if a cell is isotonic in an 80% sucrose solution, how will the movement of water across the cell membrane affect the size of a cell if it is moved from an 80% sucrose solution to a 40% sucrose solution

Answers

Answer 1
The cell will increase in size.
Answer 2

The answer is; The cell will increase in size


When the cell is moved is the 40% sucrose solution, the solution will be hypotonic to the cytoplasm of the cell. Therefore, through osmosis, water will move from the sucrose solution to the inside of the cell. In osmosis, water moves from a hypotonic solution to a hypertonic solution through a semi-permeable membrane.  If the cell is an animal cell, it may lyse because it has no cell wall to give it structural support.



Related Questions

Most caves and caverns originate by solution of limestone.
a. true
b. false

Answers

False. They originate with a chemical reaction, not with limestone.

The experiments conducted by this scientist demonstrated the principle of biogenesis.
a. darwin
c. pasteur
b. mendel
d. redi

Answers

answer is c. pasteur 
c - Pasteur is the one 

Rescuers have just restored circulation to a 72 year old patient who was in cardiac arrest the patient's vital signs are b/p

Answers

Final answer:

This question pertains to the monitoring of a cardiac arrest patient's vital signs post-resuscitation. Blood pressure, among other vital signs, is critical in determining a patient's health status, especially in older individuals. It is worth noting that it is a standard practice in the medical field to closely monitor these crucial indicators after an episode of cardiac arrest.

Explanation:

The subject in this scenario appears to be about a patient who was in cardiac arrest and their vital signs after resuscitation. The term 'b/p' refers to blood pressure, a critical vital sign in assessing a patient's health. After restoring circulation in a cardiac arrest patient, it is essential to monitor their vital signs. This includes blood pressure to ensure that oxygen and nutrients are being properly transported throughout the body. High or low blood pressure can be indicative of an underlying concern that needs immediate treatment.

Vital signs like blood pressure, pulse, respiration rate, and temperature are crucial indicators of body function and health. It's a medical practice to keep monitoring these vital signs and restoring them to optimal levels if something like a cardiac arrest happens. In this case, the patient being 72 years old is also significant as age can play a big role in recovery ability and patient treatment requirements.

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Final answer:

CPR is performed after cardiac arrest to restore circulation and minimize damage to essential organs like the brain. Post-arrest care can also include inducing controlled hypothermia to slow the patient's metabolic rate and reduce the heart's workload. Monitoring vital signs post-restoration is essential.

Explanation:

The situation described relates to a patient who has experienced a cardiac arrest and has had circulation restored thanks to interventions likely including cardiopulmonary resuscitation (CPR). CPR is an emergency technique that involves manually compressing the blood within the heart in order to push it into the pulmonary and systemic circuits. This is crucial, especially for the brain since irreversible damage and death of neurons can occur within a few minutes of loss of blood flow. Post-arrest care can also involve cooling the patient's body to around 91 degrees Fahrenheit, a method known as controlled hypothermia, to reduce the heart's workload by slowing the patient's metabolic rate. Monitoring and maintaining vital signs such as blood pressure post-restoration is a critical aspect of medical care for such patients.

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What are the roles of chlorophyll and chloroplasts in photosynthesis?

Answers

there go hope that helped you

What effect does weather have on the process of photosynthesis?

Answers

I think the answer is: Although the light dependent reactions of photosynthesis are not affected by changes in temperature, the light independent reactions of photosynthesis are dependent on temperature. They are reactions catalyzed by enzymes. As the enzymes approach their optimum temperatures the overall rate increases.

What is the most likely depositional environment for an evaporite unit?

Answers

it would have to be a strong yet warm environment.

Which is the number of characteristics that define a living thing?

a. 6
b. 8
c. 4
d. 3

Answers

the answer should be  C. 4
how do you know the answer if all you doing is restating the question

What is the definition of background information in Bio????

Answers

Basic info on something like the general description.something you can get from encyclopedias or dictionaries

Which of the following are not properties of enzymes?

Answers

Final answer:

Enzymes are biological catalysts that accelerate chemical reactions by lowering the activation energy. They have various properties, including lowering activation energy, providing an optimal environment, and participating in reactions. However, enzymes cannot break down the β-1,4 glycosidic linkage in cellulose, as it requires a specialized enzyme not present in humans.

Explanation:

Enzymes are biological catalysts that speed up chemical reactions in the human body. They are not affected or used up in the reaction, making them reusable. Enzymes have specific properties that allow them to function effectively, including lowering the activation energy of a reaction, providing an optimal environment for the reaction, and participating directly in the chemical reaction. One property that is not exhibited by enzymes is the ability to break down the β-1,4 glycosidic linkage in cellulose, which requires a special enzyme that is absent in humans.

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Which one of the following is NOT a branch of anthropology?
archeology
osteology
pathology
taphonomy

Answers

the correct answer would be taphonomy because it is a branch of paleontology, not anthropology. Hope this helps!

taphonomy is the answer

Which organs are responsible for destroying old red blood cells?

Answers

Spleen is also known as the graveyard of RBC, if it helps u 

1.Stem cells in bone marrow make all blood cells. RBC lives about 120 days. 
RBC are destroyed in Spleen. This process takes place as: 
- RBCs are ruptured. 
- Heme and globin portions separated. 
- Globin > amino acids. 
- Iron transferred in transferrin into the blood > into bone marrow for reuse. 
- Heme > Biliverdin > Bilirubin > liver >small intestine. 



2.Reticuloendothelial cells participate in the destruction of senescent RBC's. The spleen is a well suited site of RBC destruction given that cells must course through 2-3 micron apertures in the walls of splenic sinusoids, which is an ultimate test of cell pliability. Rigid cells are entrapped and phagocytosed. Intra-erythrocyte inclusions are removed during splenic circulation. 
Destruction of RBCs happens within reticuloendothelial cells – NOT in the circulation. Globin and heme get recycled, porphyrin is degraded to bilirubin which is conjugated by the liver and excreted in the gut. Rate limiting step is conjugation. Indirect (unconjugated) bilirubin is result if this doesn’t happen. 
Normally ~10% RBCs lyse while in circulation Þ Hgb gets released into circulation and rapidly disassociates into alpha and beta dimers which are bound by haptoglobin. The Hgb/haptoglobin complex is transported to the liver. If haptoglobin is depleted, free Hgb circulates and is filtered by the kidney. Free Hgb is either reabsorbed by renal tubular cells or excreted as free Hgb in the urine. 


3. Another site reported that 
RBC destroyed in liver and spleen, by macrophages. 2 million destroyed per second. 
Hb is released and iron is recovered and returned to bone marrow.

What problem does the chromosome number of various organisms present to evolutionists?

Answers

Chromosome number varies from one organism to another. or example, humans have 46 chromosomes while bacteria have only one chromosome.

The problem associated with the chromosome number of various organisms faced by evolutionists is that with the decrease in the size of an organism, the number of chromosomes also decrease. Thus, it becomes difficult to find and study the chromosomes.

During the process of biological ______________, the concentration of pollutants, such as DDT or mercury, is multiplied as it passes up a food chain.

Answers

During the process of biological magnification , the concentration of pollutants, such as DDT or mercury, is multiplied as it passes up a food chain.

Match the fiber with the origin(s) and destination(s) of the impulses it carries: visceral afferent fibers carry information from __________.

Answers

Visceral afferent fiber carry information from THE ORGANS IN THE VENTRAL BODY CAVITY TO THE CENTRAL NERVOUS SYSTEM.
The fiber carry sensory impulses from the visceral organs and the blood vessels to the central nervous system. The visceral afferent fiber is a part of the autonomic nervous system.

The part of the cytoskeleton made from the protein actin is called a

Answers

The primary types of fibers comprising the cytoskeleton are microfilaments, microtubules, and intermediate filaments.

A nurse on a hematology/oncology floor is caring for a client with aplastic anemia. which would not be included in the client's discharge instructions?

Answers

Use a disposable razor when shaving.

 In aplastic anemia there are usually less erythrocytes, leukocytes, and platelets. The nurse should encourage behaviors than will lead to less risk of bleeding, so instead of using a disposable razor to shave, the patient should use, for example, electric razors.



Suppose that a dominant allele (P) codes for a polka-dot tail and a recessive allele (p) codes for a solid colored tail. If two heterozygous individuals with polka-dot tails mate, what's the probability of the phenotype and genotype combinations of the offspring?

A. 25 percent chance of a polka-dot tail and 75 percent chance of a solid colored tail (25 percent PP; 50 percent Pp; 25 percent pp)
B. 50 percent chance of a polka-dot tail and 50 percent chance of a solid colored tail (50 percent PP; 50 percent pp)
C. 75 percent chance of a polka-dot tail and 25 percent chance of a solid colored tail (25 percent PP; 50 percent Pp; 25 percent pp)
D. 75 percent chance of a polka-dot tail and 25 percent chance of a solid colored tail (75 percent Pp; 25 percent pp)

Answers

The correct answer is C. As Pp (heterozygous allele) crosses with Pp( another heterozygous allele), the resultant genotypes would be PP, Pp, Pp, pp. This confirms that 25 percent of the population would be homozygous polka-dotted, another 25 would be homozygous solid colored, and rest of the 50 percent would be heterozygous polka. Thus, a total of 75 percent would be polka-dotted.

A synaptic cleft, and synaptic gap, can be found between a neuron and ______.

Answers

answer is: another neuron, a gland cell, a muscle cell.

A synaptic cleft, also called synaptic gap, is a space between the cell membrane of an axon terminal and  the target cell.  That target cell which will receive the chemical messengers (neurotransmitters) can be another neuron, a gland cell or a muscle cell.



A synaptic cleft, or synaptic gap, is the small space between a neuron and its postsynaptic cell.

A synaptic cleft, also known as the synaptic gap, is the small space found between a neuron and its postsynaptic cell.This can be another neuron, usually referred to as the postsynaptic neuron, or other types of cells like muscle cells or gland cells.The synaptic cleft is essential for the process of neurotransmission, where neurotransmitters released from the presynaptic neuron diffuse across this gap to bind to receptors on the postsynaptic cell, thus allowing the signal to be transmitted.

1. A segment of DNA encoding a protein or an RNA molecule is a

Answers

A gene is the segment of DNA that encodes a protein or RNA molecule, if it is present in the standard groups of three, then it is a codon. 

In the ongoing processes of photosynthesis, respiration, and decomposition in the ocean, all components are recycled except _________.

Answers

In the ongoing processes of photosynthesis, respiration, and decomposition in the ocean, all components are recycled except  energy. 
Nearly all photosynthesis in the ocean takes place in the sunlit upper layers, because the deeper , the less light is available.
The depth where the photosynthesis reaches its peak activity varies with the location and the season.

How many unique ip addresses could be made in a fixed length ip address system using 6 bits?

Answers

Sixty-four (64) unique IP addresses could be made in a fixed length IP address system using 6 bits. 
The IP address is a number assigned to any item that is connected to the internet. IP stands for Internet Protocol, it's function to work over a dynamic network. It is composed of two parts, it uniquely identifies a specific interface on the network.
Final answer:

In an IP address system using 6 bits, the total number of unique IP addresses that can be created is 64. This is calculated by raising 2 (representing the two possible states of a bit, 0 or 1) to the power of the number of bits, which in this case is 6.

Explanation:

An IP address is a unique address that identifies a device on the internet or a local network. When dealing with IP addresses in the context as mentioned in the question, the topic revolves around binary representations and bit combinations. In an IP address system using 6 bits, the number of unique IP addresses that could be made can be calculated as 2 power of the number of bits, which in this case is 6.

This means we have 2^6 = 64 unique IP addresses.

So, in a fixed length IP address system using 6 bits, we can create a total of 64 unique addresses. This is because each bit has two possibilities (either 0 or 1), and with 6 bits, it results in a total of 2^6 or 64 possible combinations.

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Which tree harvesting method promotes the growth of younger trees by selectively cutting mature trees over a period of 10 years?

Answers

 the answer is shelter wood cutting

Answer:

Shelterwood cutting.

Explanation:

Shelterwood cutting is a technique employed in silvicultural processes that promotes the growth of younger trees by selectively cutting mature trees over a 10-year period.

In this technique is made the progression of cuttings that promotes the growth of seedlings resulting in the harvesting of mature trees and promotion of the growth of younger trees. Generally this technique is used in old forests where mature plants are causing shade of young plants. Generally young plants are long-lived and upon receiving light, after thinning the old plants, begin to develop properly and promises a longer duration of the forest.

Generally saturated fats increase serum ldl cholesterol, with the possible exceptions of

Answers

The answer to this question would be: coconut oil and dairy.
Coconut oil has been advertised to have a improve cholesterol but actually, it has a combination of bad cholesterol or LDL and good cholesterol or HDL. As far as I know, the research is not concluded yet to tell whether it really has more benefit for your cholesterol level, but another option is less likely to be true. 

Why is dna called the "double helix"? select one:
a. its structure was discovered by two workers, james watson and francis crick, a doubling of research effort at a building informally called the "helix" at cambridge university.
b. dna is double stranded, with the two strands both in the form of a helix entwined around each other like strands of a rope.
c. when dna interacts with rna, the two molecules form a twisted double strand.
d. it seemed like a catchy name even though it has nothing to do with the structure of dna?

Answers

B. DNA is double stranded, with the two strands both in the form of a helix entwined around each other like the strands of a rope. 

Describe the 5 types of species interactions

Answers

Predation,  competition, parasitism, mutualism, and commensalism

You can recognize the process of pinocytosis when _____. you can recognize the process of pinocytosis when _____. the cell is engulfing extracellular fluid a receptor protein is involved the cell is engulfing a large partic

Answers

You can recognize the process of pinocytosis when the cell is engulfing extracellular fluid. Pinocytosis is simply the ingestion of liquid into a cell by the budding of small vesicles from the cell membrane. Pinocytosis is also commonly known as cell expelling.

Answer is “The cell is engulfing extracellular fluid”

Further explanation

Pinocytosis

Pinocytosis is a cell procedure by which liquids and supplements are ingested by cells. Additionally, it is called cell drinking, pinocytosis is a sort of endocytosis that includes the internal collapsing of the cell layer (plasma film) and the arrangement of layer bound, liquid-filled vesicles. These vesicles transport extracellular liquid and broke up particles (salts, sugars, and so forth.) crosswise over cells or store them in the cytoplasm.

When pinocytosis occurs?

It is started in the presence of wanted molecules in the extracellular liquid close to the cell surface. These particles may incorporate proteins, sugar atoms, and particles. Coming up next is a summed-up portrayal of the arrangement of occasions that happens during pinocytosis.

Step by step process of pinocytosis

The plasma membrane invaginates forming a cavity that loads up with extracellular liquid and disintegrated particles.  The plasma membrane again folds on itself until the parts of the collapsed layer meet. This holds the liquid inside the vesicle. In certain cells, long channels likewise structure reaching out from the film profound into the cytoplasm. The fusion of the folded membrane cutoff the vesicle from the membrane, allowing the vesicle to drift towards the center of the cell. This vesicle fuse with lysosomes and discharge chemicals that tear vesicles and empty their substance into the cytoplasm to be used by the cell.

Answer details

Subject: Biology

Level: High school

Key words

Pinocytosis When pinocytosis occurs? Step by step process of pinocytosis

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The body naturally experiences an increased metabolic rate the body naturally experiences an increased metabolic rate when we adopt a reduced-calorie diet. during pregnancy. as we age. during sleep.

Answers

The answer to this question would be: during pregnancy

Body metabolic rate will be increased during pregnancy because the mother needs to supply the child needs too. In reduced-calorie diet, the body will adapt to the hunger by lowering the basal metabolic rate. The basal metabolic rate also will be decreased as we age and when we are sleeping.

Metabolic rate increases during pregnancy. Some women experience the first signs of pregnancy as early as two weeks after conception, while others begin to experience symptoms closer to four or five weeks later. Some women won't experience any signs of pregnancy until their period is significantly later or even later.

Within the first 15 weeks of pregnancy, metabolic rates significantly rise, peaking in the third trimester during the greatest growth phase. This expanded metabolic rate might put pregnant ladies at a higher gamble of hypoglycemia, or low glucose.

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According to the text, we might expect to find this egg in which solution just before taking the photograph? A) egg in blue distilled water B) egg in 10% salt water C) egg in vinegar D) egg in syrup

Answers

Answer:

C) egg in syrup

Explanation:

Answer:

C) egg in syrup

Explanation:

The syrup is hypertonic, causing the egg to lose mass. Based on the passage and the data, this is a hyperonic solution to the contents of the egg.

What hormone causes breast development and production of milk?

Answers

I believe that would be estrogen.
progesterone is that hormone

sickle cell anemia is a disease that is caused by a change in the gene sequence by what

Answers

Sickle–cell anemia is caused by a genetic abnormality in the gene for hemogoblin, which results in the production of sickle hemogoblin.
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