Which organelle is labeled I? cell membrane ribosome endoplasmic reticulum nucleus

Answers

Answer 1

Answer:

"nucleus" seems to be the correct answer.

Explanation:

The nucleus seems to be a significant case wrapped through a double membrane that distinguishes these from the cytoplasm, the nuclear shell. The membranes combine throughout a few areas, allowing the interchange of substances between some of the cytoplasm as well as the nucleus, steps given designated "nuclear pores".The nuclear shell is consistent with either the concentrated endoplasmic reticulum, thereby bonding with either the nucleus.
Answer 2

Answer:

Nucleus

Explanation:


Related Questions

explain where the pericardium is found and what it does for the heart

Answers

Answer:

the pericardium is found in your heat Problems can occur when the pericardium becomes enflamed or fills with fluid.

What are the phagocytes cell in the skin

Answers

Answer: The mononuclear phagocyte system (MPS), which includes macrophages and dendritic cells, has also been implicated in the regulation of skin salt homeostasis and blood pressure [35]

Explanation:

Answer:

The phagocytes cell in the skin are the monocytes, macrophages, neutrophils, tissue dendritic cells and mast cells. One litre of human blood contains about six billion phagocytes.

When pathogens are detected, the immune system produces millions of white blood cells, which fight the infection. Blood vessels near the wound expand, and white blood cells move from the vessels to enter the infected tissues. Many of these white blood cells are phagocytes which engulf and destroy bacteria.

Every interaction with the outside world is because of A) epithelial tissue B) connective tissue C) nervous tissue D) muscular tissue

Answers

Answer:

A cutaneous membrane is a multi-layered membrane composed of epithelial and connective tissues. The apical surface of this membrane exposed to the external environment and is covered with dead, keratinized cells that help protect the body from desiccation and pathogens....

I need help, please!!

Answers

Answer:

Aerobic respiration ; Respiration using oxygen

Mitochondria  ; Where respiration takes place

Anaerobic respiration ; Respiration in the absence of oxygen

Lactic acid ; Substance that build up in the muscles during anaerobic respiration .

Fermentation ; Process that converts sugar into alcohol

Explanation:

I hope it helps :)

Answer:

aerobic respiration - resperation using oxygen

mitochondria - where resperation takes place

anaerobic respiration - resperation in the absence of oxygen

lactic acid - substance that builds up in muscles during anerobic resperation

fermentation - process that converts sugar into alcohol

as Ethanol fermentation is also known as alcoholic fermentation

( hope I helped you ) :)

who is the father of Genetic​

Answers

Answer:

hey there

Explanation: answer is gregor mendal  is the father of genetic in 19th century.

Answer:

Gregor Johann Mendel

Give four reasons why th toe operating system pivotal in teaching and learning

Answers

The correct answer to this open question is the following.

The four reasons why the operating system is pivotal in teaching and learning are the following.

1) Operating systems are the foundation of the computer. Without the operation system in place, you could not run any program.

2) The operating system presents an interface that allows users to perform many tasks at the same time, with all degrees of complexity.

3) The operating system permits the installation of all kinds of software so the user could work on practically anything.

4) Applications for sound, video, graphics, mathematics, and many other activities can be run due to the operating system.

In these times of digital education, the operation system of a computer allows users to do all the needed activities to fulfill the goals of teaching and learning. From video classes, team meetings, corporate dates, continuing training activities, and many more, the capacity of a good operating system is what makes it easy for you to accomplish your goals.

Which statement correctly compares the "Analysis" and "Conclusion" sections of a lab report?

Answers

Answer:

Hello. You did not enter the answer options, but I can help you by stating that the correct comparison between "analyze" and "conclusion" is one that shows that "Analysis" is able to compare specific research data, while "conclusion" is able to suggest additional research to arrive at more concrete data.

Explanation:

In a scientific research, the "Analysis" section is where the specific research data and the interactions and information that can be extracted from them are analyzed, in a succinct and explanatory way. This section is very important to present how these data were acquired and how they work within the theme developed in the research.

The section called "conclusion", in turn, presents the section where the research will conclude the established theme, showing an affirmation discovered through the research or suggesting additional research that will help to establish an efficient conclusion.

Is minerals renewable or non renewable?

Answers

Answer:

Minerals are non renewable if it is fossil......

Answer: Minerals are nonrenewable resources.

Explanation:

A nonrenewable resource is a resource that can not be replenished during a human lifespan. Minerals, metal ores, and fossil fuels are examples of nonrenewable resources.

on terms of genetic similarity, which list is ordered from most similar to least similar b. cousin, uncle, mother, non twin sibling, identical twin

Answers

Answer:

Identical Twin, non twin sibling, Mother, Cousin, Then Uncle

Explanation:

Outside the lining of the alveolus is blood, which is at a gauge pressure of 5 mmHg, while air is contained inside the alveolus. What is the absolute pressure inside the alveolus

Answers

Answer:

765 mmHg

Explanation:

The gauge pressure = 5 mmHg

To get the absolute pressure we use the relationship

[tex]P_{ab}= P_{g}+ P_{atm}[/tex]

where [tex]P_{ab}[/tex] is the absolute pressure = ?

[tex]P_{g}[/tex] is the gauge pressure = 5 mmHg

[tex]P_{atm}[/tex] = atmospheric pressure = 760 mmHg

substituting, we have

[tex]P_{ab}[/tex] = 5 mmHg + 760 mmHg = 765 mmHg

What do enzymes do? Please answer real quick

Answers

Answer:

Catalyze biochemical reactions.

Explanation:

Hello,

In this case, it is widely known that enzymes are able to take substrates or reactants to their active sites, in order to catalyze a raft of biochemical reactions by which products that are not usually formed under typical conditions are formed, and then allow them to dissociate from the surface of the enzyme. Such combination formed by an enzyme and its substrates is called the enzyme–substrate complex which is further taken to the isolated product.

Regards.

The four principal types of stress are __________.

A. frustration, conflict, pressure, and anxiety
B. frustration, conflict, pressure, and change
C. anger, anxiety, depression, and annoyance
D. frustration, conflict, depression, and annoyance

Answers

Answer:

A

Explanation:

frustration, conflict, pressure, and anxiety

The four principal types of stress are frustration, conflict, pressure, and anxiety.

What is Stress?

This is characterized by a feeling of emotional or physical tension in individuals.

There are four types of stress which are listed above thereby making option A the most appropriate choice.

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5.Do the differentiated teeth of the dolphin have specialized functions like our teeth and most other mammals

Answers

Answer and Explanation:

Dolphins are homodont. This means that all their teeth are all equal. They do not differentiate between each other as the human´s teeth or other mammal´s teeth.

Dolphins have different feeding strategies according to the species. They might be suction feeders, or they might catch their prey using the jow and mandible occlusion strenth.

Dolphins that catch their prey by using their jow and mandible do not chew, so they use teeth mostly to catch their prey and manipulate them before swallowing them. This is why they do not need differentiated teeth. Because they just use them to catch and manipulate.

Those dolphin species that are suction feeders do not need teeth to catch their prey because they just suck them. Most of these species only have a few teeth, mostly in their jows. These teeth are used for fighting with other individuals. Inter- and intra-specific fights among animals of the same gender and age are very common. It is believed that as these species do not need teeth for catching their prey, they evolved loosing most of them but those needed during confrontations. This is the case of Grampus griseus, Risso´s Dolphin, that only have 5 to 7 teeth in their jows.

during what stage of swallowing is there a risk of food entering respiratory pathways

Answers

Gulping... I think this is the stage you are looking for

Hope this helped ♥︎

A mutation that hides the effect of another mutation at a site that is distinct from the site of the original mutation, but with in the same gene. This mutation is best described as a

Answers

Answer:

The correct answer is intragenic suppressor mutation.

Explanation:

A suppressor mutation partially or completely converses the effects of a different mutation. A suppressor mutation is of two kinds, that is, an intragenic suppressor and an intergenic suppressor. An intragenic suppressor converses the influence of a mutation at a distinct site in a similar gene.  

On the other hand, an intergenic suppressor converses the influence of a mutation at a distinct locus of the gene. It is the intragenic suppressor mutation, which takes place in a similar gene where the occurrence of the first mutation had taken place. Therefore, the mutation, which hides the influence of another mutation at a location, which is different from the location of the original mutation, but taking place in a similar gene can be illustrated as the intragenic suppressor mutation.  

(06.03 LC) Which of the following is an example of how HIV can be transmitted from one person to another? Contact between infected blood and a mucus membrane Contact between infected saliva and an open wound Contact between infected blood and skin Contact between infected saliva and lining of mouth

Answers

Answer:

i believe the answer is contact between a infected blood and a mucus membrane

Explanation:

Which of the following is not a function of the digestive system? Select one: A. mechanical processing B. absorption C. secretion D. ingestion E. filtration

Answers

Answer: option E.

Filtration.

Explanation:

Digestive system consist of the gastrointestinal tracts, organs that help to breakdown large complex consumed food into to small pieces which can easily be absorbed by the body.

Filtration is not a function of digestive system because it play a major role in circulatory system which help in movement of solutes out of the capillary into interstitial fluid by separating the bigger particles from the smaller particles, filtering out nitrogenous waste and regulating salt concentration .

Biologists designed an experiment to test the effects of compost on the development of root crops

Answers

Answer:

The crop has good yield because Compost has a good effect on root crops.

Explanation:

Compost has a great effect on the development of root crops such as onion, potato, garlic and ginger etc. Compost provide nutrients to these crops as well as soften the soil due to which they grow rapidly. It also improved ventilation, soil structure and soil texture which is very necessary for the crop. Due to ventilation, oxygen gas is available to the roots which increases growth and yield of these crops. Compost also retain water and nutrients so they are available to the roots. So those plots where compost is applied observed increase in yield as compared to other plots.

Choose a strategy to clone genes known only by a mutant phenotype in organisms with highly efficient transformation procedures and relatively small genomes.
a. cloning by complementation
b. direct sequencing of the mutant genome
c. PCR of the gene and transformation of an organism
d. cloning using a specific cloning vector

Answers

Answer:

Option a (cloning by complementation) `would be the correct choice.

Explanation:

In species containing extremely efficient transforming techniques as well as comparatively small genomes, cloning by rearrangement testing is performed to clone gene products mostly by a mutated gene as the rearrangement test was being used to detect mutations.This strategy for cloning through mechanism begins with identifying another yeast mutant that affects something like a plasmid representing a cloned genetic material.

The other options in question aren't relevant to the particular circumstance. Therefore the answer to the above seems to be the right one.

A graduate student studying biology at the University of Nebraska has identified a new species of spider found only in Eastern Nebraska around Omaha. The graduate student determines that the spider has six homologous pairs of chromosomes. How many chromosomes would a cell in that spider have during metaphase of mitosis?

Answers

Answer:

12 chromosomes

Explanation:

Mitosis is a type of cell division that involves the formation of two genetically identical daughter cells. The two daughter cells are genetically identical in the sense that they contain the same number of chromosomes as the parent cell. Mitosis involves four stages namely: Prophase, Metaphase, Anaphase and Telophase.

In the metaphase stage as stated in this question, homologous chromosomes align at the equator of the cell called cell plate, before each chromatids are pulled apart by microtubules at the Anaphase stage.

According to the question, the spider being worked on has 6 pairs of chromosomes, which will align at the cell's equator during metaphase stage of mitosis. Since the replicated chromosomes (chromatids) are yet to separate to opposite poles of the cell, the cell will still contain 12 chromosomes at the metaphase stage.

N.B: Each chromosome contains 2 chromatids or replicated chromosome, which will be separated at the Anaphase stage. Each chromatid will be an individual chromosome after cytokinesis.

Why are G proteins found in cell membrane of the cell ?

Answers

Answer:

It is found in cell membrane because to bind extracellular substances and transmit signal.

When arterial blood pressure falls the body compensates to raise the blood pressure. Explain this process.

Answers

Answer:

the body distributes more blood to the body surface where it can ... Changes in diameter affect peripheral resistance, pressure, and flow, which ... the aorta and carotid arteries: The aortic sinuses are found in the walls of the ... When blood pressure drops too low, the rate of baroreceptor firing decreases.

Explanation:

In the DNA isolation process, cells are mixed with sodium chloride (i.e. NaCl) because the sodium (Na ) neutralizes the negative charge of DNA.

a. True
b. False

Answers

Answer:

this is true it neutralise easily

It is true that in the DNA isolation process, cells are mixed with sodium chloride (i.e. NaCl) because the sodium (Na ) neutralizes the negative charge of DNA.

What is DNA isolation?

DNA extraction is a method of separating DNA from cell membranes, proteins, and other cellular components using physical and/or chemical methods from a sample. In 1869, Friedrich Miescher isolated DNA for the first time.

The ability to extract DNA is critical for studying the genetic causes of disease and developing diagnostics and drugs.

It is also required for forensic science, genome sequencing, detecting bacteria and viruses in the environment, and determining paternity.

Because sodium (Na+) neutralizes the negative charge of DNA, cells are mixed with sodium chloride (i.e. NaCl) during the DNA isolation process. It makes homogenization easier.

Thus, the given statement is true.

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The lactic acid generated in the body of a cricketer is first converted to glycogen in 1) Muscles 2) Liver 3) Blood 4) Both 2 and 3

Answers

Answer:

2) liver

Explanation:

the bloods transports the lactic acid to the liver to be converted into glycogen

Jeremiah is on a school trip to a forest preserve. According to the urban heat island effect, as Jeremiah leaves the city and heads toward the nature preserve, the temperature should (first drop-down) . That's because large cities (second drop-down) more heat than rural areas. When Jeremiah arrives at the preserve, he immediately notices the effects of solar radiation. The blacktop in the parking lot feels (third drop-down) the green grass where his class will eat their picnic lunch. →First drop -down options 1. Remain the same 2. decrease 3. increase Second drop-down options 1. absorb 2. transmit 3. reflect third drop-down options 1. hotter than 2. cooler than 3. same temperature as←

Answers

Answer:

2. decrease

3. reflect

1. hotter than

Explanation:

As Jeremiah will move towards nature preserve the temperature will decrease because heat once absorbed as energy is reflected by a temperature rise and large cities reflect more heat than rural areas. It is so because large cities have buildings and other structures that absorb fore heat and reflect more heat.

The blacktop will be hotter than the green grass because blacktop reflects more heat in comparison to green grass.

Hence, the correct answer is:

2. decrease

3. reflect

1. hotter than

Answer:

decrease

reflect

hotter than

Explanation:

How does the movement of particles of matter change when temperature increases?
Decreases
Increases
Increases then decreases
Does not change

Answers

Answer:

Increases

Explanation:

The movement of particles of the matter increases with the increase in temperature.

The particles gain kinetic energy with increasing temperature and move in faster rate.

For example: When we blow a balloon with our mouth, we increases the temperature inside the balloon, the particles in the balloon gain kinetic energy that leads to the faster movement of gas particles in the balloon and they collide with each other and surface of balloon, after a peak the balloon get burst because of high kinetic energy and high collision.

Hence, the correct answer is "increases".

Nervous tissue is the predominant tissue type of which three organs Nervous tissue is predominate tissue type of which three organs

Answers

Answer:

Brain, spinal cord, and nerves.

Explanation:

While they work together, each is an individual system.

Nervous tissue is found in the brain, spinal cord, and nerves. So, nervous tissues predominantly found in these three types of tissues.

What is Nervous Tissue?

Nervous tissues are the group of cells in the nervous system which controls the body movement , sends and carries signal to and from different parts of the body . It has a role in controlling bodiliy function such as Digestion.

It is group into two categories : Neurons and Neuroglia.

Neurons transmit electrical impulses while neuroglia do not; it has many other function including supporting and protecting neurons.

Nervous tissue makes the nervous system which is subdivided in several two categories .

1. The central nervous system (CNS)

2. The peripheral nervous system (PNS)

1.  CNS is composed of the brain and spinal cord where it coordinates information from all areas of the body and sends nerve impulses that control all bodily movements.

2. PNS consists of peripheral nerves which are branched all throughout the body and it connects the CNS to the rest of the body . It is directly responsible for controlling movements of specific parts of the body.

Thus, nervous tissue is found in the brain, spinal cord, and nerves. So, nervous tissues predominantly found in these three types of tissues.

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You perform a test cross of the dihybrid AaBb and score the phenotypes of 1000 progeny. Assuming independent assortment, how many of the progeny do you expect to display the dominant phenotype for both the A and B genes?

Answers

Answer:

4

Explanation:

The number of progeny expected to display the dominant phenotype for both the A and B genes should be  4.

A test cross usually involves crossing an individual whose zygosity is in doubt with an individual that is recessive for both alleles so as to ascertain the zygosity of the former. Hence, for a test cross involving AaBb:

             AaBb     x     aabb

Progeny:

4 AaBb

4 Aabb

4 aaBb

4 aabb

Therefore, the number of progeny expected to display the dominant phenotype for both the A and B genes is 4.

The LMand LNalleles at the MN blood-group locus exhibit codominance. Give the expected genotypes and phenotypes and their ratios in progeny resulting from the following crosses.a.LMLM x LMLNb.LNLN x LNLNc.LMLN x LMLNd.LMLN x LNLNe.LMLM x LNLN

Answers

Answer:

Please find the expected genotypes and phenotypes of the progenies of each cross below.

Explanation:

In the MN blood-group locus of the gene, alleles LM and LN exhibit codominance i.e one allele is not dominant or recessive to the other, hence, they are both expressed when they occur in a heterozygous state (MN).

Considering the following crosses (find the punnet square attached);

a)LMLM x LMLN - The progeny are LMLM and LMLN in the genotypic ratio 1:1. Phenotypic ratio is Blood type M (1) : blood type MN (1)

b) LNLN x LNLN - The progeny are all LNLN offsprings with a phenotypic and genotypic ratio 4:0. All offsprings will have a blood type N (4)

c) LMLN x LMLN - The progenies are LMLM, LMLN and LNLN in the genotypic ratio 1:2:1 respectively. The phenotypic ratio is Blood type M (1) : L

Blood type MN (2) : Blood type N (1)

d) LMLN x LNLN - The progeny are LMLN and LNLN with genotypic ratio 1:1 and phenotypic ratio blood type MN (1) : blood type N (1)

e) LMLM x LNLN - The progeny are all LMLN offsprings with penotypic ratio blood type MN (4)

why are g protein important for drug discovery?

Answers

Answer:

G protein - coupled  receptors(GPCRs)n belong to a large family of signaling proteins that  mediate cellular  reponses to most hormones ,metabolites,cytokines and neuotransmitters and therefore serve as fritful targets for DRUGS DISCOVERYS.

Explanation: histamine(HRH1),serotonin dopamine,opiod and adrenergic receptors.

I HOPE IT'S HELPS YOU TO UNDERSTAND

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