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Related Questions
Which best describes the association beetween the carbon cycle plants and animals?
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Answer: Plants fix carbon and release oxygen, and animals release carbon and use oxygen.
Explanation: Done this before
Carbon moves out of the
_by decomposition
O Hydrosphere
O Geosphere
O Atmosphere
Biosphere
Answers
c
Explanation:
atmosphere(Atmosphere)
4. Scientists have hypothesized that eukaryotic cells with chloroplastsA. developed when an early eukaryote ingested a smaller prokaryotic cell,killing it.B. evolved from a symbiotic relationship between eukaryotic and prokaryoticcells.C. evolved from prokaryotic cells that ingested early eukaryotic cells.
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Scientists have hypothesized that eukaryotic cells with chloroplasts evolved from a symbiotic relationship between eukaryotic and prokaryotic
cells. This theory is known as endosymbiotic theory, and occured due to the phagocytosis of a cyanobacteria which developed the ability to photosynthesize.
The correct option is C.
Which is the modified segment of eye?
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The cornea is the modified segment of the eye. The modified segment of the eye is the cornea, a convex transparent structure located at the front of the eye. It's made up of a single layer of cells that don't contain any blood vessels.
The cornea refracts, or bends, light as it enters the eye, and the iris and lens then focus it onto the retina for interpretation by the brain. The cornea is involved in vision by acting as the first layer to bend light so that it can focus on the retina. When the cornea is damaged or altered in any way, the outcome can be vision loss.The cornea is the transparent, dome-shaped front part of the eye that covers the iris, pupil, and anterior chamber. It plays a crucial role in the visual system by focusing light onto the retina at the back of the eye.
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Each DNA base can be one of four nucleotides (A, T, C or G). Placed into a sequence with one another, they form a code which can be read by the cell to provide a blueprint for the creation of proteins. When forming a sequence of three nucleotides, the sequences TAA, TAG, and TGA are codes to tell the cell to stop reading the DNA. Assume each sequence of nucleotides is equally likely to be formed. A. How many possible ways are there to form a sequence of three nucleotides?
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is it important to have circulatory system for single cell or multicellular organism?
Answers
In this figure, what do the dots released in the space between these two cells represent?
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In the given figure the dots released in the space between these two cells represent neurotransmitters. (Option C)
A neurotransmitter, also called chemical transmitter, is a signaling molecule which is secreted by a neuron to affect another cell across a synapse. The cell receiving the signal, any main body part or target cell, may be another neuron, but could also be a gland or muscle cell. There are billions of neurotransmitter molecules that work constantly to maintain brain functioning, managing everything from breathing to heartbeat to learning and concentration levels. Some common neurotransmitters in the brain and body include serotonin, dopamine, glutamate, epinephrine, norepinephrine, and endorphins. Hence, based on the given figure, the dots released in the space between these two cells represent neurotransmitters.
Note: The question is incomplete as it is missing options which are A) receptor molecules B) signal transducers C) neurotransmitters D) hormones.
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Using the following data, calculate the
population growth rate for Zambia:
CBR= 2.9%, Immigration = 1%,
CDR = 2.1%, Emigration = 1%
(Portions of the numeric data are factual.)
HINT: (CBR + Immigration) - (CDR + Emigration) = Population Growth Rate
A. 82%
C. -0.00802%
B. 0.8%
D. 8.025%
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Population growth rate for Zambia is 0.8 % when CBR= 2.9%, Immigration = 1%,CDR = 2.1%, Emigration = 1% are as given above.
What is CBR?The crude birth rate is the number of live births per 1,000 of the population at the midyear census. long explanation The crude birth rate is the number of live births per 1,000 of the expected population at the midyear mark.
Given data;
CBR= 2.9%, Immigration = 1%,
CDR = 2.1%, Emigration = 1%
Now to find the Population Growth Rate use the given formula;
(CBR + Immigration) - (CDR + Emigration) = Population Growth Rate
Population Growth Rate= (CBR + Immigration) - (CDR + Emigration)
the current population of Zambia =18.92 million
now
CBR= 2.9% of 18.92 million=548680
CDR = 2.1% of 18.92 million=397320
Immigration = 1% of 18.92 million=189200
Emigration = 1% of 18.92 million=189200
now putting the values on eq.
Population Growth Rate= (CBR + Immigration) - (CDR + Emigration)
Population Growth Rate= (548680 +189200)-(397320 + 189200 )
Population Growth Rate=151360 *100/18.92 million
Population Growth Rate=0.8%
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Which of the following
materials are being
transported in and out of the
cell through its cell
membrane?
A. energy and water
B. waste and nutrients this
C. DNA and mitochondria
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A heterozygous red-eyed female is crossed with a heterozygous red-eyed male. What are the chances the offspring will be a red-eyed male?
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Milk of magnesia is a slippery, bitter-tasting white substance that is commonly used as a laxative. If the pH of milk of magnesia is between 10 and 11, it can best be described as a
A.
moderate base.
B.
strong acid.
C.
moderate acid.
D.
neutral compound.
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A. Moderate base.
A basic material is magnesium hydroxide, also referred to as milk of magnesia or Mg(OH)2. The pH range of Milk of Magnesia is between 10 and 11, making it a fairly basic compound. If a material has a pH value greater than 7, it is classified as basic; the stronger the base, the higher the pH value. Due to its pH being just slightly above 7, Milk of Magnesia is classified as a weak base.
A weak base known as milk of magnesia is a basic material with a pH between 10 and 11. A substance is referred to as a base if its pH value is greater than 7; the stronger the base, the higher the pH value. Due to its pH being just slightly above 7, Milk of Magnesia is classified as a weak base. The ability of milk of magnesia to counteract gastric acid and aid in the relief of constipation makes it an efficient laxative.
The references about Milk of Magnesia are as follows:
https://www.medicalnewstoday.com/articles/323763
take a position on the existence of a priori knowledge referencing relevant rationalist and empiricist philosophers.
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A sort of epistemic justification known as a priori justification is in some ways independent of experience.
What does philosophy mean by a priori knowledge?Since Immanuel Kant, a posteriori knowledge—which is obtained through experience—has been contrasted with a priori knowledge, which is information that is learned independently of any particular experience.
Do rationalists think that knowledge is known beforehand?In the area of epistemology, or the theory of knowledge, where its claims are most clear, rationalism maintains that at least some human knowledge is acquired through a priori (prior to experience), or rational, insight as opposed to sense experience, which all too frequently offers a confused and merely tentative approach.
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Shredder
Scraper/Grazer
Filter Feeder
Invertebrate Predator
Vertebrate Predator
IIIII
:: Filter water to consume phytoplankton (microalgae) :: Consume leaves and algae and fungi on the leaf surface
:: Consume algae on rocks :: Prey on vertebrates and invertebrates :: Prey on small invertebrates
Match the organism to its proper feeding behavior
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Explanation:
The first organism is a Filter Feeder, which filters water to consume phytoplankton (microalgae).
The second organism is a Scraper/Grazer, which consumes leaves and algae and fungi on the leaf surface.
The third organism is a Shredder, which consumes algae on rocks.
The fourth organism is an Invertebrate Predator, which preys on small invertebrates.
The fifth organism is a Vertebrate Predator, which preys on vertebrates and invertebrates.
What is the role of energy in living organisms? Is it a more or less important role than other characteristics of life? Defend your response.
Answers
Answer:
l
Explanation:
Researchers use a computer model to simulate an oil spill in the ocean. The model predicts which areas of the shoreline will be most impacted by an oil spill if it occurs in a certain area. What are two limitiations of this model? A. It does not predict a situation that might cause an oil spill to happen. B. It does not show how an oil spill might spread from one area to another. C. It cannot be used to evaluate how an oil spill might affect multiple areas of shoreline. D. It does not show how each species of wildlife would be affected by the oil spill.
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It does not predict a situation that might cause an oil spill to happen.
When oil debris reaches shorelines and shorelines, it interacts with sediments such as beach sand and gravel, rocks and rocks, plants, terrestrial wildlife, and human habitats, causing both erosion and pollution. Waves, currents, and wind bring the oil ashore with waves and tides.
Under certain circumstances, oil spills can be very harmful to seabirds turtles, and mammals, and can also harm fish and crustaceans. Oil destroys the insulating abilities of fur-bearing mammals such as sea otters and the water repellency of bird feathers, exposing them to harsh elements. Coral reefs Corals are also very sensitive to oil contamination. Various studies have shown that damaged coral reefs regenerate very slowly. Oil pollution can also affect entire communities.
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Answer:
A and D
Explanation:
what is a non example of desublimation
Answers
Answer: Sodium sulphate
Explanation: Sodium sulphate is not an example of sublimate substance. Sublimation is the process in which there is a change of state directly from solid to gas without changing into a liquid state.
Answer:
Desublimation is a phase transition in which a gas changes directly to a solid without passing through an intermediate liquid phase.
It is an exothermic phase change that occurs at temperatures and pressures below a substance’s triple point in its phase diagram.
Desublimation is also called deposition.
Desublimation is caused by a drastic loss in thermal energy from the surrounding gas due to the presence of a much cooler surface.
For example, frost formation occurs on window surfaces during the winter seasons.
This window is at a much cooler temperature, this makes the water vapor in the surrounding air to lose enough thermal energy and change directly into solid which we see as frost during winter.
Check all that are true of the following scenario.
An archer strings an arrow on a bow and draws the string back. Aiming the bow
upwards at a 45 degree angle, the archer pauses with arms locked into position and
then releases the string. The arrow flies upwards making an arc and then sticks into
the trunk of a tree with an audible thud.
At least four different types of energy are illustrated in this example.
The first energy transformation in the scenario is chemical energy to kinetic.
From the time the archer draws the bow until the thud us heard, entropy increases in
the universe.
The energy of the arrow at the end of the scenario is equal to the energy exerted by the
muscles of the archer.
When the arrow sticks into the tree the original energy has all been used up.
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Statements 1 and 3 are true, while statements 2 and 4 are false.The first energy transformation in the scenario is chemical energy to kinetic. - True.
The archer converts chemical energy stored in their muscles into kinetic energy when they release the string and propel the arrow forward.From the time the archer draws the bow until the thud is heard, entropy increases in the universe. - False. Entropy is a measure of disorder or randomness in a system. In this scenario, the archer's actions do not necessarily lead to an increase in entropy.
The energy of the arrow at the end of the scenario is equal to the energy exerted by the muscles of the archer. - False. Energy is conserved in a closed system, but some energy is lost as heat and sound during the process. Therefore, the energy of the arrow at the end may be less than the energy exerted by the archer's muscles.
When the arrow sticks into the tree, the original energy has all been used up. - False. Energy is not created or destroyed but rather transformed from one form to another. Some of the initial energy from the archer's muscles is transferred to the arrow's kinetic energy, but it is not entirely used up.In summary, statements 1 and 3 are true, while statements 2 and 4 are false.
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not a question, just letting you know your website is terrible and should get deleted off the internet for good.
Answers
Answer:
what happened lol
Explanation:
Answer:
COMPLETELY AGREED
Explanation:
hope this helps
have a nice day/night
mark brainiest, please
:)
9. If Seneca decides to walk across town to a store that is .95 kilometers away and
she has only 25 minutes to get there, what speed does she need to maintain in
order to reach the store on time?
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Answer:
95k / 25mn = 3.8m/s
Explanation:
I did this this morning...but i'm not sure whether it's right or wrong.
Will give 50 points to whoever can answer.
Show the correct order for impulse transmission after you touch cold glass of water
Answers
Answer:
answers: 3rd, then 2nd then 4th then 1st. 3rd goes in first, 2nd in 2, 4th in 3rd, 1st in last
is a major part of bones and muscles and an important component in blood, body cells, enzymes, and immune factors.
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Protein is a major part of bones and muscles and an important component in blood, body cells, enzymes, and immune factors.
Proteins аre mаcromolecules composed of chаins of subunits cаlled аmino аcids. Аmino аcids аre simple subunits composed of cаrbon, oxygen, hydrogen, аnd nitrogen. Food sources of proteins include meаts, dаiry products, seаfood, аnd vаrious plаnt-bаsed foods, most notаbly soy.
Proteins provide four kilocаlories of energy per grаm; however, providing energy is not protein’s most importаnt function. Proteins provide structure to bones, muscles, аnd skin аnd plаy а role in conducting most of the chemicаl reаctions thаt tаke plаce in the body. Scientists estimаte thаt greаter thаn one-hundred thousаnd different proteins exist within the humаn body. The genetic codes in DNА аre bаsicаlly protein recipes thаt determine the order in which 20 different аmino аcids аre bound together to mаke thousаnds of specific proteins.
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From left to right, what will be the complementary 6-base mRNA sequence of the DNA Strand ATGCTA undergoing Transcription?
Answers
The RNA polymerase will read the strand with the help of a base, which pares codes for m-RNA. The pairs are adenine (A) with thymine (T) and guanosine (G) with cytosine (C). But no thymine is present in RNA, as it is replaced by uracil (U).
Therefore, you must pair A with T and G with C, and replace T by U after that, as follows:
Original strand: ATGCTA
Paired: TACGAT
mRNA: UACGAU (final answer)
What is reduced during glycolysis?
Answers
Answer:
There is one redox reaction during glycolysis. The oxidation of glucose begins during glycolysis. NAD+ accepts the electrons during the oxidation, and as a result it gets reduced. A total of 2 NADH are produced.
Explanation:
Answer:
During glycolysis, NAD is reduced
Of the following, which may be classified as supportive connective tissue?
a. bone
b. adipose tissue
c. dense regular connective tissue
d. dense irregular connective tissue
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Answer: A. Bone tissue.
Explanation: Trust me.
Drag and drop each organism to match it to the correct ocean zone where it can be found.
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Answer:
Neritic zone: Kelp
Sunlight zone: Plankton
Twighlight zone: Giant squid
Midnight zone: Sperm whale
Abyssal zone: Marine snow
Explanation:
Molecular clocks are another source of empirical evidence that scientists collect to support evolutionary theories. Explain why it is necessary to usemultiple lines of empirical evidence to support theories of common ancestry and biological evolution. Include information from the reading, previouslessons, and scientific reasoning to support your claim.
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Evolutionary theories are the flexible equivalent of species variability. To evaluate and support these theories, certain molecular clocks are used to know the relationship of species. These are done by considering the variations of every species' sequences of DNA. It is relevant to know the evidence that all living things contribute identical biochemical building blocks. Common ancestry and biological evolution is thereby supported by evidence regarding differences of structures. Homologous structures explains the same ancestry. Analogous structures, on the other hand, explains that the presence of identical features is the outcome of identical selective pressures.
Which property of a plant species would be MOST USEFUL for meeting the scientists' goal?
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The property of a plant species that would be MOST USEFUL for the scientists' goal of developing a useful crop plant through selective breeding is Very high genetic variation. The correct answer is option B.
High genetic variation within a plant species means that there is a wide range of genetic traits and characteristics present. This provides a greater chance of finding desirable traits that can be selected for and developed in the breeding process. By selecting plants with specific desired traits and crossing them, scientists can increase the likelihood of producing offspring with those traits. Over time, this can lead to the development of a new plant variety with improved qualities such as higher yield, resistance to pests or diseases, or improved nutritional value. Therefore, the correct answer is option B.In summary, a plant species with very high genetic variation would be most useful for the scientists' goal of developing new farm crops through selective breeding because it increases the chances of finding desirable traits and allows for the development of improved qualities in the offspring.For more questions on selective breeding
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The correct question would be as
A team of scientists is studying several plant species that they think could become new farm crops. The scientists want to apply selective breeding to develop one of the species into useful crop plants. Which property of a plant species would be MOST USEFUL for meeting the scientists' goal? A. very low genetic variation B. very high genetic variation C. producing only a few fruits and seeds each growing season
How are humans changing the carbon cycle? Question 2 options: Humans are adding carbon to the Earth by over-farming. Humans are burning carbon and putting it into the atmosphere. Humans are planting more trees to add more oxygen to to the carbon cycle.
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Which event would be the result if populations of producers in an ecosystem became unstable?
The energy flow into the food web would decrease or increase along with changing populations of producers.
The number of primary consumers would decrease dramatically.
Decomposers would become the primary energy source.
The direction of energy in the food web would change directions and flow toward the producers.
Answers
Answer:
wow thanks!
Explanation:
i needed this
Bacteria, like most forms of life use ___ to reduce the activation energy of metabolic reactions.
select all correct answers
Bacteria, like most forms of life use ___ to reduce the activation energy of metabolic reactions.
select all correct answers
catalysts
resonance structures
entropy
photons
enzymes
Answers
Answer:
Catalysts, enzymes
Explanation:
Catalysts are known for reducing the activation energy of a reaction thus increasing the reaction rate.
Enzymes are a type of catalyst.