How is the lumen related to the nuclear envelope?

Answers

Answer 1

The lumen is related to the nuclear envelope through vesicular transport.

The lumen is not directly related to the nuclear envelope. The lumen refers to the interior space or cavity within a tubular structure or organ, while the nuclear envelope is a double-membrane structure that surrounds the nucleus of a cell.

However, the lumen of certain organelles, such as the endoplasmic reticulum and the Golgi apparatus, are connected to the nuclear envelope through the process of vesicular transport.

During this process, transport vesicles bud off from the endoplasmic reticulum or the Golgi apparatus and fuse with the nuclear envelope to exchange materials between the lumen and the nucleus.

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Related Questions


32. Consider the following reaction at equilibrium: \mathrm{CO}_{2}+\mathrm{H}_{2} \mathrm{O} \rightleftharpoons \mathrm{H}_{2} \mathrm{CO} 3 . What would be the effect of adding additional \mathrm{H}_{2} \mathrm{O} ?
a. It would drive the equilibrium dynamics to the right.
b. It would drive the equilibrium dynamics to the left.
c. Nothing would happen because the reactants and products are in equilibrium.
d. Reactions in both the directions will slow down.

Answers

Adding additional \(H_2O\) to the reaction would shift the equilibrium to the right.

Factors affecting chemical equilibriums

For a chemical reaction in equilibrium, adding more of the species affect the reaction depending on whether the reaction is reversible or otherwise.

For reversible reactions, that is, reactions with the capacity to proceed on both reactants and products' sides, adding more reactants will shift the equilibrium to the right - the product's side. Similarly, adding more of the product will shift the equilibrium towards the reactants' side.

For reactions that are not reversible but in equilibrium, adding more of the reactants will shift the equilibrium to the right - towards the product. Adding more products will have no effect since the reaction cannot proceed backward.

Thus, in this case, one of the products is being added to the reaction. This means that the equilibrium will shift to the right towards the product.

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Someone who is good at basic biology please help
-use your own words-

Someone who is good at basic biology please help-use your own words-

Answers

Answer:

Natural selection can only fail if there is variation among members of the same species. ... Variation in a population effect from change and the rejoining of alleles during meiosis and fertilization.

Explanation:

Hope this helps!

the citric acid cycle occurs in the a.inner membrane of mitochondrion. b.nucleus. c.smooth endoplasmic reticulum. d.rough endoplasmic reticulum. e.mitochondrial matrix. f.golgi apparatus.

Answers

The citric acid cycle occurs in the mitochondrial matrix, which is the innermost compartment of the mitochondrion. It does not occur in the nucleus, smooth endoplasmic reticulum, rough endoplasmic reticulum, or Golgi apparatus.

The citric acid cycle, also known as the Krebs cycle, is a series of chemical reactions that occur in the mitochondrial matrix. The mitochondrial matrix is the innermost compartment of the mitochondrion, which is an organelle found in most eukaryotic cells responsible for energy production. The citric acid cycle plays a crucial role in the process of aerobic respiration, where it breaks down acetyl-CoA into carbon dioxide, generating energy in the form of ATP. The cycle is specific to the mitochondrial matrix and does not occur in other cellular compartments, such as the nucleus, smooth endoplasmic reticulum, rough endoplasmic reticulum, or Golgi apparatus, as these organelles do not possess the necessary enzymes and substrates required for the cycle to occur.

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What tools/techniques do scientists use to collect the data that is used to predict a hurricane's path?

Answers

Answer:

Satellites, reconnaissance aircraft, Ships, buoys, radar, and other land-based platforms are important tools used in hurricane tracking and prediction. While a tropical cyclone is over the open ocean, remote measurements of the storm's intensity and track are made primarily via satellites.

What makes protein and nucleic acid different from carbohydrates and lipids?

Answers

Because protein is slip

they contain nitrogen

what do tissues do in the digestive system?

Answers

Answer:

breaks down and absorbs nutrients from the food and liquids.

Explanation:

ywww

Which of the following is NOT a treatment method for allergies?

Which of the following is NOT a treatment method for allergies?

Answers

i have no idea but i think it might be the second option

In an experiment, cells were isolated from an aquatic plant and suspended in pond water, a sucrose sugar solution, or distilled water. All of the cells were then viewed under a microscope. Compared with the cell in the pond water, the cell in the sugar solution appeared shriveled, and the cell in the distilled water appeared inflated. The results of the experiment are represented in figure 1.

Answers

The cell suspended in the sugar solution (hypertonic) experienced a net loss of water, but the cell suspended in the distilled water (hypotonic) saw a net gain.

A cell will lose volume if it is submerged in a hypertonic solution (sugar) because there will be a net flow of water out of the cell. A cell will increase volume if it is submerged in a hypotonic solution (distilled water) because there will be a net flow of water entering the cell. When a cell is submerged in an isotonic solution, there is no net water movement into or out of the cell, and the volume of the cell stays constant.

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give an example of how bacteria can be beneficial. explain

Answers

Answer:

They help digest food, make vitamins, and play other important roles. Humans also use bacteria in many other ways, including: Creating products, such as ethanol and enzymes. Making drugs, such as antibiotics and vaccines.

Having straight ears (E) is dominant over droopy ears (e). A parent with straight ears is crossed with a parent with droopy ears. The Punnett square will show the possible genotypes of the offspring. What is the genotype of each square?

A: EE, Ee, ee

B: EE, Ee, ee

C: EE, Ee, ee

D: EE, Ee, ee

Having straight ears (E) is dominant over droopy ears (e). A parent with straight ears is crossed with

Answers

Answer:

Ee Ee ee ee 50/50 on having either droopy ears or straight

Explanation:

The genotype of square A is Ee, square B is ee, square C is Ee, and square D is ee.

What are genotypes?

Genotypes are the genetic makeup or the complete set of genes that an individual organism possesses. They are responsible for determining an organism's physical and behavioral traits.

The genotype of an organism is encoded in its DNA, which consists of long sequences of nucleotides that code for specific proteins and other functional molecules. These nucleotide sequences are organized into genes, which are located on chromosomes in the nucleus of the cell.

Genotypes can be inherited from parents and passed down to offspring through sexual reproduction. However, mutations and genetic variations can also occur spontaneously, leading to changes in an individual's genotype.

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A cladogram shows the evolutionary relationship between humans chimpanzees and gorillas the cladogram currently shows humans and chimpanzees or an ancestor compared to a gorilla which piece of evidence will help week in this hypothesis

Answers

The true evidence that most likely to weaken hypothesis is DNA sequence analysis of hemoglobin alpha gene shows that humans and chimpanzees have more similar sequence to each other than

they do to gorilla's DNA sequence.

What is a cladogram?

Cladograms are diagrams which depict relationships between different groups of taxa called “clades”. By depicting these relationships, cladograms reconstruct evolutionary history (phylogeny) of the taxa. Cladograms can also be called “phylogenies” or “trees”.

Key aspects of a cladogram are root, clades, and nodes. root is initial ancestor that is common to all groups branching off from it. clades are the branches that indicate related groups and their common ancestors. Nodes are points that indicate the hypothetical ancestors

A cladogram is line diagram representation of history and relationship between animal and its ancestor.

so the correct option is C.

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When a cell or organism only has one rony of each chromosomes

Answers

Answer:

They deleted it idek why but HAPLOID

Explanation:

In which organelle does photosynthesis occur?

Choose 1 answer:

(A) the nucleus

(B) mitochondria

(C) chloroplasts

Answers

Answer:

C

Explanation:

Chloroplasts are responsible for photosynthesis which happens in the chlorophyll of the chloroplasts and the chlorophyll traps the light required for photosynthesis. The nucleus controls what enters the cell and controls the rate of reaction whilst the mitochondria are responsible for the aerobic respiration which releases the energy captured in photosynthesis.

Please help biology!

Please help biology!
Please help biology!

Answers

Answer:

Hello. I'm follicle cell, a cell that along with other 20 types of other cells, make up the hair follicle. The hair follicle is located in the dermis, under the epidermis, and has a deep rounded portion called the bulge: this is my home where, together with my mates, we can build a new hair.

More precisely, I am a stem cell, that is, an immature cell that can mature to become a mature epithelial cell.

When mature, I have a very distinct nucleus with 46 chromosomes and a clear cytoplasm with glycogen. Thanks to my genes, i can produce several proteins to sustain the hair such as keratins, that make the hair strong, and other proteins that connect me to other surrounding cells across the plasma membrane.

The absence of follicle hair causes alopecia, loss of hair from part of the head or body.

What is disruptive selection?

Answers

In nature, not all individuals in a biological population has the same reproductive success. Additionally, the reproductive succes of an individual may be related to a heritable trait. Disruptive (natural) selection is operating when indivuals with extreme values for an heritable trait have a greater reproductive succes that the ones with intermediate values for the same trait.

why don't birds get electrocuted when they land on an electric wire?

please help me out :-)

Answers

Answer:

Electricity flows by the movement of electrons through conductors. If a bird perches on a wire with two feet there is no motivation to go through the birds' body so electrons choose the path of least resistance and continue to flow along the wire.

Explanation:

Answer:

Because there not grounded

Explanation:

vascular plants have efficient systems from transporting water and other nutrients. The______ transports water and minerals while the ______ transports organic nutrients

Answers

The Xylem transports water and minerals while the Phloem transport organic nutrients

Hola everyone! Could someone please double-check my answer :p
*** = my answer

*-*-*-*-*-*-*-*-*-*-*-*

A genetic disease is found in a family that affects the immune system, lungs, heart, and kidneys. A DNA analysis of several affected and unaffected family members be What type of inheritance pattern is shown in this disease?

A. Polygenic trait
B. Codominance***
C. Pleiotropy
D. Incomplete dominance

Answers

Answer:

Explanation:

Hola

what is the meaning of DNA​

Answers

Answer:

Deoxyribonucleic acid

Explanation:

DNA is the material inside each cell of the body that carries genetic information

What stages of cellular respiration are considered aerobic

Answers

Answer: The three stages of aerobic cellular respiration are glycolysis (an anaerobic process), the Krebs cycle, and oxidative phosphorylation.

Explanation: Cellular respiration can occur both aerobically (using oxygen), or anaerobically (without oxygen).

During meiosis, independent assortment determines which chromosomes a gamete inherits, while ____________ determines, within a chromosome, which material will come from the maternal and paternal version.

Answers

Answer:

Crossing over or recombination

Explanation:

Crossing over or genetic recombination is a stage in the late prophase of meiosis I where homologs lie close to each other in pairs to exchange chromosomal material creating new combination of genes as each homologs is derived from either the father or the mother.

This exchange determines the material to be inherited by the offspring producing genetic variation which males the offspring typically different from the parents (genetic variation).

after osmosis occurs in beaker a, the cell would be __________ compared to its size at the start of the experiment.

Answers

After osmosis occurs in beaker A, the cell would be larger compared to its size at the start of the experiment.

Osmosis is the process in which solvent molecules move from an area of high concentration to an area of low concentration across a selectively permeable membrane. In this experiment, water moves into the cell, which has a higher solute concentration than the surrounding solution in beaker A. As a result, the cell swells and increases in size. If this process continues, the cell may burst due to the excess influx of water, leading to cell death. Therefore, it is important to maintain the balance of solutes and water inside and outside the cell.

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Please help...Will mark brainiest....It is due and I need help

Please help...Will mark brainiest....It is due and I need help

Answers

Answer:

Explanation:

For the 1st one with the Cheetah: It would be a long tail because it helps them balance when they turn. Sinch Cheetahs move extremely quickly they need a balance to ensure they don't topple over when they turn, this tail provides this balance.

For the 2nd one with the bear: Thick coats on a bare will help provide warmth whenever they go to hybernate. Thin fur would leave room for freezing and wouldn't be able to help them maintain the proper body temperature.

The 3rd one with the clownfish: A round tail provides a bigger boost when swimming since it is able to push more water. A forked tail would create a gap when they swim so they would have to expend more energy than with a round tail.

The 4th one with the Finch: Since grubs live underground a thinner beak would be able to dig them out and stab them faster. This allows them to reach farther and get more food.

Answer:

D AZ FCSDF SDF F

Explanation:

just seeing how this works don't mind me

What is an advantage of using models to represent the carbon cycle?(1 point) Responses show a complete and detailed account of every event in the cycle show a complete and detailed account of every event in the cycle predicts conditions that will exist during future events predicts conditions that will exist during future events can represent an entire system at once can represent an entire system at once can collect data on the amount of carbon in the atmosphere at a specific time can collect data on the amount of carbon in the atmosphere at a specific time

Answers

Models can also be used to collect and analyze data on the amount of carbon in the atmosphere at a specific time, which is important for monitoring changes in carbon levels over time.

What is Carbon Cycle?

The carbon cycle is the process by which carbon moves between living organisms, the atmosphere, the oceans, and the Earth's crust. Carbon is a vital element for life, and it is constantly being cycled through the environment. The carbon cycle involves several key processes, including photosynthesis, respiration, decomposition, and combustion. During photosynthesis, plants and other organisms absorb carbon dioxide from the atmosphere and use it to produce organic compounds, such as sugars and starches.

An advantage of using models to represent the carbon cycle is that they can represent an entire system at once. Models can be used to simplify complex processes and relationships in the carbon cycle, making it easier to study and understand. Additionally, models can be used to make predictions about future conditions based on current data and trends, which can be helpful for climate change research and mitigation efforts.

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A very thin slice is removed from a peanut and treated with Sudan III, another indicator that turns red in the presence of a lipid. Then the same slice is treated with Biurets reagent. When the peanut is examined under a microscope, little patches of red and blue-violet can be seen. What conclusions can be drawn from this examination? Why would you expect this result?

Answers

Answer:

Little patches

Explanation:

blue- violet

Little patches and blue- violet.

What is Little patches?

Sudan III is a bis(azo) chemical that has a 4-[(2 methylphenyl)diazenyl]phenyldiazenyl group replaced at position 1 of the 2-naphthol ring. a fat-soluble dye that can stain some protein-bound lipids in paraffin sections and is mostly used to show triglycerides in frozen sections.

It functions as a histology dye, a fluorochrome, and a carcinogen. It belongs to the class of azobenzenes, is a bis(azo) chemical, and is a naphthol. It is similar to a 2-naphthol in terms of function.

"It certainly does not mean, as many writers have assumed, that the lipid in question belongs to the carbohydrate-containing glycolipid (cerebroside) group.

Therefore, Little patches and blue- violet.

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a. ___________________ is the study of heredity.

b. In all living things, ________________ determine the traits and make each creature unique.

c. An organism that has a __________ gene pair will always have two genes for a particular trait.

d. __________________ is considered to be the discoverer of the basis of genetic theory.

e. Hair color and eye color are known as characteristics or inherited ______________________.

f. Dominant genes are _________________ , whereas recessive genes do not always show.

g. _______________ is the transfer of traits from parents to their offspring.

h. A _______________ organism is one that is the offspring of two closely related organisms that are not from the same species.

i. ___________________________- determines what proteins a cell will produce.

j. The _________________________ is a chart used to predict the traits for the offspring from a cross.

Answers

a - genetics
b - genes
c -
d -Gregor Mendel
e - inherited
f -
g- inheritance
h -
I - DNA
J - punnet square
I’ve already done this class I forgot the other answers but I’ll try to figure them out for you and respond again! Hope this helps for now

Answer:

a.Genetics

b. Genes

c. homozygous

d. Gregor Mendel

e. traits

f. genotypes

g. Inheritance

h. hybrid

i. DNA

j. Inheritance

All answers are 100% correct

Bent little finger (B) is dominant over straight little finger (b). A student has bent little finger, but their Mom has straight little finger. Without even knowing the Dad's phenotype, what is the student's genotype? O a. BB Ob. Bb O c. bb O d. There is no way to be sure, because we don't know Dad's genotype. Value: 2 Widow's peak is dominant over lacking a widow's peak. Sophia has a widow's peak, just like both her parents. Are we sure she is PP? O a. Yes, she is PP because both parents have the dominant trait. O b. No, there is still a chance she could be Pp. That might occur if either parent was Pp. O c. No, she could be PP, Pp, or pp. All are possible depending on her parent's genotypes. Value: 2 Dark brown eyes (B) are dominant over light colored eyes (b). A student has blue eyes (light), but she is adopted. Do we know her genotype? O a. BB O b. bb O c. There is no way to be sure without knowing the genotype of at least one of her parents. O d. Bb

Answers

The student's genotype is either Bb or BB.

Based on the given information, we know that a bent little finger (B) is dominant over a straight little finger (b). The student has a bent little finger, indicating that they possess the dominant trait. However, since we do not know the genotype of the student's father, we cannot determine the exact genotype of the student.

If the student's mother has a straight little finger (bb), then the student must have inherited the bent little finger allele from their father. In this case, the student's genotype would be Bb, with one copy of the dominant allele and one copy of the recessive allele.

On the other hand, if the student's mother has a bent little finger (Bb or BB), the student could have inherited either a dominant allele from the mother (BB) or one copy of the dominant allele from the mother and one copy of the recessive allele from the father (Bb). Therefore, the student's genotype could be either BB or Bb.

In conclusion, without knowing the genotype of the student's father, we cannot determine the exact genotype of the student. However, based on the given information, the student's genotype is either Bb or BB.

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patterned breathing techniques used in labor provide which benefits? select all that apply.

Answers

Options a, b, d are applied. Patterned breathing strategies used during labor can have a number of advantages, such as relaxation, oxygenation, pain management.

Better relaxation: The woman can relax and feel less stress and anxiety by using deep breathing and other patterned breathing techniques.

Increased oxygenation: The woman can boost her oxygen intake by concentrating on breathing deeply and rhythmically, which can assist her handle the physical demands of labor.

Better pain management: Distracting the woman from the discomfort of contractions by concentrating on her breathing might give her a sense of control over her body.

Fetal oxygenation can be improved, which can help the fetus stay healthy during labor. The mom can do this by boosting her own oxygen intake.

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Complete question

Patterned breathing techniques used in labor provide which benefits? select all that apply.

a. relaxation

b. oxygenation

c. care

d. pain management.

help with biology please!

help with biology please!

Answers

Yes each type of DNA contrast the same 4 bases!!!!!

Investigate what the concept responsible citizens means and state two factors that may contribute to the youth being hesitant to conduct themselves as responsible citizens

Answers

The concept of responsible citizens refers to individuals who take an active role in their community and society, contributing positively to the welfare of others and the environment. Responsible citizens exhibit qualities such as integrity, respect for diversity, and a sense of social responsibility. They participate in civic activities, follow the laws, and promote social justice.

However, some factors may contribute to the hesitation of youth in conducting themselves as responsible citizens. One factor is the lack of positive role models and guidance from adults. Youth who do not have positive influences in their lives may not understand the importance of being responsible citizens. Another factor is the lack of trust in the government and political system. Youth may feel disillusioned by the political system and believe that their actions will not make a difference in society.

In conclusion, responsible citizens are individuals who take an active role in promoting the welfare of others and society. However, some factors such as the lack of positive role models and trust in the government may contribute to the hesitation of youth in conducting themselves as responsible citizens. It is important to address these factors and provide positive influences and guidance to youth to encourage them to become responsible citizens.

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