the chromatin condenses
into visible chromosomes
Answers
Answer: DNA and proteins contained in the nucleus, known as chromatin, condenses. ... The chromatin coils and becomes increasingly compact, resulting in the formation of visible chromosomes. Chromosomes are made of a single piece of DNA that is highly organized.During prophase, chromatin condenses into chromosomes, and the nuclear envelope, or membrane, breaks down. In animal cells, the centrioles near the nucleus begin to separate and move to opposite poles (sides) of the cell. ... The spindle starts to form during prophase of mitosis
Explanation:
Related Questions
The suffix that means surgical crushing is ________.A medical term that means pertaining to the seminal vesicles is ________.
Answers
Answer: The suffix that means surgical crushing is: otripsy | A medical term that means pertaining to the seminal vesicles is Vesicular.
The suffix indicating surgical crushing is '-tripsy', as in lithotripsy. The term referring to the seminal vesicles is 'seminal'.
Explanation:The suffix that means surgical crushing is -tripsy. An example of a medical term using this suffix is lithotripsy, which means surgical crushing of stones (usually in the kidney or ureter).
A medical term that means pertaining to the seminal vesicles is seminal. Seminal vesicles are glands that secrete a fluid that forms part of semen, and a condition affecting these would be referenced using the term 'seminal'.
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Consider a variant of Hotelling’s model in which there are 3 candidates and each candidate has the
option of staying out of the race, which is better than losing and worse than tying for first place.
Less than 1/3 of the citizen’s favorite positions are equal to the median favorite position (m).
Answers
The statement suggests that less than one-third of the citizens' favorite positions are equal to the median favorite position.
Hotelling's model is a spatial model of political competition where candidates position themselves along a one-dimensional policy space to maximize their vote share. In this variant, with the inclusion of the option to stay out of the race, candidates have the opportunity to avoid losing by not participating. However, staying out of the race is still considered less favorable than tying for first place.
The statement indicates that less than one-third of the citizens' favorite positions are equal to the median favorite position (m). This suggests that there is a concentration of citizen preferences on positions other than the median. The specific distribution of citizen preferences and its implications would depend on the exact positioning of the candidates and the nature of voter behavior.
Overall, this variant of Hotelling's model introduces an additional option for candidates to stay out of the race, which affects the dynamics of competition and the distribution of citizen preferences. The statement about the concentration of citizen preferences highlights a departure from a symmetric distribution and adds complexity to the strategic choices and outcomes in the model.
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What are the names given to the process by which carbon molecules are broken down to make carbon dioxide and release a great amount of energy?
Answers
Answer:
Explanation:
Cellular respiration -
Cellular respiration is the aerobic process by which living cells break down glucose molecules, release energy, and form molecules of ATP. Overall, this three-stage process involves glucose and oxygen reacting to form carbon dioxide and water.
Answer:
The tricarboxylic acid cycle
The Kelvin cycle
Explanation:
What does the bottom question mean? Will give extra points for right answer only
Answers
Answer:
its talking about how much can the red line go up till u hit its temp limit i wish i could help more but i cant see hardly anything to tell u the complete anwser
Explanation:
Answer:
Compare the temperture to the 'recommended temperature limit' line.
Explanation:
'how does....relate' also means compare/describre how they affect one another.
Scientists are concerned about a decrease in global biodiversity due to extinctions of organisms now and in the future. Scientists know about a mass extinction that wiped out the dinosaurs in a very short time. Describe a possible cause of this mass extinction and two consequences that may give scientists cause for alarm about the possibility of future mass extinctions.
Answers
Answer:
Mass extinctions happen because of climate change, asteroid impacts, massive volcanic eruptions or a combination of these causes. One famous mass extinction event is the one that lead to the extinction of dinosaurs, 65 million years ago.
Explanation:
I NEED HELP PLEASE !!!
Answers
Answer:
Researchers analyze the information they have gathered during their experiment.
Explanation:
They are analyzing DATA that has been COLLECTED over the course of the experiment.
PLEASE HELPPP
A species of fish has developed the ability to eat smaller fish and algae over time. Some fish with smaller mouths eat the algae, and ones with larger mouths eat other fish. If the algae were to go extinct, how would genetic variation help save the fish species?
Answers
Answer:
As many algaes
Explanation:
because it's the algae that can the fish species
This assignment should be completed before entering lab. This assignment is beginning of the lab session. Use BioFlix Tutorial for Chapter 8 to complete th 1、 The graph presents thre activation energy profiles for a chemical reaction (the hydrolysis of sucrose): an uncatalyzed reaction, and the same reaction catalyzed by two different enzymes Activation Energy Uncatalyzed Enzyme A Enzyme 8 Reaction Progress Rank these by reaction rate, as measured by the rate of product formation per unit time, from lowest reaction rate to highest reaction rate. a. Reaction catalyzed with enzyme A, b. Reaction catalyzed with enzyme B, c. Uncatalyzed reaction Enzyme #1 (lowest reaction rate): #2: Speeifie- Active site Denatured- Catalyst Cemplex- #3 (highest reaction rate): 2. Fill in the blank using the word bank provided. a. An enzyme is Denahaxed when it loses its native conformation and its biological b. An enzyme is considered a c. An enzyme is considered Secse because of its ability to recognize the shape of d. When properly aligned, the enzyme and substrate form an enzyme-substrate (ES) e. A substrate binds to an enzyme at the Ache sik where the reaction occurs. f. In a catalyzed reaction a reactant is often called a Sunshnte activity without being used up. a particular molecule. because it speeds up chemical reactions 35
Answers
The correct order of reaction rate from lowest to highest is Uncatalyzed reaction, Reaction catalyzed with enzyme A, Reaction catalyzed with enzyme B.
1. The graph presents three activation energy profiles for a chemical reaction (the hydrolysis of sucrose):
an uncatalyzed reaction, and the same reaction catalyzed by two different enzymes. Rank these by reaction rate, as measured by the rate of product formation per unit time, from lowest reaction rate to the highest reaction rate.a. Uncatalyzed reaction
b. Reaction catalyzed with enzyme A
c. Reaction catalyzed with enzyme B
The correct order of reaction rate from lowest to highest is: Uncatalyzed reaction, Reaction catalyzed with enzyme A, Reaction catalyzed with enzyme B.
2.
a. An enzyme is Denatured when it loses its native conformation and its biological activity.
b. An enzyme is considered a Catalyst because of its ability to recognize the shape of a particular molecule.
c. An enzyme is considered Specific because of its ability to recognize the shape of a particular molecule.
d. When properly aligned, the enzyme and substrate form an enzyme-substrate (ES) complex.
e. A substrate binds to an enzyme at the Active site where the reaction occurs.
f. In a catalyzed reaction, a reactant is often called a Substrate because it speeds up chemical reactions without being used up.
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Hardy-Weinberg equitibrium is an ideal state that is rarely achieved in nature, however, many populations are close enough to equilibrium that the Hardy-Weinberg equation accurately represents the allele frequency in the population. The Churchill polar bear population can be described as being in Hardy-Weinberg equilibrium due to ...i... but could also be discounted as a Hardy-Weinberg population due to -..ii-.
a. the fact that they migrate extensively; its relatively large population
b. the fact that the population is isolated during the denning season; the fact that mating is relatively random c. its relatively large population; the fact that they migrate extensively d. the fact that mating is relatively random; the fact that the population is isolated during the denning season
Answers
Hence the correct Option is d: the fact that mating is relatively random; the fact that the population is isolated during the denning season.
Hardy-Weinberg equilibrium is an ideal state that is rarely achieved in nature, however, many populations are close enough to equilibrium that the Hardy-Weinberg equation accurately represents the allele frequency in the population. The Churchill polar bear population can be described as being in Hardy-Weinberg equilibrium due to its relatively large population but could also be discounted as a Hardy-Weinberg population due to the fact that the population is isolated during the denning season, and the fact that mating is relatively random.
A population is said to be in Hardy-Weinberg equilibrium when certain assumptions are met, including random mating, large population size, no migration, no mutation, and no natural selection. The Hardy-Weinberg equilibrium also represents the genetic makeup of the population. The Churchill polar bear population is relatively large and the mating is random, making it a Hardy-Weinberg population.
However, the population is also isolated during the denning season, and the mating is relatively random. Polar bears generally mate and reproduce during the months of March to May. Churchill, the polar bear capital of the world, attracts more than 3000 tourists each year who gather to watch the bears during their mating season.
The population is isolated during the denning season, which could cause non-random mating. Non-random mating can affect the frequency of alleles, making the population genetically different from the Hardy-Weinberg equilibrium population.
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16. Identify what would be more significant: a mutation in the base sequence of DNA OR a
change in the base sequence of mRNA?
Answers
A mutation is a heritable alteration in the DNA target dna of an organism that eventually contributes to genetic variation.
Good or bad mutations exist?Depending in their context or location, mutational impacts may be advantageous, detrimental, or neutral. Most neutral mutations are harmful. Generally speaking, the effect of a mutation and its likelihood of being detrimental increase with the number of base pairs that are impacted by the mutation.
What is an actual case of mutation?Cystic fibrosis is a human illustration. The body produces thick, viscous mucus that obstructs digestive organ ducts and clogs the lungs due to a single gene mutation. Cancer is a condition in which cells produce aberrant cell masses as they grow out of control.
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What do you guys think when you think of biology?
Answers
Answer:
I think science
Explanation:
Explain the strengths and limitations of using 16S rRNA for phylogenetic analyses.
Answers
16S rRNA is a widely used molecular marker for phylogenetic analyses and is found in the small subunit ribosomal RNA of prokaryotes (bacteria and archaea).
What is ribosomal RNA?
Here are the strengths and limitations of using 16S rRNA for phylogenetic analyses:
High Conservation: The 16S rRNA gene is highly conserved across different bacterial and archaeal species, meaning that the same gene can be found in many different organisms. This allows for comparisons between different species and can be used to establish evolutionary relationships.
Slow evolution: The 16S rRNA gene evolves at a relatively slow rate, which makes it suitable for analyzing relationships between distantly related organisms.
Amplification: The 16S rRNA gene can be easily amplified by polymerase chain reaction (PCR) techniques, allowing for the study of organisms that cannot be cultured.
Publicly available databases: There are extensive publicly available databases that contain 16S rRNA sequences from many different organisms, which facilitates comparative analyses.
Limitations:
Limited resolution: While 16S rRNA provides a good overview of evolutionary relationships, it can have limited resolution at the species or strain level, meaning that it may not be able to differentiate closely related organisms.
Horizontal gene transfer: The 16S rRNA gene can be horizontally transferred between different species, which can complicate phylogenetic analyses.
Genetic diversity: Different bacteria and archaea may have different numbers of copies of the 16S rRNA gene, making it difficult to compare between different species.
Inaccurate annotations: There is a possibility of misannotation or errors in public databases that contain 16S rRNA sequences, which can lead to inaccurate results.
In summary, 16S rRNA is a useful tool for analyzing evolutionary relationships between different bacterial and archaeal species, but it has limitations and should be used in conjunction with other molecular markers and techniques for more accurate and comprehensive analyses.
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Silicates are a group of minerals
that contain what two elements?
A. silver and gold
B. silicon and oxygen
C. carbon and sodium
D. hydrogen and helium
Answers
Answer:
Quartz falls into a group of minerals called the silicates, all of which contain the elements silicon and oxygen in some proportion.
Explanation:
Ok i have more i need them both answered tho
Mitosis
DEFINITION:
Meiosis
DEFINITION:
Answers
Answer:
Mitosis a type of cell division that results in two daughter cells each having the same number and kind of chromosomes as the parent nucleus, typical of ordinary tissue growth.
Explanation:
Meiosis a type of cell division that results in four daughter cells each with half the number of chromosomes of the parent cell, as in the production of gametes and plant spores.
Answer :
Mitosis : Mitosis is a process of asexual reproduction observed in unicellular organisms.
Meiosis : Meiosis is the process in which a single cell divides twice to form four haploid daughter cells. These cells are the gametes – sperms in males and egg in females.
what's the fear of lizards Called?
Answers
Answer:
Herpetophobia is a fear of reptiles. People with herpetophobia are most often afraid of reptiles like snakes and lizards. ... If you have a specific phobia, you feel an overwhelming sense of fear or anxiety about something. There are many different types of specific phobia.
Explanation:
An experiment was conducted to determine if hot water will freeze faster than water at room temperature. Which of the following is the dependent variable? 1.Temperature of the freezer 2.The water at room temperature 3.The hot water 3.The rate of freezing
Answers
Answer:
The dependent variable is the variable that changes when the independnet variable is manipulated.
Explanation:
The independent variable is the water temperatures, the variable you change. The dependent variable is the rate of the water freezing.
the following processes occur in aerobic cell respiration. i. decarboxylation of pyruvate ii. diffusion of protons through atp synthase iii. phosphorylation of glucose which is the correct sequence for these process
Answers
The processes that occur in aerobic cell respiration are an option iii. phosphorylation of glucose.
Aerobic respiration miles the technique of mobile respiration that takes location inside the presence of oxygen gas to produce electricity from food. This type of respiratory is not unusual in most plant life and animals, birds, humans, and different mammals. In this procedure, water and carbon dioxide are produced as give-up merchandise.
Throughout aerobic cellular respiration, glucose reacts with oxygen, forming ATP that can be used by the cell. Carbon dioxide and water are created as byproducts. the overall equation for cardio cellular respiration. In cell breathing, glucose and oxygen react to form ATP.
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distinguish between biodegradable and non biodegradable materials
Answers
Biodegradable and non-biodegradable are like day and night. Biodegradable products do not harm Mother Nature and the environment because they have the ability of the Incredible Hulk to decompose into safe substances. Non-biodegradable materials, on the other hand, are like obsessive former best friends who won't let go and stay around forever, clogging landfills and polluting our planet like there's no tomorrow. In other words, biodegradables are angels in disguise, and non-biodegradables are the bad guys we should stay away from like a bad cold if we want to prevent the end of the world as we know it due to pollution. Be kind to nature by selecting biodegradation over eternal punishment the next time you have to choose between an apple core and a plastic straw.
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1) The reaction is at dynamic equilibrium.
N2 + 3H2 ⇌ 2NH3
Which statement is correct?
a) Nitrogen and hydrogen combine at the same rate that ammonia breaks down.
b) The solution has the same concentrations of nitrogen gas and ammonia.
c) Both directions of the reaction have stopped.
d) The solution has the same concentrations of nitrogen and hydrogen gases.
2) Sodium chloride and calcium carbonate combine to form sodium carbonate and calcium chloride in the reversible reaction.
2NaCl + CaCO3 ⇌ Na2CO3 + CaCl2
Which statement about the reaction is necessarily correct?
a) The reaction will continue until the sodium chloride is used up.
b) The rate at which calcium chloride is equal to the rate at which sodium chloride is produced.
c) Both calcium carbonate and sodium carbonate are being produced.
d) The reaction is moving only from left to right.
3) In a chemical reaction, the forward rate is greater than the reverse rate. Which statement about the reaction is correct?
a) The reaction is reversible.
b)The reaction is at dynamic equilibrium.
c)The reaction will continue until the reactant is used up.
d)The concentrations of the reactant and the product are equal.
4) What is the fastest motion that can be measured in any frame of reference?
a)300,000 m/s
b)300,000 km/s
c)186,000 m/s
d)186,000 km/s
5) Two people are on a train that is moving at 10 m/s north. They are walking 1 m/s south relative to the train. Relative to the ground, their motion is 9 m/s north.
Why are we able to use these motions to describe the motion relative to the ground?
a)As long as the frame of reference is stationary, all motion can be described in this way.
b)If one object is moving much slower than the speed of light, its speed can be added to that of another object.
c)The motion of everything in the Universe besides light can be described in this way.
d)The people are moving much slower than the speed of light so the ground acts as a frame of reference.
Answers
Answer:
1) Nitrogen and hydrogen combine at the same rate ammonia breaks down.
2) Both calcium carbonate and sodium are being produced
3) The reaction is reversible
4) 300,000 km/s
5) The people are moving much slower than the speed of light so the ground acts as a frame of reference
Explanation:
The fastest motion is the speed of light measured as 300,000 km/s.
A reaction system is said to have attained dynamic equilibrium when the rate of forward reaction is the same as the rate of reverse reaction. Given the equation; N2 + 3H2 ⇌ 2NH3, the correct statement is that; "nitrogen and hydrogen combine at the same rate that ammonia breaks down.
We have the equation; 2NaCl + CaCO3 ⇌ Na2CO3 + CaCl2, the correct statement based on this equation is that; both calcium carbonate and sodium carbonate are being produced.
When the forward rate of a reaction is greater than the reverse rate, the reaction is reversible. The fastest motion is the speed of light measured as 300,000 km/s.
Given the relative motion of the two people, we are able to use these motions to describe the motion relative to the ground because he people are moving much slower than the speed of light so the ground acts as a frame of reference.
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What is the full form of DNA
Answers
Deoxyribo Nucleic Acid.
Answer:
deoxyribonucleic acid
Explanation:
this is dna full form
Justin notices a particular type of caterpillar feeds only on cottonwood trees in his neighborhood.In which way has Justin increased his scientific knowledge?
Answers
The answer is He made observations about nature world.
Explanation:
And it was observed that the specific caterpillar fed only on the aspen. Therefore, the conclusion was drawn based on observations alone and no experiments were conducted on Justin's part.The set of methods given describes the observational experiment when Justin notices and acquires the established pattern of the specific caterpillar. The goal was to notice the specific caterpillar to see what it feeds on and whether or not it feeds on another. Therefore, it indicates the nature of the world.
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A person with the genetic disorder Klinefelter's syndrome has an extra x-chromosome (genotype XXY). What can you predict is the most likely genetic mutation that results in Klinefelter's syndrome?
Answers
Answer:
The correct answer is non-disjunction at the time of meiosis.
Explanation:
A disorder, which takes place in males exhibiting an additional X-chromosome and is an outcome of an error in cell differentiation resulting in anomaly known as the Klinefelter's syndrome. Due to non-disjunction the egg or the sperm may acquire an additional X-chromosome. When these unusual cells take part in the genetic makeup of a person, then that individual most probably suffers from the condition termed as Klinefelter's syndrome.
In the majority of the circumstances, the division of the cells takes place generally during the development of the sperm, and at the same time, there may be certain errors at the time of egg development. Generally, the condition is mostly seen in the offspring of women that conceive after the age of 35.
Which liquid is water
Answers
Answer:
Its chemical formula is H2O, meaning that each of its molecules contains one oxygen and two hydrogen atoms, connected by covalent bonds. "Water" is the name of the liquid state of H2O at standard ambient temperature and pressure.
Explanation:
Hope this helps!
H2O
2 hydrogen atoms and 1 oxygen atom create the water molecule. H2 (2 hydrogen atoms), O (1 oxygen atom)
poured sand in a pan. which other material should ty add to the pan to model stream erosion
Answers
Answer:
water
Explanation:
because i said so.
According to the Red Queen Hypothesis, predators and prey evolve together to gain small advantages against one another. Give an example of a prey and predator. How might they change slightly over time together? Why?
Answers
An example of a prey and predator that co-evolve due to the Red Queen Hypothesis is the cheetah (predator) and the impala (prey) in the African savannah. The impalas evolve to become faster and more agile, enabling them to outrun cheetahs.
The impalas develop longer legs, allowing for increased stride length and higher running speeds, as well as enhanced agility through improved coordination and quick directional changes. On the other hand, cheetahs develop longer, more muscular bodies to improve their acceleration and top speed. They also possess sharper claws for better grip during high-speed chases.
These changes occur because faster impalas have a higher likelihood of escaping predation, while faster cheetahs have a better chance of catching their prey. Thus, natural selection favors individuals within each species that possess advantageous traits, leading to the co-evolutionary chase between the predator and prey.
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Sperm and egg have ___________ the number of chromosomes as a body cell.
Answers
Answer:
Sperm and egg have 23 the number of chromosomes as a body cell.
Hope this helps =)
Which form of early photosynthetic life consumed much of the CO₂ in Earth's atmosphere, allowing life to become possible?
A Cyanobacteria
B. Spirochetes
C. Protists
D. Red-Yellow algae
Answers
Create the mRNA strand and the amino acid chain that would be produced during protein synthesis.
AAA-GCT-CCA-TCG-GCT-AGG (DNA)
Answers
To determine the mRNA strand and the resulting amino acid chain during protein synthesis, we need to transcribe the given DNA sequence into mRNA and then translate it into amino acids using the genetic code. These are fundamental steps that both occur during synthesis of protein.
Given the DNA sequence: AAA-GCT-CCA-TCG-GCT-AGG
1. Transcription:
During transcription, DNA is converted into mRNA. We create the complementary mRNA sequence by replacing each DNA base with its corresponding RNA base:
AAA-GCT-CCA-TCG-GCT-AGG (DNA)
UUU-CGA-GGU-AGC-CGA-UCC (mRNA)
2. Translation:
During translation, mRNA is decoded to produce an amino acid chain based on the genetic code. Each set of three mRNA bases, called a codon, corresponds to a specific amino acid. Here's how the mRNA sequence is translated into amino acids using the genetic code:
UUU | CGA | GGU | AGC | CGA | UCC (mRNA)
Phenylalanine-Arginine-Glycine-Serine-Arginine-Serine (we must look at a codon table to interpret what amino acids are corresponding)
Answer:
Therefore, the mRNA strand produced from the given DNA sequence is UUU-CGA-GGU-AGC-CGA-UCC, and the resulting amino acid chain during protein synthesis is Phenylalanine-Arginine-Glycine-Serine-Arginine-Serine.
The law of conservation of energy states that energy can neither be created nor destroyed - only converted from one form of energy to another. This means that a system always has the same amount of energy, unless it's added from the outside.
Answers
Answer:
The First Law of Thermodynamics (Conservation) states that energy is always conserved, it cannot be created or destroyed. In essence, energy can be converted from one form into another
all of the following can possibly be produced during carbohydrate catabolism by fermentation except
Answers
The anaerobic breakdown of carbohydrates produces alcohol and carbon dioxide.
Carbohydrate is a biomolecule consisting of carbon, hydrogen and oxygen atoms, usually with a hydrogen–oxygen atom ratio of 2:1 and thus with the empirical formula C.
Microorganisms employ the fermentation of carbohydrates to produce energy. During glycolysis, the majority of bacteria convert glucose to pyruvate; however, certain species utilize alternative routes. A single carbohydrate-containing basal medium makes up a fermentation medium.
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