The sides of the DNA molecule the rails of the ladder are composed of
The structure of DNA is double helix which looks like twisted ladder. The sides of the DNA molecule, the rails of the ladder are composed of alternate phosphate and sugar molecules.
All living organisms contain carbon atoms. Which of the following is an important charteristic of carbon?
Hi
I found out the options through browsing over internet and i think i can answer this question.
The best option is D: Carbon atoms can bond with many other kinds of atoms to form very stable molecules.
Explanation:
As we know that carbon has a valency of four and it means it can form four bonds with other atoms, be it carbon or any other atom. This increases the ability of carbon to make bonds with diverse array of atom that exponentially increases the stability of resultant variety of compound or molecule.
This is one of the most important characteristic of carbon atoms due to which we see very stable carbon containing compounds in living as well as non living systems, such as carbohydrates, hydrocarbons and other carbon containing polymers.
Hope it help!
name and describe the main parts of a typical virus.
Most viruses consist of four parts. the core, the capsid, the matrix, and the envelope. The core is located in the center of the virus and contains the virus’ dna or rna wrapped together with some proteins. The capsid is made of protein and forms a shell around the core. The matrix forms a layer between the capsid and the envelope, while the envelope consists of lipids stolen from the cell membrane of the host cell that the virus is growing in. The envelope also contains proteins.
Mosses are _____.
what is the
awser???????????
Bryophytes and non-vascular.
hope it helps!
Mosses are a phylum of non-vascular plants. They produce spores for reproduction instead of seeds and don't grow flowers, wood or true roots.
hope this helps
ASAP
In chickens, rose comb (R) is dominant over single comb (r). When a heterozygous rose-combed rooster is mated with a single-combed hen, what is the expected phenotypic ratio of the offspring?
The expected phenotypic ratio of the offspring would be
75% rose comb
AND
25% single comb
In this offspring, both rose comb and single comb can be expected.
Creating a punnet square will show this with Rr (Heterozygous) being on top and rr (homozygous) being on the left side. When put into the punnet square, it shows a 50/50 chance for both results with two homozygous chances of rr and two heterozygous chances of Rr.
Therefore, the phenotypic ratio of the offspring would be 2:2 or 50/50 as both have an equal chance.
Hope this helps!
A person whose blood tests show neither protein A nor protein B present has blood type: 1.O 2.A 3. AB URGENTTTTTTT IN A QUIZ
1, O because if either shows present it's O.
describe four types of landforms found in Florida.
The Gulf-Atlantic Coastal Plain, Everglades, Barrier Islands, and Sinkholes are distinctive landforms found in Florida.
Coastal Plain: The Gulf-Atlantic Coastal Plain is the flattest region in Florida, extending across the state and down into southern Alabama, Louisiana, and Mississippi.Everglades: The Everglades National Park in southern Florida encompasses vast wetland environments like sawgrass marshes, cypress swamps, and mangrove forests.Barrier Islands: Florida has a significant number of barrier islands such as the Florida Keys, which form along the coast and protect the mainland from erosion and storms.Sinkholes: Due to the state's limestone bedrock, Florida is known for sinkholes that form when the bedrock dissolves, leading to sudden depressions in the land.Which process that occurs in living organisms is SIMILAR to the burning of fossil fuels? A) digestion B) photosynthesis C) respiration D) transpiration
The answer is respiration.
Which of the following is correct about this cell undergoing meiosis?
A. Spindle fibers are forming to connect each chromosome to a centriole.
B. The cell is most likely in interphase.
C. Homologous chromosomes are undergoing crossing over.
D. Chromosomes are replicating.
The correct answer is C
The caretaker of a farm feed hay to the cows to produce milk from them. How much energy will the cows get from the hair?
Answer:
C. 10%.Explanation:
According to transfer of energy law, energy is lost when is transferred from a lower trophic to a higher trophic, like this case. All that waste of energy is due to metabolic processes.
So, according to this, I tiny proportion of energy is transferred. From a lower to a higher trophic level only 10% of the energy is passed. For example, if some producer organism give 10.000 kcal the next trophic level (primary consumers) only get 1.000 kcal, secondary consumers 100 kcal, and tertiary consumer only get 10 kcal.
That's why is 10%.
What is the correct order for the process of water eroding soil ?
Next time put the options down below but i've had this question before and the answer was First the sheet erosion, Then the rills, And lastly the gulliessheet
Answer:
The correct order of water eroding soil is Sheet erosion, Rill erosion, and Gully erosion.
water eroding soil is defined as the removal of soil particles from aggregates due to raindrops or flowing water and transported by runoff water.
Sheet erosion is defined as the process in which thin layer of soil is removed by water which is then followed by rill erosion that allows small channels in soil by running water. third stage is of gully erosion, which takes place when the running water flows into the rills made during rill erosion and form larger channels that results into erosion.
Hence, Sheet erosion, Rill erosion, and Gully erosion is the correct option.
Through what structure do carbonb dioxide and oxygen is enter and leave plants
A.their leaves
B their roots
C their stems
D their bark
I think the answer is A) their leaves
Which one is correct?
It looks like it would be the 1st answer choice...
Hope this helps!! (:
Jagged grains are the correct answer, hope this helps<3
describe the risks linked to dehydration
Why are the arrows always drawn from the prey toward the predator and never toward prey
Arrows in food chains are drawn from prey to predator to illustrate the transfer of energy in an ecosystem. They represent the energy flow from the producer to consumers, including predators. Furthermore, some species employ a strategy known as Batesian mimicry to deter predation.
Explanation:In food chains or food webs, arrows are drawn from prey to predator to represent the transfer of energy. Organisms acquire energy by consuming other organisms. For instance, a rabbit (the prey) munches on grass, and then it is eaten by a hawk (the predator).
This follows the rule of energy flow in ecosystems, where energy travels from the producer (like plants) to various levels of consumers (animals, including predators).
An interesting part of this energy flow is seen in species that imitate harmful organisms to deter predators, a phenomenon known as Batesian mimicry. For example, some insect species can mimic the coloration of bees or wasps to discourage predation, even though they may not be harmful or toxic themselves.
Learn more about Energy Flow in Ecosystems here:https://brainly.com/question/14546167
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Mason took 9.4 minutes to complete the first challenge in the Champs challenge. He completed the Second Challenge 2.65 minutes faster than the first challenge. How long did it take Mason to complete the Second Challenge?
6.75 mins I believe you would subtract to find the difference
how many chromosomes do each ending cell of meiosis contain
(See figure below, where meiosis I begins with a diploid (2n = 4) cell and ends with two haploid (n = 2) cells.) In humans (2n = 46), who have 23 pairs of chromosomes, the number of chromosomes is reduced by half at the end of meiosis I (n = 23).
23 pairs
the other gut got it from google...
Which is an example of a lipid?
A. cholesterol
B. glycerol
C. glycogen
D. fatty acid
an example of a lipid is cholesterol
So your answer is A. cholesterol
Answer:
A. Cholesterol
Explanation:
Cholesterol is an amphipathic lipid. It is grouped under the category of sterols. Cholesterol has a polar head group. The non-polar part of the cholesterol consists of a steroid nucleus and a hydrocarbon side chain. Cholesterol is also present in biological membranes of eukaryotes and regulates their fluidity.
Phosphorus plays an important role within the structures of the body. Which of the following structures is phosphorus found in? a. bones b. cell membranes c. DNA d. all of the above Please select the best answer from the choices provided
Hi there, Phosphorus works with calcium to help build bones but not only it helps the bones it also helps with the cells and DNA so your answer to this will be D. All of the above. Since it plays an important role in the body it'll make sense for the phosphorus to work with calcium to help with the bones, cells and DNA.
Hope this helped :)
Have a great day
Phosphorus is an element that plays a major role in various body activities. It is found in the bones, cell membrane, and DNA. Thus, option d is correct.
What is the role of phosphorus?Phosphorus is an element that has a major role in many activities and functions in the body. They are present in the bones along with the calcium to build and grow. It is also present in the cell membrane in the form of phospholipids.
They are present in the DNA as the structural element that makes the backbone of the nucleic acid. They are essential and have many structural and functional roles in the body.
Therefore, phosphorus is found in the cell membrane, bones, and DNA.
Learn more about phosphorus here:
https://brainly.com/question/2018437
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What type of cell is a rose thorn
rose thorns are multicellular
i hope this helps! :)
A scientist wants to speed up the chemical reaction. What are three things he or she could do to increase the reaction rate?
1. use a catalyst
2. increase the temperature
3. increase surface area of reactants
Just like other living thing, single-celled organisms must what?
live and havve a good life before it dies.
Well I know that they need good living conditions and they also need food like other living organisms.
where will the image of the paper clip appear to the observer
The observer will see the paper clip in 3
What are functions of protein
For example, enzymes are proteins that speed up chemical reactions in the body and hormones, like insulin, are proteins that regulate the activity of cells or organs. Some proteins transport materials throughout your body, such as hemoglobin, which is the oxygen-transporting protein found in your red blood cells
Cells in ur body contain protein the five main functions are
building tissue and muscles
hormone production
enzymes
immune function
energy
Sweden has a higher percentage of ___ than the United
Final answer:
Sweden has a higher percentage of secular individuals compared to the United States, which can impact the political and economic climate.
Explanation:
Sweden has a higher percentage of secular individuals compared to the United States. According to a 2009 Gallup survey, only 17 percent of adults in Sweden considered religion to be an important part of their daily lives, while the number was higher in the United States at 65 percent. This difference in religious beliefs can have an impact on the political and economic climate of the two countries.
What do mitochondrial and thylakoid membrane have in common
Answer:
Both of them use ATP synthase proteins in ATP production.
Explanation:
Mitochodrial and Thylakoid membranes both use adenosine triphosphate or ATP synthase proteins in ATP production.
Mitochondria are found in the living cells while Thylakoid membranes are found within chloroplasts that is in the plants. Both of these are responsible for the synthesis of energy that is in the form of adenosine triphosphate, which is widely known as ATP.
A dog has how many organs?
Answer:
i think it is about 8
Explanation:
cause i took a test
a trait that has two alleles, represented by p and q if p=.035 what is q
a..59
b.0.35
c.0.65
d.0.42
C is the answer to this question.
To find the value of q when you're given that p = 0.35, you can use the equation:
q = 1 - p
So in this case:
q = 1 - 0.35 = 0.65
So, the correct answer is:
C. 0.65
the nonliving components of a cornfield ecosystem include:
A) the sunlight and water
B) the cornstalks and microorganisms in the soil
C) the microorganisms in the soil and sunlight
D) the water and cornstalks
The nonliving components of a cornfield ecosystem, which are abiotic factors, are sunlight and water. Thus, the correct answer is A) the sunlight and water. These are essential for the growth and maintenance of the biotic components in the ecosystem.
Explanation:Abiotic Components of an EcosystemIn a cornfield ecosystem, the nonliving components (also known as abiotic factors) include elements such as sunlight and water. These abiotic factors are essential for the life of the corn and other living organisms within that ecosystem. Cornstalks are living entities (or the remains of living entities) and hence are considered biotic components. Soil microorganisms, although they reside in a nonliving substrate, are also biotic because they are living organisms. Therefore, the correct option is A) the sunlight and water.
Ecosystems are composed of both biotic (living things) and abiotic components that interact in complex ways. Abiotic factors are crucial for the growth of the biotic components. They include things such as sunlight which provides energy through photosynthesis, water which is necessary for all biochemical reactions, and other elements that exert an influence on the living organisms' ability to survive and thrive.
NEED HELP ASAP!!!!!!!!!!!!!!!!!!!!!!!!!!!!!!!!!!!!!!!!!!!!!!!!!!!!!!!!!!!!!!!!!!!!!!!!!!!!!!!!!!!!!!!!!!!!!!!!!!!!!!!!!!!!!!!!!!!!!!!!!!!!!!!!!
An energy pyramid is shown below.
Within ecosystems, energy generally flows from
A.
primary consumers to producers.
B.
secondary consumers to primary consumers.
C.
primary consumers to secondary consumers.
D.
all of these
Answer:
C. primary consumers to secondary consumers.
Explanation:
An eco-system is a set of living and non living organisms living in a certain area where they interact with each other to fulfill their life requirements. One of the every important component of any eco-system is food chain.
What is food chain?
Food chain is a series of events which involves the living organisms and the process of obtaining their food and nutrition from one organism to another.A food chain starts when the autotrophs or producers or plants produce their food through the process of photosynthesis.The next organism of food chain are primary consumers that eat plant based foods. These are called herbivores. For example: rabbit The next sequence organism of food chain are secondary consumers that eat primary consumers. These are called secondary consumers. For example: snakes that eat rabbit.The next sequence organism of food chain are Tertiary consumers that eat secondary consumers. For example owl which eats snakes.So based on above information we can say that flow of energy in an eco system is as:
Sun --> Producers --> primary consumers --> secondary consumers -->Tertiary consumersTherefore, only option C is correct.
Hope it help!