Red blood cells have a salt content of 0.9%. When a microbiologist places red blood cells in pure
water, osmosis occurs. What net movement of a substance occurs in this instance of osmosis?
a. water molecules move out of the cells
b. water molecules move into the cells.
c. salt ions move out of the cells.
d. salt ions move into the cells.

Answers

Answer 1

Answer:c salt ions move out of the cell

Explanation:

Salt is less than 1

Answer 2

Red blood cells have a salt content of 0.9%. When a microbiologist places red blood cells in pure water, osmosis occurs. This results into water molecules . Thus, the correct option is C.

What is Osmosis?

Osmosis is the spontaneous net movement or diffusion of solvent molecules through a selectively-permeable membrane from a region of high water potential or lower solute concentration to a region of low water potential or higher solute concentration, in the direction which tends to equalize the solute concentrations on the two sides of the membrane.

It is of two types, on the basis of movement of solvent particles, when the solvent moves inside the cell it is called endosmosis which results into turgid cells and the movement of solvent molecules outside the cell which is called exosmosis that results into flaccid cells.

Therefore, the correct option is C.

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Related Questions

What are 5 things you can do to increase biodiversity

Answers

The 5 things you can do to increase biodiversity is Plant native species, Reduce human impact, Create wildlife habitats, Connect habitats and Involve the community.

1. Plant native species: Planting native species of plants and trees helps to increase biodiversity as they are adapted to the local climate and soil conditions. Native species also provide food and shelter for native wildlife.

2. Reduce human impact: Reducing human impact on the environment reduces the destruction of wildlife habitats and helps biodiversity thrive. This includes reducing the use of pesticides, reducing water pollution, and limiting the destruction of forests and wetlands.

3. Create wildlife habitats: Creating wildlife habitats helps to provide food and shelter for native species. This can be done by leaving areas of land undisturbed, creating small ponds, or planting native plants and trees.

4. Connect habitats: Connecting habitats by planting hedgerows or allowing wildlife corridors helps to create a larger habitat area and allows species to move freely between areas.

5. Involve the community: Involving the community in conservation efforts helps to promote biodiversity and raise awareness of the importance of protecting local wildlife. This can be done by initiating community tree-planting projects or creating a wildlife-friendly garden in the local area.

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The Phoenix area of the Southwestern desert typically receives 8 inches of precipitation yearly, in two seasonal patterns. Even though it is an arid region, it has high biological diversity. Thin-leaf trees abound, such as palo verde and desert ironwoods wildlife includes insects, reptiles, many bird species, small rodents, and other mammals. Which factor in the Southwestern desert ecosystem is abiotic?

Answers

A rainstorm can be considered an element in the Southwestern desert ecosystem that is abiotic.

What is an abiotic factor?

An abiotic factor is any type of non-living condition that interacts with organisms (biotic factors) in an ecosystem.

Some examples of abiotic factors may include rainstorms (precipitations), temperature, light conditions, etc.

The range of abiotic factors is a fundamental issue for the survival of organisms that live in an ecosystem.

In conclusion, a rainstorm can be considered an element in the Southwestern desert ecosystem that is abiotic.

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The factor in the Southwestern desert ecosystem that is abiotic is precipitation.

What are abiotic factors?

Abiotic factors are the non-living components of an ecosystem influencing the living organisms' distribution in an area. Precipitation is an abiotic factor that provides water for plants and animals to survive and is a very important part of the ecosystem.

In the Southwestern desert ecosystem, the low precipitation levels resulted in an arid environment which results in the presence of a unique array of plant and animal species that have adapted to survive in these conditions.

Temperature is also another important abiotic factor in the Southwestern desert ecosystem. The high temperatures during the day and low temperature at night influence the behavior and survival of the animals and plants that live in this environment. Wind patterns, soil type, sunlight, etc. are other abiotic factors.

Therefore, the factor in the Southwestern desert ecosystem that is abiotic is precipitation.

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which one best describes herbivores

Answers

a herbivore eats plants not other animals

The hydrolysis of GTP to GDP carried out by tubulin molecules Group of answer choices provides the energy needed for tubulin to polymerize. occurs because the pool of free GDP has run out. tips the balance in favor of microtubule assembly. allows the behavior of microtubules called dynamic instability.

Answers

Answer:

allows the behavior of microtubules called dynamic instability.

Explanation:

GTP help to stabilize the tip of the microtubule, thereby allowing more monomers to be added.

The hydrolyses of GTP to GDP carried out in the tubulin molecules allows the behavior of microtubules called dynamic instability.GTP hydrolysis changes the conformation of the tubulin molecules and cause the dynamic behavior of microtubules because it allows the cell to rapidly reorganize the cytoskeleton when necessary in which individual microtubules alternate between cycles of growth and shrinkage.

the ________ functions as the main link between the nervous system and the endocrine system.

Answers

Answer:

The hypothalamus

Explanation:

The hypothalamus serves as the interface between the nervous system and the endocrine system, and it controls the secretions of the pituitary.

What is the anology between cells and a factory

Answers

Answer:

A cell can be thought of as a "factory," with different departments each performing specialized tasks. A cell's plasma membrane regulates what enters or leaves the cell. The CYTOPLASM includes everything between the cell membrane and the nucleus.

Explanation:

HOPE THIS IS GOOD

According to the article, why is a faulty hypothesis still an acceptable outcome to scientists

According to the article, why is a faulty hypothesis still an acceptable outcome to scientists

Answers

Answer:a

Explanation:

Cod has been a commercially important fish species since____.
a. the 13th century
b. the discovery of North America
c. the 1960's
d. the 1980's​

Answers

A the 13th century
Cod has been a commercially important fish species since The 13th Century

Answer:

a. the 13th century

Explanation:

just did it

The monomer for carbohydrates is

Answers

Answer:

monosaccharides

Explanation:

Monosaccharides are the monomers of carbohydrates and are often referred to as “the simple sugars”.

Answer:

monosaccharides

Explanation: Monosaccharides are the monomers of carbohydrates and are often referred to as “the simple sugars”.

Which Cell is Bigger an Onion cell or a Cheek cell? How do you know?

Answers

Answer:

An onion cell

Explanation:

Both are eukaryotic cell. An onion cell is a plant cell having cell wall but cheek cell is an animal cell lacking cell wall.

they are both cells but, Onion cell is a plant cell with a cell wall and a large vacuole. While the human cheek cell is an animal cell with a prominent nucleus. Onion cells are brick-like in shape while human cheek cells are rounded. Human cheek cells do not have a cell wall or a large vacuole.

What are the effects of food safety practices?.

Answers

For the purpose of preventing the spread of pathogens from food handlers to consumers, good personal hygiene and food handling techniques are crucial.

Food safety is still a major issue in both developed and developing countries for consumers, food businesses, and food control agencies. Food-borne diseases (FBDs) are linked to outbreaks, pose a threat to the safety of the world's public health, and are a global issue. A growing public health concern is food safety. Significant rates of morbidity and mortality are brought on by FBD. It is challenging to estimate the incidence and costs of food-borne illnesses globally. However, according to studies, 2.1 million people die annually as a result of foodborne illness without getting hygiene food.

The WHO claims that the lack of infrastructure, poor understanding, and unhygienic food handling practices contribute to the seriousness of FBDs in developing countries.

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the three basic regions of the cerebrum are the cerebral cortical gray matter, internal white matter, and the superior and inferior colliculi. the three basic regions of the cerebrum are the cerebral cortical gray matter, internal white matter, and the superior and inferior colliculi. true false

Answers

True. The cerebrum is the largest part of the brain and is divided into three basic regions: the cerebral cortical gray matter, internal white matter, and the superior and inferior colliculi.

The cerebral cortical gray matter is the outer layer of the cerebrum and is responsible for higher brain functions such as thinking, sensation, and movement. The internal white matter is located underneath the gray matter and contains the fibers that connect different areas of the brain. The superior and inferior colliculi are located in the midbrain and are involved in sensory processing, particularly vision and hearing.

It is important to note that while these are the three basic regions of the cerebrum, the brain is a complex and interconnected structure with many additional specialized regions and functions.

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Define polar molecule or polarity.This is not a test question, could you please simplify the response to as few sentences as possible?

Answers

Polarity is caused by electronegativity. Electronegativity is the ability of an atom to attract electrons and when in a molecule there is a region of low electronegativity and a region of high electronegativity we say that the molecule is polar.

PLEASE IN QUICK!!! Why do patients seem to get sicker when they are using chemotherapy and radiation therapy?

Answers

Radiation is really bad for the human body.


The places where
______ meet are called plate _____ and the interactions between these boundaries cause changes in the Earth's surface.
The plates ____ each other, pull apart from each other, or scrape against each other. There are 3 kinds of boundaries: divergent, ______ and transform boundaries.
surface. The three types of plate boundaries where these changes occur are
The theory of _____ proposed by Alfred Wegner, was supported by multiple pieces of evidence fmse evidences include _____
continental drift, matching rock formations, and glacial evidence.
The continents drifted apart over time due to the ______ of tectonic plates. When the plates shift, their interactions cause changes to the Earth's _______, divergent, and transform boundaries.

Choices -
collision
subduction
collide with
ridges
continents
push away
continental fit
fossil evidence
tectonic plates
continental drift
trenches
movement
Return
convergent
Submit
convergent
boundaries

Answers

The places where tectonic plates meet are called plate boundaries, and the interactions between these boundaries cause changes in the Earth's surface. The plates can collide with each other, pull apart from each other, or scrape against each other. There are 3 kinds of boundaries: divergent, convergent and transform boundaries. The three types of plate boundaries where these changes occur are divergent, convergent, and transform boundaries.

The theory of continental drift proposed by Alfred Wegener was supported by multiple pieces of evidence. These evidences include continental fit, matching rock formations, and fossil evidence. The continents drifted apart over time due to the movement of tectonic plates. When the plates shift, their interactions cause changes to the Earth's surface, such as the formation of mountains at convergent boundaries, the creation of new ocean crust at divergent boundaries, and the creation of earthquakes at transform boundaries.

Choose the best answer.
The ____ covers the outside of the cell and keeps the contents inside.

a. plasma membrane
b. cell wall
c. ribosome
d. cytoplasm

Answers

Answer: a. plasma membrame

Explanation:

it's not b becasue a cell wall is composed of many cells. c and d are compoments of a cell found within it. which leaves us with a. plasma membrame, the protective layer that seperated the cell with its outside environment.

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what cpt code is reported for a tempanoplasty with mastodiotomy and with ossicular chain resontruction

Answers

The CPT code reported for a tempanoplasty with mastodiotomy and with ossicular chain resontruction is: 69436

The CPT code reported for a tempanoplasty with mastoidectomy and ossicular chain reconstruction is 69436. This procedure includes removal of diseased mastoid air cells, drilling the underlying bone, and resection of the ossicular chain in order to treat hearing loss or chronic ear infection.

It typically involves using a microscope to open the eardrum, removing diseased tissue, and reconstructing the ossicular chain. This procedure is used to restore hearing and reduce the risk of complications such as chronic ear infections.

In order to properly code for the procedure, the healthcare provider should include the following information:
- Description of the procedure
- Length of the procedure
- Type of anesthesia used
- Level of complexity
- Type of instrumentation used.

CPT code 69436 is used to report tempanoplasty with mastoidectomy and ossicular chain reconstruction. This procedure is used to restore hearing and reduce the risk of complications such as chronic ear infections. It is important for healthcare providers to include all necessary information when coding for the procedure in order to ensure accurate reporting.

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how did matthew meselson and franklin stahl separate dna samples into density bands during their experiment?

Answers

Matthew Meselson and Franklin Stahl used a technique called density gradient centrifugation to separate DNA samples into density bands during their experiment.

They first grew E. coli bacteria in a medium containing a heavy isotope of nitrogen, N-15, so that all the bacterial DNA was labeled with this heavy isotope. The bacteria were then transferred to a medium containing a lighter isotope of nitrogen, N-14, and allowed to grow and divide for one generation.

At this point, Meselson and Stahl took a sample of the DNA and extracted it from the bacteria. They then subjected this DNA sample to density gradient centrifugation, where the DNA was spun in a centrifuge tube containing a gradient of a heavy salt solution such as cesium chloride. The tube was spun at high speeds, causing the DNA to separate into bands according to its density. The heavier DNA containing N-15 ended up at the bottom of the tube, while the lighter DNA containing N-14 ended up closer to the top. By analyzing the density of the DNA in each band, Meselson and Stahl were able to determine how the DNA replicated during bacterial cell division.

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2. How is the chromosome theory of inheritance related to Mendel's findings

Answers

The chromosome theory of inheritance is directly related to Mendel's findings in genetics. In Mendel's experiments with pea plants, he observed the inheritance of traits from one generation to the next. He postulated that traits were passed down in discrete units, which he called "factors" (now known as genes).

Later, scientists discovered that these genes were located on chromosomes, which are the structures that carry genetic information in cells. The chromosome theory of inheritance states that genes are located on chromosomes and are passed down from parents to offspring during reproduction. This theory is consistent with Mendel's findings and provides a mechanism for how traits are inherited from one generation to the next.

In summary, the chromosome theory of inheritance helps to explain the physical basis of Mendel's observations and provides a framework for understanding how genetic information is passed down from generation to generation.

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Which function is associated with phagocytes in the blood

Answers



The function associated with phagocytes in the blood is phagocytosis, which is the process of engulfing and destroying foreign particles, such as bacteria and viruses.

I need 5 abiotic factors and examples that go along with it

Answers

An abiotic factor is a non-living part of an ecosystem, including its physical and chemical aspects.

Examples of abiotic factors include:

Sunlight: It is the source of energy for plants and affects animal habits.

Temperature: It affects the life of every species, determining where they can exist, afects metabolic reactions and is determinant for the variation of plants and animals.

Atmosphere: It sustains life on earth protecting animals from UV radiation for example.

Humidity: it affects the internal balance of organisms.

Soil: It is a source of nutrients for plants, therefore its composition affects their functions

The depth of a body of water can also be considered an abiotic factor. It affetcs for example the type of species that can live there and it determines the preassure they would have to withstand.

PLEASE HELP!! Brainliest for right

PLEASE HELP!! Brainliest for right

Answers

Answers:

1. Gastrocnemius

2. External Obliques

3. Tibialis Anterior

4. Gastrocnemius

5. Gluteus, Gastrocnemius

6. Biceps, Triceps

7. Sternocleidomastoid

8. External Obliques, Rectus Abdominis

9. Deltoid, Pectoralis

10. Latissimus Dorsi

11. Rectus Femoris, Sartorius

12. Trapezius, Triceps

Explanation: Took human anatomy! These are the major muscles.

Choose a few different places on the human body and describe them using anatomic medical terminology. The thumb is located lateral to the 2nd, 3rd, 4th, and 5th metacarpals when in anatomical position. The ankle joint is distal to the knee joint, which is distal to the hip joint. The lumbar spine is located caudal to the thoracic and cervical spine. The lumbar spine is superior or rostral to the sacral spine.

Answers

When in anatomical position, the thumb is lateral to the second, third, fourth, and fifth metacarpals. Distal to the knee joint, which is distal to the hip joint, is the ankle joint. The cervical and thoracic spines are caudal to the lumbar spine. The sacral spine is rostral or superior to the lumbar spine.

The area of the body where two or more bones unite to allow for movement is known as a joint. In general, the wider the range of motion, the greater the danger of damage since the joint's strength is diminished.

A variety of tubular bones between the wrist (carpal) bones are referred to as metacarpals.

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What are the three most important things that you believe should be done to reduce hunger in the World?

Answers

Answer:

Reduce Food WasteDonate to CharityUse climate-smart farming practices

Explanation:

Answer:

Embrace Climate Smart Agriculture. Climate change and hunger exist in a vicious cycleRespond to the refugee crisisAdvocate for gender equalityReduce food waste. ...Invest in disaster risk reductionSupport hygiene and sanitation.Control infestations and crop infections.Enhance crops with biofortification.Explanation:Sustainable Food. Heifer International is an organization that helps transform agriculture. ...Access to Credit. Many organizations are helping people in poor countries to gain access to credit. ...Food Donations. ...Transitioning. ...Urban Farming. ...Access to Education. ...Social Change. ...Government Intervention.

What is the difference between Active Transport and Passive Transport? Thanks!

Answers

Answer: Active transport uses energy while passive energy does not.

Explanation:

Active transport does use energy and passive transport does not

What is the function of the tooth like projections on a clam.

Answers

The tooth-like projections on a clam are called "clam chips" or "clam valves," and they serve multiple functions. Clams are bivalve mollusks that live in marine environments, and they use their valves to close off their bodies and protect themselves from predators and environmental stress.

The clam chips are made up of calcium carbonate, which is a hard and durable material that provides structural support for the clam. They are also covered in a layer of mucus, which helps to protect the clam from dehydration and predators.

In addition to protecting the clam, the clam chips also play a role in the clam's feeding mechanism. When a clam detects food particles in the water, it opens its shell and filters water through its siphons to capture the food. The clam chips help to keep the shell closed and stable during this process, allowing the clam to filter water more efficiently. Finally, the clam chips can also be used by humans as a food source. They are often dried or pickled and used in a variety of culinary dishes.  

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Recessive and dominant alleles
Alike:
Different:

Answers

Answer:

✿´`·.·´`✿When an allele is dominant, the characteristic it is connected to will be expressed in an individual. When an allele is recessive, the characteristic it is connected to is less likely to be expressed. Recessive traits only manifest when both alleles are recessive in an individual.

Do Orcas provide oxygen?

Answers

orcas are a mammal and needs oxygen like humans, they have blowhole on the top of their head which help them breathe.

whenever they need oxygen, they come outside the water and take-up oxygen.

Like humans, they have lungs but is unable to take up oxygen all the time.

The whales can also store up oxygen as they have high content of hemoglobin and utilize it by slowing the metabolic rates and heart rates, while resting.

And they also cannot breathe through their mouth as the trachea is not connected to the whale throats.

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In the early 19th century, rabbits were shipped from Europe to Australia. These non-native rabbits rapidly became invasive due to little competition for food and relatively few predators in the introduced regions. Which of the following explains the effect humans most likely had on the ecosystem by introducing this non-native rabbit species?

Answers

Answer:

decrease in population of the prey and an increase in rabbit population

Explanation:

The prey were constantly being killed and eaten by rabbits so there was a decrease in their population whilst the rabbits had an increase in their population due to there being more food for the to live on and there being less competition.

Why are groups of small cells better than one large cell at moving material in and out?
A) they have a lower surface to volume ratio
B) they have a smaller volume
C) they have more cell structures
D) they have a greater surface to volume ratio

Answers

Groups of small cells better than one large cell at moving material in and out because they have a lower surface to volume ratio. Option D

What is cell?

A cell can be defined as the simplest, basic, structural and functional unit of life. The study of cell is known as cytology.

There are two types of living organisms based on the numbers of cells they have; these are

Unicellular organismsMulticellular organisms

Therefore, groups of small cells better than one large cell at moving material in and out because they have a lower surface to volume ratio.

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