Explanation:
nucleotides are covalently linked to one another via the formation of a bond ( called a phosphodiester bond ) between a free hydroxyl group attached to the suger of one nucleotide and the phosphate group of a second nucleotide.
What type of cells are produced at the end of meiosis?
Answer:
haploids i think
Explanation:
sorry if its wrong!
Give two reasons why studying DNA is important.
DNA is important because it encodes the genetic characteristics of a living organisms
According to fossil records, the horses that lived 50 million years ago were much smaller, weaker and slower than modern horses. Which process is most likely responsible for the changes that have led to the increased size, strength, and speed in horses?Immersive Reader (1 Point) commensalism inbreeding migration evolution by natural selection
Evolution by natural selection.
survival of the fittest=natural selection
Explain why both unisexual and bisexual flowers can self pollinate.
Answer:
Bisexual flowers:
In order to make a new seed male gamete present in a pollen grain units with the female gamete present in the ovule.
Unisexual flowers:
Unisexual flower can self pollinate where both male and female flowers are present on the same plant. Stigma of the female flower can be pollinated by the pollen of the male flower present on the same plant.
How does your nose filter the incoming air?
The inside of your nose is called the nasal cavity. A mucous membrane lines your nasal cavity and it helps keep your nose moist. Little hairs inside your nasal cavity help filter the air you breathe in and block dirt and dust from getting into your lungs.
Here's the link for you to go more in-depth on your own. http://sciencenetlinks.com/student-teacher-sheets/mechanics-respiration/#:~:text=The%20inside%20of%20your%20nose,from%20getting%20into%20your%20lungs.
Which of the following increases genetic variation by forming entirely new alleles?
Natural selection
Genetic drift
Mutation
Gene flow
Answer:
gene flow
Explanation:
type of gene flow
PLS HELP ASAP!!!!!
Think about a model that you can construct that could be used to show the difference in prokaryotic and eukaryotic cells. In 6 complete sentences(3 for each type of cell), explain the process you would use to construct the model and how you would use the model to explain the differences between prokaryotic and eukaryotic cells to your classmates.
Answer:
Prokaryotic cell-- no organelles, no membrane.
Eukaryotic cell -- Have organelles and membrane.
Explanation:
For the model of prokaryotic cell, we construct the model by removing organelles from the cell whereas in the eukaryotic cell, we add the organelles because in eukaryotic organisms, organelles are present in the cell that performs specific function. In the model of prokaryotic cell, we have to remove membrane around the nucleus whereas membrane president around the nucleus. In the prokaryotic cell, nucleus is not visible while on the other hand, in eukaryotic cell, the nucleus is visible and can be differentiate from other organelles.
How can scientific conclusions be reliable, but also able to be changed with the introduction of new evidence
Answer:
scientific conclusions are reliable as they are helpful for many things however it is true that after the evolution of new ideas the old theory have some changes or may change fully or may be proved wrong but yeah the old theories are still helpful for many reasons and things.
so I think scientific conclusions are reliable
Each of DNA's four kinds of bases can pair with
only one of the other DNA bases. Using the base-
pairing rules, which of the following is the correct
order of bases that would pair with the following
string of bases on a DNA molecule:
Adenine, guanine, guanine, cytosine, thymine,
adenine
O A. Cytosine, thymine, thymine, adenine,
guanine, cytosine
O B. Thymine, cytosine, cytosine, guanine,
adenine, thymine
O C. Thymine, adenine, adenine, guanine,
cytosine, thymine
O D. Guanine, adenine, adenine, thymine,
cytosine, guanine
Answer:
The correct answer is - B. Thymine, cytosine, cytosine, guanine, adenine, thymine.
Explanation:
According to the base-pairing rule, the one purine binds with a specific pyrimidine always, the purine adenine (A) only pairs with the pyrimidine thymine (T) and similarly, the purine guanine (G) only pairs with the pyrimidine cytosine (C) in DNA, and in RNA the purine adenine (A) binds with the only uracil.
Here, the bases are -
Adenine, guanine, guanine, cytosine, thymine, adenine
the string of their base pair would be:
Thymine, cytosine, cytosine, guanine, adenine, thymine.
Which of the following does the ocean provide?
Question 1 options:
Over half the oxygen we breathe
Climate regulation
Pollution
Food and medicine
Answer:
Over half of the oxygen in the worldClimate regulationFoodThe ocean provides benefits to the whole world in many forms like over half the oxygen we breathe Climate regulation and Food.
The air we breathe: The ocean produces over 1/2 of the world's oxygen and absorbs 50 instances greater carbon dioxide than our atmosphere. Climate regulation: Covering 70 percent of the Earth's surface, the sea transports warmness from the equator to the poles, regulating our weather and climate patterns. One of the primary offerings furnished via way of means of the oceans to human societies is the provisioning carrier of meals from seize fisheries and culturing operations. What is the ocean used for?The oceans have lengthy been used as a platform for delivery and communications. They additionally offer residing sources for meals (fisheries and aquaculture) in addition to pharmaceutical, biotechnology, and genetic products.
Thus it is clear that the ocean provides Over half the oxygen we breathe
Climate regulation and Food.
To learn more about Pollution refer to the link :
https://brainly.com/question/24704410
Which Hawaiian island is the youngest (newest )?
Answer:im pretty sure its kauai actually
Explanation:yea i think soo!
Answer:
its hawaii
Explanation:
i hope its correct
plz can i get brainliest:)
Select the false statement about the effect of lymphopenia on the immune response following administration of immunosuppressive drugs like the corticosteroids. Select one: a. The immunosuppressive effect (lymphopenia) occurs 4 to 6 hours following drug administration and significantly reduces the number of circulating lymphocytes in the blood. b. Lymphopenia decreases the ability of lymphocytes to initiate and participate in an immune response. c. Corticosteroids increase the amount of lymphoid tissue and cells in the lymph nodes and spleen. d. None of these are false.
Answer:
The correct answer is option C (Corticosteroids increase the amount of lymphoid tissue and cells in the lymph nodes and spleen).
Explanation:
Lymphopenia occurs when the white blood cell count in the bloodstream of an individual that defends the body from a harmful attack is lower than normal this could be due to different reasons, maybe the body has been previously invaded by viruses, bacterias or diseases that have already weakened the immune system, or the body is under siege from a prolonged illness. The white blood cell counts may be very low or severe which rightly indicates all is not well with the body.
Corticosteroid drugs are usually used to treat inflamed areas of the body and they cause those special defensive white blood cells in the blood cell count to be channeled effectively to the bone marrow.
White blood cells, bone marrow, spleen, are examples of lymphoid tissue and cells which support the way the immune system responds to attack.
Corticosteroids don't increase the amount of lymphoid tissue and cells in the lymph nodes and spleen when immunosuppressive drugs like corticosteroids are used for individuals with lymphopenia.
What effect did an increasing human population have on the sustainability of a managed ebony forest?
A)The ebony forest population increased when managed, even as the human population grew. As the human population grew, forest management caused more trees to be produced.
B) The ebony forest population remained stable when managed, even as the human population grew. Forest management allowed more trees to be grown.
C) The ebony forest went extinct. As the human population grew, it was not possible to maintain the forest, even when it was managed.
The ebony forest went extinct. As the human population grew, it was not possible to maintain the forest, even when it was managed. That is option C
Forest is one of the renewable resources that needs to be conserved.
This is because the importance of forest to humans, wildlife and the soil can not be over emphasized.
Their benefits include:
They provide a protective cover for the soil against the action of wind and rain.They act as wind-breaks, reducing wind speeds and checking the erosion of the surrounding land.They provide homes for wildlife.When there is increase in human population, the chances of a conserved forest like ebonyi forest to survive is diminished.
This is so because, with the increased population there will be:
Increased demand for timber,Clearing of forest for growing crops, Setting up industries, building roads and houses.Therefore, the government may be forced to clear the forest to attend to the needs of the growing population. This can cause the ebonyi forest to go extinct.
Learn more here:
https://brainly.com/question/12275190
What solution can be used to detect blood that has been cleaned or cannot be seen?
Answer:
Fluorescein is a presumptive blood test for latent bloodstain detection. It has been used in forensic applications to reveal trace amounts of blood. Traces of latent blood can be detected even after repeated cleansing of the crime scene.
Explanation:
- Eijiro <3
how does cancer effect the skin?
How many stages of development take place in incomple metamorphosis? A.two B.three C.four D.five
Answer: isnt it C. four
Explanation:
Myrtle the Turtle finishes a 5 meter race in 7 minutes, How far would he walk in 3.5 minutes? (Round to the
first decimal place.)
Answer:
2.5
Explanation:
3.5/(7/5)=2.5 hope this helps
12. What are the products of this 1st stage of cell respiration?
Answer:
Cellular respiration is a three stage process your body undergoes to produce ATP. The first of these stages is called glycolysis. Glycolysis is a process that uses sugar to create ATP molecules.
Explanation:
Hope this helped :)
What struggles do aquatic organisms have that terrestrial ones do not?
If you are not going to actually answer the question don't even bother.
Answer:
Aquatic animals can be found in water habitats, which can be either fresh or marine. Terrestrial animals can be found exclusively in the land. Aquatic animals respire through gills or their skin. ... The main difference between aquatic and terrestrial animals is their habitat and modes of living
Explanation:
Answer:
being destroyed easily
Explanation:
aquatic organisms are faced with lots of challenges,,,eg.....oilspillage on water bodies,this prevents entry of oxgen into water hence suffocation leading to death,also growth of weeds such as water hyacinth which suck nutrientss and oxygen from water,,,also aquatic krganisms are hunted by lots of predators compared to that of terrestrial
The nucleus contains genetic information which controls and gives the cell _________________ about what to do.
Answer:
please give me brain list and follow
Explanation:
The main function of the cell nucleus is to control gene expression and mediate the replication of DNA during the cell cycle. The nucleus is an organelle found in eukaryotic cells. Inside its fully enclosed nuclear membrane, it contains the majority of the cell's genetic material.
According to the food web diagram, what is the energy role of the bird? *
a-herbivore
b-carnivore
c-producer
d-omnivore
e-scavenger
Answer:
It seems to be an omnivore.
Explanation:
It eats both seeds and insects, and omnivores eat meat and plants.
Do you think we should use technology to alter/manipulate our genetic code? Explain.
Answer: Yes and No
Explanation: I think that we should use technology to alter our genetic code if someone is ill/sick because it is actually beneficial, but I think we shouldn't dive too deep or get lost in altering genes because it can cause unintended consequences.
Explanation:
When we can govern the very biology that makes us who we are, what will it ... Technology Will Soon Give Us Precise Control Over Our Brains and Genes ... to manipulate these elements for medical purposes, do we not risk altering who we are? ... I feel a responsibility to at least explore what it would it take for the science .
13. List the advantages of glycolysis.
If oxygen is present...
Answer:
Although glycolysis doesn't require oxygen, the fate of the pyruvate molecules depends on whether oxygen is present. If oxygen isn't available, the pyruvate is converted to lactate, and no additional ATP is produced from this conversion. If oxygen is present, the pyruvates are transported into the mitochondrial matrix.
Explanation:
Which statement is an example of variation within a species? picture attatched.
A. Birds have wings, and so do butterflies.
B.Some squirrels are gray, and others are brown,
C.A lion roars and so does a tiger.
D.Dinosaurs are extinct but we know that they existed because of fossils.
Answer: B
Explanation: The other answers are talking about similarities among different species.
How do your results demonstrate independent assortment?
Answer:
with your big toe treyyyyyy
Explanation:
A. Write two sentences explaining how carbon returns from the air to the ground.
Answer:
In the atmosphere, carbon is attached to oxygen in a gas which is called carbon dioxide and through the the process of photosynthesis, it is pulled from the air to produce food made from carbon for plant growth. And through food chains, the animals that eat plants get that carbon and so do the animals that eat those animals.
When an animal dies, their bodies as well as wood and leaves decaying brings the carbon into the ground.
if you are hiking and find fossils, can you dig them up
Answer:
thanks for the points May God bless you always
an adaption that helps an organism blend in with the environment is called
I believe the correct answer is camouflage. The ability to blend into an animal’s environment.
Hope this helps!
Please help what's the answer
the female part of the plant is called the
A. stamen
B. pistil
Answer:
B
Explanation:
Answer:
the correct answer is B. pistil