A selectively permeable membrane allows SOME but not ALL materials to cross.
Distinguish among hypertonic hypotonic and isotonic solutions
Hypertonic:Cell has lost all of the solute
Hypotonic: Cell is overfilled and is ready to burst
Isotonic: Cell is at a homeostasis condition
Final answer:
Hypertonic solutions have a higher solute concentration than the cell, leading to water leaving the cell. Hypotonic solutions have a lower solute concentration, causing water to enter the cell. Isotonic solutions have equal solute concentrations, which lead to no net water movement across the cell membrane.
Explanation:
Distinguishing Hypertonic, Hypotonic, and Isotonic Solutions
Cells encounter different environments which can impact their function based on the concentration of solutes outside of them. Three terms-hypertonic, hypotonic, and isotonic-describe the relationship between the external solution's solute concentration and that within the cell's cytoplasm.
Hypertonic solutions have a higher solute concentration compared to the cytoplasm. This causes water to leave the cell, potentially leading to the cell shriveling up.Hypotonic solutions have a lower solute concentration than the cell's cytoplasm. Water will enter the cell, which can result in the cell swelling or even bursting.Isotonic solutions have the same solute concentration as the cell's cytoplasm. In this scenario, there is no net movement of water into or out of the cell although water molecules continue to exchange across the cell membrane.Understanding these osmotic conditions is crucial, especially in healthcare, where intravenous solutions must be isotonic to prevent damage to blood cells.
Which statements about the moon’s phases are true? CHECK ALL THAT APPLY
1-The same side of the moon always faces Earth.
2-The moon shines because it reflects light from Earth.
3-A new moon occurs when the Sun shines on the side of the moon not facing Earth.
4-The waning gibbous and waning crescent occur immediately before the full moon.
5-During the waxing phases of the moon, the side lit by the Sun is not facing Earth.
6-A full moon happens when the Earth is between the Sun and the moon.
Answer:
A C F
There ya go!
Explanation:
The moon's phases explained: same side always faces Earth, new moon occurs when sun shines on opposite side, and during waxing phase the illuminated portion increases.
Explanation:The statements 1, 3, and 5 about the moon’s phases are true.
The same side of the moon always faces Earth. This is because the moon's rotation takes the same amount of time as its orbit around Earth.A new moon occurs when the Sun shines on the side of the moon not facing Earth. This means that we cannot see the moon during a new moon phase.During the waxing phases of the moon, the side lit by the Sun is not facing Earth. Waxing phases occur between new moon and full moon when the illuminated portion of the moon seen from Earth increases.Learn more about Moon's Phases here:https://brainly.com/question/31392459
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(Number 15)Which phase of mitosis during growth and development demonstrates the communication and exchange of genetic information by aligning chromosomes in the middle of the cell?
The correct answer is: 2.metaphase.
Mitosis is a process of cell division and it is separatd into phases.
• Interphase-DNA replication (two identical full sets of chromosomes),
• Prophase-chromosomes composed of two sister chromatids with identical genetic information,
• Metaphase- chromosomes line up along the centre of the cell,
• Anaphase- chromatids are pulled apart by the mitotic spindle (one chromatid to one pole and the other chromatid to the opposite pole),
• Telophase- a full set of chromosomes at each pole of the cell.
What is the function of proteins and carbohydrates that are embedded in a cell membrane?
They direct the reproduction process for the cell.
They act as storage molecules for water.
They help control what enters and leaves the cell.
They provide nutrients that the cell needs.
The answer is They help control what enters and leaves the cell
Answer:
They help control what enters and leaves the cell.
Explanation:
The only thing that can enter or leave through the membrane is water by osmosis.
All other kinds of substances need a facilitator to get in or out, and this is a protein.
Also, what "opens" a channel trough the phospholipids of the membrane are proteins, this is called Integral membrane protein.
Which of the following processes returns carbon from this vast reservoir to the active carbon cycle? ( More than one answer may be right)
A. Burning fossil fuels
B. Sedimentation
C. Photosynthesis
D. Decomposition of dead organisms
The processes that returns carbon from this vast reservoir to the active carbon cycle are burning fossil fuels and decomposition of dead organisms. The correct options are A and D.
What is carbon cycle?The exchange of carbon between the biosphere, pedosphere, geosphere, hydrosphere, and atmosphere of Earth occurs through the carbon cycle, a biogeochemical cycle.
Both biological substances and many minerals, including limestone, mostly consist of carbon.
Rocks and sediments contain the majority of the carbon on Earth. The ocean, the atmosphere, and living things contain the remaining components. These are the reservoirs that carbon cycles through.
Burning fossil fuels and the decomposition of dead organisms are the activities that return carbon from this enormous reserve to the active carbon cycle.
Thus, the correct options are A and D.
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A relatively rapid form of mass movement that is most common and dry mountainous regions is
Mudflow.
Hope this helps!
-Payshence
Answer:
Mudflow
Explanation:
When the debris gets liquified due to the addition of a large amount of water to it which leads to a rapid surging flow of the waste, then it is known as a mudflow. Mudflow's main components are suspended particles and silt which gives it greater viscosity as compared to streamflow. Snowfall, rains, etc. can cause mudflow and therefore, it commonly occurs in mountain slopes.r 4. Nervous 5. Endocrine 6. Cardiovascular 7. Lymphatic 8. Respiratory 9. Digestive 10. Urinary 11. Reproductive Which systems assist in regulating body temperature?
None of the above... Ingumentary system is the one that regulates body temperature. The ingumentary system is skin, hair , sweat glands and nails
what is a disadvantage of using wind energy
Answer:
wind turbines are very expensive to put up and wind is always reliable because it isn't always windy
Explanation:
what are the different kinds of amino acids
Valine, Leucine & Isoleucine
Alanine
Arginine
Glutamine
Lysine
Aspartic acid
Glutamic Acid
Proline
Cysteine
Threonine
Methionine
Histidine
Phenylalanine
Tyrosine
Tryptophan
Asparagine
Glycine
Serine
These are some of the amino acids I found, Valine, Leucine, Isoleucine, Alanine, Arginine, Glutamine, Lysine, Aspartic acid, Glutamic Acid, and Proline.
Vesicles in a sentence
PLEASE HURRY AND ANSWER!!!!!! Explain the difference between an open and closed system. Provide an example of a system that is open and a system that is closed to matter. Explain your examples.
An open system can exchange both matter and energy with the surroundings, like a coffee cup
A closed system has a fixed amount of matter, but it can exchange energy with the surroundings, like a bottle of water.
An isolated system has no contact with its surroundings, like a thermos.
the image below shows a common blood pressure gauge what does this device do?
Answer: Option B
Explanation:
The image attached here shows the blood pressure measuring gauge. The blood pressure is the measured using this device known as sphygmomanometer which has mercury filled in a column upto a certain height.
The pressure by which the blood flows through the heart and inside the body is calculated by the help of this measurement device.
Which type of environmental scientist is most likely to study how whales are affected by pollution? a. Hydrologist b. Toxicologist c. Ecologist d. Oceanographer Please select the best answer from the choices provided A B C D
Correct answer: D). Oceanographer
An oceanographer is a person who studies the marine life. It includes topic like marine life and ecosystem, the geology of the sea floor and plate tectonics, ocean circulation and the physical and chemical property of the ocean.
So, oceanographer is the person who is responsible for the study of the effect of pollution on the whales.
what are the 2 parts of lipids
1.Fats and oils. A fat molecule consists of two kinds of parts: a glycerol backbone and three fatty acid tails
2.Saturated and unsaturated fatty acids
questioned answered by
(jacemorris04)
Lipids are made of two parts fats and oil .
Fats is further consists of glycerol and three fatty acid tails. A organic molecule of glycerol consists of hydroxyl group (OH group) and fatty acid contains long hydrocarbon chain which is linked to a carboxyl group (COOH group). Lipids are non-polar in nature and water insoluble .
The phytoplankton at the bottom of the pyramid take in and store a certain amount of the suns energy. Does all of the energy stored by the phytoplankton reach the top level of the pyramid?
Answer:
Phytoplanktons are single celled organisms found in aquatic ecosystems. They make their own food by capturing sunlight for photosynthesis. Example of some phytoplanktons are diatoms, dinoflagellates and cynobacteria ( blue green algae). Phytoplanktons functions as the primary producers of the aquatic ecosystem. They attain the bottom level in the energy pyramid and store certain amount of suns energy and convert it into food. The energy derive from food is transferred to higher energy levels in the energy pyramid as phytoplanktons are eaten up by many aquatic animals. Therefore, the energy transferred from phytoplankton to higher energy levels gets decreased according to 10% law which says, energy decreases 10% at each higher trophic level. So, all the energy stored by the phytoplankton will not reach the top level of the pyramid.
Answer:
No, because some of the energy is lost to the environment as heat as it is transferred between organisms.
Explanation:
A red blood cell will shrink in size when placed in a more concentrated salt solution because of the passive process called
Answer:
Osmosis
Explanation:
In a highly concentrated salt solution, concentration of water is comparatively lower than the fluid inside red blood cells. This develops a concentration gradient.
Due to this difference in concentration, the water starts flowing out of the red blood cells across its permeable layer. Due to this movement of water, red blood cell shrinks. This physical phenomenon in which a substance move from a region of high concentration to a region with lower concentration across any permeable membrane is called Osmosis.
Which statement about natural selection is true?
Environmental changes drive differential reproduction.
Differential reproduction causes environmental changes.
Environmental changes determine which animals survive.
Overproduction of offspring drives environmental changes.
Environmental changes determines which animals survive.
Select all that apply. Many insects go through different physical changes during growth. These insects include the _____.
Select every option!
Trace the path of a drop of venous blood from the left ankle to the right side of the brain.
Venous blood from the ankle travels and goes through tibial vein, popliteal vein, femoral vein, external iliac vein, common iliac vein, inferior vena cava to the heart (right side). From the heart to the right side of the brain, blood goes through the aorta and the brachiocephalic artery. The brachiocephalic artery the then divides into the right common carotid artery and the right subclavian artery and both supply the right side of the brain.
The path of a drop of venous blood from the left ankle to the right side of the brain is as follows:
Inferior vena cava brings blood from the abdomen and leg area including ankle to heart. Then from heart blood goes through left atrioventricular valve left ventricle aortic semilunar valve, aorta, brachiocephalic trunk, right common carotid artery, right internal carotid artery, circle of willis capillary bed of frontal lobe, transverse sinus, right side of the brain. In this way, venous blood goes from left ankle to the right side of the brain.use the graph what can you conclude about the rate of photosynthesis and respiration in a plant
The most appropriate conclusion that can be drawn about the rate of photosynthesis and respiration in a plant is plants need ATP production for the entire day.
Option (3) is correct.
The graph does not provide explicit information about the rate of photosynthesis or respiration at specific times of the day, such as sunrise or nighttime. Therefore, options (1) and (2) cannot be conclusively supported by the graph alone.
However, the graph does show that both photosynthesis and respiration occur throughout the day. Photosynthesis is the process by which plants convert sunlight, water, and carbon dioxide into glucose and oxygen, and it typically occurs in the presence of sunlight. Respiration, on the other hand, is a metabolic process in which cells break down glucose to produce ATP (adenosine triphosphate), the energy currency of cells.
Since the graph shows consistent levels of both photosynthesis and respiration throughout the day, it suggests that plants need ATP production for the entire day. ATP is required for various cellular processes, including growth, maintenance, and reproduction, so plants continuously produce ATP through respiration to meet their energy demands.
Therefore, option (3) is the most reasonable conclusion based on the information provided by the graph.
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Describe the relationship between chromosomes, messenger RNA, and proteins.
A chromosome is a packaged and organized structure containing most of the DNA of a living organism. Messenger RNA is a large family of RNA molecules that convey genetic information from DNA to the ribosome, where they specify the amino acid sequence of the protein products of gene expression. Proteins are large biomolecules, or macromolecules, consisting of one or more long chains of amino acid residues.
Which food has the least amount of monounsaturated fat?
Answer:
butter
Explanation:
i did it
The following diagram demonstrates the flow of water when a cell is placed in different aqueous solutions. Review the labels at the top of each picture. If a marine plant is placed in a salt water aquarium, predict the flow of water and salt into/out of the plant's cells. A) Both the water and the salt will move into the plant cells. The cells will swell. B) Because the solution is isotonic, there will be no net movement of either water or salt. C) The salt will move into the cells; the water will move out and the plant cells will undergo plasmolysis. D) Because the solution is isotonic, only the salt will move into the plant cells. There will be no net movement of water.
the answer is B for those who need it
Answer:
The answer is B because the solution is isotonic.
Explanation:
The diagram reveals that lipids and proteins are both parts of cell membranes.They have different functions because lipids work to
The function of Lipids is to maintain cell fluidity or flexibility. They also maintain the water balance between the cell and the surrounding environment.
What is lipid?The function of Lipids is to maintain cell fluidity or flexibility. They also maintain the water balance between the cell and the surrounding environment. Cell is defined as the base of life as it is the structural as well as functional unit of life. Cell is made up of pre existing cells and the cell contain various cell organelles such as mitochondria, endoplasmic reticulum, ribosomes, golgi appratus, nucleus, and cytoplasm.
Basically, cell is of two type one in prokaryotic and another one is eukaryotic. The prokaryotic cell is known as pre mature cells as they do not contain cell organelles and eukaryotic cell are known as advanced and developed cells as they contain several cell organelles.
The unicellular animals are made up of single cell and all the functions carried out in a single cell like amoeba and multicellular organisms are made up of multiple cells and there is specific cell for specific functions.
Therefore, The function of Lipids is to maintain cell fluidity or flexibility.
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1) What characteristics increase the likelihood that a nonnative species will become an invasive species?
2) What conditions in an ecosystem are likely to allow a species to become invasive there?
3) Biological control involves the introduction of a natural enemy to control the spread of an organism that is considered a
pest. What are the trade-offs in introducing a nonnative species to control an established invasive species?
1. The non-native species are considered to be invasive only when they cause harm. Some of the features that increase the possibility of a non-native species in becoming an invasive species are they reproduce easily, they are habitat generalist, they out-competes other plant species, possesses the tendency to produce abundant seeds, and are not influenced by the native diseases and pests.
2. If an ecosystem were identical to the local ecosystem of a species, it would possibly be easier for the species to invade. For example, if the species is found in a novel location, which is the identical biome as its local ecosystem, then it is probably more common to turn into an invasive species.
3. The introduction of a non-native species to monitor the invasive species does not always work. However, even if it works, the other native species could also get influenced adversely. If the population of the introduced species enhances too much, it can result in competition for space and food with the native species. The non-native species may also result in the introduction of diseases, which might kill or harm the local species.
Nonnative species with characteristics like rapid reproduction and a lack of predators are more likely to become invasive. Human-disturbed ecosystems are more susceptible to invasions. Biological control carries risks, emphasizing the importance of careful research and risk assessment.
Characteristics that increase the likelihood that a nonnative species will become an invasive species include early reproduction, rapid reproduction, lack of predators in the new environment, ease of dispersion, and the ability to thrive in various ecosystems. When these characteristics are met in ecosystems that have been disturbed by human activity or lack the biological controls of the species' native range, a nonnative species may become invasive.
Biological control involves the intentional introduction of a natural enemy to manage invasive species. The trade-offs include the potential of the biocontrol agent to become invasive itself and cause harm to native species. This underscores the need for thorough research and risk assessment before implementing biological control measures.
Helppppp????????????
the amount of matters refers to the mass
Large bodies of water, such as lakes and oceans do not quickly fluctuate (change) in temperature. What is the reason for this phenomenon? Water is a versatile solvent due to its polarity Water doesn’t change temperature because is an acid. Water moderates temperature due to its high heat capacity Water acts as a buffer for concentration of chemical, which affect temperature.
C; Water moderates temperature due to its high heat capacity.
Large bodies of water, such as lakes and oceans, do not quickly fluctuate in temperature because water has a high heat capacity and requires a large amount of energy to change its temperature. This property of water allows it to stabilize temperatures, resulting in milder climates near large bodies of water.
Explanation:The reason that large bodies of water, such as lakes and oceans, do not quickly fluctuate in temperature is because water has a high heat capacity and requires a large amount of energy to change its temperature. This means that it takes a long time for water to heat up or cool down. For example, water can absorb a tremendous amount of energy with very little resulting temperature change. This property of water allows it to stabilize temperatures, which is why climates closer to large bodies of water are generally milder than landlocked climates.
Which are protists that act like fungi ?
There are plant-like protists (e.g. algae), animal-like protists (e.g. protozoa) and fungi-like protists. Their classification is based on their mode of nutrition, which is extremely diverse. Slime molds and water molds are both included in the kingdom protista and considered fungi-like protists.
There are plant-like protists (e.g. algae), animal-like protists (e.g. protozoa) and fungi-like protists. Their classification is based on their mode of nutrition, which is extremely diverse. Slime molds and water molds are both included in the kingdom protista and considered fungi-like protists
Because cells share similar structure, all cells carry out the same function in living organism true or false
That is false. If all cells had the same function, then we would only be able to do one thing. Because of the diversity of the cells that we have, we are able to carry out many functions such as eating, drinking, moving, growing, blinking, etc. Hope I helped :)
PLEASE ANSWER!!!!!!! What is true about the lagging strand during DNA replication?
A.
It contains Okazaki fragments.
B.
It is synthesized in the 5′ to 3′ direction.
C.
It has the same sequence as the leading strand.
D.
It is synthesized before the leading strand.
Answer:
B. It is synthesized in the 5′ to 3′ direction.
Explanation:
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