Answer:
option 1st
Explanation:
"It is measure of how far an object moves in a certain time".and there is a one more definition of instantaneous speed
"The speed of an object at any instant during its motion is called Instantaneous Speed".I HOPE THAT THIS ANSWER HELPS YOUAnswer:
(A) It is measure of how far an object moves in a certain time.
Explanation:
Brainliest!! Extra points!!! PLEASE ANSWER both QUESTIONS PLEASE!!
Answer:
It's c (13)
12 is Freezing
Explanation:
A male is homozygous dominant for being smart and heterozygous for not being attractive. Attractiveness is a recessive trait. What would be the outcome of mixing alleles with a heterozygous female for both intelligence and attractiveness.
What percent of their offspring will be totally heterozygous?
What percent of the offspring will be attractive and smart?
What is the phenotype ratio?
Answer:
50%
Explanation:
A male is purebred dominant for being smart (SS) and heterozygous for not being attractive (Aa), and attractiveness is a recessive trait, and genotype of heterozygous female for both intelligence and attractiveness (SsAa), will produce offspring that will be totally heterozygous(SsAa) is 1/4. the offspring will be attractive and smart is (SSaa) 1/8. Phenotype ratio is 2 are smart and attractive: 6 are smart and not attractive .
what is genotype and phenotype?The genotype of a male individual, which is homozygous dominant for being smart (SS) and heterozygous for not being attractive (Aa). The information that attractiveness is a recessive trait, which means that an individual needs to have two copies of the recessive allele (aa) to show the trait.The female individual is heterozygous for both traits, which means that she has one dominant and one recessive allele for each trait (SsAa).
Hence, male is purebred dominant for being smart (SS) and heterozygous for not being attractive (Aa), and attractiveness is a recessive trait, and genotype of heterozygous female for both intelligence and attractiveness (SsAa), will produce offspring that will be totally heterozygous(SsAa) is 1/4. the offspring will be attractive and smart is (SSaa) 1/8. Phenotype ratio is 2 are smart and attractive: 6 are smart and not attractive .
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Which is the first part of the immune system to attack an invader?
O
A. B cells
B. Macrophages
O
O
C. Lysozymes
O
D. T cells
Answer:
b
Explanation:
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:
As scientists began investigating living things and their cellular structure they developed a set of principles that are now known as the cell theory
The statements below summarize cell theory
• All living things are made up of cells.
Cells are the basic units of structure and function in living things
• New cells are produced from existing cells.
Daniel proposes that if scientists continue to gather evidence in support of the cell theory, they eventually should reclassify the theory as a law of
cells. Which statement is the most useful evaluation of Daniel's proposal?
A The proposal is reasonable, because theories often are reclassified as laws when the evidence is overwhelming
B. The proposal is reasonable, although only rarely is enough evidence gathered to reclassify theories as laws
C.The proposal is not reasonable because scientists have discovered too many exceptions to the cell theory to state it as a law.
D. The proposal is not reasonable, because a theory is never reclassified as a law, nor is a law reclassified as a theory,
Answer:
D.
Explanation:
The proposal is not reasonable, because a theory is never reclassified as a law, nor is a law reclassified as a theory (Option D).
What are scientific theories?Scientific theories are scientifically sound explanations that were progressively tested and verified.
Scientific theories can be used to predict certain outcomes related to such explanations.In conclusion, the proposal is not reasonable, because a theory is never reclassified as a law, nor is a law reclassified as a theory (Option D).
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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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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
Which components do all circuits have in common? Select three options.
energy source
voltmeter
wires
ammeter
device that needs electrical energy
Answer:
-energy source
-wires
-device that needs electrical energy
Explanation:
just did it on edg2020
An electric circuit is a loop network that provides a path for the flow of electric current. All circuits have an energy source, wires, and device that needs electrical energy in common.
What is an electric circuit?An electric circuit is a path for the transmission of electric current. It includes a device that gives energy to a charged particle that constitutes the current.
There are usually the following components of an electric circuit:
A conductive path that includes wires.An electrical power or energy source.A load is needed to operate electric power.Device that requires electrical energy.Thus, the correct options are A, C, and D.
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What is necessary for a recessive X-linked allele to be expressed in females?
Both of the female's parents would've had to give her a recessive X chromosome in order for the allele to be expressed.
Final answer:
A female needs two copies of a recessive X-linked allele to express the associated trait, receiving one from each parent. Carrier females possess one mutant allele and one dominant allele, potentially exhibiting mild symptoms due to X chromosome inactivation.
Explanation:
For a recessive X-linked allele to be expressed in females, they must inherit two copies of the allele, one from each parent. If a female inherits just one recessive X-linked allele, she will be a carrier of the trait, but typically unaffected. This phenomenon is due to the fact that females have two X chromosomes, enabling them to carry a recessive allele without expressing the trait, provided their other X chromosome carries a dominant allele. However, carrier females have a chance of manifesting mild forms of the trait because of the random inactivation of one X chromosome in each cell, which could lead to cells expressing the recessive allele.
Examples of human sex-linked disorders include red-green color blindness and hemophilia. Males, who have only one X chromosome, will express the trait if they inherit one mutant X allele. In contrast, females must receive one recessive allele from each parent. As a result, X-linked recessive traits are more frequently seen in males than in females.
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.
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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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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Nitrogen fixing bacteria participate in the nitrogen cycle mainly by
If you were in charge of making the decision ||
to help clean up the city's polluted water,
would you make laws to reduce the use of
chemicals, schedule cleanups, or stop all use
of chemicals?
Answer:
If I were in charge of making the decision to help clean up the city's polluted water, I'll stop all the use of chemicals because I think that the chemicals have the biggest effect on water pollution.
It is useful to carry out planned cleanups. The farmers will need to grow more crops, which can be difficult, but it will help them know when not to grow their crops.
How to prevent the city from water pollution?In order to prevent and manage water pollution and to maintain or restore the country's water wholesomeness, the Water (Prevention and Control of Pollution) Act was passed in 1974. In 1988, the Act was modified.
To supply their communities with clean drinking water, public drinking water systems employ a variety of water treatment techniques. Coagulation, flocculation, sedimentation, filtration, and disinfection are common water treatment processes used in public water systems.
Therefore, making laws to reduce the use of chemicals, schedule cleanups, or stop all use of chemicals is helpful to prevent water from getting polluted.
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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.
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
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had a brain fart, sorry, i fixed it
what element is required to build red bloold cells?
Iron
Zinc
Copper
Nickel
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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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!
Using the dichotomous key above, what is the scientific name of this animal?
Question 16 options:
Danaus plexippus
Sciurus carolinensis
Alces alces
Answer:
Danaus plexippus is a scientific name of monarch butterfly. It is also known as simply monarch.
Explanation:
Actually the question is not that much clear. I think u meant this answer..
The scientific name was proposed by Carl Linnaeus as binomial nomenclature.
What is a scientific name?A scientific name is a universally accepted unique name that consists of a genus name followed by a specific epithet.
What is a dichotomous key?A dichotomous key is a method where the characteristics are asked and two choices are provided repeatedly.
What organisms have these scientific names?Danaus plexippus- This is the scientific name of the monarch butterfly.
Sciurus carolinensis- This is the scientific name of the eastern gray squirrel.
Alces alces- This is the scientific name of moose or elk.
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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
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
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:
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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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is the science of naming and classifying organisms based on structural comparisons and genetic evidence
Answer:
usually yes
Explanation:
Taxonomy is the science of naming and classifying organisms based on structural and genetic evidence. It's a critical component of biology, helping to organize the evolutionary history of organisms. The modern taxonomic systems use genetic methods for a more precise classification.
Explanation:Introduction to TaxonomyTaxonomy is the science of naming and classifying organisms based on structural comparisons and genetic evidence. Swedish botanist Carolus Linnaeus was a key figure in the establishment of this system.
The Science of TaxonomyTaxonomy is a critical component of biological studies. It helps organize humans and their evolutionary ancestors, both spatially and temporally. Two types of evidence focused on in taxonomy are morphologic (form and function) and genetic.
Modern Taxonomy: The Role of GeneticsIn the modern era, genetic methods have become a standardized way to compare all living organisms, providing a more defined and accurate classification system. These methods have become integral to the science of taxonomy.
Similarities and Differences: Homologous StructuresOrganisms that share similar physical features and genomes are usually more closely related. Such overlapping features, known as homologous structures, stem from developmental similarities that are based on evolution.
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In 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.
Help!
A species of cactus has two alleles for the length of its spines: long spines
(L) and short spines (). The Punnett square below predicts the outcome of a
cross between two cacti, one LL and the other Ll for length of spines.
What phenotype ratio should be observed in the offspring of this cross?
Answer: 4 : 0 (long spines to short spines)
Explanation:
Dominant allele: L
Recessive allele: l
When is there at least one dominant allele in the phenotype it shows the dominant trait (long spines)
There has to be two recessive alleles to make the phenotype the recessive trait (short spines).
Therefore since there is one L in every box, all of the offspring will show the dominant trait (long spines).
Hope that helps!
What part of an animal's body contains prokaryotic cells under normal conditions?
A. the heart
B. the lungs
C. the digestive system
D. no part
Answer:
D no part
Explanation:
The body only has eukaryotic cells!
How do the muscles connect and work with the bones?
What are the primary functions of the musculoskeletal system?
What is one example of homeostasis between the musculoskeletal system and the digestive system?
Answer:
The first answer could be with ligaments
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.