Final answer:
Hookworms are transmitted to humans through skin contact with soil contaminated by feces of infected animals, making the correct answer D. by skin contact.
Explanation:
Hookworms are transmitted primarily through skin contact with soil that is contaminated by infected dog or cat feces. The larvae present in contaminated soil can penetrate the skin of a human host. This can often occur through bare feet, which is why wearing shoes in areas where hookworms may be present is an important preventative measure. This kind of transmission allows the larvae to enter the bloodstream and be carried to the lungs. From the lungs, they are coughed up and then swallowed, ultimately reaching the intestines where they mature into adult worms.
Therefore, the correct answer to how hookworms are transmitted is D. by skin contact. This transmission route is different from fecal-oral transmission, vector transmission by insects such as mosquitoes, ticks, and fleas, or air dispersal mechanisms whereby infectious agents spread through airborne particles or droplets.
what proportion of the progeny carries the allele for wrinkled skin in the genotype
Answer:2/3
Explanation:
this is the ancwer i got
Final answer:
The proportion of F2 progeny with the allele for wrinkled skin is expected to be 1/4 when considering a dihybrid cross of two heterozygous pea plants. This is based on the principles of Mendelian genetics and the monohybrid 3:1 ratio characteristic of a single trait with one dominant and one recessive allele.
Explanation:
When considering a dihybrid cross and determining the proportion of progeny that carries an allele for a specific trait such as wrinkled skin in peas, we utilize the principles of Mendelian genetics, particularly the concept of independent assortment and dominance.
For the trait of seed texture, the allele for wrinkled skin in peas is recessive, typically represented as 'r'. In a dihybrid cross of two heterozygous F1 plants (RrYy), we expect to see a phenotypic ratio of 9:3:3:1, which can be broken down into two separate monohybrid 3:1 ratios, one for each trait. Thus, considering only the texture, three-quarters of the F2 offspring will display the dominant round phenotype (R_), and one-quarter will display the recessive wrinkled phenotype (rr). This is because the proportion of F2 progeny with wrinkled skin (homozygous recessive condition rr) is expected to be 1/4, as determined by the product of the probabilities for each independent event: (1/4) × (1/4).
The force exerted by a seedling as it pushes its way through the soil is due to the _____ created inside its cells. A. water solubility B. water movement C. water leakage D. water pressure
Answer:
water pressure is correct answer
Explanation:
The force exerted by a seedling as it pushes through the soil is due to the water pressure inside its cells, known as turgor pressure, which is a result of water potential differences that cause water to move into cells.
The correct option is 'D'.
The force exerted by a seedling as it pushes its way through the soil is due to the water pressure created inside its cells. This water pressure is also known as turgor pressure, which occurs when water moves into plant cells, causing them to swell and become turgid.
These processes are influenced by the water potential in the plants, which is a measure of the potential energy in water in comparison to pure water.
The water potential is affected by several factors like solute concentration and pressure.
When the water potential within the soil is higher than inside the plant cells, water moves into the cells via osmosis, generating pressure that helps to push the seedling upwards through the soil. Turgor pressure is vital for plant rigidity and growth.
2. What is needed from fermentation to restart glycolysis?
Which of the following best identifies a physical digestive process?
heat formation
enzyme action
acid secretion
peristalsis
Answer: C ( Enzyme Action
Which of the following is a source of carbon dioxide in the atmosphere?
plants
animals
sunlight
factories
Answer:
Plants, animals, factories.
Explanation:
Plants and animals are living organisms that undergoes aerobic respiration that takes in Oxygen and released carbon dioxide.
Do not be mislead that plants do not give out CO2. During the night, when rate of photosynthesis is slower than rate of respiration, CO2 is released to the atmosphere and acts as a source of CO2.
Animals can only respirate and not photosynthesize. Hence, it is definitely a source of CO2
Factories are sources of CO2 assuming that their operations releases CO2 as by-product which is a very probable event for most factory operations.
Sunlight is a abiotic factor that does not cause CO2 to be released on its own to act as a source of CO2 in the atmosphere.
Plants, animals, and factories are sources of carbon dioxide in the atmosphere.
Explanation:Plants, animals, and factories are significant sources of carbon dioxide emissions into the Earth's atmosphere. Plants play a dual role in the carbon cycle. During photosynthesis, they absorb CO2 and convert it into oxygen (O2) and organic carbon compounds, helping regulate atmospheric CO2 levels. However, when plants decay or burn, they release CO2 back into the atmosphere.
Animals, through respiration, release CO2 as a byproduct of metabolism. This carbon comes from the food they consume, and when they exhale, it contributes to atmospheric CO2 levels. Factories, particularly those burning fossil fuels for energy and industrial processes, release substantial amounts of CO2 as a result of combustion. These human activities significantly impact global carbon levels and contribute to climate change and global warming. Sustainable practices and reduced emissions are critical to mitigate these effects.
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HELP PLZ GOD BLESS YOU AND YOUR GRADES
Answer:
The third and second is the correct!
Explanation:
For example, cooling water will cause it to become ice.
As for the second one, if you heat up liquid, the particles move faster, causing the liquid to evaporate and become a gas
Hope i helped! :3
had a brain fart, sorry, i fixed it
What are the 3 types of muscles in the human body. Where are they found in the body?
Answer:
The 3 types of muscle tissue are cardiac, smooth, and skeletal.
Explanation:
Cardiac: Cardiac muscle cells are located in the walls of the heart, appear striated, and are under involuntary control.
Smooth: Smooth muscle (so-named because the cells do not have striations) is present in the walls of hollow organs like the urinary bladder, uterus, stomach, intestines, and in the walls of passageways, such as the arteries and veins of the circulatory system, and the tracts of the respiratory, urinary, and reproductive
Skeletal: Skeletal muscle is found between bones, and uses tendons to connect the epimysium to the periosteum, or outer covering, of bone.
Final answer:
The three types of muscles in the human body are skeletal muscles for voluntary movement, smooth muscles in internal organs for involuntary functions, and cardiac muscle found only in the heart. They differ by striation, control, and location.
Explanation:
The human body has three major types of muscle tissues: skeletal, smooth, and cardiac muscles. Each type has distinct characteristics and locations within the body.
Skeletal Muscles
Skeletal muscles are attached to bones and are responsible for voluntary movements. These muscles display a striped, or striated, appearance under a microscope and are usually under conscious control. Examples include the biceps and quadriceps
Smooth Muscles
Smooth muscles are found in the walls of internal organs such as the stomach, intestines, and blood vessels. They control involuntary movements and do not show striations, appearing smooth under a microscope.
Cardiac Muscle
The cardiac muscle is specialized muscle tissue found only in the heart. It is striated like skeletal muscle but operates involuntarily, controlling the heartbeat.
Striated muscles: Skeletal and cardiac muscles
Non-striated muscle: Smooth muscle
Voluntary muscle: Skeletal muscle
Involuntary muscles: Smooth and cardiac muscles
Step 3 : Translate mRNA
To translate the mRNA we have what the original code is GGCCAAUU and when translating we find that CCGGUUAA
What is mRNA translation?mRNA is translated into protein by the action of a variety of tRNA molecules, each specific for each amino acid. The nucleotide sequence of an mRNA molecule is translated into the appropriate amino acid sequence as determined by the genetic code.
So in this case performing the translation of the mRNA we find that it will be GGCCAAUU for the following code CCGGUUAA.
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What evidence supports the law of conservation of energy? Group of answer choices
Answer:food
Explanation:cause
Answer:
The law of conservation of mass states that in a chemical reaction, mass is neither created nor destroyed.Carbon dioxide becomes glucose and oxygen during photosynthesis.
QUICK ANSWER FOR BRAINLIEST AND 20 POINTS
Look at the circuit diagram.
What does the diagram show?
one battery, two light bulbs, and three resistors
one battery, two switches, and three light bulbs
one switch, one resistor, and three light bulbs
one switch, one light bulb, and three batteries
Answer:
The battery is the set of vertical lines at the bottom, so there's one battery.
The switches are the line between the small circles (they're closed here) there are 2 of them.
The circles with Xs inside are bulbs.
So B is correct.
In this circuit diagram, one battery, two switches, and three light bulbs are shown.
What are the characteristic features of circuit diagram?
A circuit diagram is a graphical representation of an electrical circuit. A pictorial circuit diagram uses simple images of components, while a schematic diagram shows the components.
A circuit diagram is a simplified graphical representation of an electrical circuit. Circuit diagrams are used for the design, construction and maintenance of electrical and electronic equipment.
There are 6 types of circuit diagrams, namely: Block Diagram, Schematic Circuit Diagram, Pictorial Circuit Diagram, Single Line Circuit Diagram, Open Circuit Diagram and Closed Circuit Diagram.
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what element is required to build red bloold cells?
Iron
Zinc
Copper
Nickel
Which chemical bond most likely stores the most energy?
А. Сс
в. н-о
C. н-н
D. C=C
Answer:
D. C=C
Explanation:
please give brainliest
Explain about the temperate forest biome. Explain how the organisms in cold forests biome adapt to their environment. Also explain how the parts of the biome work together as a system.
Final answer:
The temperate forest biome is common in mid-latitude regions with moderate temperatures and consistent precipitation, leading to distinct seasons. Deciduous trees dominate and create a nutrient-rich leaf litter layer that insulates the ground and provides habitats for organisms, playing a key role within the system. Organisms adapt through hibernation, migration, and the cyclical nature of plant life, ensuring a balance within the ecosystem.
Explanation:
Temperate Forest Biome
Temperate forests are a biome found in mid-latitude regions across the globe, particularly prevalent in areas such as eastern North America, Western Europe, Eastern Asia, Chile, and New Zealand. Characterized by their moderate temperatures that range between -30°C and 30°C (-22°F to 86°F), these forests experience seasons, with growing periods in the spring, summer, and early fall, and temperatures dropping below freezing annually. Precipitation in these biomes is fairly consistent year-round, with amounts ranging from 75 cm to 150 cm (29.5 to 59 inches).
In a temperate forest, you'll find a mix of deciduous trees, which shed their leaves in autumn, and evergreen conifers. These deciduous trees significantly contribute to the forest dynamic by creating a thick layer of leaf litter on the forest floor. This layer is not only rich in inorganic and organic nutrients, but as it decays, it returns nutrients to the soil, protects against erosion, insulates the ground, and provides habitats for various invertebrates and their predators.
Organisms in the temperate forest have adapted to this environment in several ways. Many animals hibernate or migrate to cope with the cold winters, while plant species have seasonal cycles. This biodiversity in the temperate forests is sustained by sunlight reaching the ground due to the moderate growth of tree canopies compared to tropical rainforests, which allows for a variety of plants and animals to thrive.
Functioning as a System
The components of the temperate forest biome work together as a system. The trees provide habitat and food for animals, the leaf litter enriches the soil, and the diversity of species supports a balanced ecosystem. In turn, animals contribute to the pollination of plants and the dispersion of seeds, which ensures the ongoing regeneration of the forest.
How are the Sun’s magnetic field and it’s activity cycle related?
Answer:
what
Explanation:
Answer:
hope this helps
Explanation:
Through sunspots that are centers of high magnetic field, that have 11 year cycles.
Explanation:
In the Sun, the flows of hot plasma in the convection zone create the solar magnetic field. This is sustained by nuclear fusion in the Sun. Sunspots are regions of very strong magnetic field that are perceptible on the Sun's surface or photo-sphere. The number of sunspots on the sun increase and decrease over time in a regular, approximately 11-year cycle, which is, in fact the solar magnetic activity cycle.
If “M” represents the dominant condition for a trait and “m” represent the recessive condition for that same trait. What is the genotype for a recessive offspring?
Answer:
mm
Explanation:
the only way for it to be recessive, is to remove the dominant
The genotype for a recessive offspring in this scenario is 'mm,' as this reflects the presence of two copies of the recessive allele required for the recessive trait to be expressed.
The genotype for a recessive offspring, when "M" represents the dominant condition and "m" represents the recessive condition for a trait, would be mm. This is because a recessive trait is only expressed when an individual has two copies of the recessive allele.
Therefore, for the offspring to display the recessive trait, both alleles must be m, resulting in the homozygous recessive genotype mm. Genotypes are often abbreviated using a single letter, with the dominant trait typically indicated by a capital letter and the recessive trait by a lowercase letter. In cases where "B" represents a dominant black allele and "b" a recessive brown allele, the parallel is that a recessive brown offspring would have the genotype bb.
What must first occur for transcription to begin?
A: mRNA moves the code from the nucleus to the ribosome for protein production.
B:Agene is expressed through protein production.
C:RNA polymerase attaches to the promoter.
D:A repressor protein must attach to the operator.
Transcription begins when RNA polymerase binds to the promoter of the gene. It then works to assemble RNA nucleotides into a strand that complements the DNA template, till it reaches a termination sequence.
Explanation:For transcription to begin in a cell, the first thing that needs to occur is that RNA polymerase attaches itself to the promoter of the gene. The promoter is a specific DNA sequence that indicates where the process of transcription should start. The RNA polymerase is an enzyme that carries out the process of transcription, forming a new mRNA molecule by reading the DNA strand.
Steps involved in the process of TranscriptionThe RNA polymerase binds to the promoter region of the DNA.It separates the two strands of the DNA molecule.The RNA polymerase starts to assemble RNA nucleotides into a strand that is complementary to the DNA template.The process continues until it reaches a termination sequence in the DNA, which signals to the RNA polymerase to stop transcription and release the newly formed mRNA molecule.Learn more about Transcription here:https://brainly.com/question/32921071
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How does energy produced in the core of the Sun reach the surface? How long does it take?
Answer: energy produced in the core travels through out the gases of Sun and takes about million years to reach its surface
Explanation:
Question 4
3 pts
Which of the following shows a reduction of chromosomes by half? (3 points)
Question:
Which of the following shows a reduction of chromosomes by half? (3 points)
Male gametophyte to flagellated sperm Sporophyte to spores Male gametophyte to spores Female gametophyte to zygoteAnswer:
Sporophyte to sporesIn terms of gravitational political energy,what happens to a ball as it rolls down a hill?
The gravitational potential energy of the ball decreases as it rolls down the hill while the gravitational kinetic energy of the ball increases due to its acceleration in velocity.
The baker needs 9 eggs, 6 cups of flour, 3 cups of sugar, and 3 sticks of butter to make a total of 3 cakes.. The baker only has 2 sticks of butter. That means the butter is the ___________ because the baker can only make 2 cakes!
Question 19 options:
Limiting reactant
Reactant
Spontaneous reactant
Product
Answer:
i think its reactant
Explanation:
just a gut feeling
PLEASE HURRY IM TIMED
The amount of the lighted side of the moon you can see is the same during
a. new moon and full moon phase.
b. new moon and first quarter phase.
c. first quarter and third quarter phase.
d. full moon and third quarter phase.
Please select the best answer from the choices provided
Answer:
The amount of the lighted side of the moon you can see is the same during
a. new moon and full moon phase.
b. new moon and first quarter phase.
c. first quarter and third quarter phase.
d. full moon and third quarter phase.
Please select the best answer from the choices provided
Explanation:
c
Brainliest!! Extra points!!! PLEASE ANSWER both QUESTIONS PLEASE!!
Answer:
It's c (13)
12 is Freezing
Explanation:
Which of the following organisms serve as food for primary consumers?
A. Producers
B. Decomposers
C. Secondary consumers
D. Predators
Answer:
Option A
Explanation:
Hoping it helps!
Answer:
Producers
Explanation:
Ape-x
20. What factors can limit the
usefulness of television
news as a source of
information on
environmental issues?
a. News reports are brief.
b. News reports may leave
out information
c. The information comes
from only one source.
d. all of the above
ales
Answer:
All of the above.
Explanation:
If the news reports are brief, they probably will leave out information. If the info comes from only one source, it may or may not be reliable.
How do the Various types of electromagnetic radiation differ from each other?
Answer:
They only differ from each other in wavelength. The electromagnetic spectrum includes, from longest wavelength to shortest: radio waves, microwaves, infrared, optical, ultraviolet, X-rays, and gamma-rays.
Explanation:
which of the following statements about geothermal energy is not true? a. it is not a practical source of energy b. it is an important source of energy in volcanically active areas
c. it works best when the magma pool is near the surface of earth
d. it is a renewable source of energy
Geothermal energy is a practical, renewable energy source that works best when magma pools are close to the Earth's surface. Contrary to the false statement, it is most effective in volcanically active areas.
Explanation:In assessing the statements about geothermal energy, the untrue statement is: a. it is not a practical source of energy. In reality, geothermal energy is highly practical, particularly in regions where volcanic activity or other heat sources exist near the Earth's surface. Geothermal energy is a renewable source of energy because it is constantly replenished by the heat generated by the Earth's core. This heat is used to produce steam, which then powers turbines to generate electricity. Geothermal energy works best when the magma, or molten rock, pool is close to the Earth's surface, making statement c is also correct. Therefore, geothermal energy is not only a practical source of energy, but it is also renewable and advantageous in certain geographical settings, particularly those that are volcanically active (statement b).
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Jenny is learning about the importance of the ozone layer. She was upset to know that there is a depletion of the ozone layer and human
activities are adding to it. While she decides to spread awareness on the effects of pollution and reasons to curb it, she cannot do anything
about the natural process of ozone depletion. What is the natural process that is causing the depletion of the ozone layer?
A
natural processes that ensure ecological balance
B. burning of fossil fuel
C. UV rays reacting with O2 molecules
D.
the carbon cycle
E
the oxygen cycle
Answer:
C. UV rays reacting with the O2 molecules
Explanation:
Answer:
UV rays reacting with the O2 molecules
Explanation:
edmentum
A population of oak trees growing in a region in Canada experiences a change in climate to much colder temperatures and much drier conditions than they have had for many years
Answer:
Explanation:
1.A
2.C
3.B
4.C
Rock samples taken from location B would most likely be composed of
1.granite
2.rhyolite
3.conglomerate
4.basalt
The answer is 4. basalt.
Here's why:
Location B is at the Mid-Atlantic Ridge. This is a divergent plate boundary, where plates are moving apart and magma is rising from the mantle.
Magma that rises at the Mid-Atlantic Ridge is basaltic. Basalt is a fine-grained, dark-colored igneous rock formed by the rapid cooling of magma.
Granite and rhyolite are not typically found at Mid-Atlantic Ridges. They are felsic igneous rocks, which are lighter in color and coarser-grained than basalt. They are more commonly found in continental settings, where magma cools slowly underground.
Conglomerate is a sedimentary rock. It is formed from the erosion and deposition of other rocks, not from the cooling of magma.
Therefore, based on the location and the type of rock formation that occurs at Mid-Atlantic Ridges, the rock samples taken from location B would most likely be composed of basalt.
The diagram below shows a portion of earths crust near the mid Atlantic ridge. Letters A B C D and E represent locations on the sea floor. Rock samples taken from location B would most likely be composed of
1. granite
2. rhyolite
3. conglomerate
4. basalt
Ben lives near a busy street frequented by vehicles. What is Ben susceptible to in this situation?
A. water pollution
B. obesity
C. noise pollution
D. diabetes
Answer:
C. Noise pollution
Explanation:
Ben is susceptible to the noise pollution and the air pollution, and may be water pollution too, because the air pollution is someway related to the water pollution and the soil pollution too. However, C is the best answer for this question.
....
Hope this answer can help you. Have a nice day!