What are the options in the drop down menu and pictures of the organelles?
Answer:
b
Explanation:
The International Union of Pure and Applied Chemistry, or for short, sets the rules for how to name compounds.
IUPAC ...........................
Answer:
IUPAC
Explanation:
Which of these BEST describes the difference between a hypothesis and a theory?
A) A hypothesis is true; a theory MAY be true.
B) Hypotheses are accepted by the scientific community; theories are not.
C) A theory has been tested and based on data, while a hypothesis has not yet been tested.
D) A hypothesis has been tested and is based on facts, while a theory has yet to be tested.
A theory has undergone rigorous testing and is based on substantial data, while a hypothesis is a proposed explanation that has yet to be thoroughly tested.
Explanation:The difference between a hypothesis and a theory in science lies primarily in the amount of testing and evidence supporting each. C) describes this difference accurately: a theory has been rigorously tested and is based on a substantial amount of data, while a hypothesis is a proposed explanation that has not yet been thoroughly tested.
For instance, a scientist might develop a hypothesis about the correlation between rainfall and crop growth. After thorough testing and data collection from several studies, if the hypothesis is continually supported, it can evolve into a theory. Hence, a theory, unlike a hypothesis, represents a high level of certainty in science.
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Most deer mouse populations inhabit regions with dark soils. These deer mice have dark brown fur. Populations of deer mice found in the Sand Hills regions of Nebraska, which has tan colored sand instead of dark soil, have tan fur. Which statement best explains why the Sand Hills population of deer mice have tan fur, rather than the dark brown fur found in other populations of deer mice? A. Tan fur helps the mice protect themselves from predators. B. Tan fur helps the mice see each other more easily. C. Tan fur helps the mice find food more easily in the dark. D. Tan fur helps the mice move faster when the sand is hot.
In my opinion i would say letter A
Answer:
A. Tan fur helps the mice protect themselves from predators.
Explanation:
In the given example the tan fur in the Sand Hills will mimic the tan color of the soil. This will help the tan fur deer mice to camouflage the predators. They will remain undetected by the predators and will survive.
what animals and plants live in the Tropical Rainforest
The tropical rainforest is home to a diverse range of animals and plants, including monkeys, sloths, jaguars, toucans, and tree frogs. It also contains various tree species like the Kapok tree and the Rubber tree, as well as many bromeliads and orchids.
Explanation:In the tropical rainforest, there is a great variety of animals and plants. Some examples of animals that live in the tropical rainforest include monkeys, sloths, jaguars, toucans, and tree frogs. As for plants, there are many species of trees, such as the Kapok tree and the Rubber tree, as well as numerous types of bromeliads and orchids. In the tropical rainforest, there is a great variety of animals and plants. Some examples of animals that live in the tropical rainforest include monkeys, sloths, jaguars, toucans, and tree frogs.
Plants play a major role in the carbon cycle. Plants use carbon dioxide for(Respiration, excretion, Photosynthesis) , a process that produces chemical energy for an ecosystem. When plants die(Decomposers, Producers, Consumers) break down their parts and release some carbon as carbon dioxide back into the atmosphere. The remaining carbon is buried in the soil.
i think its
1. Photosynthesis
2. Decomposers
Plant use carbon dioxide for photosynthesis, a process that produces chemical energy for an ecosystem. When plants die decomposers break down their parts and release some carbon as carbon dioxide back into the atmosphere.
What is an Ecosystem?An ecosystem may be defined as the place or an area where organisms of different species live together and interact with one another for the purpose of food, shelter, and space.
Carbon dioxide is the reactant of photosynthesis that plants require along with water in the presence of sunlight.
After the death of the plant tissue, the decomposers which are the form of microorganisms break down their parts and release some carbon as carbon dioxide back into the atmosphere.
In this way, the carbon cycle proceeds in the atmosphere with respect to plants.
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If you were a researcher studying Taxol, you would be most interested in cells found in which phase of mitosis?
The fragility of cancer cells when they undergo division serves as a critical intervention point in chemotherapy. ... Despite being the shortest phase of the cell-cycle, mitosis ... Therefore, there is a strong interest in developing novel drugs that do not affect .... cells. Plk1 is the most thoroughly studied member.
If you intend to study Taxol, you'd be most interested in cells during metaphase/anaphase. This is because Taxol deleteriously affects the ability of cancer cells to properly assemble a mitotic spindle, pass the metaphase/anaphase checkpoint, and produce progeny.
how are pure substances and mixtures distinguished?
Pure substances are further broken down into elements and compounds. Mixtures are physically combined structures that can be separated into their original components. Hope this helps!
Which process is responsible for the conversion of dna information into messenger rna?
Transcription is the process that converts DNA into messenger RNA (mRNA), acting as an intermediary to carry genetic instructions from the nucleus to the ribosomes for protein synthesis, adhering to the Central Dogma of Molecular Biology.
Explanation:The process responsible for the conversion of DNA information into messenger RNA (mRNA) is called transcription. During transcription, enzymes called RNA polymerases construct an mRNA strand that is complementary to the DNA template. This mRNA then serves as the intermediary that carries genetic information from the DNA in the nucleus to the site of protein synthesis in the cytoplasm. Ribosomes read the genetic code inscribed on the mRNA and use this information to assemble amino acids into a protein, a process known as translation. This two-step process from DNA to RNA to protein is the core of the Central Dogma of Molecular Biology, which describes the flow of genetic information within a biological system.
Boundary between warm and cold water in an ocean or a lake
The boundary between warm and cold water in an ocean or a lake is known as Thermocline.
It is a steep temperature gradient in a water body that is marked by a layer above and below which the water is at different temperatures. It is a transition layer between warm water at the ocean's surface and cooler deep water below.
The ability of water to hold more heat than land keeps the temperature on Earth A) moderate. B) the same. C) very low. D) very high.
Why do objects fall to the ground at the same rate
According to newtons 2nd law of motion,
"The second law states that the acceleration of an object is dependent upon two variables - the net force acting upon the object and the mass of the object".
F=mg
Gravitational acceleration = g =F/m
And we also know g always remains constant which is 9.8 m/s2.
So if the mass of the objects varies, then Force exerted by earth change accordingly to constant the value of g.
Hence gravitation acceleration/ rate of fall will be the same for both heavier and a lighter object.
Which of the following outcomes would be most likely if the proteins embedded in a cell membrane became unable to function properly?
A) More nuclei would be formed inside the cell to store an increasing amount of waste.
B) Proteins in the cell wall would then have to carry out additional functions.
C) The cell would be forced to divide as substances continued to build up inside the cell.
D) The cell would die as many substances would be unable to enter or leave the cell.
i think it would be d beacause it help carry out tasks in the cells
I believe that answer D. Would be correct.
what does fertilization mean
It means to make something productive. "the action or process of fertilizing an egg, female animal, or plant, involving the fusion of male and female gametes to form a zygote."
the action or process of fertilizing an egg, female animal, or plant, involving the fusion of male and female gametes to form a zygote.
Which kind of environmental change would a tornado be?
short-term, because it occurs very quickly
long-term, because it lasts a long time
short-term, because it affects only a small area
long-term, because they have been happening for millions of years
Answer:
short-term, because it occurs very quicklyExplanation:
Which kind of environmental change would a tornado be?
short-term, because it occurs very quicklylong-term, because it lasts a long time
short-term, because it affects only a small area
long-term, because they have been happening for millions of years
Tornado is a vigorously rotating column of air that increases from base to top. This type of environmental change is short term, as it occurs very quickly.
What is short term environmental change?The environmental changes are natural and can last for few days to years. Short term environmental changes occurs only for a short period of time.
Short term environmental changes includes:
Oil spills.Tornado.Drought.Flood.Volcanic eruption.Thus the correct option is A.
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What is another name for the range of motion in your joints? A. flexibility B. circulation C. posture D. muscular strength
A. Flexibility
Flexibility is the range of motion around a joint, and can refer to ligaments.
A because the joints flex around
What is the difference between the aixal and appendicular skeleton
ANSWER:
The main variation between the axial and appendicular skeleton is that the axial skeleton makes up the central role of the body whereas the appendicular skeleton connects the appendages to
the axial skeleton.
EXPLANATION:
The axial skeleton consists of six components: the skull, the ossicles of the central ear, the vertebral line, hyoid, rib cage, including the sternum while the appendicular skeleton consists of limbs and girdles. The axial skeleton includes to the piece of the frame that consists of the osseins of the head and trunk of a vertebrate while the appendicular skeleton is the part of the skeleton of vertebrates consisting of the bones that support the members.
This is a process in which a natural habitat becomes unable to support the species present.generally this results in a reduction In biodiversity
Habitat loss. Hope this helps!
Answer:
Habitat Loss
Explanation:
Habitat loss can occur for several reasons. The human being is the main cause of this loss, however, sometimes a population of animals is very large, this population is out of balance with its habitat that can no longer support accommodating all members of the population. With that the competition gets bigger and the loss of habitat occurs.
The consequences of habitat loss can be diverse: Habitat fragmentation, climate change, increase in invasive species, desertification and is the biggest cause of species extinction.
Which one of this is the right answer❤️
The second choice is the answer.
Step 1
Evaporation would change the drop of water to water vapor, a gas, which would rise into the atmosphere.
2. Step 2
As more water vapor condenses into liquid, the drop of water will eventually drop to Earth's surface as precipitation.
3. Step 3
The drop of water falls to the ground as rain and is absorbed as groundwater.
4. Step 4
The atmosphere is cooler, so the drop of water would change from a gas back to a liquid through condensation.
5. Step 5
The groundwater flows into a river which empties back into the ocean.
1. Evaporation
2. condensation
3. precipitation
4. ?
5. run-off
The question is about the water cycle, which includes the processes of evaporation, condensation, precipitation, and the formation of groundwater and runoff as the water continuously circulates through the environment.
The question pertains to the water cycle, a fundamental concept in biology and environmental science. This natural cycle describes the continuous movement of water on, above, and below the surface of the Earth. The steps outlined by the student describe the journey of a single drop of water as it moves through various stages of the water cycle, which includes evaporation, condensation, precipitation, and collection.
Stages of the Water Cycle
Evaporation: This is the process by which water changes from a liquid to a vapor, a key step that moves water from Earth's surface into the atmosphere.Condensation: As water vapor rises and cools in the atmosphere, it transforms back into liquid form to create clouds.Precipitation: Water droplets that form in clouds eventually become heavy enough to fall to Earth's surface as rain, snow, sleet, or hail.Groundwater and Runoff: After reaching the ground, water can seep into the soil to become groundwater or flow as runoff back into rivers, lakes, and eventually the ocean.In winter, although many parts of Europe have heavy snow falls, the sea ports remain ice-free and ships come and go. What could be a reason why the sea ports remain ice-free?
A) A warm ocean current flows along the coast
B) A cold ocean current flows along the coast
C) The coastal regions have very moderate winters
D) Warm winds blow from the continent, melting the ice
The answer is (A. A warm current flows along the coast.) Currents carry cold and warm water from place to place. It's an amazing phenomenon that scientists are still trying to fully figure out. Some think it's caused by wind, others think it's caused by the shifting of the tectonic plates, but one thing's for sure, currents are VITAL for this planets life.
Answer:
Option (A)
Explanation:
Westerlies are the warm wind blowing in the mid-latitudes from the western direction towards the eastern direction in both the hemisphere. It originates at the 30° latitudes from the high-pressure region and moves towards the region that are located at 60° latitude.
Since Europe is located between the latitude of 30° to 60° in the northern hemisphere, so it experiences the strong westerly winds. As this warm wind comes from the tropical region so they bring warmer air currents often accompanied by rainfall. This wind when reaches the western coastal part of Europa the ice present there gets melted.
so the ports remain ice-free during the winter season.
Thus, the correct answer is option (A).
which of the following may be associated with the collision of two sections of continental crust
Of the following choices;
earthquakes, volcanoes, and trenches hot-spot volcanoes trenches and earthquakes earthquakes and a mountain rangeThe answer is; earthquakes and a mountain range
When the two continental plates collide, there is enormous stress between the two plates and this is why such boundaries are hot spots for earthquakes. When the two plates collide, the submerged plate (usually the oceanic plate) uplifts the continental plate and causes it to fold into a mountain range called fold mountains (an example is the Alps and Andes Mountain Range).
Which example best describes a reflex action A. Eating food when hungry B. Bending down to lift a heavy object C. Coughing when the throat is irritated D. Going for a walk outside
C.coughing when the throat is irritated.
The correct answer is option C- coughning when the throat is irritated.
Coughing when the throat is irritated is a relfex action shown by the body. Basically, coughing is a body’s way to get rid of harmful irritants and dust particles. It is one of the reflex actions that can’t be ignored because they can be a sign of any underlying health problem.
Relfex action is defined as an involuntary or instant reaction to a particular stimuli.
Need to write a short news report on how does the brain he brain, heart and skeleton work together
The brain, heart and the skeleton are the integral parts of the nervous system, circulatory system and the skeletal system respectively. The nervous system is made of the brain and the spinal cord with neurons as the structural and functional units of it. The circulatory system is made up of the heart and its blood vessels. The skeletal system is made up of the bones and cartilages making the skeleton of the body.
The brain regulates the heart beat and the blood pressure. The heart nourishes the brain with oxygen and nutrients by pumping blood. The bone cells are nourished by the blood pumped by the heart. The bone marrow of the skeleton produces the new red blood cells which enter the blood circulatory system. Also the the ribs and the breast bone of the skeleton protects the heart, the cranium of the skeleton prtects the brain. The bones also provide calcium which is necessory for the functioning of the nervous system. The brain controls the skeletal movements of the body. The cerebellum of the brain controls the voluntary skeletal movements and the medulla controls the involuntary skeletal movements of the body. The blood brain barrier formed by the endothelial cells of the capillary walls located in the brain seperates the circulating blood from the brain and the extraclellular fluid in the central nervous system and acts as a selective semipermeable border.
The main bones preserve the neurotic mode ways similar to the brain and spinal cord of becoming damaged. The brain controls the heart rate and blood pressure. The heart gives the brain two elements which are oxygen and nutrients by pumping blood of the human body. The bone cells are sustained by the blood pumped by the heart. Receptors in tissues give the brain with knowledge regarding material posture and mobility. The brain manages the reduction of skeletal muscle.
Which statement describes indoor air pollution? Check all that apply.
1 Smog is a common source of indoor air pollution.
2 Ultrafine particles are classified as an indoor air pollutant.
3 Indoor air pollution can worsen symptoms for people with asthma.
4 Chemicals from industrial power plants cause indoor air pollution.
5 Indoor air pollutants can pass through the body's natural defenses.
Indoor Air Pollution is the pollution inside the house or a closed premises. Here, the indoor air is contaminated by smoke, chemicals, smells or particles.
The correct statements that describe indoor air pollution are-
2. Ultra fine particles are classified as an indoor air pollutant.
3. Indoor air pollution can worsen symptoms for people with asthma.
5. Indoor air pollutants can pass through the body's natural defenses.
Answer:
Ultra fine particles are classified as an indoor pollutant ( 2)
indoor air pollution can worsen symptoms for people with asthma( 3 )
Indoor air pollutants can pass through the body's natural defenses ( 5)
Explanation:
Indoor pollution is a kind of pollution that tends to occur inside a building which could be residential or commercial in nature and this pollution affects the systems( health conditions ) of the occupants of such building negatively not all sources of pollution can be found in indoor pollution examples of indoor pollution sources are Ultra fine particles. chemicals from industrial power plants do not cause indoor air pollution because they are not kept indoors where humans will come in-direct contact with them.
What are two brand new cells called hint
The two brand new cells that results from the cell division of the parent cells are called as daughter cells. It can either occur by meiosis or by mitosis. It involves multiple phase transfer process after which the new daughter cells are produced.
Which is part of the niche of giraffes living in the tropical savanna?
A.have long necks
B.have a double layer of fur
C.store grasses for the winter
D.eat leaves from tall-growing plants
Can humidity exist in freezing temperatures
No, because the colder the temperature is, the less water that can exist in an area. The cold air you feel is dry air, therefore humidity most likely won't exist in freezing temperatures. Have a beuatiful day
no there is not because the humidity drops as the temperture drops
You are a world famous scientist who has discovered the gene that codes for a specific protein used to dissolve blood clots in humans. You are about to mass produce this gene for medical science. What must you know about this specific protein in order to begin gene production? A) the mRNA anticodons B) the shape of the protein molecule C) the amino acid sequence of the protein D) the nucleotide sequence of the human genome
The answer is C). Hope that helps
The answer is C!!!!!!
a group of similar organism that can breed and produce fertile offspring
Only animals in the same species can always breed and have fertile offspring.
Although animals in the same genus can breed, their offspring are usually infertile.
The correct answer is Option d) Species. The term describing a collection of similar organisms capable of breeding and producing fertile offspring is "species."
By definition, a species is a group of individual organisms that interbreed and produce fertile, viable offspring.
This differentiates them from other concepts like Adaptation, Natural Selection, or Extinction, which describe different biological processes and phenomena.Definition of Species:
A species must meet the criteria of interbreeding under natural conditions and producing offspring that are themselves capable of reproduction. This biological concept forms the basis for understanding how populations of organisms are classified and studied in biology.Complete Question:
a group of similar organism that can breed and produce fertile offspring
a) Adaptation
b) Natural Selection
c) Extinction
d) Species
What does it mean when light from a galaxy is redshifted? (Earth Science)
Redshift occurs when the light source is moving away from you or when the space between you and the source is stretched. Redshift occurs when the source of light is moving away from the observer. So when astronomers see redshift in the light from a galaxy, they know that the galaxy is moving away from Earth.