dissolved salts. These water bodies support a large number of aquatic animals.
Whereas, the ocean water body is comprised of high salinity.
Thus, the freshwater bodies contain low very salinity compared to the ocean water body.
What is a Winter Storm Watch?
the group of organisms that can be larger than a kingdom is called a a. domain b. phylum c.species d. class
Answer:
a. domain
Explanation:
Domain is the largest group of organisms. Domain is super kingdom which holds the highest taxonomic rank when it comes to categorize animals. An American microbiologist named Carl Woese et.al. proposed it in 1990.
The three domains are mentioned as under:
1) Bacteria
2) Archaea
3) Eukarya
The organisms in the three domains are classified on the basis of the kind of lipid structure in their plasma membrane, the nucleotide sequences on the rRNA of their cells and their sensitivity towards various antibiotics. The Bacteria and Archaea domians comprise prokaryotic organisms whereas Eukarya domain comprises eukaryotic organisms.
After domain it is kingdom which is the second largest group of organisms in taxonomy.
Ponds and lakes form when water collect in ... areas of land
Which of the following threats to biodiversity is a result of plants and animals introduced to an ecosystem where they are not normally found?
Answer:
THe answer is D Invasive species
Explanation:
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photosynthesis turns __________ into _________ energy.
Why is something that is a danger to coral also a danger to other species?
Question 3 options:
a. Coral provide a habitat for many marine animals and plants.
b. Coral are actually composed of more than one species of marine life.
c. Other species eat coral.
d. Coral eat other species.
Answer:
A. Coral provide a habitat for many marine animals and plants.
Explanation:
if you have ever seen anything of a coral reef you will see plenty of fish in the coral hiding from predators, etc.