The nuclear lamina is an array of intermediate filaments that line the inner surface of the nuclear membrane. Disassembly of the lamina by chemical treatment would most likely result in which of the following consequences?.
Answers
The nuclear lamina is an array of intermediate filaments that line the inner surface of the nuclear membrane. Disassembly of the lamina by chemical treatment would most likely result in the collapse of the nucleus.
The nuclear lamina is an array of intermediate filaments that line the inner surface of the nuclear membrane. They serve as a structural framework for the nucleus, providing structural support, maintaining nuclear shape, organizing chromosomes, and regulating gene expression. The disassembly of the nuclear lamina by chemical treatment would most likely result in the collapse of the nucleus and the loss of its structural integrity.
If the nuclear lamina is disassembled, the nucleus will no longer have the structural support it needs to maintain its shape. This can lead to the collapse of the nucleus, and the loss of its structural integrity. This can have serious consequences for the cell, including the loss of genetic information, cell death, or other deleterious effects.
To know more about filaments visit:
https://brainly.com/question/32288639
#SPJ11
Related Questions
Which is a point mutation and not a frameshift mutation?
mutagen
insertion
deletion
silent
Answers
Answer:
The correct answer is D. Silent
I can assure this is the correct answer because I took either the test or review, I don't remember but yeah I know its correct also, because of the other person so be sure to say thanks to them before me!
Hope I helped! <3
A silent mutation is a point mutation and not a frameshift mutation. Therefore, the correct statement is option D.
What are point mutations?Mutagens are agents causing mutations in DNA sequence. Point mutations are due to a change in a single nucleotide base in a DNA sequence and frameshift mutations are due to changes that are the result of the insertion or deletion of nucleotide bases, thereby, shifting the reading frame of the sequence and the way is changed in which it is translated into a protein.
A silent mutation is a point mutation that does not change the amino acid sequence of a protein, as the mutated codon still codes for the same amino acid, thereby, not affecting the function of the protein.
Insertion and deletion mutations are frameshift mutations as they alter the reading frame of the sequence which results in a completely different amino acid sequence.
Therefore, the silent mutation is a point mutation.
Learn more about silent mutation here:
https://brainly.com/question/29435171
#SPJ5
I WILL MARK YOU BRAINLIEST IF YOU ANSWER THIS QUESTION. THANKS!
Human skin cells are replaced every 20 days, while human brain cells last 30 to 50
years. Why would brain cells need to last for so long? Why might this be a problem if
we managed to extend human life beyond 100 years?
Answers
In this question, there is a misinterpretation of the term "cell lifetime."
The body's structural building blocks are called cells. One of the body's methods for improving performance over time is to extend cell longevity.
Blood and skin cells are examples of "deliberately" disposable cells. This is because the best method for a cell's function is cell turnover. Skin cells are harmed when they are exposed to the abrasive outside environment. A wonderful method for combating the entropy of environmental harm is to slough them off and replace them with fresh ones. Red blood cells are transient "by design" since they lack a nucleus.
The brain's neurons are tuned for a fundamentally different purpose: memory. The brain's objective is to improve throughout time by building up knowledge and memories. These abilities and memories are "stored" as subtle structural adjustments to the way the brain's neuronal connections are organized. In order to maintain that structure as long as possible, the brain must. Since cells are the only thing that exist, the structure of neurons takes the form of their peculiar cell forms, which resemble the complicated tree branches that wind through the brain. If a neuron dies, it also leaves behind its structure and memories. Therefore, neurons should never die in the brain according to ideal design. This has resulted in several safeguards for this structure, including the blood brain barrier that guards against poisoning and the hard shell of the skull. '
Long-term brain health would be an issue if humans could live longer than 100 years. We would need to make investments in preventing this catastrophic mental failure as well as create therapies to keep the brain "fresh" because the brain did not adapt to endure that long (for example, dementia).
ultimately, excess ________ build up in the body is prevented by the exhalation of carbon dioxide.
Answers
Answer:
Hydrogen ions.
Explanation:
Ultimately, excess hydrogen ions build up in the body is prevented by the exhalation of carbon dioxide.
Hope this helps!
Why are certain traits adaptations in one environment, but not in another?
A. Some environments cause more mutation than others.
B. Different environments have different abiotic conditions.
C. All environments have the same amount of competition.
D. Organisms can learn new adaptations.
Answers
Answer:
B. Different environments have different abiotic conditions.Explanation:
Different circumstances cause different outcomes, animals adapt to certain conditions and their surroundings.
Letter C isn't incorrect but that is not what the question is asking C.Organisms can learn new adaptations.
but other than those two the rest are incorrect.
What must scientists assume when using scientific laws to make
predictions?
Answers
Scientists must assume that scientific laws are accurate, applicable, and based on reliable data for making predictions.
When using scientific laws to make predictions, scientists must assume certain foundational principles. Firstly, they assume that the scientific laws are accurate representations of natural phenomena and that they apply universally under the given conditions. Scientists also assume that the conditions and variables influencing the system remain constant, allowing for reliable predictions. Furthermore, they assume that the laws are based on sufficient and representative data, and that there are no unaccounted factors or biases that could significantly affect the predictions. Scientists also assume that the laws will continue to hold true in the future, allowing for the extrapolation of predictions beyond observed data. However, it is important for scientists to continuously evaluate and refine their assumptions as new evidence and knowledge emerge, promoting the progress and refinement of scientific understanding.For more such questions on Scientific laws:
https://brainly.com/question/20279776
#SPJ8
Imagine humpback whales were to go extinct. How might this loss impact the ocean ecosystem?
Answers
The extinction of humpback whales could have a significant impact on the ocean ecosystem.
As apex predators, humpback whales play an important role in maintaining the balance of the food chain. They feed on krill and small fish, regulating their population and preventing overgrazing of phytoplankton. This, in turn, helps to mitigate climate change, as phytoplankton are essential for carbon sequestration.
Humpback whale carcasses also provide food and nutrients for other marine organisms, creating an important feeding ground for scavengers. Additionally, the songs of male humpback whales serve as a form of communication and social cohesion for the species, and their loss could have broader implications for the health of the ocean ecosystem.
To know more about marine organisms, visit:
https://brainly.com/question/12224407
#SPJ1
Prehensile tails are? present in catarrhine primates. common in platyrrhines. made strictly of muscle. present in most primates.
Answers
Platyrrhines are the primates that belonging to the parvorder Platyrrhini. They are characterized by having prehensile tail a broad, and flat nose and with the sideways-facing nostrils. They have the prehensile tails, which are the long, grasping tails.
Despite its usefulness, the prehensile tail is also found only in the two groups of the primates: Cebus – the capuchin monkeys– and the atelines, a group that is includes the howler (Alouatta spp.) and the spider (Ateles spp.) the monkeys.
What primates have the prehensile tails?
The only primate the genera (Figure 1) that possess prehensile tails are the spider monkeys (Ateles), woolly spider and the monkeys (Brachyteles), howler monkeys (Alouatta), the woolly monkeys (Lagorix), and the capuchin monkeys (Cebus)
To know more about primates visit:
https://brainly.com/question/13047572
#SPJ4
explain the concept of race from the perspective of genetics and evolutionary biology and sociology.
Answers
Answer:
A young scientist definition defines races as distinct evolutionary lineages within a species. An evolutionary lineage is a population of organisms characterized by a continuous line of descent such that the individuals in the population at any given time are connected by ancestor/descendent relationships.
Explanation:
Let’s start first with race, which refers to a category of people who share certain inherited physical characteristics, such as skin color, facial features, and stature. A key question about race is whether it is more of a biological category or a social category. Most people think of race in biological terms, and for more than 300 years, or ever since white Europeans began colonizing populations of color elsewhere in the world, race has indeed served as the “premier source of human identity” (Smedley, 1998, p. 690)
In a grassland community, the zebra eats the grass, the lions eat the zebra and the vultures feed on the carcasses of dead zebra and lions. In this example, the lions are:
Answers
In the grassland community described, the lions occupy a specific trophic level as they consume the zebras.
Trophic levels refer to the position that an organism occupies in a food chain. They represent the transfer of energy and nutrients from one organism to another. In this particular example, the trophic levels can be described as follows:
1. The grass: At the primary level, the grass is the producer, converting sunlight into energy through photosynthesis. It is the primary source of energy for the community.
2. The zebra: At the herbivore level, the zebras consume the grass as their primary food source. They are known as primary consumers.
3. The lions: At the carnivore level, the lions consume the zebras, making them secondary consumers. They obtain energy by feeding on the primary consumers.
4. The vultures: At the scavenger level, the vultures feed on the carcasses of dead zebras and lions. They are considered tertiary consumers, as they obtain energy by consuming the remains of the secondary consumers.
So, in this example, the lions are the secondary consumers in the grassland community. They occupy a higher trophic level compared to the zebras and vultures. Their diet consists of consuming zebras, which are herbivores.
To know more about grassland community visit:-
https://brainly.com/question/29836244
#SPJ11
when does the mountain banshee became prey
Answers
The mountain banshee becomes prey when facing natural predators such as large birds of prey or larger carnivorous mammals.
Mountain banshees, though they are skilled predators, can still become prey themselves when encountering larger carnivorous animals or birds of prey. These predators may include eagles, hawks, or even bigger mammals such as wolves or mountain lions.
While banshees are agile and able to navigate their mountainous habitats with ease, they cannot always escape the hunting prowess of their natural enemies.
As part of the ecosystem's food chain, this dynamic maintains a balance between predator and prey populations, contributing to the overall health and stability of the environment in which they coexist.
For more such questions on carnivorous, click on:
https://brainly.com/question/3371305
#SPJ11
SOMEONE PLS HURRY HELP
Which of the following is NOT a system important for an individual's survival?
a. nervous system b. Skeletal system c. Reproductive system d. Circulatory system
Answers
Detailed Explanation:
Reproduction is not considered a life process because it is not necessary to maintain life. Hence, the reproductive system is not important for an individual’s survival but is important for the continuation of that species, may it be human or any other organism.
i live in the united states, and during my first trip to argentina i saw many constellations that i'd never seen before.
Choose the correct explanation why the statement makes sense (or is clearly true) or does
not make sense (or is clearly false).
a. This statement makes sense, because the constellations visible in the sky depend
on latitude. Since Argentina is in the Southern Hemisphere, the constellations
visible there include many that are not visible from the United States.
b. This statement doesn's make sense, because the constellations visible in the sky
depend on longitude. Since Argentina is at the the same longitude, as the US are,
the constellations visible there are mostly visible from the United States
c. This statement doesn's make sense, because the constellations visible in the sky
depend on latitude. Since Argentina is in the Northern Hemisphere, the
constellations visible there are mostly visible from the United States.
d. This statement makes sense, because the constellations visible in the sky depend
on longitude. Since Argentina is to the East from the US, the constellations visible
there include many that are not visible from the United States.
Answers
The correct explanation for why the statement makes sense is option A: "This statement makes sense because the constellations visible in the sky depend on latitude."
This assertion makes experience due to the fact the constellations seen within the sky do rely on the range. Since Argentina is inside the southern hemisphere, many constellations seen there are not seen from the united states, which is inside the northern hemisphere.
Because of the earth's tilt on its axis, the night sky inside the southern hemisphere appears different from the night sky inside the northern hemisphere. The constellations which might be visible within the southern hemisphere are one-of-a-kind from the constellations visible within the northern hemisphere.
For instance, the Southern move, an outstanding constellation inside the Southern Hemisphere, can't be seen from most of America. Moreover, elements consisting of mild pollution and atmospheric conditions also can have an effect on the visibility of constellations.
Because Argentina is much less developed and has fewer towns with mild pollutants than America, the night sky can be clearer and greater seen. As a result, a person journeying from America to Argentina might also see many constellations they have in no way seen earlier than due to these various factors.
Learn more about constellations at
brainly.com/question/8772698
#SPJ4
Cell phones are used by millions of people around the world. Create a list of ways you think cell phones impact society and the environment.
Answers
Answer:
:they make people not be able to communicate face to face
:it helps us connect to people far away
:there are some weird people on the intro net these days
:some things make people suicidal
:its easier to hide when you bully other people
Explanation:
What changes occur to the ratio of surface area to volume as a cell
grows?
Answers
Answer:
As a cell grows, its surface area-to-volume ratio decreases
7TH GRADE SCIENCE
(I'm using my older sis account)
What are some of the connections between human body systems? Give some examples of how they work together.
Can you do a paragraph (5 sentences) please? thank you!
Answers
Answer:
For example, the respiratory and circulatory systems work together to provide the body with oxygen and to rid the body of carbon dioxide. The lungs provide a place where oxygen can reach the blood and carbon dioxide can be removed from it. Each of your body systems relies on the others to work well. Your respiratory system relies on your circulatory system to deliver the oxygen it gathers, while the muscles of your heart cannot function without the oxygen they receive from your lungs. ... Your circulatory system delivers oxygen-rich blood to your bones.
Explanation:
list the planets from smallest to largest
Answers
Answer:
Mercury, Mars, Venus, Earth, Neptune, Uranus, Saturn, and Jupiter
Explanation:
Answer:
Mercury, Mars, Venus, Earth, Neptune, Uranus, Saturn, and Jupiter.
Explanation:
hope this helps!!!:)
Wildfires open a new seedbed that can be used for new plant growth. please select the best answer from the choices provided t f
Answers
Wildfires open a new seedbed that can be used for new plant growth is a correct statement.
Wildfires are an unavoidable element of many ecosystems. They are nature's technique of removing dead debris from forest floors. This permits critical nutrients to return to the soil, allowing plants and animals to start fresh. Fires are also vital in the reproduction of some plants. Certain plant species can reproduce by breaking their seeds as a result of wildfires. Wildfires create a new seedbed for the creation of new plants. To sustain healthy forest ecosystems, all wildfires must be avoided.
We can learn more about wildfires here:
https://brainly.com/question/15568736#
#SPJ4
Which of the following BEST describes the relationship between concentration and enzyme activity?
A. As enzyme concentration decreases, enzyme activity increases.
B. When substrate concentration decreases, enzyme activity decreases.
C. As substrate concentration increases, substrate activity increases.
D. When substrate concentration increases, enzyme activity decreases.
Answers
The statement that BEST describes the relationship between concentration and enzyme activity is when substrate concentration decreases, enzyme activity decreases (Option B).
Enzymes are proteins that speed up chemical reactions by lowering the activation energy of that reaction.Some factors that alter enzymatic activity include temperature, pH, and substrate concentration. An enzyme works in optimum condition as long as there is more substrate available which can be broken down by the specific enzyme.However, the enzymatic activity increases as the substrate concentration until a limiting value is reached.In conclusion, the statement that BEST describes the relationship between concentration and enzyme activity is when substrate concentration decreases, enzyme activity decreases (Option B is correct).
Learn more in:
https://brainly.com/question/4229661?referrer=searchResults
Which of the following statements characterized meiosis 1?
Answers
The statements that characterize meiosis I are:
B) The chromosome number remains the same from n to n.
C) Homologous chromosomes line up at the cell equator.
E) The chromosome number is reduced from 2n to n.
F) Each chromosome consists of two sister chromatids.
H) Crossing over can occur during synapsis.
What is the meiosis stage about?Meiosis I is the first of two cell division events that occur during meiosis, a type of cell division that produces gametes (sex cells). Meiosis I is characterized by several key events, such as:
Homologous chromosomes line up at the cell equator: During meiosis I, homologous chromosomes (pairs of chromosomes that are similar in shape and size and carry genes for the same traits) line up and pair with one another at the cell equator. This process, called synapsis, allows for the exchange of genetic material between the chromosomes through a process called crossing over.
Learn more about meiosis from
https://brainly.com/question/8253366
#SPJ1
See full question below
Which of the following statements characterize meiosis I? Select all that apply.
Multiple select question.
A)Four nuclei start to form around the chromosomes.
B)The chromosome number remains the same from n to n.
C)Homologous chromosomes line up at the cell equator.
D)Sister chromatids are pulled apart at the centromeres.
E)The chromosome number is reduced from 2n to n.
F)Each chromosome consists of two sister chromatids.
G)Sister chromatids line up at the cell equator.
H)Crossing over can occur during synapsis.
A system releases 7.9kj of heat while 6.5kj work is done on it. Calculate
Answers
A system releases 7.9kj of heat while 6.5kj work is done on it. Calculate the total change in internal energy during these operations in kJ.
Answer:14.4kJ
Explanation:
The first law of thermodynamics which states that the total change in internal energy (ΔU) of a system is the sum of the total heat (Q) released by the system to its surroundings and the total work done (W) on the system by its surrounding, can be expressed mathematically as follows:
ΔU = Q + W -------------------(i)
From the question;
Q = 7.9kJ
W = 6.5kJ
Substitute these values into equation(i) as follows;
ΔU = 7.9kJ + 6.5kJ
ΔU = 14.4kJ
Therefore, the change in internal energy is 14.4kJ
1. Which of the following is not a main step of water cycle?
a) Condensation
c) Evaporation
b) Dilation
d) Precipitation
Answers
which of the following produces more energy for the next trophic level?
A. humans
B. grasshoppers
C. snake
D. spiders
Answers
An amoeba divides into two amoebas every hour. The number N of amoebas after t hours can be represented by t = log2 N. How many hours will it take for a single amoeba to divide into 2048 amoebas?
Answers
The number N of amoebas after t hours can be represented by the formula, t = log2 N. Given, an amoeba divides into two amoebas every hour.
Therefore, a single amoeba will divide into two amoebas in the first hour. So, the number of amoebas after the first hour will be
2.The formula t = log2 N can be written in exponential form as N = 2tWe need to find how many hours will it take for a single amoeba to divide into 2048 amoebas. Therefore, the equation will be written as 2048 = 2t.Now, we will convert this equation in logarithmic form as t = log2 2048.t = log2 \(2^11t\) = 11Therefore, it will take 11 hours for a single amoeba to divide into 2048 amoebas.
Learn more about amoeba divides
https://brainly.com/question/11902742
#SPJ11
When lions pick off the slowest members of a herd they are hunting why is it beneficial to the group as a whole?
A. The herd puts the least desirable members on the outside for the lions to eat.
B. It keeps the lions busy long enough for the rest to get away.
C. It keeps the herd stronger through natural selection.
D. It does not benefit the herd.
Answers
Answer:
C
Explanation:
The one that got caught was the one that was most likely least essential to the herds' survival. It was either sick, young, elderly or injured.
Describe the characteristics of chytrids and their effect in the amphibian population.
Answers
Chytridiomycota,a phylum of fungi, is characterized by possessing zoopores or motile cells with a single, posterior, whiplash framework or flagellum. They produce gametes adn diploid zoopores that move with the aid of a single flagellum s
formula of surface area of cube
Answers
Answer:
A=6a^2
Explanation:
Answer:
2h( lb+bh+lh)
Explanation:
it's the answer wher h means height l means length and b means breadth
can anyone tell me which structures are major or accessory structures of the digestive system ?
Answers
Answer:
hlo this is your answer
Explanation:
hlo this is your answer
in general, a muscle that crosses on the anterior side of a joint produces ________.
Answers
Answer: Flexion
Explanation:A muscle that crosses on the anterior side of a joint produces flexion. A muscle that crosses on the posterior side of a joint produces extension.
Answer: Flexion
Explanation:
if t takes P-wave five minutes to travel from the epicenter of an earthquake to seismic station, approximately how long will it take for a S-wave to travel the same distance?
Answers
An S-wave would therefore need to travel the same distance from the epicenter to the seismic station in about 8.33 minutes.
S-waves move at a speed that is typically between 60% and 70% that of P-waves. For this computation, a cautious estimate of 60% is used.
We can calculate the time it would take for an S-wave to traverse the same distance if P-waves take five minutes to reach the seismic station by dividing the P-wave time by 0.6:
Time for S-wave equals Time for P-wave / 0.6, or 5 minutes divided by 0.6 results in 8.33 minutes.
To know more about S-waves:
https://brainly.com/question/19091422
#SPJ1
chromosomes form during what part of the cell cycle?
Answers
Answer:
Prophase
Explanation:
During the prophase, chromatin condense to form chromosomes that are visible.