can someone reword this for me plsss <333333
Transmission electron microscope - The transmission electron microscope uses electrons instead of light. a light microscope is limited by the wavelength of light. TEMs use electrons as "light source" and their much lower wavelength makes it possible to get a resolution a thousand times better than with a light microscope. The possibility for high magnifications has made the TEM a valuable tool in both medical, biological and materials research.Compound light microscope - Microscope with more than one lens and its own light source. There are ocular lenses in the bonicular eyepieces and objective lenses in a rotating nosepiece closer to the specimen. To ascertain the power of magnification of a compund light microscope, it's needed to take the power of the objective lens and multiply it by the eyepiece which is generally 10x. Although sometimes found as monocular with one ocular lens, the compound binocular microscope is more commonly used today. The first light microscope dates back to 1595, when Zacharias Jansen created a compound microscope that used collapsing tubes and produced magnifications up to 9X.
How does caffeine get into the brain hint look at the chemical structure of caffeine?
Ultrasound may be used for medical purposes to see babies in the womb or to break up kidney stones. The uses depend on the frequencies used and how they are focused. How do ultrasounds compare to sounds a human can hear?
A. Ultrasound sounds are actually not sounds but are forms of radiation.
B. Ultrasounds are very high frequency sounds humans cannot hear.
C. Ultrasound waves are too large to travel into the inner ear.
D. Ultrasound waves travel as transverse waves instead of compression waves.
Answer:
B
Explanation:
It is the answer because ultrasounds have hig frequency you cannot hear which the ultrasound will help you know how the baby is breathiing and how healthy it is.
Things like your eye color and height are not under your control. This is because they are determined by your genes. So, eye color is a good example of an inherited __________. A) estate B) gene C) height D) trait
Answer:trait
Explanation:
Things like the eye color and height are not under the control because they are determined by the genes. So, eye color is a good example of an inherited trait that is in Option D.
What is a trait?A trait is a distinguishing characteristic or quality that is determined by an individual's genes or genetic makeup. Traits can include physical characteristics such as eye color, height, and hair color, as well as behavioral traits like shyness or outgoingness. Inherited traits are those that are passed down from parents to their offspring through genetic material like DNA. Eye color is a good example of an inherited trait because it is determined by multiple genes inherited from both parents and cannot be changed by personal choices or external factors.
Hence, So, eye color is a good example of an inherited trait that is in Option D.
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What are the energy units that are necessary for a jump up or that are released in a drop down called?
What is the genetic center of the eukaryotic cell?
The genetic center of the eukaryotic cell is the nucleus, where the majority of the genetic material is located.
Nucleus stores most of the cell's genetic material in chromosomes in a membrane-bound organelle. DNA, which controls cell function, is in these chromosomes.
Genes organise DNA in the nucleus. Genes include nucleotide sequences that create proteins or govern biological activities. The nucleus controls DNA access by transcription factors and other regulatory molecules.
The nucleolus synthesises and assembles ribosomes. The nucleus controls gene replication, transcription, and regulation, affecting the cell's structure, function, and behaviour.
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In a test cross, peas of an unknown genotype are crossed with peas of a known genotype. in this example, smooth peas are the unknown and wrinkled peas are the known (rr). if half of the offspring from that cross are smooth and half are wrinkled, what is the genotype of the unknown plant?
Final answer:
The unknown genotype for smooth peas that produces half smooth and half wrinkled offspring when crossed with wrinkled (rr) peas must be heterozygous (Rr). If the parent plant is heterozygous, the probability of getting three round pea offspring in a single sample is 27/64.
Explanation:
In genetics, a test cross is used to determine the genotype of an individual expressing a dominant trait when crossed with an individual expressing a known recessive trait. In this case, smooth peas have a dominant phenotype and wrinkled peas have a recessive phenotype (rr).
Considering the scenario where the unknown genotype for round peas produces offspring that are half smooth and half wrinkled when crossed with rr peas, it suggests that the unknown plant is heterozygous (Rr). This is because a homozygous dominant plant (RR) would not produce any wrinkled progeny when crossed with a rr plant, as R is dominant over r and all offspring would display the dominant round phenotype. On the other hand, a heterozygous plant (Rr) crossed with a homozygous recessive plant (rr) would produce offspring with a 1:1 ratio of round to wrinkled peas, explaining the observed results.
If the round pea parent plant is heterozygous (Rr), the probability that a random sample of three progeny peas would all be round can be calculated. Since the round pea (R) is dominant over the wrinkled pea (r), each offspring has a 3/4 chance of being round. Therefore, the probability of all three being round is (3/4) × (3/4) × (3/4) = 27/64.
Phrase to describe cellular respiration
A single exercise session is referred to as resistance ________, while the combination of many consecutive sessions over time is resistance ________.
The limiting factor of a desert biome is its _____.
Answer: The limiting factor of a desert biome is its 10 cm of annual rainfall.
A desert is a biome which receives less than 10 inches of rainfall per annum and has no or sparse vegetation.
In ecological terms, the limiting factor refers to any natural resource or condition which limits the population size. The rainfall received by a desert biome is very less and the water received as precipitation either gets evaporated or gets frozen in hot and cold deserts respectively. Very few plant and animal species can adapt to such harsh conditions for their survival.
Therefore, water becomes a limiting factor of a desert biome apart from the extreme temperatures and food scarcity.
The harmless scarlet kingsnake has scales in a coloration and pattern resembling the scales of the dangerous coral snake. The scarlet kingsnake is using __________ to avoid predation
The scarlet kingsnake is using mimicry to avoid predation.
What are scarlet kingsnakes?This a specie of snakes mostly kingsnakes found in the southeastern and eastern portions of the United States. they are also referred as scarlet milk snake.
Predation is a biological interaction in which one organism, the predator, kills and consumes another, the prey. It is one of several common feeding behaviors, including parasitism, micropredation, and parasitoidism.
In evolutionary biology, mimicry is defined as an evolved resemblance between an organism and another object, most often another organism of the same species. Mimicry can occur between species or between individuals of the same species.
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F a drug has the side effect of inhibiting osteoblast activity, how may taking this drug impact the patient's skeletal system?
A caldera forms when _____.
A- A volcano erupts
B- A hot spot develops
C- Magma hardens in vertical cracks
D- A volcano collapses
When swallowing, the epiglottis prevents food from entering the larynx?
Which latitudinal zone grows the most grapes for wine?
What causes the increased size of an activated cervical lymph node during infection?
The abbreviation of the medical term referring to the result of decreased secretion of antidiuretic hormone by the posterior lobe of the pituitary gland causing polydipsia and polyuria is
Mistletoe grows on other plants, tapping into the nutrients of the host plant. mistletoe can kill its host plant. the relationship between mistletoe and its host plant is best described as a(n) ______________.
Answer: The type of relationship your answer is about is parasitism it’s when Parasitism is a symbiotic relationship between species, where one organism, the parasite, lives on or inside another organism, the host, causing it some harm, and is adapted structurally to this way of life. The entomologist E. O.
The parasite trypanosoma cruzi, which causes chagas disease, has a crystalline rod inside of its flagellum and a kinetoplast; in what protozoan group does it belong?
If someone tells you they have a sample of niobium-90, can you tell how many neutrons are in the nucleus
“Organisms in a community reflect the resources and climate of that community.” Give some examples to illustrate this statement.
Answer:
Explanation:
The organisms vary in diversity on the basis of the environment and community in which they live. The climate and community are responsible for the diversity in organisms. For example, in desert the organisms experience harsh and dry climates due to lack of rainfall. This results in scanty growth of plants and few animal species located and found in the desert region. Whereas, in tropical rainforests the availability of rain helps in development of trees with 80 feet height and dense canopy.
Do opposites attract or do birds of a feather flock together
Both "opposites attract" and "birds of a feather flock together" hold some truth, but neither is entirely accurate as a universal principle for attraction or relationships.
What are these statements about?
Evidence for opposites attracting:
Complementary traits: Some people may be drawn to partners who possess qualities they lack, seeking a balance or feeling complete with someone different. For example, someone who is impulsive might be attracted to a partner who is more cautious.
Novelty and excitement: Differences can be initially exciting and stimulating, creating a spark of interest and curiosity.
Evidence for birds of a feather flocking together:
Shared values and interests: Similarities in values, lifestyle, interests, and background can create a sense of comfort, understanding, and shared goals. This can be a strong foundation for a lasting relationship.
Communication and ease of understanding: Shared experiences and language can make communication easier and more fulfilling, fostering deeper connection.
He megasporocyte has a ______ ploidy and will divide via _____ to produce ______.
Explain methods by which the rate of photosynthesis can be measured, including conditions that affect the rate
A red bird and a blue bird mate, and their offspring are purple in color. What type of inheritance is this?
This inheritance is termed as Incomplete Dominance.When a red bird and blue bird mate the result is a purple offspring.This is because neither of the two colors are expressed.This type of a cross results in formation of a new colored offspring here it is purple.Incomplete dominance is a trait in which an intermediate offspring is formed because one allele is not completely expressed over the other paired allele.The resulting offspring is formed with characters that is a combination of both of their parents character.
Why is it important to constantly swirl the contents of the beaker after the catalase has been added to the hydrogen peroxide?
Catalase is an enzyme which breaks down hydrogen peroxide into water and oxygen. Hydrogen peroxide is a toxic by-product of metabolism, so it is essential for it to be broken down quickly, or else, it would cause damage to cells. Without the aid of catalase, decomposition would take much longer, thus, would not be fast enough to sustain human life. Some experiments are done to determine the rate of an enzymatic reaction between catalase and peroxides. In decomposition reaction of peroxide by catalase , the easiest molecule to measure would be oxygen as a final product. While certain procedures are applied in determining the amount of oxygen, the techniques of swirling are applied for accuracy of reactions. Swirling is important because it makes it possible for further collisions to take place between the catalase enzyme and the hydrogen peroxide. More collisions mean the reaction is occurring to the fullest achievable extent.
During the course of successful prenatal development, a human organism begins as a(n) _____ and ends up as a(n) _____.
Throughout prenatal development, a human organism begins as a zygote and becomes a newborn. The fetus stage spans from the ninth week of gestation until birth, during which vital development and differentiation occur.
Explanation:During the course of successful prenatal development, a human organism begins as a (n) fertilized egg (zygote) and ends up as a (n) newborn. Throughout prenatal development, specifically starting from the ninth week of gestation, the organism is referred to as a fetus. This is an important stage in human development that continues until birth, marked by immense cell growth and the differentiation necessary to fully develop the structures and functions of the immature organ systems that were formed during the embryonic stage.
The entire prenatal journey encompasses several stages, starting with the germinal stage immediately after fertilization, proceeding through to the embryonic stage which lasts until the eighth week, and finally entering the fetal stage from the ninth week to birth. Significant development occurs during these stages, including sexual differentiation within the fetal period, organogenesis, and other crucial processes. The result of this intricate process is the birth of a human capable of survival outside the womb.
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Several people in Kate’s town began suffering from a common disease over the past month. Kate approached a group of environmental scientists to help solve the problem.
Which field/subject can help the environmental scientists address the issue?
epidemiology
mathematics
astronomy
chemistry
physics
NextReset
Epidemiology is the field/subject that can help the environmental scientists address the issue
Epidemiology is the branch of science that deals with the spread, incidence and control of health and disease conditions in specified populations. Epidemiological investigation provides information about the number of individuals that have a disease or disorder, if there is any change in the numbers, how the society is being affected by the disease and how the disease can be controlled/ prevented.
Answer:
Epidemiology
Explanation:
The study of disease spread
Lipids are ___ molecules because they have no negative and positive poles
Lipids are nonpolar compounds that are insoluble in water due to their hydrophobic nature, providing various functions such as energy storage, insulation, and participation in cellular structures.
Lipids are a diverse group of compounds that are largely nonpolar in nature. They are hydrocarbons, consisting mainly of nonpolar carbon-carbon or carbon-hydrogen bonds. This nonpolar characteristic makes lipids hydrophobic ("water fearing"), meaning they are insoluble in water. Lipids serve various crucial functions in cells, ranging from energy storage in the form of fats to providing insulation for plants and animals. They also play an essential role in the formation of cellular membranes and are the building blocks of many hormones.
In industrialized nations, childhood diseases have declined dramatically during the past half-century, largely as a result of