Answer:
As tectonic plates slowly move away from each other, heat from the mantle's convection currents makes the crust more plastic and less dense. ... This rock (basalt) becomes a new part of Earth's crust. Mid-Ocean Ridges. Seafloor spreading occurs along mid-ocean ridges—large mountain ranges rising from the ocean floor.
What’s the correct mRNA sequence from the DNA strand: TAC GCC CGA ATC
A. ATG CCG GCU TAG
B. AUG GCC GCU UAG
C. AUG CGG GCU UAG
D. AUG CCG GCT UAG
E. ATG CCG CGT TAG
Answer:
C. AUG CGG GCU UAG
Explanation:
This works the same as a normal DNA strand, A=T, C=G, except for one difference. Thymine is not an mRNA base, instead it is Uracil. Therefore, if there is an A, you would typically replace it with a T, but for mRNA you will replace it with a U. Keep in mind you will still replace the T in the DNA strand with an A in the mRNA strand :)
Which describes where fog forms?
(A) at the ground
(B) in the upper atmosphere
(C) where the air has very low humidity
(D) where the atmosphere contains few particles
Answer: A.) at the Ground
Explanation: Just did the edgeunity Pretest ;)
Answer:
A) at the ground
Explanation:
edge 22
Damage to which structure will most directly disrupt water balance within a single-celled organism? A characteristic common to both diffusion and active transport is that
Answer:
cell membrane
Sometimes, a mother who is affected with a mitochondrial disease will have an unaffected child. Which of the following could explain this observation?
A. The phenotype could be affected by nuclear genes, which could differ among children.
B. Environmental factors (such as taking antibiotics) could affect expression of the phenotype.
C. The affected mother could be heteroplasmic.
D. One or more of the children could inherit the majority of their mitochondria from an unaffected father.
C. The affected mother could be heteroblastic . The chance of producing an unaffected child increases if the egg has a higher proportion of normal DNA.
What is Phenotype?
Phenotype refers to the observable physical, biochemical, and behavioral characteristics of an organism, which are determined by the interaction of its genotype (genetic makeup) with the environment. It is the expression of the genes of an individual, which can be influenced by various factors such as the individual's developmental history, environmental factors, and lifestyle.
Mitochondrial diseases are caused by mutations in mitochondrial DNA ( DNA). Inheritance of DNA follows a maternal pattern, meaning that the DNA is passed down from the mother to her offspring. In some cases, a mother who has a mitochondrial disease may have some unaffected children. One possible explanation for this is that the mother is heteroblastic, meaning that she has a mixture of normal and mutant DNA in her cells. When she produces eggs, the distribution of normal and mutant DNA in each egg can vary, and this can result in some eggs having predominantly normal DNA, while others have predominantly mutant DNA.
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If you’re going hiking this weekend and you have the option of hiking a mountain (A) that is 1400 meters in height and a mountain (B) that is 650 meters in height, BUT you know that you have limited time because of other plans – which mountain would you choose to hike? Why?
Answer:
I would choose mountain B cause it's only 650 meters short from mountain A (1400 meters )
Explanation:
short the length less the time we take to cover .
so we will complete our hiking soon. we will get time to do other things .. so it will be best to hike on mountain B
Which layers of sedimentary rock at Grand Staircase Escalante National Monument do you think are the oldest? Use evidence to support your claim.
The oldest layers of the sedimentary rock at Grand Staircase Escalante National Monument is the chocolate layer.
Chocolate layer of sedimentary rock at Grand Staircase Escalante National MonumentIt is the oldest layer because it was the first layer that was formed. It was formed between 200 to 225 million years ago. It was made up of kaibab limestone and served as bottom layer of the Grand staircase.
The Grand staircase is made up of five layers and they are listed from youngest to oldest below.
Pink Cliffs.Grey Cliffs.White Cliffs.Vermilion Cliffs.Chocolate Cliffs.The Grand staircase is made up of sedimentary rock and it is of different colorful layers.
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Why are invasive species significants?
Answer:
Invasive species can change the food web in an ecosystem by destroying or replacing native food sources. Invasive species can also alter the abundance or diversity of species that are important habitat for native wildlife.
Explanation:
List two organs in each of the system
below
Digestive system
Respiratory system
Answer:
Digestive system organs: small intestine & liver
Respiratory system organs: lungs & trachea
Complete the following statements by writing the appropriate word or phrase on the correspondingly numbered blank: The two basic tissues of which the skin is composed are dense irregular connective tissue, which makes up the dermis, and .... , which forms the epidermis. The tough water-repellent protein found in the epidermal cells is called . .. . The pigments melanin and .... contribute to skin color. A localized concentration of melanin is referred to as a .... . (choice: 1.stratified squamous epithelium 2.keratin 3.carotene 4.freckle)
The two basic tissues of which the skin is composed are dense irregular connective tissue, which makes up the dermis, and stratified squamous epithelium, which forms the epidermis.
The tough water-repellent protein found in the epidermal cells is called keratin.
The pigments melanin and carotene contribute to skin color.
A localized concentration of melanin is referred to as a freckle.
What is tissue?A group or layer of cells that collaborate to carry out a certain function. A tissue is formed when a group of cells collaborate to accomplish the same function in unison. Blood, for example, is a fluid connective tissue, as are bones. Tissue is a collection of cells that have a similar structure and act as a unit. The body's tissues are classified into four types: epithelial, connective, muscular, and nerve tissue. Tissues make up all bodily components, including the organs.
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Which of the following would provide best evidence that the trait is dominant
Answer:
In genetics, a trait is considered dominant when it is expressed in the phenotype of a heterozygous individual, meaning that it only requires one copy of the dominant allele to be expressed. On the other hand, a recessive trait is only expressed when both copies of the allele are present in the individual's genotype.
To provide the best evidence that a trait is dominant, we would need to observe the trait in the phenotype of all individuals who carry at least one copy of the dominant allele. This means that if an individual has one dominant allele and one recessive allele, they should still show the dominant trait in their phenotype.
In practice, this could be demonstrated through a series of crosses between individuals with known genotypes. If the offspring of a cross between a homozygous dominant individual and a heterozygous individual all show the dominant trait, this would be strong evidence that the trait is dominant. Similarly, if the offspring of a cross between two heterozygous individuals show the dominant trait in a 3:1 ratio, this would also support the idea that the trait is dominant.
In general, the best evidence for a dominant trait would be consistent expression of the trait in the phenotype of individuals who carry at least one copy of the dominant allele. This can be observed through controlled breeding experiments and statistical analysis of the resulting offspring.
In which structure do sperm cells develop to maturity?
Answer: Epididymis
Explanation: The sperms are stored in the spiral structure of the epididymis for maturation and then released.
Sperm cells mature in the structure called the seminiferous tubules within the testes. After developing in these tubules, the sperm move to the epididymis where they continue to mature and then during ejaculation, they exit the body via the vas deferens. This highlights the different stages of sperm development and maturity in the male reproductive system.
Explanation:Sperm cells develop to maturity in a structure called the seminiferous tubules, which are coiled inside the testes. The least developed sperm are located at the periphery of the tubule, while the fully developed sperm are in the lumen. Within the walls of these tubules, the sperm cells are mixed with Sertoli cells, also referred to as 'nursemaid cells', which protect the germ cells and support their development.
Once the sperm cells have developed, they exit the seminiferous tubules and move to the epididymis where they continue their maturation process. The epididymis is a coiled tube located on the top and posterior of the testes. Upon ejaculation, the mature sperm leave the epididymis, travel through the vas deferens, and form the ejaculatory duct.
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name three important factors that can effect the rate of photosynthesis
Answer:
light intensity, carbon dioxide concentration and temperature.
Explanation:
is the plant which eat (carnivorous plant), if there is what is there name and can you send a picture of it
Answer: venus flytrap and etc
Explanation:
venus flytrap is a type of plant where they eat small insects for its nutrients
2 Itching and other skin problems are signs that a cat or dog may have fl eas. Fleas are parasites known for their biting and blood-sucking abilities. When they bite, fl ea saliva enters the pet’s circulatory system, sometimes causing an allergic response commonly seen as a “hot spot” on the pet’s neck or the base of its tail
Itching and other skin problems are signs that a cat or dog may have flea. Fleas are parasites known for their biting and blood-sucking abilities. When they bite, flea saliva enters the pet’s circulatory system, sometimes causing an allergic response commonly seen as a “hot spot” on the pet’s neck or the base of its tail.
Fleas are tiny parasitic insects that infest the fur of dogs and cats. They feed on blood and cause skin irritation that results in itching. If the problem is severe, it can lead to more significant health issues. Pet owners should watch for signs of fleas and treat their pets promptly to avoid complications. Fleas lay eggs on the skin of dogs and cats, which hatch and develop into larvae.
The larvae feed on the skin, shedding as they mature. Adult fleas emerge from the larvae, biting the host to feed on blood. The process repeats itself, with adult fleas continuing to lay eggs on the skin of the pet.The most common sign of fleas in dogs and cats is itching. Pets will often scratch themselves, bite their skin, or lick excessively to relieve the irritation.
Other signs of fleas include red or inflamed skin, hair loss, and the appearance of small, raised bumps on the skin. These bumps are often referred to as "flea dirt" and are the waste products of the fleas. In severe cases, anemia, an allergic reaction, or the transmission of other parasites or diseases can occur.
Flea infestations can be treated with a variety of products, including topical treatments, shampoos, and collars. It is essential to follow the instructions on the product label and treat the pet and the surrounding environment to eliminate the fleas. Prevention is key to avoiding flea infestations, so pet owners should maintain a regular grooming and flea prevention schedule.
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the skeletal system includes all the bones and joints in the body. each bone is a complex living organ that is made up of , , and . (choose three.)
The skeletal system includes all the bones and joints in the body. Each bone is a complex living organ that is made up of cartilage, tendons, muscle.
What is skeletal system?
The skeletal system is the body's support system that consists of the bones, muscles, ligaments, and tendons that work together to ensure the body can move and function properly. Bones provide the body with stability, and are composed of a hard outer layer called cortical bone and a spongy interior called trabecular bone. Muscles are attached to the bones by tendons, and provide movement and locomotion. Ligaments are fibrous bands of connective tissue that hold bones and organs together and provide stability. The skeletal system helps to protect our organs and enables us to move and perform everyday tasks. It also provides a structure for muscles to attach to, and creates leverage for movement. The skeletal system also produces blood cells and stores minerals. Without the skeletal system, our bodies would not be able to function.
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Shania has a family history of a genetically inherited disease. Based on this information, which statement is true? O Shania has an increased risk of the disease. Shania will get the disease at some point in her lifetime. O If Shania makes unhealthy choices, she will get the disease. The disease will be expressed in all her offspring that have that gene.
Answer:
Shania will get the disease at some point in her life
Explanation:
this will happen because the sickness is genetically implanted in her family
Answer:
The diesease will be apart of the genes in her offspring.
Explanation:
Often times mothers with the sickness gene will spread down the gene therefore starting the generational infection in the first place.
The photo on the left shows an alligator hiding in swamp water. The photo on the right shows an alligator with a mutation for white skin.
What kind of effect is the mutation most likely to have on the alligator?
A. Neutral, because it will have a easier time staying warm
B. Harmful, because it will have a harder time sneaking up on its prey
C. Harmful, because it will have a harder time staying clean
D. Beneficial, because it will have an easier time finding a mate
Answer:
A. Neutral, because it will have a easier time staying warm
Explanation:
read the statement and provide the pattern of evolution:The Dodo was a flightless bird, first spotted by Dutch sailors in 1598. Dodos had no known predators until sailors started hunting them and new invasive species were introduced. The last sighting of a Dodo was in 1662.
answer and explanation
The dodo bird likely evolved through divergent evolution from flightless African Penguins, through time they became stranded on the predator free Island. Through hunting and the introduction of invasive species by sailors caused their extinction.
The provided table shows the properties of four different sample materials. One of these materials is cork, a type of wood that floats on water (density of water = 1.00 g/cm3What is the density of cork in g/cm3Record and bubble in your answer on the answer document.
The density of cork can vary depending on factors such as its moisture content and the specific type of cork, but a typical range for the density of cork is around 0.24 to 0.32 g/cm3.
What is Density?
Density is a physical property of matter that describes how much mass is contained in a given volume of a substance.
Density = Mass / Volume
The standard unit of density is kilograms per cubic meter (kg/m3) in the International System of Units (SI), but it can also be expressed in grams per cubic centimeter (g/cm3) or other units.
However, based on the information you have provided, cork is a type of wood that floats on water, which means its density is less than that of water. The density of water is 1.00 g/cm3, so the density of cork must be less than 1.00 g/cm3 in order for it to float. In general, the density of cork can vary depending on factors such as its moisture content and the specific type of cork, but a typical range for the density of cork is around 0.24 to 0.32 g/cm3.
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(100 Points + Brainliest)
How does the function of the chicken, human, and other vertebrate forelimbs differ?
How might natural selection account for the development of different uses for limbs in different species?
What do these homologous structures tell us about evolution?
Explanation:
Explanation:
The vertebrate forelimb of human, bird, and bat may not appear to have much in common, but a closer examination of the anatomy shows that the same bones were applied to a variety of different jobs in each of these species. Evolution doesn't plan ahead. It can only work with what's available. The color coding shows the way the bony elements were modified in each species. You might think that the two wings would be more similar in design because of the job they do but, in fact, the bird wing and human arm are more similar on the interior. However, the bird "hand" is reduced, whereas the bat and human hand have more in common. See if you can find a similar image of a dolphin or whale flipper for another comparison.
Natural selection is a mechanism of evolution. Organisms that are more adapted to their environment are more likely to survive and pass on the genes that aided their success. This process causes species to change and diverge over time.
Homologous structures are structures that are similar in related organisms because they were inherited from a common ancestor. These structures may or may not have the same function in the descendants. Figure \(\PageIndex{3}\) shows the upper appendages of several different mammals. They all have the same basic pattern of bones, although they now have different functions. All of these mammals inherited this basic bone pattern from a common ancestor.
In the model of the cycle of energy above, what is job of the sun?
Answer:
the job of the sun is to give light and energy to plants for photosynthesis which plants turn the light energy to chemical energy then give the chemical energy to animals and then it starts all over again and again.
Explanation:
Select the correct answer from each drop-down menu. When is used to explain a set of observations, there is always a chance that an alternative explanation may be more accurate. In the practice of science, this type of reasoning is used to develop explanations. rights reserved Reset Next Jun 14
In the practice of science, hypothesis testing is used to develop explanations, acknowledging the possibility of alternative, more accurate explanations.
When hypothesis testing is used to explain a set of observations, there is always a chance that an alternative explanation may be more accurate. In the practice of science, this type of reasoning, known as critical thinking, is used to develop explanations. Scientists formulate hypotheses based on available evidence and conduct experiments or gather data to test them. However, they remain open to the possibility that their initial hypothesis may be incorrect or incomplete. By considering alternative explanations and conducting rigorous testing, scientists strive to uncover the most accurate and reliable explanations for natural phenomena. This process encourages objectivity, peer review, and the advancement of knowledge, allowing for a deeper understanding of the natural world.For more such questions on Hypothesis testing:
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Which of the following is correct
Answer:
D
Explanation:
Answer:
option C.- There is an abundance of lava in volcanoes around the world.
The picture below represents an atom of the element beryllium
How many electrons are in this atom?
A. 4
B. 13
C. 5
D. 9
Answer:
A. 4
Explanation:
An atom of beryllium has 4 electrons
How is the nitrogen cycle important to humans?
A.It produces free nitrogen that humans can breathe.
B.It converts nitrogen into a form that humans can obtain by eating other organisms.
C. It produces nitrogen compounds that humans can breathe.
D. It converts nitrogen into a form that humans can obtain by absorbing it through their skin.
The nitrogen cycle is important to humans in the following way: it converts nitrogen into a form that humans can obtain by eating other organisms (option B).
What is the nitrogen cycle?Nitrogen cycle is the natural circulation of nitrogen in a series of processes by which nitrogen and its compounds are interconverted in the environment and in living organisms, including nitrogen fixation and decomposition.
During the nitrogen cycle, atmospheric nitrogen is converted to nitrogen oxides by lightning and deposited in the soil by rain, where it is assimilated by plants and either eaten by animals (and returned as faeces) or decomposed back to elemental nitrogen by bacteria.
The usable form of nitrogen that is assimilated by plants becomes accessible to humans when they consume the plants, hence, depicting the importance of the nitrogen cycle.
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Which of the following is NOT part of the CIRCULATORY
system?
O artery
O capillary
O platelet
O alveoli
Answer::artery, atrium, blood vessel, capillary, circulatory system, heart,
The _____ is the basic unit of life. Responses A cell B heart
Answer: The cell is the basic unit of life.
Explanation:
Plz help what is the answer to this
Answer:
Your answer is D) Competing with native species of snakes for food
(Sorry if it is wrong)
Explanation:
Pythons compete with native wildlife for food, which includes mammals, birds, and other reptiles. Severe mammal declines in Everglades National Park have been linked to Burmese pythons. Raccoons and opossums often forage for food near the water's edge, which is a habitat frequented by pythons in search of prey.
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1. Fill in the rest of the table based on the information already there.
2. What is the percentage of heterozygous tasters (2pq) in the class?
1. The filled table based on the information already there is attached below.
2. The percentage of heterozygous tasters in the class is 39%.
How to calculate percentage?2. The percentage of heterozygous tasters (2pq) in the class:
The percentage of heterozygous tasters in the class is 39%. This can be calculated by taking the number of heterozygous tasters (11) and dividing it by the total number of people in the class (28).
(11 / 28) × 100 = 39%
The percentage of heterozygous tasters in the North American population is 55%. This can be calculated by taking the number of heterozygous tasters (75) and dividing it by the total number of people in the North American population (135).
(75 / 135) × 100 = 55%
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Can the size of a supercoiled plasmid DNA be determined by using standard DNA size fragment electrophoresed in parallel? Please explain why or why not?
Answer:
No, not at all. The standard DNA and the plasmid have different conformations. DNA is separated using agarose gel electrophoresis based on its size and form. Because super coiled plasmid DNA
Explanation: