why do chromosomes become visible during prophase?
Answer:
the DNA molecules are progressively shortened and condensed by coiling, to form visible chromosomes. ... The spindle fibers shorten and the centromere splits separating the two sister chromatids, the individual chromosomes are pulled to opposite poles of the cell.
Explanation:
If a plant closes its stomata, this means *
it will become turgid
it loses water by transpiration
it can take in more oxygen for respiration
it cannot take in carbon dioxide for photosynthesis
Are those right????...,
Answer:
yes
Explanation:
How Bacteria Develop Resistance To Antibiotics And How Humans Can Contribute To The Phenomenon
what is a niche I'm confused
Answer:
the role an organism plays in a community
Answer:
a comfortable or suitable position in life or employment
please help me anyone wit bio
Answer: i uasally dont answer real questions but biology is my favorite, its a, interphase
Explanation:
Answer:
D- Anaphase
Explanation:
Stage of mitosis after the process of metaphase, when replicated chromosomes are split and the newly-copied chromosomes.
Choking on food is most likely caused by an interference with the proper functioning of the...
Answer:
esophagus
Explanation:
the esophagus is the pipe/muscle that leads to your stomach
Choking on food is most likely caused by an interference with the proper functioning of the oesophagus.
What is oesophagus?
The digestive system, sometimes known as the gastro-intestinal tract, includes the oesophagus (gullet) (GI tract). An oesophageal tube is made of muscles. It joins the mouth with the stomach.
The oesophageal walls contract together as you swallow food (contract). This causes the food to travel from the mouth to the stomach.
The diaphragm is a layer of muscle located below your lungs. It facilitates breathing. The majority of your oesophagus is located in your chest above the diaphragm.
Therefore, Choking on food is most likely caused by an interference with the proper functioning of the oesophagus.
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Question #1
Which statement about meiosis is true
Answer:
A.
Explanation:
The process results in four daughter cells that are haploid, which means they contain half the number of chromosomes of the diploid parent cell. Meiosis has both similarities to and differences from mitosis, which is a cell division process in which a parent cell produces two identical daughter cells.
HELP ME PLS ASAP IT’S ALREADY OVER DO I WILL GIVE BRAINLIST IF U ANSWER EVERY QUESTION YES they have to be real answers... NO Nonsense pls and NO links they never work for me
4. Describe the cladogram below. (2 sentence minimum)
5. Which reptile is the snake most closely related to? Explain how you came to that
conclusion
6. Which reptiles are the least related? Explain how you came to that conclusion.
Answer:
the clouhaudram is a representation of repitles with diffren chamberd hearts.Also the clauhgrdram is showing what reptile are in the same catogory besides the bird and the crocidile.
tauratura because they where her ner the time of dinosauros and then came snakes tthen ome snakes adapted to diffrent envirment and grew legs
the least related is a lizard and a tura tuar because they cam last the lizard did
Explanation:
hope this help
I NEEEEDDDD HELPPP PLEASE
Answer:
He observed the offspring by it's pea colour and petal colour, the main fundamental parts of it's characteristics and which one has the dominant effect through colour.
7. Why is it so unlikely for a girl to get a disorder like Duchenne Muscular Dystrophy
Answer:
Because it takes a very long time and an interesting mindset.
Explanation:
People don't really have an explanation for the things that we do they just suddenly build up inside us
Answer:
This is because the mutated gene responsible for Duchenne is located in the X chromosome. Girls have two X chromosomes, meaning that the body usually inactivates the chromosome that carries the mutation. The female will carry the mutation, but manifest little to no symptoms of the disease.
Explanation:
I hope that this helped you ;)
Would a volcanic eruption affect Earth’s climate?Justify your response.
Answer:
Explanation:
The gases and dust particles thrown into the atmosphere during volcanic eruptions have influences on climate. Most of the particles spewed from volcanoes cool the planet by shading incoming solar radiation. The cooling effect can last for months to years depending on the characteristics of the eruption.
Your body releases more glucose into your blood during the fight or flight response.
true or false
Explanation:ture,as the body gets CD the body takes that and gives it to the lungs which than turns the CD into O2 which makes glucose.
In which population is genetic equilibrium most likely to occur?
Answer:
RANDOM MATING
Explanation:
random mating
The Hardy Weinberg principle of genetic equilibrium defines that gene and allelic frequencies will remain the same among the generations in an infinitely large interbreeding population. In this population the mating among the members of the population is random and no selection, migration and mutation will occur.
In what respect is a mycelium and a fruiting body similar?
Both are made of hyphae.
Both are found above the ground.
Both produce reproductive spores.
Both absorb nutrients underground.
Both produce reproductive spores. Therefore, option (C) is correct.
What are reproductive spores?Reproductive spores are specialized structures produced by certain organisms for the purpose of reproduction. Spores are single cells or groups of cells that are capable of developing into new individuals under suitable conditions. They are typically small, lightweight, and highly resistant to environmental conditions, allowing them to disperse over long distances.
Various organisms produce reproductive spores, including fungi, algae, plants (such as mosses and ferns), and some bacteria. These spores serve as a means of reproduction and dispersal, enabling these organisms to colonize new habitats and propagate their species.
Reproductive spores can be produced through different mechanisms, such as asexual or sexual reproduction. In some cases, spores are released into the surrounding environment and can be carried by wind, water, or other organisms, allowing for widespread distribution and colonization.
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30 g of ammonia nitrate and nitrite are added to a soil sample. Predict whether these concentrations would increase decrease or stay the same if ammonia nitrifying bacteria were added to the sample 30 g of ammonia nitrate and nitrite are added to a soil sample. Predict whether these concentrations would increase decrease or stay the same if ammonia nitrifying bacteria were added to the sample
Answer:
See explanation
Explanation:
Nitrifying bacteria convert the most reduced form of soil nitrogen, ammonia, into its most oxidized form, nitrate(Science direct).
Nitrifying bacteria converts ammonia to nitites and finally to nitrates in the soil.
Hence, when 30 g of ammonia, nitrate and nitrite are added to a soil sample in the presence of nitrifying bacteria; the concentration of ammonia decreases over time while the concentration of nitrite and nitrate increases over time.
ammonia stays the same
nitrates decrease
nitrates increase
what element has a charge of -2 when bonding? on the periodic table
Answer: Oxygen has a charge of -2 when bonding
How important are proteins to the function of a cell?
SPHERE Why do you think each of these systems includes the word "sphere"?
Answer:
Because the "-spheres" are literally presented as spheres.
Explanation:
If you think about the atmosphere, its literally just a huge ball of the air around you. Same with hydrosphere, biosphere, etc. (It's just a ball of whatever is categorized in that sphere.)
Question 5 of 10
How do mutations in DNA lead to genetic variation within a species?
O A. They increase the rate at which parents can produce offspring.
B. They cause offspring to have the exact same DNA as their
parents.
C. They reduce the amount of time it takes parents to produce
offspring
D. They result in new traits being inherited by offspring from their
parents.
SUBMIT
Answer:
D
Explanation:
A and C are the same, irrelevent answer. B is the opposite of what the question is asking, and so D is the only acceptable answer.
Which of the following are techniques besides molecular clocks used by scientist to calculate the rate at which a stretch of DNA changes? (Choose all that apply)
•comparison of human behaviors
•carbon dating of fossils
•comparison of blood proteins
•comparison of homologous structures
Answer:
B and D
Explanation:
Human behaviors do not affect the entire evolution of every lifeform that has existed, therefore, A is FALSE
Carbon dating is commonplace in figuring out how old a lifeform could be, therefore, B is CORRECT
Blood proteins are commonly known to not last long and decompose fast, so fossilization of blood tends to not happen, plus it's next to impossible to tell what species had that genetic data, therefore, C is FALSE
For D, I kinda forgot most of my explanation, but I remember that it's correct, as I got the question correct on the assignment.
The carbon dating of fossils and comparison of homologous structures are techniques besides molecular clocks used by scientist to calculate the rate at which a stretch of DNA changes.
So, option B and D are correct one.
Human behaviors do not affect the entire evolution of life of organism that has existed, therefore, A is FALSE
Carbon dating is commonplace in figuring out how old a life of any organism, therefore, B is CORRECT
Blood proteins are commonly known to not last long and decompose faster, so fossilization of blood tends to not happen, plus it's next to impossible to tell what species had that genetic data, therefore, C is FALSE
By comparing of homologous structures we determine nucleotide sequence exchanged between two similar or identical molecule of DNA. So, option D is correct
What is Carbon dating?It is also referred as radiocarbon dating.It is the method used to determine the age of the living organism containing organic( carbon ) based material by using isotopes of carbon which is radioactive.Learn about carbon dating
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((GIVING BRAINLIEST)) THIS IS BABY WORK...
What is a water reservoir?
A dam that blocks water
A place in the middle of the ocean
A place where water is collected
A small container
Answer:
A water reservoir is an artificial lake where water is stored, so the closest would be C.
Answer:
c
Explanation:
Permanent loss of forests can contribute to all the following problems except:
a. A wamer climate
b. Extinction of animal species
C. Higher levels of CO2
d. Higher levels of Oz
what happens to waste material in surface mining?
Answer:
Your answer is that mining activities increase the volume and rate of exposure of sulfur-containing rocks to air and water, creating sulfuric acid and dissolved iron. This acid run-off dissolves heavy metals such as copper, lead and mercury which leach into ground water aquifers and surface water sources, harming humans and wildlife
What does this diagram represent?
A)DNA
B) RNA
C) a gene
D) an allele
the graph shows temperature anomalies for earth over a 140-year period. a temperature anomaly is a variation from the average temperature. a positive temperature anomaly indicates a temperature that is higher than average. what conclusion can you draw from the information shown in the the graph?
Answer:
A
Explanation:
I believe the answer is a because temperatures won't rise because of natural causes they will rise because of human activities. these activities include deforestation farming and oil mining ect
Answer:
its d earth is expiericing global warming
Explanation:
its d
Which type of clouds are shown?
The process in which an organism exchanges gases with its environment is known as
O respiration
O precipitation
O transpiration
O evaporation
Answer: the answer is respiration
Most membrane-enclosed
organelles, including the
nucleus, ER and Golgi, probably
originated from deep folds in
the
Answer: Plasma membrane
Explanation:
According to endosymbiont theory most of the membrane bound cell organelles like nucleus, Golgi bodies, and endoplasmic reticulum are originated from plasma membrane in the deep folds. This theory also suggests that chloroplast and mitochondria are originated from the bacterial cells or primitive prokaryotic cells. These are the organelles chiefly present in the eukaryotic cells. This theory suggests that primitive earth was supported by the bacteria.
list Three examples of fossils that could help you learn information about the planet past ?
Explanation:
Examples include bones, teeth, shells, leaf impressions, nests, and footprints. This evidence reveals what our planet was like long ago. Fossils also show how animals changed over time and how they are related to one another.
Answer:
bones plants and rocks
Explanation:
I'm not serten i'm sorry